Articles | Volume 13, issue 19
https://doi.org/10.5194/bg-13-5487-2016
https://doi.org/10.5194/bg-13-5487-2016
Research article
 | 
04 Oct 2016
Research article |  | 04 Oct 2016

Hydrologically transported dissolved organic carbon influences soil respiration in a tropical rainforest

Wen-Jun Zhou, Hua-Zheng Lu, Yi-Ping Zhang, Li-Qing Sha, Douglas Allen Schaefer, Qing-Hai Song, Yun Deng, and Xiao-Bao Deng

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ED: Publish subject to minor revisions (Editor review) (20 Aug 2016) by Akihiko Ito
AR by Wenjun Zhou on behalf of the Authors (02 Sep 2016)  Author's response   Manuscript 
ED: Publish subject to technical corrections (13 Sep 2016) by Akihiko Ito
AR by Wenjun Zhou on behalf of the Authors (14 Sep 2016)  Author's response   Manuscript 
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Short summary
Throughfall and litter leachate DOC fluxes amounted to 6.81 and 7.23 % of the net ecosystem exchange, respectively. The surface soil was a sink of above water transported DOC. The analysis of 13° C hydrological water DOC and soil, leaf and litter indicated that DOC is transformed in the surface soil. Soil respiration is more dependent on water transported DOC flux than soil-water content (at 0–20 cm), and most sensitive to soil-water DOC flux (at 0–20 cm) compared to soil temperature.
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