پيش بيني زمان تاخير با استفاده از روابطي بر مبناي رگررسيون فازي

مسلم حیدری, سید جواد ساداتی نژاد, افشین هنربخش

چکیده


زمان تاخير حوزه آبخيز يک فاکتور مهم در مدلسازي واکنش حوزه آبخيز است. در اين مطالعه مدلسازي زمان تاخير با استفاده از رگررسيون فازي انجام شده است. براي اين منظور، داده هاي بارش - رواناب حوزه آبخيز خانميرزا جمع آوري و تحليل شدند. سپس وقايع (9 واقعه) به دو گروه شامل يک گروه براي ساخت روابطي برمبناي رگرسيون فازي و گروه ديگر براي ارزيابي اين روابط تقسيم شدند. نتايج بدست آمده از اين تحقيق برمبناي معيارهاي آماري خطاي نسبي و ريشه ميانگين مربع خطا نشان دادند که روابط جديد توسعه يافته برمبناي رگررسيون فازي نسبت به ديگر روابط موجود براي محاسبه زمان تاخير مناسب تر هستند.


واژگان کلیدی


زمان تاخير، رگرسيون فازي، هيدرولوژي

تمام متن:

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