Algal Bloom off Tasmania

Credit: Jesse Allen; MODIS team; NASA, Posted on: Thursday, 4 November 2004, 07:54 CST Download full size image

The Aqua and Terra MODIS instruments helped scientists identify this large algal bloom off the eastern coast of Tasmania. Large blooms have not been detected in the Tasman Sea in the past, and scientists from CSIRO Marine Research, the largest marine research organization in Australia, believe this one resulted from the natural upwelling of nutrients along the island’s coast. The bloom is made up of coccolithophores, and is not believed to be harmful to the coastal ecosystem. MODIS imagery, such as the image above, revealed just how large this bloom is. The bloom forms bright blue-green clouds in the water that stretch from Flinders Island in the north down the entire east coast of Tasmania.

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