Irrigation monitoring by following the water balance from NOAA-AVHRR thermal infrared data

Thermal infrared data from NOAA-AVHRR are used to map surface temperature with pixels of 1 km/sup 2/. Physical relationships give evapotranspiration from surface temperature and readily available meteorological parameters. Maps of evapotranspiration are then made for areas where sugarcane is dominant and are used to follow the water balance and to manage the irrigation for this crop.<
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