Sources, burial fluxes of Carbon in sediments of the western Taiwan Strait

YE Xiang; CHEN Jian; WANG Ai-jun; WANG Wei-guo; HUANG Cai-bin; LI Dong-yi

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YE Xiang, CHEN Jian, WANG Ai-jun, WANG Wei-guo, HUANG Cai-bin, LI Dong-yi. Sources, burial fluxes of Carbon in sediments of the western Taiwan Strait[J]. Haiyang Xuebao, 2011, 33(5): 73-82.

Citation:

YE Xiang, CHEN Jian, WANG Ai-jun, WANG Wei-guo, HUANG Cai-bin, LI Dong-yi. Sources, burial fluxes of Carbon in sediments of the western Taiwan Strait[J]. Haiyang Xuebao, 2011, 33(5): 73-82.

YE Xiang, CHEN Jian, WANG Ai-jun, WANG Wei-guo, HUANG Cai-bin, LI Dong-yi. Sources, burial fluxes of Carbon in sediments of the western Taiwan Strait[J]. Haiyang Xuebao, 2011, 33(5): 73-82.

Citation:

YE Xiang, CHEN Jian, WANG Ai-jun, WANG Wei-guo, HUANG Cai-bin, LI Dong-yi. Sources, burial fluxes of Carbon in sediments of the western Taiwan Strait[J]. Haiyang Xuebao, 2011, 33(5): 73-82.

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Sources, burial fluxes of Carbon in sediments of the western Taiwan Strait

Open Laboratory of Ocean and Coast Environmental Geology, Third Institute of Oceanography, State Oceanic Administration, Xiamen 361005, China

Received Date: 2010-08-24

Abstract

Abstract

Total organic carbon(TOC), CaCO₃, total nitrogen (TN), particulate organic carbon(POC) and grain size in surface sediments of the western Taiwan Strait were analysed in 2005. TOC and CaCO₃ contents varied in the ranges of 0.01~1.79 and 0.11~23.00 respectively. The average content of TOC in the surface sediments was 0.37±0.24 which larger than the TOC in the Southern Taiwan Strait ,but smaller than the TOC in the center and north of Taiwan Strait in 1980s. High level of TOC content was found near-shore and decreased seaward. Region with high and low value of CaCO₃ had the scattering features. The average ratio C/N which indicated the mixed sources of organic materials was 10.12. The background relationship between TOC and TN was close. The power correlation between OC and grain size was suggested that grain size was a limiting factor for TOC. But there was not a good relation between grain size and CaCO₃. TOC in sediment was not coupled with primary production in water in or around the upwelling area of the southern Taiwan Straint. After calculation, burial fluxes of carbon was 10⁵ t/a in the sediments of the western Taiwan Strait. The terrestrial input, coastal current and upwelling significantly influenced the burial fluxes of carbon in the sediment.
- total organic carbon,
- CaCO₃,
- sediment,
- burial fluxes of carbon,
- Taiwan Strait

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References(45)

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