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Remote sensing

机译:遥感

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摘要

This work examines the response of the upper ocean during the passage of cyclone Thane (December 25-30, 2011) over the Bay of Bengal. Observations from a moored buoy are employed to assess the changes in the upper 100 m depth of the ocean. Observations revealed strong temperature inversion prevailing in this region. The temperature inversion resulted in varying response in the subsurface, with warming in the upper 40 m depth and cooling in the depths of 40-80 m at the moored buoy location. Analysis of subsurface temperature and salinity revealed the signatures of vertical mixing induced by Thane. The subsurface currents are observed as strongly responding to the cyclone winds. Analysis revealed that the influence of Thane was generally confined to within 100 m depth. Intense biological response is revealed along the track of the cyclone. However, the bloom is localized in two distinct regions: one in the central Bay and other off the southwestern coastal region. This is attributed to the intense Ekman pumping velocity, slow translation speed and the availability of nitrate concentration in the shallow coastal waters.
机译:这项工作审查了上海在孟加拉湾(2011年12月25日至30日)在Cyclone Thane(2011年12月25日至30日)中的响应。采用停泊浮标的观察来评估海洋100米深度的变化。观察结果揭示了该地区的强烈温度反转。温度倒置导致地下的响应变化,在停泊的浮标位置的高度40米深度和冷却深处温暖,冷却在40-80米的深处。地下温度分析和盐度揭示了相当于垂直混合的签名。观察到地下电流强烈响应旋风风。分析表明,差异的影响通常限制在100米深度范围内。沿旋风分离器的轨道揭示了强烈的生物反应。然而,盛开是在两个不同的地区本地化:一个在中央海湾和西南沿海地区的其他地方。这归因于浅沿海水中的强烈Ekman泵送速度,慢速转换速度和硝酸盐浓度的可用性。

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  • 来源
    《Oceanographic Literature Review》 |2019年第5期|1148-1154|共7页
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  • 正文语种 eng
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