نتایج جستجو برای: hydrologic engineering centre hydrologic modeling system hec hms

تعداد نتایج: 2784980  

2017
Ziya Zhang Victor Koren Michael Smith Seann Reed David Wang

Currently, the river forecasting system deployed in each of 13 River Forecast Centers of the National Weather Service primarily uses lumped parameter models to generate hydrologic simulations. With the deployment of the weather surveillance radar 1988 Doppler radars, more and more precipitation data with high spatial and temporal resolution have become available for hydrologic modeling. Hydrolo...

2002
Richard W. Katz Marc B. Parlange Philippe Naveau

The statistics of extremes have played an important role in engineering practice for water resources design and management. How recent developments in the statistical theory of extreme values can be applied to improve the rigor of hydrologic applications and to make such analyses more physically meaningful is the central theme of this paper. Such methodological developments primarily relate to ...

2010
Jennifer M. Olszewski Jennifer Marie Olszewski Poornima Natarajan Sean O’Neil Hunho Kim Jessica Rajkowski Luke Johnson

Title of Document: THE HYDROLOGIC AND WATER QUALITY PERFORMANCE OF THE SLIGO-DENNIS BIORETENTION CELL. Jennifer M. Olszewski, Master of Science, 2010 Directed By: Professor Allen P. Davis Civil and Environmental Engineering Bioretention cells have been found to improve the hydrologic and water quality performance of impervious areas such as parking lots. The current study recorded hydrologic da...

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 ...

2014
Narayanan Kannan Jaehak Jeong Jeff Arnold Roger Glick Leila Gosselink Raghavan Srinivasan

Urban watersheds produce an instantaneous response to rainfall. That results in stormwater runoff in excess of the capacity of drainage systems. The excess stormwater must be managed to prevent flooding and erosion of streams. Management can be achieved with the help of structural stormwater Best Management Practices (BMPs). Detention ponds is one such BMP commonly found in the Austin, TX, USA....

2001
B. Ahrens

Highly resolved precipitation forecasts are necessary in many applications, especially in mountain meteorology and flash flood forecasts for smallto medium-sized alpine watersheds. Here we present precipitation forecasts simulated by the limited area model ALADIN applying different grid resolutions (1x = 10 km and 4 km). Target area of the investigations is the Alpine Ticino-Verzasca-Maggia wat...

2005
Matthew E. Baker Michael J. Wiley Paul W Seelbach

Riparian buffers have potential for reducing excess nutrient levels in surface water. Spatial variation in riparian buffer effectiveness is well recogrnzed, yet researchers and managers still lack effective general tools for understanding the relevance of different hydrologic settings. We present several terrain-based GIS models to predict spatial patterns of shallow, subsurface hydroiogic flux...

Journal: :Eos, Transactions American Geophysical Union 2011

Journal: :Water 2023

Hydrologic modeling in the watershed scale is a key topic field of hydrology [...]

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