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Journal of Agricultural Science and Technology، جلد ۹، شماره ۴، صفحات ۳۰۳-۳۱۶
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عنوان انگلیسی ANN Modeling for Estimation of Surface and Subsurface Flows Based on Watershed Geomorphology
چکیده انگلیسی مقاله In recent years, artificial neural networks (ANNs) have been widely used for flood esti-mation. In this study, an ANN model based on the geomorphologic characteristics of a watershed such as the number of possible paths and their probabilities is developed (GANN model). Nodes in the input layer are allocated to the surface flows, subsurface flows, excess-rainfall and infiltrated rain. The number of nodes related to excess rainfall is predetermined according to the time of concentration of the watershed. The dependability of the infiltrated rain and surface and subsurface flows on previous time steps are calcu-lated by assigning a different number of nodes to each component. The results of the study showed that the simulated hydrographs by the proposed ANN model have good agreement with the hydrographs observed.
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نویسندگان مقاله محمدرضا نجفی | m r
department of irrigation, faculty of soil and water engineering, campus of agriculture and natural resources, university of tehran, karaj, box 31587-11167, islamic republic of iran.
سازمان اصلی تایید شده: دانشگاه تهران (Tehran university)

k t lee | k t
department of river and harbor engineering, national taiwan ocean university, 2 bee-ning road, keelung, taiwan 202, roc.

سید محمد حسینی | s m
department of irrigation, faculty of soil and water engineering, campus of agriculture and natural resources, university of tehran, karaj, box 31587-11167, islamic republic of iran.
سازمان اصلی تایید شده: دانشگاه تهران (Tehran university)

نشانی اینترنتی http://jast.modares.ac.ir/article_4446_c4b0ec3417fa9732c6272be06ccf2532.pdf
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/476/article-476-495005.pdf
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زبان مقاله منتشر شده en
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