搜索结果: 1-15 共查到“水文地理学 watershed”相关记录30条 . 查询时间(0.078 秒)
Prioritizing Vegetative Buffer Strip Placement in an Agricultural Watershed
AGNPS Buffer Strips Sediment Geographic Information System GIS
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2015/8/6
In this study, the Agricultural Nonpoint Source Pollution Model (AGNPS) was used to determine locations of vegetative buffer strip effectiveness on reducing sediment load within the East Bad Creek (EB...
Nitrogen, Phosphorus and Carbon Dynamics during Storms in a Glaciated Third-Order Watershed in the US Midwest
DOC nitrate phosphorus hydrology
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2015/1/16
The characterization of the nutrients nitrogen, phosphorus and carbon (NPC) export to streams during storms is an integral part of understanding processes affecting water quality. Despite the fact tha...
Effect of Stakeholder Attitudes on the Optimization of Watershed Conservation Practices
conservation practices optimization stakeholder attitudes
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2015/1/16
Land use alterations have been major drivers for modifying hydrologic cycles in many watersheds nationwide. Imbalances in this cycle have led to unexpected or extreme changes in flood and drought patt...
Practical use of SRTM digital elevation dataset in the urban-watershed modeling
Watershed modeling Hydrological model HEC-GeoHMS
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2015/1/8
The advent of satellite-based elevation dataset acquired by Shuttle Radar Topography Mission (SRTM) made new and novel techniques possible to model hydrological process in midsize to large scale water...
Modeling and Understanding the Relationship between Vegetation and Rainfall of a Tropical Watershed using Remote Sensing Data and GIS
NDVI rainfall modelling calibration verification
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2015/1/7
A model is developed to understand the relationship between satellite-derived NDVI and rainfall
data in a large tropical catchment. Two Fourier-based modeling techniques with a seasonal
component, v...
Estimating Spatial Curve Number for Hydrologic Response analysis of a small Watershed
Watershed modeling Geographic Information System GIS
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2015/1/6
An approach to estimate the curve number (CN) at each pixel unit of a satellite imagery, which is a key parameter in the widely used Soil Conservation Service Curve Number (SCSCN) hydrologic model, is...
Erosion Risk Assessment using an Empirical Model of Pacific South West Inter Agency Committee Method for Zargeh Watershed, Iran
MPSIAC Erosion Sediment Yield Iran
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2015/1/6
Watershed degradation due to soil erosion and sedimentation is one of the major environmental problems in Iran. In addressing the issue, a study on the validity of an empirical model of Pacific South ...
Watershed Physiography, Land Use, and Sediment Yield: A Case Study from Northwest Arkansas, USA
Sediment yield Land use Slope Arkansas
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2015/1/6
Precision echo sounder surveys of bathymetry and sediment thickness of Lee Creek Reservoir and Lake Shepherd Springs (northwest Arkansas) were combined with Geographic Information Systems (GIS) analys...
Spatial Modeling for Hydrological Response Behavior of an Arid Watershed, India - Remote Sensing and GIS approach
Geographic Information System GIS
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2015/1/5
The paper discusses the applications of satellite remote sensing and GIS on characterization and spatial modeling of runoff and soil erosion of Birantiya Kalan, an arid watershed in the district of Pa...
Evaluation of Land Development Impact on a tropical Watershed Hydrology Using Remote Sensing and GIS
Water Resources GIS Remote Sensing
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2015/1/5
Understanding how the land use change influence the river basin hydrology will enable planners to formulate policies to minimize the undesirable effects of future land use changes. Land cover changes ...
Support Soil Conservation Practices by Identifying Critical Erosion Areas within an American Watershed Using the GIS-AGNPS Model
T value water quality modeling
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2015/1/5
Eroded soil from overland is one of the major nonpoint pollution sources in many watersheds. The subsequent sediment not only reduces conveyance capacity of streams and usable storage volume of reserv...
NPS Assessment Model: An Example of AGNPS Application for Watershed Erosion and Phosphorus Sedimentation
Watershed AGNPS model Phosphorus Sedimentation
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2014/11/12
AGNPS, which is an agricultural non-point source pollution model, was used in combination with
GIS tools to assess the feasibility of water quality effluent trading for phosphorus, in Morrow Lake
su...
Informing the Vermilion River Watershed Plan through Application of the Cold Regions Hydrological Model Platform
Vermilion River Watershed Plan Application Cold Regions Hydrological Model Platform
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2014/4/2
The Vermilion River Basin has been identified as one of most altered basins in the North Saskatchewan River Basin by the North Saskatchewan Watershed Alliance. Of all the basin altering activities, we...
Topographic effects on solar radiation distribution in mountainous watersheds and their influence on reference evapotranspiration estimates at watershed scale
solar radiation distribution mountainous watersheds
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2010/12/22
Distributed energy and water balance models require time-series surfaces of the climatological variables involved in hydrological processes. Among them, solar radiation constitutes a key variable to ...
DERIVING LAND COVER OF A LARGE AGRICULTURAL WATERSHED FROM MULTI-TEMPORAL LANDSAT SCENES
Agricultural NonPoint Source Pollution large watersheds Thematic Mapper hydrologic models
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2009/10/13
Determining land-cover characteristics of large watersheds for use in hydrologic models has been enhanced by application of remotely sensed data and the technologies used to interpret them. The object...