Cliff on the Western Site of Kurungnakh Island with Yedoma Deposits

by Sebastian Zubrzycki

postdoctoral researcher

University of Hamburg

The Lena River Delta, which is the largest delta in the Arctic, extends over an area of 32,000 square kilometers. The soils of this delta likely hold more than half of the entire soil organic carbon (SOC) mass stored in the seven major deltas in the northern permafrost regions. Projected deepening of the active soil layer up to 120 cm in the Lena River Delta within the 21st century will result in increased decomposition and mineralization processes that are relevant for climate change.

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