Articles | Volume 15, issue 21
Biogeosciences, 15, 6637–6648, 2018
https://doi.org/10.5194/bg-15-6637-2018
Biogeosciences, 15, 6637–6648, 2018
https://doi.org/10.5194/bg-15-6637-2018
Research article
08 Nov 2018
Research article | 08 Nov 2018

Spatiotemporal transformation of dissolved organic matter along an alpine stream flow path on the Qinghai–Tibet Plateau: importance of source and permafrost degradation

Yinghui Wang et al.

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Short summary
With global warming, thawing of permafrost releases dissolved organic matter (DOM) into streams. By analyzing DOM along an alpine stream on the Qinghai–Tibet Plateau, we found DOM was mainly from the active layer, but with deepening of the active layer, the contribution of the deep permafrost layer increased, causing a change in the chemical composition of DOM. From the head- to downstream, DOM is undergoing rapid degradation, but some components are persistent and can be transported downstream.
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