台湾浅滩及其邻近海域沉降颗粒物及絮凝体类型研究

doi:10.11978/j.issn.1009-5470.2010.04.048

热带海洋学报 ›› 2010, Vol. 29 ›› Issue (4): 48-55.doi: 10.11978/j.issn.1009-5470.2010.04.048cstr: 32234.14.j.issn.1009-5470.2010.04.048

台湾浅滩及其邻近海域沉降颗粒物及絮凝体类型研究

方建勇, 陈坚, 胡毅, 廖连招

国家海洋局第三海洋研究所, 福建厦门 361005

收稿日期:2008-12-15 修回日期:2009-02-22 出版日期:2010-07-31 发布日期:2010-07-29
作者简介:方建勇(1978—), 男, 四川省眉山市人, 工程师, 硕士, 从事海洋沉积学研究。
基金资助:
“908”专项(908-ZC-I-05); 国家海洋局第三海洋研究所基本科研业务费专项资金(海三科2008003)

Types of settling particulate matter and flocs around the Taiwan Shoal

FANG Jian-yong, CHEN Jian, HU Yi, LIAO Lian-zhao

Third Institute of Oceanography, SOA, Xiamen 361005, China

Received:2008-12-15 Revised:2009-02-22 Online:2010-07-31 Published:2010-07-29
About author:方建勇(1978—), 男, 四川省眉山市人, 工程师, 硕士, 从事海洋沉积学研究。
Supported by:
“908”专项(908-ZC-I-05); 国家海洋局第三海洋研究所基本科研业务费专项资金(海三科2008003)

摘要/Abstract

摘要：

2004年7月25日至8月10日在台湾浅滩及其邻近海域取得悬浮体样品, 通过扫描电镜及能谱分析, 探讨了台湾浅滩及其邻近海域沉降颗粒物类型及其絮凝沉积作用。结果表明: 单颗粒沉降颗粒物类型有生物颗粒、矿物颗粒和其他颗粒等3种类型; 沉降颗粒物絮凝体类型包括住囊类、粪球絮凝体、硅藻絮凝体、矿物碎屑絮凝体、有机包膜、混杂絮凝体、微型藻类絮凝体等7种。颗粒物类型受到地形、海流和陆源输入等海洋环境的影响, 生物絮凝和上升流可能是导致悬浮颗粒聚集的主要原因。絮凝在悬浮体的沉积过程中起着十分重要的作用。

关键词: 悬浮体, 沉降颗粒物类型, 絮凝, 台湾浅滩

Abstract:

Suspended matter samples obtained from the Taiwan Shoal and on its adjacent shelves from July 25 to August 10, 2004 were studied using scanning electron microscope (SEM) and energy disperse spectroscopy (EDX). The types of settling particulate matter (SPM) and their flocculating sedimentation are discussed. It is shown that the types of single particle are biology and mineral, among others, and that the types of flocs of SPM include larvacean houses, fecal flocs, diatom flocs, mineral flocs, organic film, miscellaneous flocs, minitype algae flocs, etc. The types of SPM are affected by ocean environment, such as topography, currents and land-based sources of input. Bio-flocculation and upwelling may be the primary reasons of aggregated SPM. Flocculation plays a very important role in the sedimentary processes of suspended matter.

Key words: suspended matter, types of settling particulate matter (SPM), flocs, the Taiwan Shoal

方建勇,陈坚,胡毅,廖连招. 台湾浅滩及其邻近海域沉降颗粒物及絮凝体类型研究[J]. 热带海洋学报, 2010, 29(4): 48-55.

FANG Jian-yong,CHEN Jian,HU Yi,LIAO Lian-zhao. Types of settling particulate matter and flocs around the Taiwan Shoal[J]. Journal of Tropical Oceanography, 2010, 29(4): 48-55.

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台湾浅滩及其邻近海域沉降颗粒物及絮凝体类型研究

Types of settling particulate matter and flocs around the Taiwan Shoal

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