Organic Carbon Content in Dissolved and Particulate Forms in Kara Sea Water

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
N. A. Belyaev, V. Y. Fedulov, M. D. Kravchishina, S. A. Shchuka
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Abstract

The article summarizes data on the suspended particulate matter content and dissolved and particulate organic carbon concentrations in Kara Sea water for 2007–2022. A difference in the distributions of dissolved (DOC) and particulate (POC) organic carbon in the water column during autumn (September) and spring–summer (July–August) was revealed. An increase in dissolved organic carbon concentrations was recorded both on the surface and in the water column in summer. Analysis of the dependences of DOC concentrations on salinity showed that the increase in these concentrations is not associated with an increase in DOC concentrations in river runoff water. There was also a significant increase in DOC and POC concentrations in phytoplankton bloom zones throughout the water column. Thus, a relationship has been identified between seasonal increases in organic matter concentrations in the open part of the sea and phytoplankton bloom processes.

Abstract Image

喀拉海海水中以溶解和颗粒形式存在的有机碳含量
摘要 本文总结了 2007-2022 年喀拉海海水中悬浮颗粒物含量、溶解有机碳和颗粒有机碳浓度的数据。结果表明,秋季(9 月)和春夏季(7 月至 8 月)水体中溶解性有机碳(DOC)和颗粒有机碳(POC)的分布存在差异。夏季表层和水体中的溶解有机碳浓度都有所增加。溶解有机碳浓度与盐度的关系分析表明,溶解有机碳浓度的增加与河流径流水中溶解有机碳浓度的增加无关。在整个水体中,浮游植物繁殖区的 DOC 和 POC 浓度也有明显增加。由此可见,海面开阔处有机物浓度的季节性增加与浮游植物的繁殖过程之间存在着一定的关系。
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来源期刊
Accounts of Chemical Research
Accounts of Chemical Research 化学-化学综合
CiteScore
31.40
自引率
1.10%
发文量
312
审稿时长
2 months
期刊介绍: Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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