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Distribution of dissolved organic matter in different water masses in the Yellow Sea in summer
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Yichao Wang1, Xiaoyan Liu1, Guisheng Song2, *, Huixiang Xie1, 3
Haiyang Xuebao | 2019, 41(12) : 145 - 155
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Haiyang Xuebao | 2019, 41(12): 145-155
• Marine Chemistry •
Distribution of dissolved organic matter in different water masses in the Yellow Sea in summer
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Yichao Wang1, Xiaoyan Liu1, Guisheng Song2, *, Huixiang Xie1, 3
Affiliations
  • 1 College of Marine and Environmental Sciences, Tianjin University of Science and Technology, Tianjin 300457, China
  • 2 School of Marine Science and Technology, Tianjin University, Tianjin 300072, China
  • 3 Institute of Marine Sciences of Rimouski, University of Quebec at Rimouski, Quebec G5L 3A1, Canada
Published: 2019-12-25 doi: 10.3969/j.issn.0253-4193.2019.12.014
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Based on the investigation of dissolved organic matter (DOM) in the Yellow Sea from August to September 2017, the spatial distributions of dissolved organic carbon (DOC) and chromophoric dissolved organic matter (CDOM) were studied in the Yellow Sea. In surface seawater, CDOM was higher in the nearshore water, which might be caused by the relatively significant influence by the river input, while colorless DOC concentration in the north Yellow Sea Cold Water (YSCW) area was enhanced by aquaculture. The DOC concentration decreased along depth in the water column, but an inverse trend for CDOM, especially in the YSCW area. Terrestrial DOC input and primary production were mainly responsible for the surface DOC enhancement, while photobleaching induced the decrease of CDOM. Additionally, photobleaching also decreased the molecular weight and aromaticity of CDOM in surface water. In the YSCW, O2 was slightly unsaturated, with the saturation degree of 80%–93%. In this area, strong stratification prevented the vertical diffusion of O2 to bottom water. Additionally, stratification could also restrain the vertical mixing of DOC and CDOM, which was mainly responsible for the large difference of DOC and CDOM between surface and bottom waters.

Yellow Sea Cold Water  /  low oxygen  /  dissolved organic carbon  /  chromophoric dissolved organic matter
Yichao Wang, Xiaoyan Liu, Guisheng Song, Huixiang Xie. Distribution of dissolved organic matter in different water masses in the Yellow Sea in summer[J]. Haiyang Xuebao, 2019 , 41 (12) : 145 -155 . DOI: 10.3969/j.issn.0253-4193.2019.12.014
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Year 2019 volume 41 Issue 12
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Article Info
doi: 10.3969/j.issn.0253-4193.2019.12.014
  • Receive Date：2018-12-25
  • Online Date：2026-04-03
  • Published：2019-12-25
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  • Received：2018-12-25
  • Revised：2019-03-01
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Affiliations
    1 College of Marine and Environmental Sciences, Tianjin University of Science and Technology, Tianjin 300457, China
    2 School of Marine Science and Technology, Tianjin University, Tianjin 300072, China
    3 Institute of Marine Sciences of Rimouski, University of Quebec at Rimouski, Quebec G5L 3A1, Canada
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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