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題名:The role of the Taiwan Strait in an Ecological Model in the East China Sea    
東海生態模式中臺灣海峽的作用
著者:Xin-Yu Guo(郭新宇) ;Tetsuo Yanagi(柳哲雄)
出版地區:台灣
出版城市:台北市
學科:地球科學
關鍵字:臺灣海峽 ; 東海 ; 生態模式 ; Taiwan Strait ; ecological model ; East China Sea
刊名:ACTA Oceanographica Taiwanica
卷期:37卷2期(1998.9)
頁碼:139-164
語言:英語
摘要: 中文摘要PDF ; 英文摘要PDF

利用1994年4月的東海海洋觀測資料,我們開發了一個包括溶解性無機氮(DIN),溶解性無機磷(DIP),浮游植物、浮游動物,及碎屑(detritus)等五個變量的東海生態模式,在基本再現了觀測資料的基礎上,通過改變邊界條件,研究了臺灣海峽,特別是其流量的變化對生態模式產生的影響。在這個生態模式中,我們假設東海的營養鹽有三個起源,即河流、台灣海峽、大陸架等。為了估算各種不同起源的營養鹽在東海中的分佈,我們在模式中對它們進行了分別計算。它們在非線性生化項中的分離是基於它們在格子點中的濃度比。模式的計算結果表明,台灣海峽的流量變化對東海營養鹽的供給影響很大,但是對東海的初級生產的影響力不大。這是因為從臺灣海峽流入的營養鹽的變化,可以由大陸架起源的營養鹽來補償。
An ecological model, which has reproduce d the major distribution characteristics of the observed DIN (Dissolved Inorganic Nitrogen), DIP (Dissolved Inorganic Phosphate), phytoplankton, zooplankton and detritus in April 1994 in the East China Sea (ECS), is used to examine the role of the Taiwan Strait in the ecosystem of the ECS, especially focusing on its volume transport. The nutrients (DIN and DIP) in the ECS are assumed to have three sources, that are the rivers (mainly Changjiang), the Taiwan Strait and the shelf edge. To estimate the contributions of the above three sources of DIN and DIP in the ECS, they are labeled in the ecological model. The separation of the nonlinear biochemical terms in the eco logical model is based on the content ratio of the three sources of DIN and DIP in a grid. The numerical model shows that the variation of the volume transport through the Taiwan Strait influences the nutrient supplies in the ECS largely, but has little influence on the primary product ion there. This is because the change in the import of nutrients from the Taiwan Strait may be compensated by the nutrients input from the shelf edge.


    

本卷期目次
ACTA Oceanographica Taiwanica 37卷2期 (1998.9)
Bifurcation Current Found along the Coast of the Kii Peninsula and Position of the Kuroshio Axis/ Junichi TakeuchiYutaka Nagata
Does Small-Scale Meander Travel Eastwards and Trigger Large-Scale Meander of the Kuroshio?/ Yutaka Nagata
The role of the Taiwan Strait in an Ecological Model in the East China Sea/ Xin-Yu GuoTetsuo Yanagi
A Numerical Simulation of the Circulation in the South China Sea-Preliminary Results/ Takano KenzoHarashima AkiraNamba Takaya
Growth, Mortality and Yield-per-Recruit of Kuruma Shrimp(Penaeus japonicus) from Adjacent Waters off Taichung Harbor/ Tzong-Der TzengShean-Ya Yeh
Sexual Reproduction of the Ascidian Polycarpa cryptocarpa kroboja from the Northern Coast of Taiwan/ Yung-Tse ChenChang-Feng Dai
陸棚對台灣東北方黑潮形成水環之影響/ 李?運
 
   
 
   

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