Underestimation of C and N flux in the northern South China Sea due to dissolution in sediment trap samples

Sun Lin; Li Hongliang; Jennerjahn Tim; Ran Lihua; Jin Haiyan; Zhang Jingjing; Wiesner Martin; Chen Jianfang

doi:10.3969/j.issn.0253-4193.2015.12.003

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Sun Lin, Li Hongliang, Jennerjahn Tim, Ran Lihua, Jin Haiyan, Zhang Jingjing, Wiesner Martin, Chen Jianfang. Underestimation of C and N flux in the northern South China Sea due to dissolution in sediment trap samples[J]. Haiyang Xuebao, 2015, 37(12): 19-26. doi: 10.3969/j.issn.0253-4193.2015.12.003

Citation:

Sun Lin, Li Hongliang, Jennerjahn Tim, Ran Lihua, Jin Haiyan, Zhang Jingjing, Wiesner Martin, Chen Jianfang. Underestimation of C and N flux in the northern South China Sea due to dissolution in sediment trap samples[J]. Haiyang Xuebao, 2015, 37(12): 19-26. doi: 10.3969/j.issn.0253-4193.2015.12.003

Citation:

Sun Lin, Li Hongliang, Jennerjahn Tim, Ran Lihua, Jin Haiyan, Zhang Jingjing, Wiesner Martin, Chen Jianfang. Underestimation of C and N flux in the northern South China Sea due to dissolution in sediment trap samples[J]. Haiyang Xuebao, 2015, 37(12): 19-26. doi: 10.3969/j.issn.0253-4193.2015.12.003

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Underestimation of C and N flux in the northern South China Sea due to dissolution in sediment trap samples

doi: 10.3969/j.issn.0253-4193.2015.12.003

1.
Key Laboratory of State Oceanic Administration for Marine Ecosystem and Biogeochemistry, Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China;Institute of Environment and Marine Chemistry, Zhejiang University, Zhejiang 310058, China
2.
Key Laboratory of State Oceanic Administration for Marine Ecosystem and Biogeochemistry, Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China
3.
Leibniz Center for Tropical Marine Ecology Fahrenheitstr, Bremen 6 D-28359, Germany
4.
Institute of Geology, Hamburg University, Hamburg D-20146, Germany

Received Date: 2015-05-22
Rev Recd Date: 2015-09-27

Abstract

Abstract

The sinking particles in the sediment trap can be dissolved to a certain extent due to the chemical dissolution,physical dissolution,extracellular enzyme,etc. This paper studies the dissolution of biogenic particles in the sediment trap located in the deep northern South China Sea in 1987-1988. It could be concluded that the effect of dissolution on the estimation of various fluxes decreased with depth. Overall,the underestimation of particulate organic carbon flux was about 3.8%-40.3%,with an average of 26.6%. The underestimation of particulate nitrogen flux was about 4.2%-76.4%,with an average of 43.7%. There were no relationships between the particle fluxes and the dissolved C and N. But the storing time had significant impact on dissolution of the sinking particles. The sample with longer storing time would have more dissolved quantity.
- South China Sea,
- sediment trap,
- solubilization,
- flux

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References(32)

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