نتایج جستجو برای: hydrologic behaviour

تعداد نتایج: 185668  

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...

2014
Zeynep Karahaliloğlu Batur Ercan Eric N. Taylor Stanley Chung Emir B. Denkbaş Thomas. J. Webster

382 ©2014 Society for Biomaterials

محمدتقی دستورانی, ,

The potential of artificial neural network models for simulating the hydrologic behaviour of catchments is presented in this paper. The main purpose is the modeling of river flow in a multi-gauging station catchment and real time prediction of peak flow downstream. The study area covers the Upper Derwent River catchment located in River Trent basin. The river flow has been predicted (at Whatsta...

2015
Paschalis Koutalakis George N. Zaimes Dimitrios Emmanouloudis Konstantinos Ioannou Valasia Iakovoglou

Water resources management requires the knowledge of the environmental conditions and hydrologic processes. The development of Geographic Information Systems (GIS) has allowed the use of spatially and physically based hydrologic models in order to simulate the hydrology in a complicated natural system. It is very important to use such tools especially in regions with limited available data. In ...

2010
Seth J. Wenger Charles H. Luce Alan F. Hamlet Daniel J. Isaak Helen M. Neville

[1] Stream hydrology strongly affects the structure of aquatic communities. Changes to air temperature and precipitation driven by increased greenhouse gas concentrations are shifting timing and volume of streamflows potentially affecting these communities. The variable infiltration capacity (VIC) macroscale hydrologic model has been employed at regional scales to describe and forecast hydrolog...

2002
Daqing Yang Douglas L. Kane Larry D. Hinzman Xuebin Zhang Tingjun Zhang Hengchun Ye

[1] The long-term (1935–1999) monthly records of temperature, precipitation, stream flow, river ice thickness, and active layer depth have been analyzed in this study to examine Lena River hydrologic regime and recent change. Remarkable hydrologic changes have been identified in this study. During the cold season (October–April), significant increases (25–90%) in stream flow and decrease in riv...

2011
Michael N. Gooseff Diane M. McKnight Peter Doran Andrew G. Fountain W. Berry Lyons

The McMurdo Dry Valleys (MDV) of Antarctica are composed of nearly 2000 km of ice-free terrain, supporting a vibrant cold desert ecosystem despite harsh conditions. The ecosystem is largely regulated by the hydrologic cycle within the MDV, which is controlled by climate dynamics. The strength and timing of connections among the hydrologic reservoirs of the MDV (atmosphere, glaciers, soils and p...

Journal: :Journal of Water and Climate Change 2020

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