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Application of One- and Two-Dimensional Flow Models for an Evaluation of Riverine Wetland Hydrologic Functions
Preservation and restoration of wetland habitats require maintaining a desirable hydrologic regime. The criteria for such a hydrologic regime are established based on marsh inundation...

Distributed Parameter Hydrologic Modeling and NEXRAD for River Forecasting: Scale Issues Facing the National Weather Service
With the advent of NEXRAD (Next Generation RADar), the National Weather Service has the opportunity to move from current lumped parameter modeling to more of a distributed parameter hydrologic...

Dormant Season Evaporation: Challenges to the Current Models
Dormant season evaporation is a critical component of the hydrologic balance and can be considered as the winter period or the time in which there is not a crop actively growing. It is...

Hydraulic and Engineering Considerations in Designing Constructed Treatment Wetlands for a Lake Restoration
A 12,600 ha (31,000 acre) hypereutrophic lake in central Florida is being restored by constructing a 2,020 ha (5,000 acre) wetland filter to remove suspended sediments and particulate...

Statistical Distributions and Natural Hydrograph
For design projects in the water resources area, a hydrograph is commonly used to determine the flood volume generated by a given drainage basin. The division of total flow into direct...

Analysis of Bank Stabilization in Steep Complex Streams Using A Two-Dimensional Model
In cases where the channel is fairly uniform, and not divided, one-dimensional hydraulic models, such as HEC-2, generally give adequate results for scour evaluations and bank protection...

An Update on Surface Renewal Estimation of Evapotranspiration
The surface renewal (SR) method for estimating sensible heat flux density (H) has been shown to give good estimates of evapotranspiratiou (ET) when used in an energy balance equation with...

Groundwater Monitoring For a Tunneling Project
The Groundwater Monitoring and Management Plan, developed for the proposed tunnel reaches between Devil Canyon and City Creek, monitors and manages selected water resource features within...

Concept Ecology Integrated Project Engineering and Environment; Relating a Project to the Surroundings
The selected alignment of the 27.3 km long Veterans Expressway in Tampa, Florida was constructed for better access to the downtown area from a relatively rural but fast growing area of...

Evaluation of Modelling Needs for Central Valley Project Operations
The Bureau of Reclamations Central Valley Operations Office (CVO) has responsibility for planning, implementing, overseeing, and coordinating the various operations of the Central Valley...

Overview of Drought Response Strategies
An overview of drought response strategies in the United States is presented. The paper focuses on tactical strategies for mitigating the impacts of drought conditions. A general structure...

Water Conservation Definitions From a Hydrologic Viewpoint
The definition of water management principles needed to satisfy societys water use objectives requires the use of terms and definitions that clearly describe the effects of various water...

Rethinking Well Efficiency
Many authors have suggested ways to evaluate water well efficiency. Most of these have either compared some form of measured drawdown with theoretical drawdown or measured the fraction...

Hydrodynamic Simulations in Sediment-Carried Contaminant Modeling for the Buffalo River, New York
Accurate prediction of hydrodynamics is of great importance to modeling contaminant transport and water quality in a river and to estimating potential exposure contamination levels in...

Development of a Regional Atmospheric-Hydrologic Model for the Study of Climate Change in California
An integrated model of atmospheric and hydrologic processes at regional scale over California has been developed in order to translate the large scale atmospheric conditions of critical...

Estimation of Flash Flood Potential for Large Areas
A methodology for determining the potential for flash floods in small basins within large geographical areas is presented. Geographical Information Systems (GIS) technology is used to...

1995: Where the Past (Paleoflood Hydrology) Meets the Present, Understanding Maximum Flooding
Paleoflood hydrology has become accepted in the scientific, engineering, and regulatory communities and increasingly is being used to complement engineering hydrology throughout the Rocky...

The Importance of Plant Community Structure on Form and Function of Created Wetland Systems
If we consider that the creation and the restoration of a wetland system begins with the design of the hydrology, then establishing the form and function of a wetland begins with the design...

Indianapolis Uses New Radar Technology to Refine Hyetographs for CSO Model and SSES Studies
Indianapolis is the first city in the country to install the French-developed technology designed by urban hydrologists to accurately measure rainfall between rain gauges. Installed in...

Looking for Evidence of Climatic Change in Streamflow Time Series
The principle of stationarity of a streamflow time series has been very commonly assumed in the analysis of hydrologic time series. Some common types of non-stationarity in time series,...

 

 

 

 

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