Climate impact on the carbon emission and export from Siberian inland waters
This interdisciplinary project links expertise in aquatic biogeochemistry, hydrology and permafrost dynamics. SIWA aims to better understand the role of high latitude inland waters in the carbon cycle and how this varies across different climate zones. The project produced comparative studies of lake-stream networks across climate and permafrost gradients in western Siberia. The main objective was to quantify to what extent terrestrial carbon export is emitted to the atmosphere versus exported downstream in river networks along the gradients, and how these fluxes are related to differences in hydrological dynamics.
SIWA producted the first quantification of carbon emissions from Siberian lakes and rivers along gradients in climate and permafrostshowing overall high atmospheric emissions and high emission:export ratios.
Different patterns of carbon fluxes were identified in different water bodies:riverine carbon emissions increase but lake carbon emissions decrease with warmer climate and thawing of permafrost.
I am Jan Karlsson (Professor) and my research focuses on impacts of climate change on the biogeochemistry and ecology of high latitude aquatic ecosystems. The role of inlands waters in Siberia is of particular interest to me because of the high density of inland waters, large permafrost carbon stocks and ongoing and predicted strong climate change.
Umeå University, Sweden - project lead and coordination - is responsible for assessment of CO2 and CH4 emission from lakes and streams, and for providing new techniques for this work. It links C emission in the inland waters to the specific properties along the climate and permafrost gradient. Tomsk University, Russia, links the C dynamics observed to climate and permafrost dynamics. Swedish University of Agricultural Sciences, Sweden, is responsible for estimating the fluvial C export and the availability of this C in the aquatic network. University Toulouse, France, organizes the field campaigns, including sub-contracting local staff and arranging for transport and accommodation. It will be involved in estimating C emission from lakes and streams and lateral C export. University of Aberdeen, UK, is responsible for tracer studies to assess hydrological transit times and flow path ways of water and to link this to observed dynamics in permafrost and to carbon fluxes in running waters.
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Joint Call for Transnational Collaborative Research Projects
This JPI Climate Joint Call for Transnational Collaborative Research Projects provided support for top-quality research projects on topics that are of high societal relevance in Europe and globally, recognising that such challenges require joint efforts through multinational approaches. JPI Climate is seeking proposals from consortia consisting of partners from the participating European countries as well as others. Consortia brought together different scientific disciplines to address the issues within the scope of the described call topics. The projects displayed clear links to decision-makers and users of climate knowledge as well as potential change agents in society.
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