نتایج جستجو برای: hydrologic model

تعداد نتایج: 2108408  

2012
R. T. Hanson L. E. Flint A. L. Flint M. D. Dettinger C. C. Faunt Dan Cayan Wolfgang Schmid

[1] Potential climate change effects on aspects of conjunctive management of water resources can be evaluated by linking climate models with fully integrated groundwater– surface water models. The objective of this study is to develop a modeling system that links global climate models with regional hydrologic models, using the California Central Valley as a case study. The new method is a suppl...

2006
S. Vicuna M. W. Hanemann L. L. Dale J. A. Dracup

Climate change is likely to affect the generation of energy from California’s high-elevation hydropower systems. To investigate these impacts, this study formulates a linear programming model of an 11-reservoir hydroelectric system operated by the Sacramento Municipal Utility District in the Upper American River basin. Four sets of hydrologic scenarios are developed using the Variable Infiltrat...

2010
Dazhi Mao Keith A. Cherkauer Dennis C. Flanagan

[1] Soil erosion models are usually limited in their application to the field scale; however, the management of land resources requires information at the regional scale. Large‐scale physically based land surface schemes (LSS) provide estimates of regional scale hydrologic processes that contribute to erosion. If scaling issues are adequately addressed, coupling an LSS to a physically based ero...

اشرف‌زاده, محمدرضا, مددی, حسین,

Effective river ecosystem management requires that the existing hydrologic regime be characterized in terms of the natural hydrologic regime and the degree to which the human-altered regime differs from natural conditions. This is known as Range of Variation Approach (RVA) and can be used for variation of stream flow, range of variation and appraisal of dam impacts on riparian zones. In this pa...

Journal: :Water 2022

This communication introduces HLM-Tetis, which is a model structure coupled to the Hillslope Link Model (HLM) framework developed by Iowa Flood Center. The was designed improve some limitations of previous HLM structures. following changes have been made: (1) modules simulate snow processes; (2) better flexibility infiltration and percolation; (3) more derive total runoff from partitioning over...

2008
Ming Ye Karl F. Pohlmann Jenny B. Chapman Greg M. Pohll Donald M. Reeves

Hydrologic analyses are commonly based on a single conceptual model. Yet hydrologic environments are open and complex, rendering them prone to multiple interpretations and conceptualizations. Considering conceptual model uncertainty is a critical process for the assessment of hydrologic uncertainty. This study assesses recharge and geologic model uncertainty for the Climax Mine area of the Neva...

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