Frozen ponds
نویسنده
چکیده
Frozen ponds: production and storage of methane during the Arctic winter in a lowland tundra landscape in northern Siberia, Lena River Delta M. Langer, S. Westermann, K. M. Walter Anthony, K. Wischnewski, and J. Boike Alfred-Wegener-Institut Helmholtz-Zentrum für Polarund Meeresforschung, Periglacial Research Section, Potsdam, Germany University of Oslo, Department of Geography, Oslo, Norway Center for Permafrost (CENPERM), Department of Geosciences and Natural Resource Management, University of Copenhagen, Copenhagen, Denmark University of Alaska Fairbanks, Water and Environmental Research Center, Fairbanks, USA
منابع مشابه
Frozen ponds: production and storage of methane during the Arctic winter in a lowland tundra landscape in northern Siberia, Lena River delta
Lakes and ponds play a key role in the carbon cycle of permafrost ecosystems, where they are considered to be hotspots of carbon dioxide CO2 and methane CH4 emission. The strength of these emissions is, however, controlled by a variety of physical and biogeochemical processes whose responses to a warming climate are complex and only poorly understood. Small waterbodies have been attracting an i...
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The effects of freeze-thaw, freezing and sediment geochemistry on terminal anaerobic processes occurring in sediments taken from below cyanobacterial mats in meltwater ponds of the McMurdo Ice Shelf in Antarctica were investigated. Depending on the geochemical and physical status of the sediments (i.e., frozen or thawed), as well as passage of sediment through a freeze-thaw cycle, terminal carb...
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