Correlation between riverine carbon transport and terrestrial erosion-deposition processes

YAO Guan-rong; GAO Quan-zhou

Volume 18 Issue 1

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Advances in Water Science > 2007 > 18(1): 133-139.

YAO Guan-rong, GAO Quan-zhou. Correlation between riverine carbon transport and terrestrial erosion-deposition processes[J]. Advances in Water Science, 2007, 18(1): 133-139.

Citation:

YAO Guan-rong, GAO Quan-zhou. Correlation between riverine carbon transport and terrestrial erosion-deposition processes[J]. Advances in Water Science, 2007, 18(1): 133-139.

Citation:

YAO Guan-rong, GAO Quan-zhou. Correlation between riverine carbon transport and terrestrial erosion-deposition processes[J]. Advances in Water Science, 2007, 18(1): 133-139.

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Correlation between riverine carbon transport and terrestrial erosion-deposition processes

School of Geography and Planning, Zhongshan(Sun Yat-sen) University, Guangzhou 510275, China

Funds: The study is financially supported by the National Natural Science Foundation of China(No.40471120),the Specialized Research Fund for the Doctoral Program of Higher Education(No.20040558025).

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Received Date: January 18, 2005
Revised Date: October 12, 2005

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Abstract

The riverine carbon transport is closely related to the processes of terrestrial erosion-deposition.This paper firstly reviews two different kinds of terrestrial erosion(the mechanical and chemical weathering mechanisms),discusses their respective roles in providing carbon to the river,and compares the differences between the monsoon and non-monsoon drainage basins in flux and the characteristic of the riverine carbon transport.Then it makes a summary of the terrestrial carbon deposition and points out several potential land-origin carbon traces including dam capture,deposition happening in floodplain,estuary and near-shore area,and terrestrial carbon precipitation.It is necessary to pay more attention to the terrestrial carbon deposition, and set up clear mechanisms of different types of carbon deposition and their respective contributions to world terrestrial carbon sink,because the captive effect of terrestrial environment relative to the terrestrial erosion is unclear.In addition,we should further explore direct or indirect impacts of human activities on the processes of terrestrial erosion-deposition and the riverine carbon cycle.
- Riverine carbon transport,
- terrestrial erosion-deposition,
- flux,
- terrestrial sources,
- human activities

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