其他题名Spatial distribution of colored dissolved organic matter(CDOM) in the Bohai, Yellow and East China Seas in November and December
梁文健; 秦礼萍; 刘兆冰; 唐建辉
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发表期刊海洋环境科学
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ISSN1007-6336
2019
卷号38期号:6页码:905-910
关键词有色溶解有机物溶解有机碳渤海黄东海吸收光谱平面分布Colored Dissolved Organic MatterDissolved Organic CarbonThe Bohai SeaThe Yellow And East China SeasUv-vis SpectralDistribution
研究领域Oceanography
产权排序(1) 中国科学技术大学地球和空间科学学院
; (2) 中国科学院烟台海岸带研究所中国科学院海岸带环境过程与生态修复重点实验室; (3) 山东科技大学地球科学与工程学院
作者部门海岸带环境过程实验室
英文摘要UV-Vis spectral data was analyzed for the surface,middle, and bottom layer water samples of the Bohai Sea, Yellow Sea and East China Sea in November and December, 2016. The distribution characteristics, sources and influencing factors of CDOM in the study area had been investigated. The results showed that CDOM concentrations in the Bohai Sea were higher than those in the Yellow Sea and the East China Sea. In these three Chinese marginal seas, the CDOM concentration showed a decreased trend from the nearshore to the open sea. Strong correlations were observed between value a_(355) and spectra slope S_(275-295). Considering the distribution patterns of a_(355) and S_(275-295), adominant terrestrial source of CDOM was concluded. In the Bohai Sea, the highest concentration of CDOM was detected in the Yellow River estuary,due to the combining effects of the direct riverine discharge and sediment re-suspension by strong wave movement in winter. The lowest DOC and CDOM concentrations in the Bohai sea were observed in the regions,where the double-center cold-water mass areas occurred in the summer. The invasion of the Taiwan Warm Current,charactered by high salinity and low DOC, resulted in an obvious regional low value of DOC except for CDOM concentration. CDOM and DOC did not show remarkable correlation in the Bohai Sea,Yellow Sea and East China Sea.
中文摘要采集了2016年11 - 12月期间东、黄、渤海表、中、底海水样品,分析了海水中溶解有机质的紫外-可见光吸收光谱特征,探讨了渤海和黄东海海域秋冬季有色溶解有机物(CDOM)的分布特征、来源和影响因素。结果表明:在渤海和黄东海,表、中、底层CDOM均呈现近岸高、远海低的分布特征,渤海CDOM含量高于黄东海。吸收系数a_(355)和光谱斜率S_(275-295)呈显著负相关。结合CDOM的a_(355)分布和S_(275-295), 表明CDOM受到陆源输入的显著影响。渤海海区黄河口海域由于黄河水的直接输入和在大风影响下黄河口的泥沙再悬浮作用,CDOM含量最高。12月渤海中心存在CDOM和DOC的低值区,位置和夏季渤海双中心冷水团一致。在黄东海海域,高盐度台湾暖流的导致了黄东海DOC低浓度区域的产生,但对CDOM的含量分布没有明显影响。在渤海和黄东海,CDOM和DOC无显著相关性。
收录类别CSCD
语种中文
关键词[WOS]有色溶解有机物; 溶解有机碳; 渤海; 黄东海; 吸收光谱; 平面分布; Colored Dissolved Organic Matter; Dissolved Organic Carbon; The Bohai Sea; The Yellow And East China Seas; Uv-vis Spectral; Distribution
研究领域[WOS]Oceanography
CSCD记录号CSCD:6626938
引用统计
文献类型期刊论文
条目标识符http://ir.yic.ac.cnhttp://ir.yic.ac.cn/handle/133337/25126
专题中科院海岸带环境过程与生态修复重点实验室_海岸带环境过程实验室
中科院海岸带环境过程与生态修复重点实验室
作者单位1.中国科学技术大学地球和空间科学学院;
2.中国科学院烟台海岸带研究所中国科学院海岸带环境过程与生态修复重点实验室;
3.山东科技大学地球科学与工程学院
推荐引用方式
GB/T 7714梁文健,秦礼萍,刘兆冰,等. 东黄渤海11 - 12月有色溶解有机质的分布特征[J]. 海洋环境科学,2019,38(6):905-910.
APA梁文健,秦礼萍,刘兆冰,&唐建辉.(2019).东黄渤海11 - 12月有色溶解有机质的分布特征.海洋环境科学,38(6),905-910.
MLA梁文健,et al."东黄渤海11 - 12月有色溶解有机质的分布特征".海洋环境科学 38.6(2019):905-910.
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