نتایج جستجو برای: for simulation flood hydrograph
تعداد نتایج: 10497686 فیلتر نتایج به سال:
The flood on March 25, 2019 in the Quran Gate of Shiraz led to heavy human and financial losses. Studies of the current condition of the 25 km2 semi-urban watershed of the mentioned area were performed using the SCS semi-distributed rainfall-runoff model. Due to the big difference in average elevation of the Quran Gate watershed with synoptic and rain gauge stations in Shiraz, the precipitation...
Engineered flood bypasses, or simplified conveyance floodplains, are natural laboratories in which to observe floodplain development and therefore present an opportunity to assess delivery to and sedimentation within a specific class of floodplain. The effects of floods in the Sacramento River basin were investigated by analyzing hydrograph characteristics, estimating event-based sediment disch...
Remote sensing precipitation or from numerical weather prediction (NWP) is considered to be the best substitute for in situ ground observations flood simulations transboundary, data-scarce catchments. This research was aimed evaluate possibility of using a combination satellite product and NWP better forecasting transboundary Chenab River Basin (CRB) Pakistan. The gauge-calibrated product, i.e....
Flooding due to the failure of drainage systems is a serious problem for many urban watershed of Iran. This paper shows how flooding in urban drainage systems can be simulated by one- dimensional hydrodynamic modeling incorporating the interaction between (I) the buried pipe systems (II) the streets with open channel flow. The values of the NS, RMSE, and %BIAS statistics were also calculated to a...
The faecal indicator bacterium Escherichia coli and thermotolerant Campylobacter spp., which are potentially pathogenic, were investigated in the Toenepi Stream draining a pastoral catchment dominated by dairying. Bacteria concentrations were monitored routinely at fortnightly intervals over 12 months and intensively during storm events to compare the transport dynamics of bacterial indicator a...
Dam overtopping failure and the resulting floods are hazardous events that highly impact inundated areas less predictable. The simulation of dam breach flood wave propagation is necessary for assessing hazards to provide precautions. In present study, a two-dimensional HEC-RAS model was used simulate from hypothetical Al-Udhaim on River, Iraq, dam-break along 100 km downstream site scenario. ma...
Hydrological models are simplified representation of the real basin system, which helps to assess basin function in response to different inputs and better understanding of hydrological processes. The HEC-HMS model is one of the most important hydrological models for Flood estimating volumes and discharge in watersheds. In this research, the HEC-HMS hydrologic model was used to simulate the ...
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