Grain size composition and transport of sedimentary organic carbon in the Changjiang River (Yangtze River) Estuary and Hangzhou Bay and their adjacent waters

Surface sediments from the Changjiang River (Yangtze River) Estuary, Hangzhou Bay, and their adjacent waters were analyzed for their grain size distribution, organic carbon (OC) concentration, and stable carbon isotope composition ( δ 13 C). Based on this analysis, about 36 surface sediment samples...

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Bibliographic Details
Published in:Acta oceanologica Sinica 2015-10, Vol.34 (10), p.46-56
Main Authors: Zhang, Weiyan, Jin, Haiyan, Yao, Xuying, Ji, Zhongqiang, Zhang, Xiaoyu, Yu, Xiaoguo, Zhang, Fuyuan, Gao, Aigen
Format: Article
Language:English
Subjects:
Carbon
Carbon 13
Carbon isotopes
Clay
Climatology
Coastal currents
Earth and Environmental Science
Earth Sciences
Ecology
Engineering Fluid Dynamics
Environmental Chemistry
Estuaries
Estuarine dynamics
Fractionation
Grain size
Grain size distribution
Isotope composition
Marine & Freshwater Sciences
Oceanography
Offshore
Organic carbon
Particle size
Rivers
Sediment
Sediment samplers
Sediment samples
Sediments
Silt
Size distribution
Vortices
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Summary:Surface sediments from the Changjiang River (Yangtze River) Estuary, Hangzhou Bay, and their adjacent waters were analyzed for their grain size distribution, organic carbon (OC) concentration, and stable carbon isotope composition ( δ 13 C). Based on this analysis, about 36 surface sediment samples were selected from various environments and separated into sand (>0.250 mm, 0.125–0.250 mm, 0.063–0.125 mm) and silt (0.025–0.063 mm) fractions by wet-sieving fractionation methods, and further into silt- (0.004–0.025 mm) and clay-sized (
ISSN:0253-505X
1869-1099
DOI:10.1007/s13131-015-0711-y