Tuija Vähäkuopus

Geological Survey of Finland | GTK · Environmental Solutions

Human land‐use activities, especially in the peatlands, are under consideration as the mitigation and lowering of CO2 emissions from land‐use practices is needed to address climate change. In Finland, approximately one third of the land surface is covered by peatlands, and around 50% of peatlands are ditched for forestry. Another 3% of peatlands a...

In the boreal zone, surface waters mostly receive external organic matter (OM) from surrounding peatlands. The lake’s biological communities may respond to changes in OM inputs caused by anthropogenic activities in the catchment. Testate amoebae (TA) possess an outer shell that preserves well in lake sediments and are commonly used in paleo-enviro...

The Geological Survey of Finland (GTK) has investigated ca. 2.2 million hectares of peatlands throughout Finland and from selected peatlands, a set of physical properties and chemical component analyses has been made. Over 18 000 sets of analyses collected from over 9 000 different peatland areas has been stored in the GTK analysis database. Physic...

Since the early 2010's, the impact of environmental loading of peat production in lakes and waterways has been widely discussed in Finland. The scarcity of scientific evidence related to influx of allochthonous carbon and the rate of sedimentation in lakes and rivers affected by peat production activities has been a problem and partially prevented...

Korre A., Delprat-Jannaud F., Piessens K., Welkenhuysen K., Falus G., Vähäkuopus T., Nordbäck N., Poulsen N., Wickström L., Dudu A., Vincent C. J., Car M., Wójcicki A., Arts R., Hladik V., Molinero R., Martinez R., Komatina S., Akervoll I., Brüstle A. K., Götzl G., Brikmane B., Hatzignatiou D., State-ofthe- art of directives and regulatory regimes...

Carbon dioxide Capture and Storage (CCS) is a technology that could contribute significantly to reduced CO2 emissions to the atmosphere. By capturing carbon dioxide emitted from industrial processes, compressing it and injecting the CO2 into underground geological reservoirs of porous rock for permanent storage, it provides a bridging solution to m...

In Ostrobothnia, particularly high sulphur concentrations are found in the municipality of Kruunupyy. The sulphur concentrations are remarkably high compared to the concentrations in the whole country; five of all 722 samples have the sulphur concentration of over 10% and 134 over 0.5%. The highest mean sulphur concentration is found in the peat of...

Developments in CCS, EU's climate and energy policy as well as the directive of geological storage of CO • 2 has increased interests in CCS also in Finland Rapid ongoing capture technology development may provide technological opportunities for Finland • Because of the nature of the Finnish bedrock and Quaternary deposits, no suitable sedimentary-o...