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首页> 外文会议>Remote Sensing of the Marine Environment; Proceedings of SPIE-The International Society for Optical Engineering; vol.6406 >A quantitative method for describing the seasonal cycles of surface chlorophyll in the Indian Ocean
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A quantitative method for describing the seasonal cycles of surface chlorophyll in the Indian Ocean

机译：描述印度洋表层叶绿素季节周期的定量方法

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摘要

The seasonal cycles of surface chlorophyll (SCHL) in the Indian Ocean (IO) are regionally described by means of 6 parameters: the timing of the bloom onset and of the bloom peak, and the integrated SCHL value in between these two extrema for both winter and summer blooms. This description, based on a climatology constructed from 7 years of SeaWiFS data, provides a regional image of the influence of the two monsoons on phytoplankton blooms. Over a large part of the basin, the seasonal cycle is characterized by two distinct growth periods, one in summer during the South West Monsoon (SWM), the other in winter during the North East Monsoon (NEM). However, in some specific areas such as the southwestern coast of India, there is no maxima during the NEM. The bloom areas during the SWM and the NEM show totally different regional patterns. Important lags in the timing of the blooms are identified, and are also associated with distinct regional patterns. The next step in the understanding of the SCHL seasonal cycles in the IO will be to relate the regional patterns of the timing and amplitude of the blooms with those of the physics of the IO.
机译：印度洋（IO）的表面叶绿素（SCHL）的季节性周期通过6个参数进行区域描述：开花开始和开花高峰的时间，以及两个冬季之间这两个极值之间的综合SCHL值和夏天的花朵。该描述基于从7年的SeaWiFS数据构建的气候学，提供了两个季风对浮游植物开花的影响的区域图像。在盆地的大部分地区，季节性周期的特征是两个明显的生长时期，一个在西南季风（SWM）夏季，另一个在东北季风（NEM）冬季。但是，在某些特定区域（例如印度西南海岸），NEM期间没有最大值。 SWM和NEM期间的开花区显示出完全不同的区域格局。可以确定开花时间的重要滞后，并且还与明显的区域格局有关。了解IO中的SCHL季节周期的下一步将是将大花的时间和幅度的区域模式与IO的物理模式联系起来。

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