We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
Organic versus Inorganic Carbon Exports from Glacier and Permafrost Watersheds in Qinghai–Tibet Plateau.
- Authors
Yu, Congrong; Li, Ying; Jin, Huijun; Ma, Qiang; Yu, Zhongbo; Shi, Keliang; Li, Xiangying; Chen, Gang
- Abstract
In a warming climate, land-to-water carbon mobilization is increasing in glacier and permafrost area. To identify the connection between exported river carbon content and the permafrost or glacier condition in the high-altitude mountain area, we studied the dissolved organic carbon and dissolved inorganic carbon concentration in three streams of Qinghai–Tibet Plateau (QTP), which were located in the continuous permafrost, seasonal permafrost and glacial basin, respectively. It was found that the DIC and DOC concentrations were lower in the glacial rivers compared with the permafrost derived rivers; but more DOC would be exported from glacier due to the large amount of melted glacier water in the high mountainous area. DIC/DOC ratio in rivers reflected the watershed landscape types. In the permafrost area, the river recharged by seasonal permafrost had higher DIC concentration than the river in the continuous permafrost region, suggesting that increased DIC concentration could be a precursor of permafrost degradation. Research is meaningful to estimate the DOC and DIC export from high mountain area.
- Subjects
PERMAFROST; DISSOLVED organic matter; GLACIERS; ALPINE glaciers; WATERSHEDS; SEASONS
- Publication
Aquatic Geochemistry, 2021, Vol 27, Issue 4, p283
- ISSN
1380-6165
- Publication type
Article
- DOI
10.1007/s10498-021-09399-x