Antti Ojala

CURRICULUM VITAE

1. Full name: Ojala, Antti Eero Kalevi

Website at EOS group: https://eosvnu.net/our-experts/antti-ojala/

2. Date and place of birth, nationality, current residence

23.01.1972, Espoo, Finland Finnish
Pihjalamarjantie 8 B, FI-02940, Espoo, Finland

3. Education and degrees awarded

PhD, Department of Geology, University of Turku, Quaternary geology, 23.08.2001 MSc, Department of Geology, University of Turku, Quaternary geology, 27.02.1997
Title of Docent in civil engineering, Tampere University of Technology, 23.5.2013
Title of Docent in environmental geology, Tampere University of Technology, 1.5.2004

4. Linguistic skills

Finnish – mother tongue
English – good
Swedish – average

5. Current position

Senior scientist, Geological Survey of Finland (GTK), since 2003
Lecturer at Tampere University of Technology
Lecturer at University of Helsinki

6. Previous work experience

2012/5-present: Senior scientist – Geological Survey of Finland
2013-2015: Research Director – Department of Geosciences and Geography, University of Helsinki (2-3 months per year)
2011/9-2012/5: Professor – Department of Geosciences and Geography, University of Helsinki
2009-2011/9: Senior scientist – Geological Survey of Finland
2008-2009: Chief scientist – Geological Survey of Finland
2003-2008: Senior scientist – Geological Survey of Finland
2000-2003: Research scientist – Geological Survey of Finland
2000: Visiting Research Fellow – Department of Geoscience, University of Massachusetts
1997-2000: Postgraduate Fellowship – Quaternary Geology, University of Turku
1995-1996: Research associate – Geological Survey of Finland (total 8 months)

7. Research funding as well as leadership and supervision

Recent research grants

2012-2016, QUAL – Quantifying climate variability since Late-glacial in Southern Svalbard. Academy of Finland (grant #259343), (349 k€), ROLE: Principal investigator
2008-2011, CLIM-ECO – Climate variability in NW Europe during the last 4000 years and its ecological consequences. Academy of Finland (grant #121828), (251 k€), ROLE: Principal investigator
2003-2005, NUTRIBA – Nutrients from a large river basin – experimental and modelling approach (Baltic Sea Research Programme, BIREME) Academy of Finland (grant #121828), (30 k€), ROLE: consortium collaborator

Recent and ongoing research activities: (duration, name, funding)

2014-2017, PGSdyn – Appearance and dynamics of post-glacial faults in Finland, Posiva Oy
2015–, Glaciodynamic mapping of Quaternary deposits in Finland, Geological Survey of Finland
2006–, Classification, appearance and engineering-geological properties of clayey deposits in Uusimaa region (Finland), Geological Survey of Finland and cities of Espoo, Helsinki and Vantaa
2015-2017, Concentration gradients and speciation of Fe and S in lake sediments, (leader: D. Hammarlund)
2013-2015, SHORELINES – A database approach to classify and reconstruct ancient shoreline based on LiDAR DEM mapping, Geological Survey of Finland
2011-2015, Deposition and enrichment of As, Mn, Fe, and Al in the Vörå creek and estuary, northern Baltic Sea (leaders: M. Åström and C. Yu)
2011, Sediment stratigraphy and characteristic changes in sedimentary environment in lakes isolated from the Baltic Sea basin in the Olkiluoto area during post-glacial times, Posiva Oy
2007-2010, IPY-CRYO – The Quaternary record of environmental change on the ice-free terrain of Vestfonna glacier, the Academy of Finland (grant #1116509 to Prof. V.-P. Salonen)
2009-2010, Past glaciations in Fennoscandia, Posiva Oy
2003-2010, Arctic Research and Global Change, Geological Survey of Finland
2006, Regional Development of River Basins in the Olkiluoto-Pyhäjärvi Area, SW Finland, 2000 BP – 8000 AP, Posiva Oy
1999-2002, FIGARE – Modelling Past Global Change – Forecasting the Future, the Academy of Finland (grant to Prof. M. Saarnisto)
2001-2005, HOLIVAR – Holocene Climate Variability, European Science Foundation
2003-2004, ORIJÄRVI – The reflection of the Iron Age settlement history in the sediment deposits of Lake Orijärvi, Mikkeli, Finnish Cultural Foundation (leader: T. Alenius)
1999-2002, LAMSCAN – Detecting Rapid Environmental Changes by Studies of Annually Laminated (varved) Lake Sediments in Northern Scandinavia: Linkages to the North Atlantic Ocean Circulation, Nordic Arctic Research Programme (leader: I. Snowball)
1997-2000, VARVES – The Chronology, climatic implications and secular variations in the magnetic field of Finland during the Holocene based on annually laminated sediments, the Academy of Finland (grant to Prof. V.-P. Salonen)
2002-2005, SEAREG – Sea Level Change Affecting the Spatial Development in the Baltic Sea Region, EC Baltic Sea Region INTERREG III B (leader: P. Schmidt-Thome)
2002-2006, Organogenic deposits, Geological Survey of Finland
1999-2003, Carbon in Finnish lake sediments, Geological Survey of Finland
2002, VID PORE, Geological Survey of Finland
2002-2006, KallioINFO, National Technology Agency of Finland (TEKES) (leader: A. Kuivamäki)

8. Merits in teaching and pedagogical competence

Involvement in planning and implementation of courses at universities Lecture series at University of Helsinki

Physical properties and dating of Quaternary sediments (2 gredits), 2004-2007
Quaternary dating methods (2 gredits), since 2008
Limnic sedimentary environments (2 gredits), since 2008
Environmental geology (4 gredits), 2011
Surficial deposit in Finland (4 gredits), 2012 Lecture series at Tampere University of Technology
RAK 22210, Unconsolidated deposits in Finland (5 gredits), since 2012
Climate change and environment, 2011-2015

Student supervision:

Lasse Korkalainen, MSc (2000), Department of Geology, University of Turku, Finland
Emilia Kosonen, MSc (2008), Department of Geology, University of Helsinki, Finland
Kati Laakso, MSc (2008), Department of Geology, University of Helsinki, Finland
Tõnn Tuvikene, MSc (2011), Department of Geography, University of Tartu, Estonia
Tiina Lepistö, MSc (2012), Department of Geology, University of Helsinki, Finland
Ayhan Türkmen, MSc (2014), Department of Geology, University of Helsinki, Finland
Susanne Åberg, MSc (2013), Department of Geology, University of Helsinki, Finland
Annika Åberg, MSc (2013), Department of Geology, University of Helsinki, Finland
Netta Jousi, MSc student (ongoing since 2016), Department of Geosciences and geography, University of Helsinki, Finland
Teija Alenius, PhD (2007), ”Environmental change and anthropogenic impact on lake sediments during the Holocene in the Finnish – Karelian inland area”, Dept. of Geology, University of Helsinki, Finland
Niko Putkinen, PhD (2011), ”History of the Eastern Flank of the Scandinavian Ice Sheet during the Weichselian Cold Stage”, Dept. of Geosciences, University of Oulu, Finland
Maarit Saresma, PhD student (ongoing since 2014), “Classification and appearance of Engineering- Geological Properties of Fine-Grained Deposits in Uusimaa”, Aalto University, Finland
Emilia Kosonen, PhD student (ongoing since 2008), ”Reconstruction of runoff intensity and winter snowfall in southern Finland for the last 4000 years using mineral matter grain-size variability data sets from two varved lakes”, Dept. of geosciences and geography, University of Helsinki, Finland
Mimmi Oksman, PhD student (ongoing since 2012), “Variability of sea surface temperatures and sea ice in Baffin Bay and their influence on the North Atlantic Ocean circulation during the Holocene”, Dept. of geosciences and geography, University of Helsinki, Finland

9. Other academic merits

Opponent and examination committee appointments:

2006, Member of the examination committee on Lena Rubensdotter’s dissertation “Alpine lake sediment archives and catchment geomorphology; causal relationships and implications for paleoenvironment reconstructions” at the Department of Physical Geography, University of Stockholm, Sweden.
2011, Member of the examination committee on Tania Stanton’s dissertation “High temporal resolution reconstructions of Holocene palaeomagnetic directions and intensity: an assessment of geochronology, feature reliability and environmental bias” at the Department Geology, Quaternary Sciences, Lund University, Sweden.
2017, Member of the examination committee on Dominique Maier’s dissertation “Combining limnology and paleolimnology: A refined understanding of environmental sediment signal formation in a varved lake” at the Department of Ecology and Environmental Science, Umeå University, Sweden.

Professional memberships:

Member of the steering committee of the IGBP PAGES – Varves Working Group (2009-2015)
Chairman (2008-2015) and secretary (2003-2007) of the Finnish National Committee of the Quaternary Research (INQUA)
Member of the executive committee of the Geological Society of Finland (2008-2009)
Member of the national IPCC working group (2008-2014) appointed by the Finnish Ministry of the Environment
Member of the national AMAP (Arctic Monitoring and Assessment Programme) working group (2007- 2010)

Editorial appointments:

Member of the Boreas administrative board since 2017
Editor of the Bulletin of the Geological Society of Finland (http://www.geologinenseura.fi/bulletin/)
Guest editor of the Bulletin of the Geological Society of Finland Special issue: Glacial dynamics and landforms in northern Europe: recent advances using LiDAR, 2017, in progress
Guest editor of the GFF Special issue: Unravelling Scandinavian Geomorphology: The LiDAR revolution, vol 137, 2015
Editor of the extended abstracts of the first IGBP PAGES – Varves Working Group, 2010
Guest editor of the Geophysica Special issue: Proceeding of the Finnish National IPY Conference, vol 45, 2009
Editor of the several Special Papers of Geological Survey of Finland
Guest editor of the PAGES Newsletter vol. 11. nro 2-3/2003 (HOLIVAR issue)

Referee activities:

Evaluator of numerous research grant applications for e.g. Research Council of Canada, Deutsche Forschungsgemeinschaft, Schweizerischen Nationalfonds (SNF), RANNIS – Icelandic Research Fund
Reviewer of about 50 papers for international scientific and scholarly journals and book chapters

10. Scientific and societal impact of research

A total number of publications in peer reviewed scientific and scholarly journals: 80
More than 100 oral and/or poster presentation with abstracts in international workshops and conferences since 1998
A number of popularized articles and non-refereed scientific articles since 1997
Design and compilation of the “Ancient shoreline” and the “Post-glacial faults and earthquake- induced landforms” data bases for GTK’s spatial data products services (in 2012-2016)

11. List of Publications

A) Peer-reviewed scientific articles

Alenius, T., Mikkola, E. & Ojala, A.E.K., 2008. History of agriculture in Mikkeli Orijärvi, eastern Finland as reflected by palynological and archaeological data. Vegetation History and Archaeobotany 17, 171-183.
Alenius, T., Haggrén, G., Oinonen, M., Ojala, A.E.K. & Pitkänen, R.-L., 2014. The history of settlement on the coastal mainland in Southern Finland. Palaeoecological, archaeological, and etymological evidence from Lohjansaari Island, Western Uusimaa, Finland. Journal of Archaeological Science 47, 99-112.
Alenius, T., Mönkkönen, T., Holmqvist, E. & Ojala, A.E.K., 2017. Neolithic land use in the Northern Boreal Zone: High- resolution multiproxy analyses from Lake Huhdasjärvi, south-eastern Finland. Vegetation History and Archaeobotany 26, 469–486.
Arppe, L., Kurki, E., Wooller, M.J., Luoto, T., Zajaczkowski, M., Ojala, A.E.K., 2017. A 5500-year oxygen isotope record of high-arctic environmental change from southern Spitsbergen. The Holocene, in press, https://doi.org/10.1177/0959683617715698
Giesecke, T., Bjune, A.E., Chiverrell, R.C., Seppä, H., Ojala, A.E.K. & Birks, H.J.B., 2008. Exploring Holocene continentality changes in Fennoscandia using present and past tree distributions. Quaternary Science Reviews 27, 1296– 1308.
Giesecke, T., Miller, P.A., Sykes, M.T., Ojala, A.E.K., Seppä, H., Bradshaw, R.H.W., 2010. The effect of past changes in inter-annual temperature variability on tree distribution limits. Journal of Biogeography 37, 1349-1405.
Hirvas, H., Lintinen, P., Ojala, A.E.K. & Vanhala, H., 2005. Geological characteristics of the Halti-Ridnitšohkka region, Enontekiö, Finland. Geological Survey of Finland, Special Paper 40, 7-12.
Hutri, K-L., Heinsalu, A., Kotilainen, A. & Ojala, A.E.K., 2007. Dating early Holocene palaeoseismic event(s) in the Gulf of Bothnia, Baltic Sea. Boreas 36, 56-64.
Jenny, J-P., Francus P., Normandeau, A., Lapointe, F., Perga, M-E., Ojala, A.E.K., Schimmelmann, A. & Zolitschka, B., 2016. Anthropogenic pressure causes worldwide spread of hypoxia in lakes. Global Change Biology 22, 1481–1489. Jenny, J-P, Normandeau, A., Francus, P., Taranu, Z.E., Gregory-Eaves, I., Lapointe, F., Jautzy, J., Ojala, A., Dorioz, J.-M.,
Schimmelmann, A. & Zolitschka, B., 2016. Growing urbanization caused the spread of hypoxia in European lakes, not agriculture intensification. PNAS 113, 12655-12660.
Johnson, M., Fredin, O., Ojala, A.E.K. & Peterson, G., 2015. Unraveling Scandinavian geomorphology: The LiDAR revolution. GFF 137, 245-251.
Korkonen, S., Ojala, A.E.K., Weckström, J. & Kosonen, E., 2017. Seasonality of chrysophyte cysts and diatom deposition in varved lake Nautajärvi (Finland) – implications for paleolimnological studies. Journal of Limnology 76, 366–379.
Kotilainen, A., Kankainen, T., Ojala, A.E.K. & Winterhalter B., 2001. Palaeomagnetic dating of a late Holocene sediment core from the Northern Central Baltic Sea. Baltica 14, 67-73.
Kubischta, F., Knutsen, K., Ojala, A.E.K. & Salonen, V-P. 2011. Holocene benthic foraminiferal record from a high-arctic fjord, Nordaustlandet, Svalbard. Geografiska Annaler 93, 227–242.
Luoto, T. & Ojala, A.E.K. 2014. Paleolimnological assessment of ecological integrity and eutrophication history for Lake Tiiläänjärvi (Askola, Finland). Journal of Paleolimnology 51, 455–468.
Luoto, T.P., Oksman, M. & Ojala, A.E.K., 2015. Climate change and bird impact as drivers of High Arctic pond deterioration. Polar Biology 38, 357–368.
Luoto, T.P. & Ojala, A.E.K., 2017. Meteorological validation of chironomids as a paleotemperature proxy using varved lake sediments. The Holocene 27, 870–878.
Luoto, T., Oksman, M. & Ojala, A.E.K., 2016. Exposure to bird excrement determines invertebrate communities in the high arctic ponds of Hornsund (Svalbard, 77 °N). Polish Polar Research 37, 105–119.
Nevalainen, L., Rantala, M., Luoto, T., Rautio, M. & Ojala, A.E.K., 2015. Ultraviolet radiation exposure of a high arctic lake in Svalbard during the Holocene. Boreas 44, 401–412.
Nevalainen, L., Rantala, M.V., Luoto, T., Ojala, A.E.K. & Rautio, M. 2016. Long-term changes in pigmentation of arctic Daphnia provide potential for reconstructing aquatic UV exposure. Quaternary Science Reviews 144, 44–50.
Mäkinen, J., Ojala, A.E.K., 2013. Sedimentation dynamics and metal loading in Lake Pyhäjärvi, Finland. Journal of Paleolimnology 50, 1–13.
Mäkinen, J., Kajuutti, K., Palmu, J.-P., Ojala, A. & Ahokangas, E., 2017. Triangular-shaped Landforms Reveal Subglacial Drainage Routes in SW Finland. Quaternary Science Reviews 164, 37–53.
Ojala, A.E.K., 2004. Application of X-ray radiography and densitometry in varve analysis. In: Francus, P. (ed.) Image Analysis, Sediments and Paleoenvironments’, Developments in Paleoenvironmental Research, Tracking Environmental Change Using Lake Sediments, Springer Dordrecht, pp. 187-202.
Ojala, A.E.K., 2011. Construction suitability and 3D architecture of the fine-grained deposits in southern Finland – examples from Espoo. Geological Survey of Finland, Special Paper 49, 126-136.
Ojala, A.E.K., 2012. The Late Quaternary climate history of the Northern Hemisphere. In: Haapala, I. (ed.), From the Earth’s core to outer space. Springer, pp. 199-218.
Ojala, A.E.K., 2016. Appearance of De Geer moraines in southern and western Finland – implications for reconstructing glacier retreat dynamics. Geomorphology 255, 16–25.
Ojala, A.E.K. & Saarnisto, M., 1999, Comparative varve counting and magnetic properties of the 8400-yr sequence of an annually laminated sediment in Lake Valkiajärvi, Central Finland. Journal of Paleolimnology 22, 335-348.
Ojala, A.E.K., Saarinen, T. & Salonen, V.-P., 2000. Preconditions for the formation of annually laminated lake sediments in southern and central Finland. Boreal Environment Research 5, 243-255.
Ojala, A.E.K. & Francus, P., 2002. X-ray densitometry vs. BSE -image analysis of thin-sections: a comparative study of varved sediments of Lake Nautajärvi, Finland. Boreas 31, 57-64.
Ojala, A.E.K. & Saarinen, T., 2002. Paleosecular variation of the earth’s magnetic field during the last 10,000 yrs based on an annually laminated sediment of Lake Nautajärvi, central Finland. The Holocene 12, 391-400.
Ojala, A.E.K. & Tiljander, M., 2003. Testing the fidelity of sediment chronology: comparison of varve and paleomagnetic results from Holocene lake sediments from central Finland. Quaternary Science Reviews 22, 1787-1803.
Ojala, A.E.K., Heinsalu, A., Saarnisto, M. & Tiljander, M., 2005. Annually laminated sediments date the drainage of the Ancylus Lake and early Holocene shoreline displacement in central Finland. Quaternary International 130, 63-73.
Ojala, A.E.K. & Alenius, T., 2005. 10 000 years of interannual sedimentation recorded in the Lake Nautajärvi (Finland) clastic-organic varves. Palaeogeography, Palaeoclimatology, Palaeoecology 219, 285-302.
Ojala, A.E.K., Valpola, S., Hirvas, H., Lintinen, P., Vanhala, H. & Nenonen, J., 2005. Dating of the Holocene glacier variations in the Halti-Ridnitšohkka region based on distal lacustrine sediment cores. Geological Survey of Finland, Special Paper 40, 23-32.
Ojala, A.E.K., Hirvas, H., Lintinen, P. & Vanhala, H., 2007. Neoglacial activity in Finland: dating the evidence from glaciolacustrine sediment sequences in the Halti-Ridnitsohkka region. The Holocene 17, 79-88.
Ojala, A.E.K. & Palmu, J.-P., 2007. Sedimentological characteristics of Late-Weichselian–Holocene deposits of the Suurpelto area in Espoo, southern Finland. Geological Survey of Finland, Special Paper 46, 147-156.
Ojala, A.E.K., Heinsalu, A., Kauppila, T., Alenius, T. & Saarnisto, M. 2008. Characterizing changes in the sedimentary environment of a varved lake sediment record in southern central Finland around 8000 cal. yr BP. Journal of Quaternary Science 23, 765–775.
Ojala, A.E.K., Alenius, T., Seppä, H. & Giesecke, T. 2008. Integrated varve and pollen-based temperature reconstruction from Finland – evidence for the Holocene seasonal temperature patterns at high latitudes. The Holocene 18, 547– 556.
Ojala, A.E.K., Kubischta, F., Kaakinen, A. & Salonen V.-P., 2011. Characterization of diamictons on the basis of their mineral magnetic properties in Murchisonfjorden, Nordaustlandet, Svalbard. Sedimentary Geology 233, 150–158.
Ojala, A.E.K., Francus, P., Zolitschka, B., Besonen, M. & Lamoureux, S.F., 2012. Characteristics of sedimentary varve chronologies – A review. Quaternary Science Reviews 43, 45–60.
Ojala, A.E.K., Kosonen, E., Weckström, J., Korkonen, S. & Korhola, A., 2013. Seasonal formation of clastic-biogenic varves: the potential for palaeoenvironmental interpretations. GFF 135, 237–247
Ojala, A.E.K., Palmu, J.-P, Åberg, A., Åberg, S. & Virkki, H., 2013. Development of an ancient shoreline database to reconstruct the Litorina Sea maximum extension and the highest shoreline of the Baltic Sea basin in Finland. Bulletin of the Geological Society of Finland 85, 127–144.
Ojala, A.E.K., Bigler, C. & Weckström, J., 2014. Understanding varve formation processes from sediment trapping and limnological monitoring. PAGES Magazine 22, 8–9.
Ojala, A.E.K., Salonen, V.-P., Moskalik, M., Kubischta, F. & Oinonen, M., 2014. Holocene sedimentary environment of a High−Arctic fjordin Nordaustlandet, Svalbard. Polish Polar Research 35, 73–98.
Ojala, A.E.K., Launonen, I., Holmström, L. & Tiljander, M., 2015. Effect of solar forcing and North Atlantic circulation on climate in continental Scandinavia during the Holocene. Quaternary Science Reviews 112, 153–171.
Ojala, A.E.K., Putkinen, N., Palmu, J.-P. & Nenonen, K., 2015. Characterization of De Geer moraines in Finland based on LiDAR DEM mapping. GFF 137, 304-318
Ojala, A.E.K., Arppe, L., Luoto, T., Wacker, L., Kurki, E., Zajaczkowski, M., Pawlowska, J., Damrat, M. & Oksman, M., 2016. Sedimentary environment, lithostratigraphy and dating of sediment sequences from Arctic lakes Revvatnet and Svartvatnet in Hornsund, Svalbard. Polish Polar Research 37, 23–48.
Ojala, A.E.K., Luoto, T.P. & Virtasalo, J.J., 2017. Establishing a high-resolution surface sediment chronology with multiple dating methods – testing 137Cs determination with Nurmijärvi clastic-biogenic varves. Quaternary Geochronology 37, 32–41.
Ojala, A.E.K., Saresma, M., Virtasalo, J.J. & Huotari-Halkosaari, T., 2016. Unconformable base of brackish-water mud aids stratigraphical subdivision of fine-grained sediments and urban planning in southern Finland. Bulletin of Engineering Geology and the Environment, in press, http://dx.doi.org/10.1007/s10064-016-0981-4
Ojala, A.E.K., Mattila, J., Ruskeeniemi, T., Palmu, J.-P., Lindberg, A., Hänninen, P. & Sutinen, R., 2017. Characterization and timing of the Riikonkumpu and Isovaara postglacial faults in northern Finland. Global and Planetary Change 157, 59–72.
Ojala, A.E.K., Mattila, J., Markovaara-Koivisto, M., Ruskeeniemi, T., Palmu, J.-P., Sutinen, R., 2017. Distribution and morphology of landslides in northern Finland – analysis of postglacial seismic activity. Geomorphology, in press https://doi.org/10.1016/j.geomorph.2017.08.045
Oksman, M., Miettinen, A., Ojala, A.E.K. & Salonen, V.-P., Mid- and Late-Holocene paleoceanographic changes in sea surface temperature and sea ice in Isvika Bay, Nordaustlandet, Svalbard. Arktos, in press
Palmu, J.-P., Ojala, A.E.K., Ruskeeniemi, T., Sutinen, R. & Mattila, J., 2015. LiDAR DEM detection and classification of postglacial faults and seismically-induced landforms in Finland: a paleoseismic database. GFF 137, 344–352.
Putkinen, N., Lunkka, JP, Ojala, A.E.K. & Kosonen, E., 2011. Deglaciation chronology of Younger Dryas end moraines in Kalevala region, NW Russia. Quaternary Science Reviews 30, 3812–3822.
Putkinen, N., Eyles, N., Putkinen, S., Ojala, A.E.K., Palmu, J.-P., Sarala, P., Väänänen, T., Räisänen, J., Saarelainen, J., Ahtonen, N., Rönty, H., Kiiskinen, A., Rauhaniemi, T. & Tervo, T., 2017. High-resolution LiDAR mapping of ice stream lobes in Finland. Bulletin of the Geological Society of Finland, in press
Tiljander, M., Ojala, A.E.K., Saarinen, T. & Snowball, I.F., 2002. Documentation of the physical properties of annually laminated (varved) sediments at a sub-annual resolution and their environmental interpretation. Quaternary International 88, 5-12.
Tiljander, M., Saarnisto, M., Ojala, A.E.K. & Saarinen, T., 2003. A 3000-year palaeoenvironmental record from annually laminated sediment of Lake Korttajärvi, central Finland. Boreas 26, 566-577.
Saarnisto, M., Ojala, A.E.K., Alenius, T., Forsström, P.-L., Kauppila, T., Lunkka, J.P., Mäkilä, M., Pajunen, H., Saarinen, T., Sallasmaa, O. & Tiljander, M., 2003. Modelling past global change – forecasting the future. In: Käyhkö, J. & Talve, L. (eds.), Understanding the global system, the Finnish perspective, pp.13-26.
Saarnisto, M. & Ojala, A.E.K., 2009. Varved sediments. Encyclopedia of Paleoclimatology and Ancient Environments, Encyclopaedia of Earth Sciences Series, Kluwer Academic Publisher.
Schimmelmann, A., Lange, C.B., Schieber, J., Francus, P., Ojala, A.E.K. & Zolitschka, Varves in marine sediments: A review. Earth-Science Reviews 159, 215–246.
Seppä, H., Birks, H.J.B., Giesecke, T., Hammarlund, D., Alenius, T., Antonsson, K., Bjune, A.E., Heikkilä, M., MacDonald, G.M., Ojala, A.E.K., Telford, R.J. & Veski, S. 2007. Spatial structure of the 8200 cal yr BP event in northern Europe. Climate of the Past 3, 225-236.
Seppä, H., Alenius, T., Muukkonen, P., Giesecke, T., Miller, P.A. & Ojala, A.E.K., 2009. Calibrated pollen accumulation rates as a basis for quantitative tree biomass reconstructions. The Holocene 19, 209–220.
Snowball, I., Zillén, L., Ojala, A., Saarinen, T. & Sandgren, P., 2007. FENNOSTACK and FENNORPIS : varve dated Holocene palaeomagnetic secular variation and relative palaeointensity stacks for Fennoscandia. Earth and Planetary Science Letters 255, 106-116.
Valpola, S. & Ojala, A.E.K., 2006. Post-glacial lake sedimentation rate and sediment focusing in the NUTRIBA lake chain in the River Kokemäenjoki watercourse. Boreal Environment Research 11, 195-211.
Vanhala, H., Suppala, I., Lintinen, P., Hirvas, H. & Ojala, A.E.K., 2005. Application of electrical and electromagnetic methods in studying frozen ground and bedrock – results from Ridnitšohkka, Northern Finland. Geological Survey of Finland, Special Paper 40, 13-22.
Vanhala, H., Lintinen, P. & Ojala, A.E.K., 2009. Electrical resistivity study of permafrost on Ridnitšohkka fell in northwest Lapland, Finland. Geophysica 45, 103-118.
Veski, S. Seppä, H. & Ojala, A.E.K., 2004. Cold event at 8200 yr B.P. recorded in annually laminated lake sediments in eastern Europe. Geology 32, 681-684.
Virtasalo, J., Kotilainen, A., Räsänen, M. & Ojala, A.E.K., 2007. Late-glacial and post-glacial deposition in a large, low relief, epicontinental basin: the northern Baltic Sea. Sedimentology 54, 1323–1344.
Yu, C., Virtasalo, J.J., Torbjörn, K., Peltola, P., Österholm, P., Burton,E.D., Hogmalm, J.K., Ojala, A.E.K. & Åström, M.E., 2015. Iron behavior in a northern estuary: large pools of non-sulfidized Fe(II) associated with organic matter. Chemical Geology 413, 73-85.
Yu, C., Peltola, P., Nystrand, M.I., Virtasalo, J., Österholm, P., Ojala, A.E.K., Hogmalm, J.K. & Åström, M.E., 2016. Arsenic removal from contaminated brackish sea water by sorption onto Al hydroxides and Fe phases mobilized by land-use. Science of the Total Environment 542, 923–934.
Yu, C., Virtasalo, J., Österholm, P., Burton, E.D., Peltola, P., Ojala, A.E.K., Hogmalm, J.K. & Åström, M.E., 2016. Manganese accumulation and solid-phase speciation in a 3.5 m thick mud sequence from the estuary of an acidic and Mn-rich creek, northern Baltic Sea. Chemical Geology 437, 56–66.
Zolitschka, B., Francus, P., Ojala, A.E.K. & Schimmelmann, A., 2015. Varves in lake sediments – a review. Quaternary Science Reviews 117, 1-41.

B) Non-refereed scientific articles

Alenius, T. & Ojala, A.E.K., 2003. Varved lake sediment properties on Lake Nautajärvi, Central Finland in relation to forest fires and land-use. ESF-HOLIVAR WORKSHOP “Holocene dating, chronologies, and age modelling” 24th-27th April 2003, Utrecht, abstracts.
Alenius, T., Ojala, A. & Tiljander, M., 2004. Paleomagnetic dating of pollen stratigraphy from lake sediment based on PSV master curve from central Finland. In: 34th International Symposium on Archaeometry, 3-7 May 2004, Zaragoza, (Spain): program and abstracts, University of Zaragoza, p. 37.
Arppe, L., Kurki, E., Wooller, M.J., Luoto, T., Zajaczkowski, M., Ojala, A.E.K., 2017. Chironomid oxygen isotope record of mid- to late Holocene climate evolution from southern Spitsbergen. The EGU General Assembly, 23–28.4.2017, Vienna, Austria.
Francus, P. & Ojala, A. 2000: X-ray densitometry vs. image analysis of thin sections: a compared study of varved sediments of Lake Nautajärvi, Finland. 8^th International Symposium on Palaeolimnology, 20 Aug.-24 Aug. 2000, Kingston, Canada, abstract volume, p. 28-29.
Francus, P., Jenny, J-P., Normendeau, A., Lapointe, F., Perga, M.-E., Ojala, A.E.K., Schimmelmann, A., Zolitschka, B., 2015. Francus Anthropogenic pressure causes worldwide spread of hypoxia in lakes. XIX INQUA Congress, Nagoya, Japan, 27 Jul – 2 Aug 2015, Abstract volume.
Francus, P., Schimmelmann, A., Lange, C., Schieber, J., Ojala, A.E.K. & Zolitschka, B. 2016. Global Compilation of Marine Varve Records. 32nd IAS Meeting of Sedimentology International Association, Marrakech, Morocco, 23-25 May 2016.
Francus, P., Jenny, J-P, Normandeau, A., Taranu, Z.E., Gregory-Eaves, I., Lapointe, F., Jautzy, J., Ojala, A.E.K., Dorioz, Perga, M-E., J.-M., Schimmelmann, A. & Zolitschka, B., 2017. Timing and causes of the spread of lacustrine hypoxia revealed by varved sediments. 5th PAGES Open Science Meeting, 9-13.5.2017, Zaragoza, Spain.
Hang, T., Ojala, A., Kohv, M. & Tuvikene, T., 2011. Varve chronology and proglacial sedimentary environment in Pärnu area western Estonia. Beribaltic meeting, June 12-17, 2011, Rovaniemi, Finland.
Hang, T Ojala, A. & Kohv, M., 2014. A quantitative varve sequence cross-correlation and magnetostratigraphy from two clay varve basins in western Estonia. Paleolimnology Of Northern Eurasia – International Conference, 21.09 – 25.09.2014, Petrozavodsk, Russia.
Hirvas, H., Lintinen, P., Ojala, A. & Vanhala, H. 2005. Haltin-Ridnitsohkkan alueen geologiset erityispiirteet. Pohjoisten alueiden kvartääritutkimuksen seminaari, Kilpisjärven biol. asema13-15.1.2005, p. 10-14.
Huotari, T., Suppala, I., Vanhala, H., Valjus, T., Ojala, A. & Palmu, J-P., 2007. Geofysikaaliset tutkimukset Suurpellon rakennusalueella Espoossa. In: Sovelletun geofysiikan XVI neuvottelupäivät, 7.-8.11.2007, Oulu : abstraktikokoelma. Vuorimiesyhdistys. Sarja B 87. Oulu: Vuorimiesyhdistys, p. 33-35.
Huotari, T. K. T.; Airo, M.-L.; Ojala, A. E. K. 2008. Geophysics in densely populated urban areas – two cases from Finland [Electronic resource]. In: Near Surface 2008 : 14th European Meeting of Environmental and Engineering Geophysics, 15-17 September 2008, Kraków, Poland : extended abstracts & exhibitors’ catalogue. Houten: EAGE. 5 p. Optical disc (CD-ROM).
Hyttinen, O., Kaakinen, A., Ojala, A.E.K. & Salonen, V.-P. 2010. Sedimentary record of Baltic Ice Lake /Yoldia Sea transition in southern Finland. Abstract, 29th Nordic Geological Winter Meeting January 11-13, 2010, Oslo, Norway. Hämäläinen, J., Virtasalo, J. & Ojala, A.E.K., 2014 Shear strength measurements of the sediments of the Archipelago Sea: a field study. In: Virtasalo, J. & Tuusjärvi, M. (eds). The 1st Colloquium of Geosciences 2014, 19.-20.3.2014, GTK, Espoo, Finland. Geologian tutkimuskeskus, Opas 58, p. 18
Jenny, J-P., Francus, P., Normendeau, A., Lapointe, F., Perga, M.E., Ojala, A.E.K., Schimmelmann, A., Zolitschka, B., 2015. Paleolimnological evidence of global spread of hypoxia in freshwaters caused by local anthropogenic pressures. EGU General Assembly, Vienna, Austria, 12 – 17 April 2015, Geophysical Research Abstracts, Vol. 17, EGU2015-PREVIEW.
Jenny, J-P. Francus, P., Lapointe, F., Ojala, A., Schimmelmann, A., Zolitschka, B., Normandeau, A., 2016. Annual resolution chronologies applied to global eutrophication issue. 1st DANTE workshop Dating the ANThropocene in Environmental archives. 19-21.10.2106, Tolouse, France.
Jokinen, S.A., Virtasalo, J.J., Saarinen, T., Ojala, A.E.K., Paturi, P. & Hänninen, J., 2016. Long-term trends in coastal hypoxia in the Archipelago Sea of Finland – is it a natural phenomenon? 32nd Nordic Geological Winter Meeting, Helsinki, Finland, 13-15 January 2016. Bulletin of the Geological Society of Finland, Special volume, pp. 178.
Jokinen, S.A., Virtasalo, J.J., Saarinen, T., Ojala, A.E.K., Jilbert, T., Paturi, P., Hänninen, J. & Ekholm, P. 2016. A 1000-year record of the development of coastal hypoxia from the Archipelago Sea. Colloquium on Baltic Sea Marine Geology, Gdansk, Poland, 12-16 September 2016.
Kosonen, E. & Ojala, A.E.K., 2009. Testing µ-XRF elemental profile analysis on varved lake sediments from Lake Nautajärvi in central Finland. Geologian tutkijapäivät 4.-6.3.2009, Geologian laitos, Helsingin yliopisto
Kosonen, E., Ojala, A. E. K. & Francus, P. 2009. Testing µ-XRF elemental profile analysis on epoxy-embedded varved lake sediments from Lake Nautajärvi in central Finland. In: 11th International Paleolimnology Symposium, December 14- 18, 2009, Guadalajara, Jalisco, México : programme and abstracts volume, 87.
Kosonen, E. & Ojala, A.E.K., 2009. Paleosecular variation and deglaciation events in Eastern Finland during the Late Glacial time. INQUA, Beribaltic meeting, June 12-17, 2011, Rovaniemi, Finland.
Kosonen, E., Ojala, A.E.K., Francus, P. & Kihlman, S., 2011. The Chemical Signal of Clastic-biogenic Varves during the Last 2000 Years from Lake Nautajärvi (Southern Finland). AGU meeting, December 16-22, 2011, San Francisco, USA. Kosonen, E., Ojala, A.E.K. & Alenius, T., 2011. Recent changes in sedimentation pattern in the Lake Nautajärvi (Finland) varved section. INQUA meeting, August 20-27, 2011, Bern, Switzerland.
Kosonen, E., Ojala, A.E.K. & Francus, P., 2015. Chemical and physical properties and changes in deposition pattern in a small boreal lake with varved section during the last 150 years. XIX INQUA Congress, Nagoya, Japan, 27 Jul – 2 Aug 2015, Abstract volume.
Kotilainen, A., Ojala, A., Saarinen, T. & Winterhalter, B., 1997. Paleomagnetic results from the northern Baltic Sea. BASYS- Baltic Sea System Study – First annual science conference, 29.09.-01.10.1997, Warnemünde, Germany, proceedings.
Kubischta, F., Kaakinen, A., Ojala, A.E.K., Knudsen, K.L. & Salonen, V.-P. 2010. The Late Quaternary evolution of Murchisonfjorden, Nordaustlandet. Abstract, Svalbard. 29th Nordic Geological Winter Meeting January 11-13, 2010, Oslo, Norway.
Kuivamäki, A., Lampio, E., Jarva, J., Wennerström, M., Airo, M-L., Valjus, T., Ojala, A., Tarvainen, T., Säävuori, H., Pajunen, M., Elminen, T. & Grönholm, S. 2006. A new Internet based information system GeoTIETO for land use planning in the Helsinki capital region. The 27^th Nordic Geological Winter Meeting, 9-12.1.2006, Oulu. Bulleting of the Geological Society of Finland, Special issue I, p. 77.
Launonen, I., Ojala, A.E.K. & Holmström, L., 2014. Evidence for effects of solar forcing and North Atlantic circulation on the climate of continental Scandinavia during the Holocene. AGU Fall Meeting, 15-19.12.2014, San Francisco, USA.
Lindfors, A., Huitu, E., Huttula, T., Mäkelä, S., Ojala, A., Ojala, A.E.K., 2004. Quantifying the real nutrient retention in a boreal lake. QUANTIFYING In: SIL 2004, abstracts volume.
Lintinen, P., Ojala, A.E.K., Vanhala, H., Palmu, J-P., Ikävalko, O. & 2008. Combining geophysical, sedimentological and geotechnical information in order to characterize construction site at fine-grained deposits. 33^rd International Geological Congress, 6-14.8.2008, Oslo, Abstract volume.
Luoto, T.P., Kultti, S., Salonen, V.-P., Ojala, A.E.K. & Virkanen, J., 2010. In progress: Holocene palaeoenvironments inferred from three High Arctic lakes, Nordaustlandet, Svalbard – a contribution to IPY Kinnvika. Abstract, 29th Nordic Geological Winter Meeting January 11-13, 2010, Oslo, Norway.
Luoto, T.P., Oksman, M. & Ojala, A.E.K., 2014. Paleolimnological assessement of reference conditions and biological integreti using benthic animals: a case study from Lake Tiiläänjärvi (Askola, Finland). 12th International Paleolimnology Symposium, 21.08 – 24.08.2012, Glasgow, Scotland.
Luoto, T.P., Oksman, M. & Ojala, A.E.K., 2014. Long-term changes in aquatic invertebrate communities in a bird- impacted high arctic pond superimposed on climate change. THAW2014, Quebecin, Canada.
Luoto, T.P., Oksman, M. & Ojala, A.E.K., 2014. Long-term changes in aquatic invertebrate communities in a bird- impacted high arctic pond superimposed on climate change. Subfossil Cladocera Congress 2014, Tallinn, Estonia.
Luoto, T.P., Oksman, M. & Ojala, A.E.K., 2014. Long-term changes in aquatic invertebrate communities in a bird- impacted high Arctic pond. In: Virtasalo, J. & Tuusjärvi, M. (eds). The 1st Colloquium of Geosciences 2014, 19.-.20.3.2014, GTK, Espoo, Finland. Geologian tutkimuskeskus, Opas 58, p. 18 p. 52.
Luoto, T.P, Arppe, L., Brooks, S.J., Damrat, M., Kurki, E., Oksman, M., Wooller, M., Zajączkowski, M. & Ojala, A.E.K., 2015. Multiproxy paleolimnological record of Holocene climate trends in High Arctic Svalbard. XIX INQUA Congress, Nagoya, Japan, 27 Jul – 2 Aug 2015, Abstract volume.
Mattila, J., Aaltonen, I., Ojala, A.E.K., Palmu, J.-P., Käpyaho, A., Lindberg, A., Ruskeeniemi, T., Hänninen, P., Sutinen, R. & Savunen, J., 2016. Structural geology of the Naamivitikko and Riikonkumpu postglacial fault scarps in Finnish
Lapland. 32nd Nordic Geological Winter Meeting, Helsinki, Finland, 13-15 January 2016. Bulletin of the Geological Society of Finland, Special volume, pp. 312.
Mattila, J., Ojala, A., Sutinen, R., Palmu, J.-P. & Ruskeeniemi, T., 2016. Digging deeper with LiDAR: vertical slip profiles of post-glacial faults. LITHOSPHERE 2016 Symposium, November 9-11, 2016, Espoo, Finland.
Ojala, A., 1998. Thin-sectioning to study the annual nature of the Lake Alimmainen Savijärvi varved sediment. In: Wilson, R. (ed.). Nordiske Geologiske Vintermøde, Århus 13-16 January 1998. abstract volume. Århus: University of Aarhus, p. 223.
Ojala, A., 2001. A 10 000 yrs record of detrital minerogenic matter input into Lake Nautajärvi, Finland, as investigated by relative X-ray densities in varved sediments. PAGES-PEPIII, An International Conference on Past Climate Variability Through Europe and Africa, 27-31 August 2001, Aix-en-Provence, France, Abstracts volume, p. 125.

Ojala, A., 2001. Line-scan digital image analysis of X-ray radiographs in determining accumulation rates of seasonal components of clastic-organic varves in Lake Nautajärvi, Central Finland. IMAGES: Image Analysis: technical advances in extracting quantitative data for paleoclimate reconstruction from marine and lacustrine sequences, 8- 10 November 2001, Amherst, Massachusetts, U.S.A., abstracts.
Ojala, A.E.K., 2002. Climate reconstruction from Finnish laminated lake sediments: “Palaeohydrological changes in central southern Finland detected through a 10,000 yrs long record of clastic-organic varves in Lake Nautajärvi”. ESF- HOLIVAR workshop “Combining climate proxies”, Lammi Biological Station, Finland, April 17-20th 2002, discussion papers volume, Geological Survey of Finland, p. 87-91
Ojala, A.E.K., 2017. LiDAR revolution in geoscience [LiDAR mullistus geotieteissä]. Abstrakti Suomen Geologisen Seuran esitelmään 2.2.2017, Helsingissä.
Ojala, A. & Saarnisto, M., 1997. Comparative varve counting and magnetic properties of annually laminated sediment from Lake Valkiajärvi, central Finland . 7^th International Symposium on Palaeolimnology, 28 Aug.-2 Sept. 1997, Heiligkreuztal, Riedlingen, Germany, abstract volume. Würzburger Geographische Manuskripte Heft 41, p. 155-156. Ojala, A.E.K., Tiljander, M. & Saarinen, T., 2000. High-resolution physical properties of annually laminated lake sediments. 8^th International Symposium on Palaeolimnology, 20 Aug.-24 Aug. 2000, Kingston, Canada, abstract volume, p. 68.
Ojala, A.E.K., Alenius, T., Heinsalu, A. & Saarnisto, M., 2003. Abrupt environmental oscillation during the “8.2 ka cooling event” documented with varved sediment record in southern central Finland. 9^th International Symposium on Palaeolimnology, 24 Aug.-28 Aug. 2003, Espoo, Finland, p. 159.
Ojala A.E.K. & Alenius, T., 2003. Climate and environmental reconstructions from Nautajärvi clastic-biogenic varves in central southern Finland. The XVI INQUA Congress, July 23 – 30, 2003, Reno Hilton Resort & Conference Center Reno, Nevada USA, p. 151.
Ojala, AEK., Valpola, S., Hirvas, H., Lintinen, P., Vanhala, H. & Nenonen, J., 2005. Manner- ja vuoristojäätiköiden liikkeiden ajoittaminen sedimenttitutkimuksien perusteella Haltin ja Ridnicohkkan alueella viimeisimmän jääkauden sulamisvaiheessa ja sen jälkeen. Pohjoisten alueiden kvartääritutkimuksen seminaari, Kilpisjärven biologinen asema13-15.1.2005, p. 35-43.
Ojala A.E.K., Alenius, T. & Seppä, H., 2005. Integration of the clastic-organic varve record from Finland with a pollen- based climate reconstruction for solving the Holocene seasonal temperature patterns in the high latitudes. PAGES Open Science meeting in Beijing, 10-12.8.2005, PAGES, p. 33.
Ojala, A.E.K. & Valpola S.E. 2005. Post-glacial lake sedimentation rate and focusing in the NUTRIBA lake chain in the Kokemäenjoki watercourse. BIREME Annual meeting, 9-11.2.2005, Helsinki. abstract.
Ojala, A.E.K., Vanhala, H., Palmu, J-P., Ikävalko, O. & Lintinen, P., 2006. Combining geophysical, sedimentological and geotechnical information to characterize geological history of Suurpelto construction site in Espoo, southern Finland. In: 5th European Congress on Regional Geoscientific Cartography and Information Systems : earth and water, Barcelona, Catalonia, Spain, June 13th – 16th 2006 : proceedings. Barcelona: Institut Cartogràfic de Catalunya : Institut Geològic de Catalunya, p. 579-581.
Ojala, A.E.K. & Tanska, H., 2006. Suurpelto – Syntyjä syviä. Geotekniikan päivä 23.11.2006, Helsinki. Publications of Finnish Geotechnical Society, p. 79-84.
Ojala, A.E.K., Hirvas, H., Lintinen, P. & Vanhala, H., 2006. Neoglacial activity and the occurrence of permanent snow in the Halti-Ridnitšohkka area in NW Finland. The 27^th Nordic Geological Winter Meeting, 9-12.1.2006, Oulu. Bulleting of the Geological Society of Finland, Special issue I, p. 114.
Ojala, A.E.K., Virkki, H., Palmu, J-P., Hokkanen, K. & Kaija, J., 2007. Regional development of river basins in the Olkiluoto- Pyhäjärvi area, SW Finland. In: XVII INQUA Congress : The tropics : heat engine of the Quaternary, Cairns 2007. Quaternary International supplement 167-168, p. 309-310.
Ojala, A.E.K. & Palmu, J-P., 2007. Deposits of the Baltic Sea stages in the Suurpelto construction site in Espoo, Southern Finland. Abstracts of the INQUA Peribaltic Group Field Symposium 2006, Oulanka biological research station, September 11.-15. Espoo: Geological Survey of Finland, p. 31.
Ojala, A. E. K.; Hirvas, H.; Lintinen, P.; Vanhala, H. 2008. Characteristics and age of Kovdajohka valley terminal moraines. In: Congress of the International Polar Year 2007/08 : IPY 07/08 celebration of Finnish geoscientific studies in Polar areas, November 12-13, 2008, GTK, Espoo, Finland : program and abstracts. Espoo: Geological Survey of Finland, 33. Ojala, A.E.K., Kubischta, F., Kaakinen, A. & Salonen, V.-P. 2009. Mineral Magnetic Analyses of the Diamictons in Murchisonfjorden, Nordaustlandet, Svalbard. Geologian tutkijapäivät 4.-6.3.2009, Geologian laitos, Helsinginyliopisto
Ojala, A.E.K. Sedimenttinäytteenotto ja –ottimet – geologisten ”pehmeiden” arkistojen tutkimusmenetelmiä. 12.2.2009, Ympäristönäytteenottajien päivät AEL
Ojala, A.E.K. 2009. Palaeo- and mineral magnetic applications in studies of Quaternary sediments in North Europe. 14.5.2009, Polish Academy of Sciences, Poland
Ojala, A.E.K. 2009. Mineral magnetic measurements and marine sediment cores at Nordaustlandet, Svalbard. 10.8.2009, Kinnvika expedition.
Ojala A.E.K., Kosonen, E. & Kihlman, S., 2010. Studies of Lake Nautajärvi varved sediment record – chronology and environmental interpretations. PAGES VWG, 1^nd meeting, April 7-9, 2010, Palmse, Estonia.
Ojala, A.E.K., Francus, P., Zolitschka, B., Behl, R., Besonen, M. & Lamoureux, S., 2011. The fidelity of sediment varve chronologies – a review. PAGES VWG, 2^nd meeting, March 16-20, 2011, Corpus Christi, USA.
Ojala A.E.K., Kosonen, E., Wecsktröm, J., Korkonen, S., 2013. Monitoring the formation of clastic-biogenic varves to improve the quality of paleoclimate reconstructions. AGU meeting, San Francisco, USA, 2013.
Ojala, A.E.K., Palmu, J.-P., 2013. Using LiDAR DEM to in validating and interpreting ancient shorelines in Finland. Colloquium of Geosciences 2013, University of Helsinki, Finland.
Ojala, A.E.K., Palmu, J.-P., 2014. Using LiDAR DEM to in validating and interpreting ancient shorelines in Finland. 31nd Nordic Geological Winter Meeting, Lund, Sweden, 2014.
Ojala, A.E.K., Launonen, I., Holmström, L. & Tiljander, M., 2015. A signature of North Atlantic oscillation and solar forcing cycles on clastic-biogenic varve formation in continental Scandinavia during the Holocene. XIX INQUA Congress, Nagoya, Japan, 27 Jul – 2 Aug 2015, Abstract volume.
Ojala, A.E.K., Launonen, I., Holmström, L. & Tiljander, M., 2015. Periodic characteristics of 10,000-year-long clastic- biogenic varve records from Lakes Nautajärvi and Korttajärvi in continental Scandinavia during the Holocene. The International Conference Climate variability and human impacts in Central and Eastern Europe during the last two millennia, Gdańsk, Poland, June 17th – 19th 2015, University of Gdańsk, Abstract volume, p. 74.
Ojala, A.E.K., Palmu, J.-P., Putkinen, N. & Nenonen, K., 2016. Occurrence of De Geer moraines in Finland based on LiDAR DEM. 32nd Nordic Geological Winter Meeting, Helsinki, Finland, 13-15 January 2016. Bulletin of the Geological Society of Finland, Special volume, pp. 311.
Ojala, A.E.K., Palmu, J.-P., Savunen, J., Käpyaho, A., Lindberg, A., Mattila, J., Ruskeeniemi, T., Hänninen, P. & Sutinen, R., 2016. Characterization of Riikonkumpu fault scarp in Kittilä. 32nd Nordic Geological Winter Meeting, Helsinki, Finland, 13-15 January 2016. Bulletin of the Geological Society of Finland, Special volume, pp. 315.
Ojala, A.E.K., Mattila, J., Markovaara-Koivisto, M., Ruskeeniemi, T., Palmu, J.-P., Sutinen, R., 2017. Distribution and characteristics of landslides in Northern Finland – relevance to neotectonic interpretations. 3rd Finnish National Colloquium of Geosciences, 15-16.3.2017, Espoo, Finland. Geologian tutkimuskeskus, Opas 63, p. 69.
Oksman, M., Miettinen, A., Ojala, A.E.K. & Salonen, V.-P., 2014. Mid- and late-Holocene paleoceanographic changes in sea surface temperature and sea ice in Isvika Bay, Nordaustlandet, Svalbard. In: Virtasalo, J. & Tuusjärvi, M. (eds). The 1st Colloquium of Geosciences 2014, GTK, Espoo, Finland. Geologian tutkimuskeskus, Opas 58, p. 59-60.
Palmu, J.-P., Ojala, A.E.K., Ikävalko, O. & Vanhala, H. 2005. 3D MODELLING OF CONSTRUCTION SUITABILITY IN ESPOO,
FINLAND. Extended abstract, IAEG papers.
Palmu, J.-P., Ojala, A.E.K., Ikävalko, O. & Vanhala, H. 2006. 3D modelling of construction suitability in Espoo, Finland [Electronic resource]. In: IAEG2006 : engineering geology for tomorrow’s cities : the 10th IAEG International Congress, Nottingham, United Kingdom, 6-10 September 2006 : pre-congress proceedings. London: The Geological Society of London. 9 p. Optical disc (CD-ROM).
Palmu, J.-P., Ojala, A.E.K., 2013. LiDAR DEM use in Quaternary deposits mapping. Colloquium of Geosciences 2013, University of Helsinki, Finland.
Palmu, J.-P., Ojala, A.E.K., Ruskeeniemi, T., Mattila, J. & Sutinen, R., 2016. Appearance of PGFs in Finland – case Lauhavuori. 32nd Nordic Geological Winter Meeting, Helsinki, Finland, 13-15 January 2016. Bulletin of the Geological Society of Finland, Special volume, 315-316.
Putkinen, S., Putkinen, N., Sarala, P., Palmu, J.-P., Ojala, A.E.K. & Ahtonen, N., 2016. Map database of superficial deposits and glaciodynamic features in Finland − methodology and classifications. 32nd Nordic Geological Winter Meeting, Helsinki, Finland, 13-15 January 2016. Bulletin of the Geological Society of Finland, Special volume, pp. 310.
Putkinen, N., Putkinen, S., Palmu, J.-P., Ojala, A.E.K., Sarala, P., Ahtonen, N., 2017. A new map database of glacial geomorphological landforms in Finland − methodology and classifications. GAC conference, May 2017, Toronto, Canada.
Putkinen, N., Putkinen, S., Palmu, J.-P., Ojala, A.E.K., Sarala, P., Ahtonen, N., 2017. A new glacial geomorphological landforms map database of Finland. INQUA Beribaltic Group, Field conference “From past to present – Late Pleistocene, last deglaciation and modern glaciers in the center of northern Fennoscandia”. August 20-25th, 2017. Finland – Sweden – Norway, abstracts voulume.
Rantala, M., Luoto, T.P., Ojala, A.E.K., Pienitz, R., Rautio, M. & Nevalainen, L., 2014. Holocene carbon fluctuations in a high arctic lake In: Virtasalo, J. & Tuusjärvi, M. (eds). The 1st Colloquium of Geosciences 2014, GTK, Espoo, Finland. Geologian tutkimuskeskus, Opas 58, p. 72-73.
Rask, M., Arvola, L., Bärlund, I., Huitu, E., Huttula, T., Kankaala, P., Kiirikki, M., Mäkelä, S., Münster, U., Ojala, A.E.K., Ojala, A., Oravainen, R., Rankinen, K., Bilaledtin, Ä., & Tulonen, T., 2004. NUTRIENTS FROM RIVER BASINS – Experimental and modelling approach (NUTRIBA). Annual meeting 2004, p. 32.
Ruskeeniemi, T., Aaltonen, I., Käpyaho, A., Lindberg, A., Mattila, J., Ojala, A., Palmu, J.-P. & Sutinen, R., 2015. A new approach to screen and investigate postglacial faults in Finland. NAWG workshop, Olkiluoto, Finland, June 9th-11th 2015, abstracts volume.
Ruskeeniemi, T., Aaltonen, I., Lindberg, A., Mattila, J., Nordbäck, N., Ojala, A., Palmu, J-P. and Sutinen, R., 2017. Investigation of postglacial faults in Finland – An update. NAWG 15th workshop, Prague, Czech, May 23th-25th 2017, abstracts volume.
Saarinen, T., Tiljander, M., Ojala, A.E.K. & Saarnisto, M., 2001. Rapid environment changes recorded by four annually laminated lakes in Finland during the last 2,000 years. Terra Nostra 2001/3, 6^th ELDP Workshop, Potsdam, p. 178- 180.
Saarinen, T., Ojala, A.E.K., Tiljander, M. & Saarnisto, M., 2001. Wintertime variability in Central and Eastern Finland recorded by annually laminated lake sediments during the last 2000 years. Climate Change Symposium, 6 June-8 June 2001, Turku, Finland, Programme and Abstracts, p. 94-95.
Saarinen, T. Ojala, A.E.K., Tiljander, M. & Saarnisto, M., 2001. Palaeohydrological changes in Finland based on X-ray density variation of annually laminated (varved) lake sediments during the last two millennia. PAGES-PEPIII, An International Conference on Past Climate Variability Through Europe and Africa, 27-31 August 2001, Aix-en- Provence, France, Abstracts volume, p. 136.
Saarinen, T. J., Tiljander, M., Ojala, A.E.K. & Saarnisto, M., 2001. Rapid environmental changes recorded by four annually laminated lakes in Finland during the last 2,000 years. Terra Nostra, 6th ELDP Workshop in Potsdam (Germany), 11- 16 May 2001, High-resolution lake sediment records in climate and environment variability studies. Terra Nostra 2001/3: p. 178-180.
Saarinen, T., Ojala, A., Tiljander, M. & Saarnisto, M., 2002. Climate reconstruction from Finnish clastic/biogenic laminated sediments – the last two millennia. Discussion paper. First ESF-Holivar workshop, Programme & Discussion papers, Geological Survey of Finland, p. 102-105.
Salonen V-P., Eskola, K.O., Kaakinen, A., Kubischta, F., Kultti, S., Laakso, K., Luoto, T., Moskalik, M., Oinonen, M.J. & Ojala, A.E.K. 2010. Late Quaternary fluctuations of glacial environments around Murchisonfjorden, Nordaustlandet, Svalbard – a contribution to IPY Kinnvika. Abstract, 29th Nordic Geological Winter Meeting January 11-13, 2010, Oslo, Norway
Salonen V-P., Kubischta, F., Ojala, A.E.K. & Moskalik, M., 2010. Late Quaternary glaciomarine sedimentation in an Arctic archipelago, Isvika, Nordaustlandet, Svalbard. Mendoza, 2010.
Saresma, M., Kähkölä, N., Ojala, A.E.K. & Palmu, J.-P., 2015. Distribution of the fine-grained sediments in Helsinki metropolitan area, Finland. 32nd Nordic Geological Winter Meeting, Helsinki, Finland, 13-15 January 2016. Bulletin of the Geological Society of Finland, Special volume, pp. 316.
Schimmelmann, A., Lange, C., Schieber, J., Francus, P., Ojala, A.E.K. & Zolitschka, B. 2016. Global Compilation of Marine Varve Records. Ocean Sciences Meeting in New Orleans, 21-26 February 2016.
Schimmelmann, A., Lange, C., Schieber, J., Francus, P., Ojala, A.E.K. & Zolitschka, B. 2016. Global Compilation of Marine Varve Records. 34th International Geological Congress, Cape Town, South Africa, 27 August-3 September, 2016.
Schimmelmann, A., Lange, C., Schieber, J., Francus, P., Ojala, A.E.K. & Zolitschka, B. 2016. Global Compilation of Marine Varve Records. Geophysical Research Abstracts, Vol. 19, EGU2017-22-1, 2017, EGU General Assembly 2017.
Schimmelmann, A., Lange, C.B., Francus, P., Schieber, J., Ojala, A.E.K, Zolitschka, B. 2017. Global compilation of marine varve records. Pacific Climate (PACLIM) Workshop, 5-8 March, Asilomar Conference Grounds, Pacific Grove, California, USA.
Snowball, I. & NE-ELDP members (List of of NE-ELDP contributors 1997-2001: Berglund, B., Odgaard, B., Ojala, A., Petterson, G., Paus, A., Renberg, I., Rosqvist, G., Saarinen, T., Sandgren, P., Snowball, I., Tiljander, M., Wastergård, S., Wolwarth, B., Zillen, L.) 2001. Summary of the ELDP working group ”Northern Europe” (NE-ELDP). Terra Nostra 2001/3: p. 20-25.
Tiljander, M. Ojala, A.E.K., Saarinen, T. & Saarnisto, M., 2002. Suhteellisen röntgentiheyden perusteella näkyvät ympäristömuutokset neljässä suomalaisessa lustojärvessä viimeisen 2000 vuoden aikana. In: Korkka-Niemi, K. (ed.) Geologian tutkijapäivät 13.-14.3.2002 Helsinki : ohjelma, tiivistelmät, osallistujat. Helsinki: Geologian valtakunnallinen tutkijakoulu, p. 40.
Valpola, S.E. & Ojala, A.E.K., 2005. Recent sedimentation pattern in the NUTRIBA lake chain in the Kokemäenjoki water course. BIREME Annual meeting, 9-11.2.2005, Helsinki, Abstract. p. 34.
Vanhala, H., Lintinen, P., Hirvas, H., Ojala, A. & Suppala, I. 2005. Sähköisten ja sähkömagneettisten menetelmien soveltuvuudesta jäätyneen maa- ja kallioperän tutkimuksiin – Tuloksia Ridnitcohkkan tutkimuksista 2004. Pohjoisten alueiden kvartääritutkimuksen seminaari, Kilpisjärven biologinen asema13-15.1.2005, p. 59-66.
Vanhala,H., Suppala, I., Lintinen, P., Ojala, A. & Hirvas, H., 2005. Ikiroutaa Suomessa – sähköisten ja sähkömagneettisten mittausten tuloksia Ridnitsohkka-tunturilta. In: Sovelletun geofysiikan XV neuvottelupäivät, Kuopio, 9.11.- 10.11.2005 : abstraktikokoelma. Vuorimiesyhdistys. Sarja B 84. Helsinki: Vuorimiesyhdistys, 4 p.
Vanhala, H.; Lintinen, P.; Ojala, A. E. K.; Hirvas, H.; Suppala, I. 2008. Geophysical characteristics of sporadic and discontinuous permafrost at Halti-Ridnitsohkka area in northern Finland. In: Congress of the International Polar Year 2007/08 : IPY 07/08 celebration of Finnish geoscientific studies in Polar areas, November 12-13, 2008, GTK, Espoo, Finland : program and abstracts. Espoo: Geological Survey of Finland, 54.
Virtasalo, J.J., Bitinas, A., Buynevich, I., Hyttinen, O., Ojala, A.E.K. and Kotilainen, A.T., 2016. Unconformities aid the stratigraphic division of strata in a formerly glaciated semi-enclosed basin: the Baltic Sea prototype. 34th International Geological Congress, Cape Town, South Africa, 27 August-3 September, 2016.
Vähäkuopus, T., Kauppila,T., Mäkinen, J.E., Ojala, A.E.K. and Valpola, S.E. 2016. Using lake sediments in estimating possible environmental impacts of peat production: case studies from Finland. 15th International Peat Congress (IPC), Kuching, Sarawak, Malaysia, 15-19 August, 2016.
Vähäkuopus, T., Kauppila, T., Mäkinen, J.E., Ojala, A.E.K. and Valpola, S.E, 2017. Using lake sediments in estimating possible environmental impacts of peat production: case studies from Finland. IPS Convention 2017, 28.-31.5.2017, Aberdeen, Skotland.
Zolitschka, B., Francus, P., Ojala, A., Schimmelmann, A. & Telepski, C., 2014. A new tool for studying annually laminated sediments – the online Varve Image Library. IAS Sedimentological Congress 2014, Geneva, Switzerland.
Zolitschka, B., Francus, P., Ojala, A., Schimmelmann, A. & Telepski, C., 2015. The online “Varve Image Portal”: Improving the study of annually laminated sediments. XIX INQUA Congress, Nagoya, Japan, 27 Jul – 2 Aug 2015, Abstract volume.
Zolitschka, B., Francus, P., Ojala, A., Schimmelmann, A. & Telepski, C., 2015. Improving the study of annually laminated sediments – A new online tool. The International Conference Climate variability and human impacts in Central and Eastern Europe during the last two millennia, Gdańsk, Poland, June 17th – 19th 2015, Abstract volume.
Zolitschka, B., Francus, P., Ojala, A.E.K. & Schimmelmann, A. 2015. Varved sediments and their paleoclimateic significance. The International Conference Climate variability and human impacts in Central and Eastern Europe during the last two millennia, Gdańsk, Poland, June 17th – 19th 2015, Abstract volume.
Zolitschka, B. Francus, P., Ojala, A.E.K. & Schimmelmann, A. 2016. Varved sediments and their environmental and climatic significance. The 34th National and the 2nd International Geosciences Congress, Cape Town, South Africa, 27 August-3 September, 2016.

C) Scientific books (monographs)

Leppäranta, M. & Ojala, A.E.K., (eds.), 2009. Geophysica, Special issue: Proceedings of the Finnish National IPY Conference, 45, 223 pp.
Ojala, A.E.K. (ed.), 2002. The First ESF-HOLIVAR workshop “Combining climate proxies”, Lammi Biological Station, Finland, April 17-20th 2002, discussion papers volume, 116 pp.
Ojala, A.E.K. (ed.), 2003. PAGES Newsletter dedicated to ESF-HOLIVAR activities. PAGES Newsletter vol.11 nro.2-3, 36 pp.
Ojala, A.E.K. (ed.), 2005. Pohjoisten alueiden kvartääritutkimuksen seminaari, Abstraktikokoelma. Kilpisjärven biologinen asema, 13-15.1.2005, 68 pp.
Ojala, A.E.K. (ed.), 2005. Quaternary studies in the northern and Arctic regions of Finland. Geological Survey of Finland, Special Paper 40, 130 pp. http://arkisto.gsf.fi/sp/SP40.pdf
Ojala, A.E.K. (ed.), 2007. Jääkausiajan muuttuva ilmasto ja ympäristö. Geological Survey of Finland, Guide 52, 43 pp. [in Finnish] (translated title: Changing climate and environment during the glacial-interglacial cycles) http://arkisto.gsf.fi/op/op52.pdf
Ojala, A.E.K. (ed.), 2008. Congress of the International polar Year 2007/08: IPY 07/08 celebration of Finnish geoscientific studies in Polar areas. November 12-13, 2008, GTK, Espoo, Finland, Program and Abstracts, 59 pp.
Sorvari, S., Salonen. V.-P., Korhola, A. & Ojala, A.E.K. (eds.), 2003. 9^th International Paleolimnology Symposium, Abstract volume, 24-28.8.2003, Espoo, Finland, 216 pp.

D) Publications intended for professional communities

Alenius, T., Saarnisto, M., Ojala, A. & Lavento, M., 2005. Repoveden kansallispuiston alueen sedimenttikerrostumat luonnon- ja maankäytön historian arkistona. Geological Survey of Finland, Open file Report P22.4.109, 22 pp. [in Finnish] (Translated title: Land-use history of the Repovesi National park area based on lake sediment deposit) http://arkisto.gtk.fi/p22/P22_4_109.pdf
Itkonen, A. & Ojala, A. 1997. Tietoa luonnon muutoksista tuhansien vuosien takaa. Aurora 5, 4-8. [in Finnish]
Ojala, A., 1999.Tuhannet vuodet yksitellen esillä järven pohjasedimentissä. Geocenter tiedottaa 1-2: 12-13. [in Finnish] (Translated title: Lake sediments in the study of past changes)
Ojala, A.E.K., 2004. Maakairausaineistot ja niiden käsittely. In: Kuivamäki, A. (ed.), KallioINFO-informaatiojärjestelmän kehittäminen yhdyskuntasuunnittelua ja kalliorakentamista varten. Vaihe 1:KallioINFO-käyttöliittymän prototyypin ja 1:20 000 rakennettavuusmallin luonnoksen valmistaminen. Loppuraportti. KallioINFO-projekti. Vaihe I 1. 1. 2003- 30-9-2004. Geological Survey of Finland, Open file Report K 21.42/2004/3, 68 pp. [in Finnish] (Translated title: Developing KallioINFO-informatiosystem for land-use planning and construction)
Ojala, A.E.K., 2005. Pohjoisten alueiden Kvartääritutkimusta. Geologi, 57: 51-52. [in Finnish]
Ojala, A.E.K., 2006. Maakairausaineistot ja niiden käsittely. In: Kuivamäki, A. (ed.), GeoTIETO-informaatiojärjestelmän kehittäminen yhdyskunta- ja ympäristösuunnittelua sekä rakentamista varten. Vaihe II: Geo TIETO-käyttöliittymän ja 1:20 000 rekennettavuusmallien viimeistely sekä 1:50 000 rakennettavuusmallien kehittäminen. Geological Survey of Finland, Open file Report K 21.42/2006/2, 166 pp. [in Finnish] (Translated title: GeoTIETO information system: II phase)
Ojala, A.E.K., 2007. Sulfidisaven esiintymisen tutkimus Vantaalla: Hiekkaharju. Geological Survey of Finland, Open file Report P22.4/2007/5, 9 pp. [in Finnish] (Translated title: Appearance of sulphide clay in the Hiekkaharju Vantaa) http://arkisto.gtk.fi/p22/P22_4_2007_5.pdf
Ojala, A.E.K., 2007. Espoon Äijänpellon savikon stratigrafia ja geokemialliset piirteet. Geological Survey of Finland, Open file Report P22.4/2007/26, 10 pp. [in Finnish] (Translated title: Sequence stratigraphy and geochemical characteristics of Äijänpelto site in Espoo) http://arkisto.gsf.fi/p22/P22.4_2007_26.pdf
Ojala, A.E.K., 2007. Järvilustot jääkauden jälkeisen ajanjakson kronologian ja nopeiden ilmastonmuutosten kuvastajina.
In: Ojala, A.E.K. (ed.), Jääkausiajan muuttuva ilmasto ja ympäristö. Geological Survey of Finland, Guide 52, 29-38.
Ojala, A.E.K., 2016. Järvien globaali happikato on seurausta ihmisen toiminnasta. Verkkoartikkeli, http://www.co2- raportti.fi/?heading=J%C3%A4rvien-globaali-happikato-on-seurausta-ihmisen- toiminnasta&page=ilmastouutisia&news_id=4614
Ojala, A.E.K. & Saarinen, T., 2002. Digitaalinen kuva-analyysi sedimentologisena tutkimusmenetelmänä – esimerkkejä lustosedimenteistä. Geologi 54, 35-39. [in Finnish] (Translated title: Digital image analysis as a sedimentological research tool)
Ojala, A.E.K., Saarnisto, M. & Snowball, I.F., 2003. Climate and environmental reconstructions from varved lake sediments, with special reference to clastic-biogenic varved sequences in Finland and Sweden. PAGES Newsletter vol.11 nro.2-3, pp. 10-12.
Ojala, A.E.K., Tiljander, M. & Alenius, T., 2003. Sedimenttien paleomagneettinen ajoittaminen: esimerkkinä Mikkelin Orijärven Rautakautisen asuinpaikan siitepölystratigrafinen tutkimus. Geologi 55, 241-245. [in Finnish] (Translated title: Palaeomagnetic dating of sediments: an example from the iron-age camp site in Lake Orijärvi, Mikkeli)
Ojala, A.E.K. & Valpola, S.E., 2005. Pitkänajan sedimentaatio NUTRIBA järviketjussa – geologisella tutkimuksella perustietoa vesistöjenhoidon käyttöön. Geologi 57, 144-147. [in Finnish] (Translated title: Long-term sedimentation pattern in the NUTRIBA lake chain)
Ojala, A.E.K. & Pajunen, H. 2003. Sedimenttien paleomagneettinen ajoitus Suomen järvisedimenttien hiilivarastoa selvittävässä hankkeessa. Geological Survey of Finland, Open file Report Q29.1/2003/1, 18 pp. [in Finnish] (Translated title: Paleomagnetic dating of the sediment sequences included in the carbon in Finnish lake sediments project) http://arkisto.gtk.fi/q29/Q29.1_2003_1.pdf
Ojala, A.E.K., Virkki, H., Palmu, J-P., Hokkanen, K. & Kaija, J., 2006. Regional development of river basins in the Olkiluoto- Pyhäjärvi area, SW Finland, 2000 BP – 8000 AP. Tiivistelmä: Olkiluodon Pyhäjärven alueen valuma-alueiden alueellinen kehittyminen 2000 BP – 8000 AP. Posiva, Working report 2006-113. Olkiluoto: Posiva, 97 pp. http://www.posiva.fi/publications/WR2006-113web.pdf
Ojala A.E.K., Ikävalko, O., Palmu, J-P., Vanhala, H., Valjus, T., Suppala, I., Salminen, R., Lintinen, P. & Huotari, T., 2007. Espoon Suurpellon alueen maaperän ominaispiirteet. Geological Survey of Finland, Open file Report P22.4/2007/39, 51 pp. [in Finnish] (Translated title: Characteristics of Quaternary deposits at the Suurpeto construction site) http://arkisto.gsf.fi/p22/p22_4_2007_39.pdf
Ojala, A.E.K., Palmu, J.-P, Åberg, A., Åberg, S. & Virkki, H., 2013. Muinaisrantojen tietokanta – esimerkkejä tietoaineiston hyödyntämisestä. Geologi 65, 164-173.
Ojala, A.E.K., Arppe, L., Heikkilä, M., Korhola, A., Kosonen, E., Luoto, T., Middleton, M., Nevalainen, L., Rantala, M., Ruppel, M.M., Salonen, J.S., Seppä, H., Sutinen, R. & Väliranta, M., 2015. XIX INQUA 2015, Nagoya, Japani. Geologi 102-106.
Ruskeeniemi, T., Aaltonen, I., Käpyaho, A., Lindberg, A., Mattila, J., Ojala A., Palmu, J.-P. & Sutinen, R., 2016. A new approach to screening and investigating postglacial faults in Finland. Geological Survey of Finland, Guide 61, 60-63.
Zolitschka, B., Francus, P. Ojala, A.E.K., Schimmelmann, A. & Telepski, C., 2015. The online Varve Image Portal: A new tool for studying annually laminated sediments. PAGES Magazine 23, p. 35.

E) Publications intended for the general public, linked to the applicant’s research

Ojala, A.E.K., 2005. Iän määritys – luonnon arkistojen ajoitusmenetelmät. In: Suomen luontotieto. Helsinki: Weilin+Göös, 242-243. [in Finnish] (translated title: Age determination – the use of nature archives as a basis of dating)
Ojala, A.E.K., 2007. Järvilustot jääkauden jälkeisen ajanjakson kronologian ja nopeiden ilmastonmuutosten kuvastajina. In: Ojala, A.E.K. (ed.), Jääkausiajan muuttuva ilmasto ja ympäristö. Geological Survey of Finland, Guide 52, 29-37. [in Finnish] (translated title: Lake varves reflect post-glacial chronology and changing climate)
Johansson, P., Kortelainen, V., Kutvonen, H., Nenonen, J., Ojala, A. & Räisänen, J., 2006. Ylläs-Levi: geological outdoor map and guidebook. Rovaniemi: Geological Survey of Finland. 47 pp.
Johansson, P., Ojala, A., Räisänen, J. & Räsänen, J., 2007. Pyhä-Luosto: geological outdoor map and guidebook. Rovaniemi: Geological Survey of Finland, 47 pp.

G) Theses

Ojala, A.E.K., 2001. Varved lake sediments in southern and central Finland: long varve chronologies as a basis for Holocene paleoenvironmental reconstructions. PhD thesis, Geological Survey of Finland, Miscellaneous Publications, 41 pp. http://arkisto.gsf.fi/ej/ej41.pdf
Ojala, A.E.K., 1997. Ruoveden Valkiajärven vuosikerrallinen sedimentti ja sen magneettiset ominaisuudet. MSc thesis, University of Turku, Department of Geology, 98 pp. [in Finnish] (translated title: Magnetic properties of the Lake Valikijärvi varved sediment, Ruovesi)

EOS Geoscience Research Group at Vietnam National University, Hanoi