Abstract
Abstract This paper presents some results of studies made with NOAA Advanced Very High Resolution Radiometer (AVHRR) data in the fields of agriculture, hydrology and oceanography in Bangladesh. The techniques of processing the raw image data are also discussed. The data for four different dates in 1984 and 1985 have been used. The 1984 data were obtained from NOAA/NESDIS of U.S. A. and the 1985 data were received in real time at the SPARRSO Meteorological Satellite Ground Station. Data from the AVHRR channels 1 and 2 were used to calculate the vegetation index (normalized) which was found to be a useful tool for monitoring vegetation conditions from time to time. These data have also application in monitoring and studying flood conditions in and outside the country. The thermal channels of the AVHRR (channels 4 and 5) have been used for calculating the surface temperatures of the Bay of Bengal. These channels revealed some noteworthy surface features in the Bay.
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