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:: Volume 11, Issue 39 (1-2018) ::
jwmseir 2018, 11(39): 69-76 Back to browse issues page
Effects of climate change on climate parameters in Seymare basin
Sohrab Naderi , Massoud Goodarzi , Mohammad Ghadami dehno
Isfahan University of Technology
Abstract:   (2288 Views)

The study is studied forecasts of precipitation and temperature values using general circulation models of the atmosphere in the period 2021-2050. Climate data was taken such as rainfall and average temperature of the Meteorological Organization. To prepare for future climate scenarios was used from general circulation model HadCM3 outputs under the A2 emissions scenario. Due to the low resolution general circulation models of small-scale model of SDSM4.2 use and climate changes in precipitation and temperature parameters were simulated mean for future periods. In this study, the model was calibrated SDSM, the 26 large-scale climatic parameters (NCEP) an average of 3 parameters most correlated with mean temperature and 6 parameters are most correlated with average rainfall Seymare basin. The results showed that the predicted climatic parameters for the simulation of climate parameters with high accuracy, but the average temperature of rainfall is less accurate. This is due to normal lack and unconditional of rainfall data. The results indicate that the average temperature of the area in the period 2050-2021 compared to the observation period (2008-1979) has been facing increasing 1.7 ° C and average rainfall areas showed a decrease of 47%.

Keywords: climate change, small-scale modeling, scenario, SDSM4.2, HADCM3 and NCEP
Full-Text [PDF 868 kb]   (595 Downloads)    
Type of Study: Research | Subject: Special
Received: 2015/04/30 | Accepted: 2016/09/18 | Published: 2018/01/7
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naderi S, Goodarzi M, ghadami dehno M. Effects of climate change on climate parameters in Seymare basin. jwmseir. 2018; 11 (39) :69-76
URL: http://jwmsei.ir/article-1-459-en.html

Volume 11, Issue 39 (1-2018) Back to browse issues page
مجله علوم ومهندسی آبخیزداری ایران Iranian Journal of Watershed Management Science and Engineering
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