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Estimating the Amount of Underground Carbon in the Kolyma River Basin
The Arctic contains vast amounts of soil that is frozen throughout the year, known as permafrost. Permafrost soil is rich in ancient carbon—plant and animal remains that are thousands…
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Ancient Yedoma carbon loss: primed by ice wedge thaw?
Frozen soils, or permafrost, in northeast Siberia are dominated by Yedoma deposits. Yedoma deposits are accumulations of windblown dust and riverine sediments from the Pleistocene era, a period 2.6…
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The Impact of Nutrient Addition on the Enzymatic Activity in the Waters of the Kolyma River Watershed
All living organisms produce enzymes. Enzymes speed up chemical reactions by converting another substance, called the substrate, into a molecule necessary for life. Microscopic organisms, or microbes, along with…
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Arctic Streams as Processors of Permafrost Organic Matter
Rivers and streams carry invisible bits of soil and plant matter from the landscapes they drain. These small pieces of once living material, known as organic matter, are a…
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