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Ensafi Moghaddam, Tahereh, Mohammadkhan, Shirin. (1395). An estimation of Thornthwaite monthly water-balance in Mighan sub-basin. , 3(1), 71-80. doi: 10.22059/jnec.2017.216461.54
Tahereh Ensafi Moghaddam; Shirin Mohammadkhan. "An estimation of Thornthwaite monthly water-balance in Mighan sub-basin". , 3, 1, 1395, 71-80. doi: 10.22059/jnec.2017.216461.54
Ensafi Moghaddam, Tahereh, Mohammadkhan, Shirin. (1395). 'An estimation of Thornthwaite monthly water-balance in Mighan sub-basin', , 3(1), pp. 71-80. doi: 10.22059/jnec.2017.216461.54
Ensafi Moghaddam, Tahereh, Mohammadkhan, Shirin. An estimation of Thornthwaite monthly water-balance in Mighan sub-basin. , 1395; 3(1): 71-80. doi: 10.22059/jnec.2017.216461.54

An estimation of Thornthwaite monthly water-balance in Mighan sub-basin

Natural Environment Change
مقاله 7، دوره 3، شماره 1، فروردین 2017، صفحه 71-80    اصل مقاله (664.15 K)
نوع مقاله: Scientific and Research
شناسه دیجیتال (DOI): 10.22059/jnec.2017.216461.54
نویسندگان
Tahereh Ensafi Moghaddam* 1؛ Shirin Mohammadkhan2
1Research Institute of Forests and Rangelands, , Agricultural Research Education and Extension Organization (AREEO), Tehran, Iran.
2Associate Professor, University of Tehran, Iran
چکیده
Water resources in arid and semi-arid regions are heavily influenced by climate change, water shortage, water regulations, and increased water demands. Monthly discharge is one of the most important factors in hydrological studies. Some of the basins are not equipped with adequate hydrometric equipment. In such a case, average monthly discharge could be estimated by regional monthly water balance models of representative basins. In this study, the following collection of data including: temperature, precipitation and average monthly discharge, and the potential evapotranspiration was calculated by Thornthwaite equations. Remaining parts of water balance equation including: Actual evapotranspiration, soil moisture supply of the area in each month and later months are also estimated via Thornthwaite model. The net water requirements were estimated using the model by assuming that evaporation is the only path for water loss. The results have indicated that timing of recharge is very important in preserving sub-basin hydrology in this region. This modified climate diagram prompts an intuitive understanding of the relationship between recharge and consequent wet spell in Mighan sub-basin of Arak. It may be used as a standard tool to determine adequate water demand in water resources management of the arid regions for wetland protection or restoration.  
کلیدواژه‌ها
Evaporation؛ monthly water balance؛ Mighan sub-basin؛ Thornthwaite؛ water resources
مراجع
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