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首页> 外文期刊>Estuarine Coastal and Shelf Science >A seasonal study of particulate organic matter composition and quality along an offshore transect in the southern North Sea
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A seasonal study of particulate organic matter composition and quality along an offshore transect in the southern North Sea

机译:北海南部近海样带沿线颗粒有机物组成和质量的季节性研究

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摘要

We investigated temporal differences in particulate organic matter (POM) composition and quality in the water column and sediment at three stations along a transect from the coast via Oyster Grounds to Dogger Bank within the southern North Sea, using a multiproxy approach covering a wide spectrum of organic matter (OM) degradation states. Results of pigments and phospholipid-derived fatty acids showed distinct OM composition and quality differences in these stations, as well as seasonal variations. Major events, such as a late fall bloom at Dogger Bank and a spring bloom at Oyster Grounds and the Coastal Station were highlighted and the semi-depositional status of Oyster Grounds was confirmed. The OM composition and quality were relatively constant in the upper 10 cm of the sediment at all stations. Finally, this study highlights the importance of lateral and vertical transport processes in seasonal variations in the biogeochemical carbon cycle in this area and the intense pre-depositional processing before eventual burial in coastal settings. (C) 2017 Elsevier Ltd. All rights reserved.
机译:我们采用覆盖整个海域的多代理方法,研究了沿海岸经牡蛎地面到北海南部多格河岸的一个断面的三个站点水柱和沉积物中颗粒有机物(POM)组成和质量的时间差异。有机物(OM)降解状态。颜料和磷脂衍生脂肪酸的结果显示这些站的OM组成和质量存在明显差异,以及季节性变化。突出显示了重大事件,例如Dogger Bank的晚秋水华和Oyster Grounds和Coastal Station的春季水华,并确认了Oyster Grounds的半沉积状态。在所有站点,沉积物的上部10 cm的OM组成和质量相对恒定。最后,这项研究强调了横向和垂直运输过程在该地区生物地球化学碳循环的季节性变化以及沿海地区最终埋葬前进行激烈的沉积前处理的重要性。 (C)2017 Elsevier Ltd.保留所有权利。

著录项

  • 来源
    《Estuarine Coastal and Shelf Science》 |2017年第15期|1-11|共11页
  • 作者单位

    NIOZ Royal Netherlands Inst Sea Res, Dept Estuarine & Delta Syst, POB 140, NL-4400 AC Yerseke, Netherlands|Univ Utrecht, Dept Earth Sci, POB 80021, NL-3508 TA Utrecht, Netherlands;

    NIOZ Royal Netherlands Inst Sea Res, Dept Estuarine & Delta Syst, POB 140, NL-4400 AC Yerseke, Netherlands;

    NIOZ Royal Netherlands Inst Sea Res, Dept Marine Microbiol & Biogeochem, POB 59, NL-1790 AB Den Burg, Texel, Netherlands|Univ Utrecht, Dept Earth Sci, POB 80021, NL-3508 TA Utrecht, Netherlands;

    Univ Utrecht, Dept Earth Sci, POB 80021, NL-3508 TA Utrecht, Netherlands;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Particulate organic matter; Biogeochemistry; Biomarkers; Seasonal variations; OM quality; North Sea;

    机译:颗粒有机物;生物地球化学;生物标志物;季节变化;OM质量;北海;

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