The Multi-Scale Ultra-High Resolution (MUR) Sea Surface Temperature (SST) Data Set combines data from the Advanced Very High Resolution Radiometer (AVHRR), Moderate Imaging Spectroradiometer (MODIS) Terra and Aqua, and Advanced Microwave Spectroradiometer-EOS (AMSR-E) instruments in an optimal way to produce 1km global maps of sea surface temperature. Noticeable in the animation from January 1 2010 to December 31, 2011 are the high energy regions associated with the Western Boundary Currents of the Gulf Stream and the Kuroshio. Additionally one can see the major upwelling areas of the world’s oceans associated with the California, Peruvian/Chilean and South African Coasts. Winds blowing across the ocean surface push water away. Water then rises up from beneath the surface to replace the water that was pushed away. This process is known as “upwelling.” Water that rises to the surface as a result of upwelling is typically colder and is rich in nutrients. These nutrients “fertilize” surface waters, meaning that these surface waters often have high biological productivity. Therefore, good fishing grounds typically are found where upwelling is common. Credit: NASA/JPL Physical Oceanography DAAC (1:38 min) https://youtube/watch?v=1DNHRLgjLjA
Posted on: Mon, 08 Dec 2014 01:58:31 +0000
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