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  1. National Taiwan Ocean University Research Hub

The Study of the Diagenetic Processes and Sedimentary P Species in the Danshuei Estuarine Sediment

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Project title
The Study of the Diagenetic Processes and Sedimentary P Species in the Danshuei Estuarine Sediment
Code/計畫編號
111-2611-M-019-009-
Translated Name/計畫中文名
淡水河河口海域沉積物成岩作用與磷物種變化研究
 
Project Coordinator/計畫主持人
Tien-Hsi Fang
Funding Organization/主管機關
National Science and Technology Council
 
Department/Unit
Department of Marine Environmental Informatics
Website
https://www.grb.gov.tw/search/planDetail?id=14522280
Year
2022
 
Start date/計畫起
01-08-2022
Expected Completion/計畫迄
31-07-2023
 
Bugetid/研究經費
1215千元
 
ResearchField/研究領域
海洋科學
 

Description

Abstract
淡水河河口海域為一含氮磷濃度很高的優養化河口海域,且其沉積物總磷濃度大都超過800 mg/kg,明顯遭受污染,且其濃度以鐵結合相物種占總磷濃度58 %以上,所佔比例極高,此磷物種易在缺氧環境中伴隨著氧化鐵(三價鐵)被還原,被解離至水體中,其擴散通量為何,沉積物成岩作用如何,影響淡水河河口海域微量元素之地球化學變化為何,這些問題是本計畫想要研究回答的答案。本計畫的執行可進一步瞭解淡水河河口海域微量元素之地球化學變化,與建立淡水河河口海域水質長期資料,以其對環境之影響。
 
Keyword(s)
淡水河河口
沉積物
磷物種
連續萃取法
成岩作用
擴散通量
phosphorus
sediment
sequential extraction method
diagenetic processes
diffusion flux
 
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