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  1. National Taiwan Ocean University Research Hub

The Study of Terrstrial-Oceanic Environmental Change in the Okhotsk Sea during the Past 1500k Years

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Project title
The Study of Terrstrial-Oceanic Environmental Change in the Okhotsk Sea during the Past 1500k Years
Code/計畫編號
NSC94-2611-M019-019
Translated Name/計畫中文名
西太平洋古氣候動力綜合研究---子計畫四:鄂霍次克海過150萬年陸海環境變化研究
 
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=1106783
Year
2005
 
Start date/計畫起
01-08-2005
Expected Completion/計畫迄
31-07-2006
 
Bugetid/研究經費
1113千元
 
ResearchField/研究領域
海洋科學
 

Description

Abstract
" 本計畫擬分析IMAGES計畫在鄂霍次克海中央(東經149度34.8分、北緯53度11.77分)採集的巖芯中磷、鐵、錳、碳、氮、矽(蛋白石)等元素含量,此支巖芯編號為MD012414深度達57米長,其埋藏時間含蓋過去壹佰柒拾萬年。由文獻知鄂霍次克海在間冰期與冰期期間,其矽藻之生礎力相差2-5倍,而沉積速率亦相差2-3倍。鄂霍次克海在間冰期與冰期時其海域受冰封影嚮,造成陸源物輸入相差極大。鄂霍次克海在間冰期與冰期時所產生之生礎力差異 ,是由溫度差異或是由陸源物輸入差異所造成,目前的瞭解並不十分清楚。本計畫期望藉由上述元素的分析資料,並配合其他先進已作完MD012414巖芯分析之其他地化參數,研究鄂霍次克海在間冰期與冰期時陸源物輸對海洋生礎力的影嚮,期望藉由更多的參數資料,能較全面性的瞭解.霍次克海古海洋環境的變化。其次對於磷、鐵、錳、碳、氮等元素在鄂霍次克海的沉積作用亦加以研究。 "
 
Keyword(s)
霍次克海
MD012414岩芯
磷
鐵
錳
碳
氮
基礎生產力
 
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