Dataset for Geomorphology and Climate Interact to Control Organic Carbon Stock and Age in Mountain River Valley Bottoms
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Organic carbon (OC) stored in dead vegetation and soil represents a massive and relatively sensitive pool of carbon whose distribution and residence time affects global climate. Mountain river basins can store large OC stocks. However, the distribution, magnitude, and residence time of OC stored in mountain river valley bottoms remain unquantified on broad scales, hampering understanding of how these regions contribute to terrestrial OC cycling. We compare four disparate mountain river basins to show that mountain river valley bottoms store substantial OC stocks in floodplain soil and downed ...