نتایج جستجو برای: runoff coefficient
تعداد نتایج: 183142 فیلتر نتایج به سال:
Modeling of hydrological processes provides appropriate information for watershed management through a deep and comprehensive insight on watershed systems. In this research a daily basis distributed water balance model for the Chehelchay watershed in the Golestan province in north east of Iran has been developed using the PCRaster GIS and dynamic modelling language. Various components of the wa...
Flood is one of the natural disaster phenomena and flood prediction is very important. The rainfall-runoff process and flood are physical phenomena that these analyses are difficult due to the influence of various parameters. There are different methods and models for these phenomena analysis. This study is carried out for rainfall-runoff process simulation using artificial neural network (ANN...
The advantages of using multispectral remotely sensed data instead of CORINE Land Cover for the modelling of nitrate concentrations in the leachate of the Rur catchment are presented and discussed in this paper. In this context it has been shown that the identification of main crops and annual crop rotation in the Rur catchment by SPOT, LANDSAT and ASTER imagery provides the key for a spatial a...
By increasing the intensity of rainfall, runoff, which is considered as a very important factor in soil erosion process, occurs. Climate, geometrical characteristics of watershed, geological formations, soil, vegetation and land use are among factors affecting runoff generation. Although in plots under rainfall simulation, the experiment time is more limited and the effect of rainfall duration ...
Abstract Jefferson County in Texas has experienced devastating storms recent years resulting billions of dollars damages. The county gone through temporal milestones terms population growth and industrial development. Many studies have shown that urban development increases the risk flooding by decreasing soil infiltration capacity. current study focuses on estimating extent to which led increa...
Abstract The phenomenon of flooding that occurs in almost all regions the earth causes loss property and damage to public facilities many human lives. There are reports related with various solutions offered overcome flood problem. However, it seems these efforts have not been able eliminate Hydrologists widely reported factors cause an extensive scope. Therefore, this paper is limited discussi...
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