نتایج جستجو برای: hydrologic performance

تعداد نتایج: 1056125  

2015
Mukesh Kumar Christopher J Duffy

Physics-based distributed hydrologic models (DHMs) simulate multiple hydrologic states at numerous locations within a watershed, and at fine time intervals [1-7]. As the spatio-temporal resolution of model simulation becomes finer and number of predicted hydrologic states becomes larger, model simulations become more and more computationally intensive, rendering solution of large problems intra...

2014
Marion E. Wittmann Roger M. Cooke John D. Rothlisberger David M. Lodge

Recently, authors have theorized that invasive species prevention is more cost-effective than control in protecting ecosystem services. However, quantification of the effectiveness of prevention is rare because experiments at field scales are expensive or infeasible. We therefore used structured expert judgment to quantify the efficacy of 17 proposed strategies to prevent Asian carp invasion of...

2007
I. Heinz J. R. Lund J. Andreu

Economic ideas and processes are becoming increasingly integrated with more traditional engineering and hydrologic models of water management problems. Combining economic management concepts and performance indicators with an engineering-level of understanding of a hydrologic system can provide results and insights more directly relevant for water management decisions and policies. When such mo...

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...

2008
Charles W. Downer

PURPOSE: The purpose of this System-Wide Water Resources (SWWRP) technical note is to describe the application of the Gridded Surface Subsurface Hydrologic Analysis (GSSHA) model at the Goodwin Creek Experimental Watershed (GCEW). The purpose of applying the model at this site was to confirm that the hydrologic portions of the code were working properly and were able to achieve accurate results...

Journal: :Ecology 2017
Xiaojing Wei Jessica A Savage Charlotte E Riggs Jeannine Cavender-Bares

Environmental filtering is an important community assembly process influencing species distributions. Contrasting species abundance patterns along environmental gradients are commonly used to provide evidence for environmental filtering. However, the same abundance patterns may result from alternative or concurrent assembly processes. Experimental tests are an important means to decipher whethe...

2013
Lorraine E Flint Alan L Flint James H Thorne Ryan Boynton

Introduction: Resource managers need spatially explicit models of hydrologic response to changes in key climatic drivers across variable landscape conditions. We demonstrate the utility of a Basin Characterization Model for California (CA-BCM) to integrate high-resolution data on physical watershed characteristics with historical or projected climate data to predict watershed-specific hydrologi...

Journal: :Water 2022

The application of the low impact development (LID) in a cold climate such as northeastern China is constrained by two unresolved research questions with regards to its infiltration potential through winter and varied runoff regimes between winters summers. This study picked typical residential district under construction Changchun, China, modeled storm drainage system without LID facilities ba...

2010
A. C. Hinnell T. P. A. Ferré J. A. Vrugt J. A. Huisman S. Moysey J. Rings M. B. Kowalsky

[1] There is increasing interest in the use of multiple measurement types, including indirect (geophysical) methods, to constrain hydrologic interpretations. To date, most examples integrating geophysical measurements in hydrology have followed a three‐step, uncoupled inverse approach. This approach begins with independent geophysical inversion to infer the spatial and/or temporal distribution ...

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