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Caspian Journal of Enviromental Sciences، جلد ۱۳، شماره ۱، صفحات ۵۳-۶۰
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عنوان انگلیسی Artificial neural network technique for rainfall temporal distribu-tion simulation (‍‍Case study: Kechik region)
چکیده انگلیسی مقاله Artificial neural networks (ANNs) have become one of the most promising tools for rainfall simulation since a few years ago. However, most of the researchers have focused on rainfall intensity records as well as on watersheds, which generally are utilized as input records of other hydro-meteorological variables. The present study was conducted in Kechik station, Golestan Province (northern Iran). The normal multi-layer perceptron form of ANN (MLP–ANN) was selected as the baseline ANN model. The efficiency of GDX, CG and L–M training algorithms were compared to improve computed performances. The inputs of ANN included temperature, evaporation, air pressure, humidity and wind velocity in a 10 minute increment The results revealed that the L–M algorithm was more efficient than the CG and GDX algorithm, so it was used for training six ANN models for rainfall intensity forecasting. The results showed that all of the parameters were proper inputs for simulating rainfall, but temperature, evaporation and moisture were the most important factors in rainfall occurrence.
کلیدواژه‌های انگلیسی مقاله Intensity, Rainfall, Algorithm, ANN, Kechik station
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نشانی اینترنتی http://cjes.guilan.ac.ir/article_203_23db44ea77c32ed10794f86ab127f630.pdf
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