Guido Grosse

Arctic river deltas face rising climate pressure while holding vast frozen carbon reserves

Arctic river deltas face rising climate pressure while holding vast frozen carbon reserves Gaby Clark Scientific Editor Robert Egan Associate Editor Many rivers flow into the Arctic Ocean north of the Arctic Circle—including the Lena in Siberia and the Mackenzie River in Canada. The deltas of these large and small rivers store large amounts of carbon, which is bound there in frozen soils and sediments.