نتایج جستجو برای: hydrological model

تعداد نتایج: 2114287  

2004
J. C. Schaake V. I. Koren

The model has a 2 layer structure with both a physical and statistical basis for the model parameters. It was developed to fill a need for models with a small number of parameters and of intermediate complexity between a one parameter simple bucket and more complex hydrologically oriented models with many parameters such as the Sacramento Soil Moisture Accounting model. The focus was to improve...

2017
Xianyong Meng Hao Wang Xiaohui Lei Siyu Cai Hongjing Wu Xiaonan Ji Jianhua Wang

Original scientific paper Hydrological simulation in meteorological ungauged areas has always been a difficult problem for the study on atmospheric and hydrological coupling; meanwhile, it is also one of the important factors that restrict model development and basin water resource knowledge. To analyze the mechanism of atmospheric and hydrological coupling, this study quantitatively evaluated ...

ژورنال: علوم آب و خاک 2018

River flow routing has been a significant issue in hydraulic engineering. The main goal of this research work was solving Saint-Venant equations by using the semi-implicit finite difference scheme and considering energy conservation principle at the discontinuous points of flow field. In this model, with the first order accuracy, the flux limiter scheme and Upwind for the scheme are used for th...

ژورنال: علوم آب و خاک 2014
بهره‌مند, عبدالرضا, زینی‌وند, حسین, مرادی‌پور, شهین, نجفی‌نژاد, علی,

Evaluation of hydrologic behaviour and soil erosion as an environmental crisis is important in order to maintain watershed ecological safety at optimum level. The aim of this study is to evaluate the performance of the distributed hydrological WetSpa model in simulating erosion and sediment transport and also sedigraph in Taleghan watershed, Iran. Base digital maps and daily meteorological time...

2016
Y. Goldsmith A. Ayalon

a r t i c l e i n f o a b s t r a c t The isotopic composition of precipitation (δ P) is one of the most widely used and informative terrestrial paleoclimate proxies. δ P integrates a series of hydrological processes; therefore, any interpretation of paleohydrology using δ P requires a thorough understanding and quantification of the full hydrological cycle. In this paper, we use modern data to...

2012
Yu-Pin Lin Nien-Ming Hong Li-Chi Chiang Yen-Lan Liu Hone-Jay Chu

The adaptation of land-use patterns is an essential aspect of minimizing the inevitable impact of climate change at regional and local scales; for example, adapting watershed land-use patterns to mitigate the impact of climate change on a region's hydrology. The objective of this study is to simulate and assess a region's ability to adapt to hydrological changes by modifying land-use patterns i...

2015
Bing Gao Yue Qin Yuhan Wang Dawen Yang Yuanrun Zheng James M. Vose

The Heihe River is the second largest inland basin in China; runoff in the upper reach greatly affects the socio-economic development in the downstream area. The relationship between spatial vegetation patterns and catchment hydrological processes in the upper Heihe basin has remained unclear to date. In this study, a distributed ecohydrological model is developed to simulate the hydrological p...

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