Chlorophyll-a bloom along the southern coasts of Java']Java and Sumatra during 2006

被引:58
|
作者
Iskandar, I. [1 ]
Rao, S. A. [2 ]
Tozuka, T. [3 ]
机构
[1] Japan Agcy Marine Earth Sci & Technol, IORGC, Kanagawa, Japan
[2] Japan Agcy Marine Earth Sci & Technol, FRCGC, Kanagawa, Japan
[3] Univ Tokyo, Grad Sch Sci, Dept Earth & Planetary Sci, Tokyo 113, Japan
基金
日本学术振兴会;
关键词
INDIAN-OCEAN; DYNAMICS; BASIN;
D O I
10.1080/01431160802372309
中图分类号
TP7 [遥感技术];
学科分类号
081102 ; 0816 ; 081602 ; 083002 ; 1404 ;
摘要
Nine years of chlorophyll-a concentration data provided by the Sea-viewing Wide-Field of view Sensor (SeaWiFS) revealed an unusual bloom along the southern coastal area of Java and Sumatra during 2006. The bloom was generated by anomalous strong southeasterly winds along the coasts of Java and Sumatra associated with the Indian Ocean Dipole (IOD) event. The bloom evolution started in July 2006 and intensified during August 2006. Peak positive anomalies exceeding 4.0mgm-3 were evident in September-November coinciding with the peak phase of the IOD. The blooms, thereafter, diminished rapidly in December 2006. In addition, there was an offshore intensification of chlorophyll-a distribution off eastern Java during November initiated by upwelling-favourable winds along the coast. Concurrent altimeter data show that the offshore intensification was co-located with the cyclonic eddies that further enhanced the intensification by increasing the concentration of nutrients in the euphotic zone.
引用
收藏
页码:663 / 671
页数:9
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