East China Sea increasingly gains limiting nutrient P from South China Sea

Ting Hsuan Huang, Chen Tung Arthur Chen*, Jay Lee, Chau Ron Wu, You Lin Wang, Yan Bai, Xianqiang He, Shu Lun Wang, Selvaraj Kandasamy, Jiann Yuh Lou, Ben Jei Tsuang, Hsien Wen Chen, Ruo Shan Tseng, Yiing Jang Yang

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

9 引文 斯高帕斯(Scopus)

摘要

The Taiwan Strait (TS) directly connects two of the richest fishing grounds in the world - the East China Sea (ECS) and the South China Sea (SCS). Carbon and nutrient supplies are essential for primary production and the Yangtze River is an important source for the ECS. However the ECS is severely P-limited. The TS transports an order of magnitude more carbon and a factor of two more phosphate (P) to the ECS than the Yangtze River does. To evaluate the temporal variability of these supplies, the total alkalinity (TA), dissolved inorganic carbon (DIC), nitrate plus nitrite (N), P, and silicate (Si) fluxes through the TS were estimated using empirical equations for these parameters and the current velocity, which was estimated using the Hybrid Coordinate Ocean Model (HYCOM). These empirical equations were derived from in situ salinity and temperature and measured chemical concentrations that were collected during 57 cruises (1995–2014) with a total of 2096 bottle samples. The 24-month moving averages of water, carbon, and nutrient fluxes significantly increase with time, so does the satellite chlorophyll a concentration. More importantly, the increased supply of the badly needed P from the TS is more than that from the Yangtze River.

原文英語
文章編號5648
期刊Scientific reports
9
發行號1
DOIs
出版狀態已發佈 - 2019 十二月 1

ASJC Scopus subject areas

  • 多學科

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