نتایج جستجو برای: hspf

تعداد نتایج: 114  

Journal: :IJAEIS 2012
Vladimir J. Alarcon William H. McAnally

This paper presents a methodology for estimating nutrient concentrations of total phosphorus (TP) and total nitrogen (TN) through the use of hydrological modeling, remote sensing datasets, and nutrient export coefficients. The strategy is applied to the Upper Tombigbee watershed, located in the northern region of the states of Mississippi and Alabama, USA. USGS GIRAS (1986), NASA MODIS MOD12Q1 ...

2008
Chansheng He Carlo DeMarchi Thomas E. Croley

The NOAA Great Lakes Environmental Research Laboratory, Western Michigan University, and the University of Michigan are jointly developing a physically based, spatially-distributed hydrology model to simulate spatial and temporal nonpoint source material distributions in the Saginaw Bay watersheds, which drains into Lake Huron. Multiple databases of meteorology, land use, topography, hydrograph...

2004
Mark Dougherty Randel L. Dymond Scott J. Goetz Claire A. Jantz

Accurate measurement of impervious surface (IS) cover is an essential indicator of downstream water quality and a critical input variable for many water quality and quantity models. This study compares IS estimates from a recently developed satellite imagery/land cover approach with a more traditional aerial photography/land use approach. Both approaches are evaluated against a high-quality val...

2010
Sujana Dhar Asis Mazumdar

The effects of global warming on India vary from the submergence of low-lying islands and coastal lands to the melting of glaciers in the Indian Himalayas, threatening the volumetric flow rate of many of the most important rivers of India and South Asia. In India, such effects are projected to impact millions of lives. As a result of ongoing climate change, the climate of India has become incre...

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