نوع مقاله : مقاله پژوهشی
نویسنده
کارشناس ارشد جغرافیایی طبیعی (هیدرواقلیم) دبیر آموزش و پرورش گرگان
چکیده
عنوان مقاله [English]
نویسنده [English]
In this study, using the statistical information of twenty-one years (during the period of 1964-1985) available in ten meteorological stations in Gorgan Province, the trend of potential evapotranspiration has been calculated according to various formula by the help of computer programs. In addition, after comparison of potential evapotranspiration with the evaporation from the tank, its equations have been calculated and analyzed for all studied stations.