Search Results - "Ojala, K A"

Characterization of De Geer moraines in Finland based on LiDAR DEM mapping by Ojala, A. E. K., Putkinen, N., Palmu, J. P., Nenonen, K.

“…The three-dimensional characteristics and interdistances of De Geer moraine ridges were measured at different localities in southern and western Finland. We…”
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Sedimentation dynamics and metal loading in Lake Pyhäjärvi, Finland by Mäkinen, J, Ojala, A. E. K

“…Post-isolation (9,600 year BP) sedimentology in Lake Pyhäjärvi, Finland, was studied using sub-bottom echo-sounding and sediment coring. The sediment sequence…”
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Spatial structure of the 8200 cal yr BP event in northern Europe by 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.

“…A synthesis of well-dated high-resolution pollen records suggests a spatial structure in the 8200 cal yr BP event in northern Europe. The temperate,…”
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Characteristics of sedimentary varve chronologies – A review by Ojala, A.E.K., Francus, P., Zolitschka, B., Besonen, M., Lamoureux, S.F.

“…We constructed a varve data base (VDB) to study the worldwide distribution of varved sediment records and the fidelity of their varve chronologies. Clusters of…”
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Effects of solar forcing and North Atlantic oscillation on the climate of continental Scandinavia during the Holocene by Ojala, A.E.K., Launonen, I., Holmström, L., Tiljander, M.

“…10,000-year-long varved sediment records from lakes Nautajärvi and Korttajärvi, Finland provide evidence of climate and environment oscillations at…”
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O2-4.5 Prevention of gestational diabetes mellitus and newborn's high birthweight by lifestyle counselling –a cluster-randomised controlled trial by Luoto, R, Kinnunen, T, Aittasalo, M, Kolu, P, Raitanen, J, Ojala, K A, Mansikkamäki, K, Lamberg, S, Vasankari, T, Komulainen, T, Tulokas, S

“…IntroductionTo examine, whether gestational diabetes mellitus (GDM) or newborns' high birthweight can be prevented by lifestyle counselling.MethodsA…”
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Exploring Holocene continentality changes in Fennoscandia using present and past tree distributions by Giesecke, T., Bjune, A.E., Chiverrell, R.C., Seppä, H., Ojala, A.E.K., Birks, H.J.B.

“…With global warming, the distribution of warmth through the year is likely to change in the future and comparable changes may have occurred over the course of…”
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Deglaciation history and age estimate of the Younger Dryas end moraines in the Kalevala region, NW Russia by Putkinen, Niko, Lunkka, J.P., Ojala, A.E.K., Kosonen, E.

“…Three lake basins were cored in the Kalevala area, northwestern Russia in order to determine the Weichselian deglaciation history of the eastern flank of the…”
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Characterization of diamictons on the basis of their mineral magnetic properties in Murchisonfjorden, Nordaustlandet, Svalbard by Ojala, A.E.K., Kubischta, F., Kaakinen, A., Salonen, V.-P.

“…Different grain-size fractions of 12 lithologically defined and 2 non-defined Weichselian glacial stage diamicton units from Nordaustlandet, Svalbard were…”
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Upper-flow regime bedforms in a subglacial triangular-shaped landform (murtoo), Late Pleistocene, SW Finland: Implications for flow dynamics and sediment transport in (semi-)distributed subglacial meltwater drainage systems by Hovikoski, J., Mäkinen, J., Winsemann, J., Soini, S., Kajuutti, K., Hepburn, A., Ojala, A.E.K.

“…We know less about subglacial meltwater flow properties in distributed inefficient and semi-efficient systems in comparison to those of ice marginal eskers and…”
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Evidence of multiple slip events on postglacial faults in northern Fennoscandia by Mattila, J., Ojala, A.E.K., Ruskeeniemi, T., Palmu, J.-P., Aaltonen, I., Käpyaho, A., Lindberg, A., Sutinen, R.

“…An analysis of high-resolution LiDAR-based digital elevation models (DEMs), trenching of Quaternary deposits, diamond drilling and a structural analysis of the…”
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Ice-sheet scale distribution and morphometry of triangular-shaped hummocks (murtoos): a subglacial landform produced during rapid retreat of the Scandinavian Ice Sheet by Ojala, Antti E. K., Peterson, Gustaf, Mäkinen, Joni, Johnson, Mark D., Kajuutti, Kari, Palmu, Jukka-Pekka, Ahokangas, Elina, Öhrling, Christian

“…High-resolution digital elevation models of Finland and Sweden based on LiDAR (Light Detection and Ranging) reveal subglacial landforms in great detail. We…”
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Iron behavior in a northern estuary: Large pools of non-sulfidized Fe(II) associated with organic matter by Yu, Changxun, Virtasalo, Joonas J., Karlsson, Torbjörn, Peltola, Pasi, Österholm, Peter, Burton, Edward D., Arppe, Laura, Hogmalm, Johan K., Ojala, Antti E.K., Åström, Mats E.

“…The estuaries of the Northern Baltic Sea (Gulf of Bothnia) receive an abundance of diagenetically reactive catchment-derived Fe, which is to a large degree…”
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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 by Yu, Changxun, Virtasalo, Joonas J., Österholm, Peter, Burton, Edward D., Peltola, Pasi, Ojala, Antti E.K., Hogmalm, Johan K., Åström, Mats E.

“…In sediments, manganese (Mn) is typically enriched in the form of authigenic Mn hydroxides at the water-sediment interface where intensive redox cycling of Mn…”
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Earthquake-induced deformation structures in glacial sediments—evidence on fault reactivation and instability at the Vaalajärvi fault in northern Fennoscandia by Ojala, A.E.K., Mattila, J., Middleton, M., Ruskeeniemi, T., Palmu, J.-P., Nordbäck, N., Kirsch, M., Lorenz, S., Zimmermann, R., Andreani, L., Jackisch, R., Unger, G., Gloaguen, R., Sutinen, R.

“…Late and postglacial reverse faults and seismically-induced landslides are characteristic features of deglaciated terrain in the northern Fennoscandia. The…”
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Arsenic removal from contaminated brackish sea water by sorption onto Al hydroxides and Fe phases mobilized by land-use by Yu, Changxun, Peltola, Pasi, Nystrand, Miriam I., Virtasalo, Joonas J., Österholm, Peter, Ojala, Antti E.K., Hogmalm, Johan K., Åström, Mats E.

“…This study examines the spatial and temporal distribution patterns of arsenic (As) in solid and aqueous materials along the mixing zone of an estuary, located…”
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Seasonality of chrysophyte cyst and diatom assemblages in varved Lake Nautajärvi – implications for palaeolimnological studies by Korkonen, Sanna T., Ojala, Antti E.K., Kosonen, Emilia, Weckström, Jan

“…Phytoplankton species composition is strongly affected by seasons, which should be taken into account in palaeolimnological studies. Although chrysophyte cysts…”
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Annually laminated sediments date the drainage of the Ancylus Lake and early Holocene shoreline displacement in central Finland by Ojala, A.E.K., Heinsalu, A., Saarnisto, M., Tiljander, M.

“…Three independent varve (annually laminated) chronologies, verified by paleomagnetic dating, were used in the present biostratigraphical study to investigate…”
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ROLE OF HEPATIC L-ALPHA-GLYCEROPHOSPHATE AND TRIGLYCERIDE SYNTHESIS IN PRODUCTION OF FATTY LIVER BY ETHANOL by NIKKILAE, E A, OJALA, K

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