نتایج جستجو برای: return periods
تعداد نتایج: 189176 فیلتر نتایج به سال:
Discharge routing as a mathematic process to forecast the changes of greatness, speed and form of flood wave is function of time in one or more points along drainage, canal or reservoir. Hydrologic and hydraulic methods are used to accomplish the flood routing. Although hydrologic method is less accurate than hydraulic methods but it is simpler to use in flood control and designing works with...
Discharge routing as a mathematic process to forecast the changes of greatness, speed and form of flood wave is function of time in one or more points along drainage, canal or reservoir. Hydrologic and hydraulic methods are used to accomplish the flood routing. Although hydrologic method is less accurate than hydraulic methods but it is simpler to use in flood control and designing works with...
climate change has various effects on the quantity of rainfall and warming also is lead to increases in frequency and intensity of droughts by accelerating earth drying up and consequently. it is effective on the curves of severity- duration- frequency of drought (sdf). the purpose of this study is to evaluate the effects of climate change on sdf curves in the future in qareh su basin located i...
Evaluating the correlation between changes in design rainstorms and extreme rainstorm events under climate change facilitates flood control disaster reduction. Based on daily rainfall data of 609 stations during 1958–2017, Pearson-III curve, least square method, F-test, other methods were adopted to study response over nearly 60 years China, explore capacity engineering change. The conclusions ...
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