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首页> 外文期刊>International journal of remote sensing >Influence of eddies on the migratory routes of the sea turtles in the Bay of Bengal
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Influence of eddies on the migratory routes of the sea turtles in the Bay of Bengal

机译：涡流对孟加拉湾海龟迁徙路线的影响

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摘要

The movement of sea turtle Olive Ridley (Lepidochelys olivacea) during their post-nesting period is studied with reference to oceanic eddies delineated from satellite-derived maps of sea surface temperature (SST), chlorophyll-a and mean sea level anomaly in the northwestern Bay of Bengal. Four turtles tagged off the coast of Orissa, India with an Argos platform terminal transmitter (PPT) were tracked by satellites in April 2001. The animals were tracked from April to August 2001. Transmission from three PTTs terminated in June 2001 in the offshore waters of Orissa, while the remaining PTT 14577 continued transmission until 10 August 2001 as far as the east coast of Sri Lanka. The cyclonic eddy and high productive features observed in satellite data were associated with anticlockwise rotation made by the animals off the coast of Orissa prior to June 2001. The turtle with PTT 14577 migrated further south to the coast of Sri Lanka through the boundary between offshore dipole eddies. The satellite data indicated the influence of eddies on the migration pattern of sea turtles in the western Bay of Bengal.
机译：研究了海龟Olive Ridley（Lepidochelys olivacea）在巢后的运动，并参考了由卫星衍生的海面温度（SST），叶绿素-a和西北湾平均海平面距平图所描绘的海洋涡流。孟加拉国。 2001年4月，用卫星跟踪了在印度奥里萨邦以Argos平台终端发射器（PPT）标记的四只海龟。从2001年4月至2001年8月对动物进行了跟踪。2001年6月，三只PTT的传输在2001年6月终止于印度洋奥里萨邦（Orissa），而其余的PTT 14577继续传输到2001年8月10日，一直到斯里兰卡东海岸。卫星数据中观察到的旋风涡流和高产特征与2001年6月之前奥里萨邦海岸的动物逆时针旋转有关。携带PTT 14577的乌龟通过离岸偶极子的边界进一步向南迁移到斯里兰卡海岸漩涡。卫星数据表明，涡流对孟加拉西部海湾海龟的迁移方式有影响。

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