Interannual variability of remotely sensed chlorophyll <i>α</i> during an autumn monsoon transitional period in the Taiwan Strait

ZHANG Caiyun; HONG Huasheng

doi:10.1007/s13131-014-0477-7

秋季季风转换期间台湾海峡遥测叶绿素a的年际变动

doi: 10.1007/s13131-014-0477-7

ZHANGCaiyun^1,,
HONGHuasheng²

1.
State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361005, China;Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystems, Xiamen University, Xiamen 361005, China
2.
State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361005, China

基金项目: The 973 Program Grant of China under contract No. 2009CB421201; the National Natural Science Foundation of China under contract Nos U1305231 and 40706041; the Natural Science Foundation of Fujian Province under contract No. 2011J01278; the Foundation of Key Laboratory of Marine Integrated Monitoring and Applied Technologies for Harmful Algal Blooms, State Oceanic Administration, under contract No. MATHAB20100313.

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出版历程
- 收稿日期: 2012-12-11
- 修回日期: 2013-06-21

Interannual variability of remotely sensed chlorophyll α during an autumn monsoon transitional period in the Taiwan Strait

ZHANG Caiyun^1
,,
HONG Huasheng²

1.
State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361005, China;Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystems, Xiamen University, Xiamen 361005, China
2.
State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361005, China

摘要

摘要: 利用2002-2012年秋季平均的MODIS/SeaWiFS叶绿素a、SST以及CCMP融合风场资料，分析并探讨了台湾海峡秋季（9-11月）季风转换期间叶绿素a的时空分布特征及其调控机制。分析表明在年际尺度上台湾海峡秋季叶绿素a呈现出南、北部海域、近岸和远岸的差异。整个台湾海峡海区秋季叶绿素a浓度主要由北部海区所贡献，其平均叶绿素浓度是南部海区的3.6倍。此外，秋季叶绿素a变化最显著的地方位于海峡内冷暖水交汇之处，其年际变动趋势在台湾海峡南、北部也不一样，冷暖水团间强弱的变动以及风混合分别是调控秋季台湾海峡叶绿素a年际变动的重要物理因素。在年际尺度上，La Nina事件对于台湾海峡秋季转风季节叶绿素a变动的影响相当复杂。
- 叶绿素a /
- 锋面 /
- 风混合 /
- 秋季 /
- 年际变动 /
- 台湾海峡
Abstract: The time series of multiple sources of satellite data are used to examine the interannual variability of chlorophyll α concentration (Chl α) and its relation to the physical environment during the autumn monsoon transitional period in the Taiwan Strait (TWS). The satellite data included the Chl α concentration and sea surface temperature (SST) derived from the Moderate Resolution Imaging Spectroradiometer (MODIS)/ Aqua as well as the multi-sensors merged wind products from 2002 to 2012. The results show that the average Chl α concentration of the whole TWS is mainly contributed by the northern TWS. The average Chl α in the northern TWS is 3.6 times that in the southern TWS. The maximum variability of Chl α is located in the frontal regions between the cold Zhe-Min Coastal Water and the strait warm water. The temporal change of Chl α concentration is different in the northern and southern TWS. The changes in the relative strength of the cold and warm water masses is suggested to be the dominant processes in controlling the phytoplankton growth in the northern TWS, while there is wind-induced mixing in the southern TWS. Additionally, La Niña events exhibited complex effects on the interannual variability of Chl α concentration in autumn. The longterm time series of physical and biological observations are especially needed to better understand how the TWS complex ecosystem responds to climate variations.
- chlorophyll α /
- front /
- wind-induced mixing /
- autumn /
- interannual variability /
- Taiwan Strait

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参考文献(28)

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文章访问数: 1287
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秋季季风转换期间台湾海峡遥测叶绿素a的年际变动

doi: 10.1007/s13131-014-0477-7

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Interannual variability of remotely sensed chlorophyll α during an autumn monsoon transitional period in the Taiwan Strait

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