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Preliminary studies on HAB monitoring in the Persian Gulf and Oman Sea using remote sensing data from ocean color sensor MODIS

Remote sensing from satellite is a suitable way to observe surface waters phenomena. A red tide event occurred from early autumn 2008 until early spring 2009 in the Persian Gulf, Oman Sea and Strait of Hormuz. In this research, we utilized data of the ocean color sensor MODIS on satellite Aqua. With analysis of this data we made temperature, red tide index and chlorophyll-a images of the Persian Gulf and Oman Sea during the red tide event. Results of this research showed that lower water temperatures traced propagation of the bloom. High density blooms occurred mainly off populated industrial cities, and the main Persian Gulf current caused seemed to cause their transport to the western region. The highest bloom density detected by the satellite was observed in the northern Strait of Hormuz.