Aggregation of marine organic matter by bubbling

Wada Shigeki; Omori Yuko; Yamashita Saki; Hayashi Yasuhito; Hama Takeo; Adachi Yasuhisa

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Aggregation of marine organic matter by bubbling

机译：冒泡海洋有机物聚集

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Dissolved organic matter (DOM) can be partially converted into particulate organic matter via aggregation. Although surface coagulation by bubbles is known to be an aggregation process, a few studies have tested its efficacy for aggregating natural DOM. In the research described here, we tested surface coagulation by bubbles using natural seawater collected from different locations, and achieved organic matter aggregation (OCagg) at the concentrations up to 0.619 mu M. In addition, the test using seawater enriched with nutrient showed that OC(agg)was 0.559 mu M. We also evaluated aggregation in mesocosm through 40 days. The OC(agg)concentrations increased after nutrient depletion (0.858-1.34 mu M), and the OCagg/DOC ratio reached its maximum on day 18 (1.24 +/- 0.19%).

机译：溶解的有机物（DOM）可以通过聚集部分地将颗粒有机质转化为颗粒状有机物。虽然已知通过气泡的表面凝结是聚集过程，但是一些研究已经测试了其对聚集天然DOM的功效。在此处描述的研究中，我们使用从不同地点收集的天然海水测试表面凝聚，并在浓度下实现了高达0.619亩的浓度的有机物聚集（OCAGG）。此外，使用富含营养素的海水的试验显示OC （AGG）为0.559亩，我们还通过40天评估了中核科姆的聚集。营养耗竭（0.858-1.34 mu m）后，OC（agg）浓度增加，并且OCAGG / DOC比在第18天（1.24 +/- 0.19％）最大值达到其最大值。

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来源
《Journal of oceanography》 |2020年第4期|317-326|共10页
作者
Wada Shigeki; Omori Yuko; Yamashita Saki; Hayashi Yasuhito; Hama Takeo; Adachi Yasuhisa;
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作者单位

Univ Tsukuba Shimoda Marine Res Ctr Shimoda Shizuoka 4150025 Japan;

Univ Tsukuba Life & Environm Sci Tsukuba Ibaraki 3050005 Japan;

Univ Tsukuba Life & Environm Sci Tsukuba Ibaraki 3050005 Japan;

Univ Tsukuba Shimoda Marine Res Ctr Shimoda Shizuoka 4150025 Japan;

Univ Tsukuba Life & Environm Sci Tsukuba Ibaraki 3050005 Japan|Dokkyo Univ Fac Econ Soka Saitama 3400042 Japan;

Univ Tsukuba Life & Environm Sci Tsukuba Ibaraki 3050005 Japan;

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收录信息美国《科学引文索引》(SCI);
原文格式 PDF
正文语种 eng
中图分类
关键词
DOM; POM; Aggregation; Bubble; Phytoplankton; Carbohydrates;

机译：DOM;POM;聚集;泡泡;浮游植物;碳水化合物;

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1. The roles of carbohydrates, proteins and lipids in the process of aggregation of natural marine organic matter investigated by means of 2D correlation spectroscopy applied to infrared spectra [J] . Mecozzi M, Pietrantonio E, Pietroletti M Spectrochimica acta, Part A. Molecular and biomolecular spectroscopy . 2009,第5期

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2. Alteration of soil organic matter pools and aggregation in semi-arid steppe topsoils as driven by organic matter input [J] . Steffens M., Koelbl A., Koegel-Knabner I. European Journal of Soil Science . 2009,第2期

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3. Effects of terrestrial and marine organic matters on deposition of dechlorane plus (DP) in marine sediments from the Southern Yellow Sea, China: Evidence from multiple biomarkers [J] . Wang Guoguang, Peng Jialin, Hao Ting, Environmental Pollution . 2017,第nova期

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4. Effects of dissolved organic matters on chemical transportation mechanisms of polycyclic aromatic hydrocarbons in marine environment [C] . Chon-Lin Lee, Hui-Ting Huang . 1996

机译：溶解有机物对海洋环境中多环芳烃化学迁移机理的影响
5. The dynamics of pore-water dissolved organic carbon and the fate of organic matter in anoxic marine sediments: An assessment using carbon isotopes and ultrafiltration. [D] . Seagle, Carol Ann. 2002

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6. Accurate Quantification of Laminarin in Marine Organic Matter with Enzymes from Marine Microbes [O] . Stefan Becker, André Scheffel, Martin F. Polz, 2017

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7. Bacterial uptake of dissolved organic matter in relation to detrital aggregation in marine and freshwater systems1 [O] . Hans W. Paeri 1974

机译：脱滴聚集在海洋和淡水系统中的细菌摄取溶解有机物1

Aggregation of marine organic matter by bubbling

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