搜索结果: 1-15 共查到“水文测量 modeling”相关记录20条 . 查询时间(0.154 秒)
Practical use of SRTM digital elevation dataset in the urban-watershed modeling
SRTM-DEM Watershed modeling Hydrological model HEC-GeoHMS
2015/8/14
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...
Watershed Modeling Using GIS Technology: A Critical Review
Geographic Information System GIS hydrologic processes modeling watershed sensing
2015/8/14
Understanding and managing water resource problems involves complex processes and interactions within the watershed surface and subsurface. The imposition of total maximum daily load (TMDL) regulation...
Spatial Variability and Prediction Modeling of Groundwater Arsenic Distributions in the Shallowest Alluvial Aquifers in Bangladesh
Arsenic Bangladesh distribution spatial variability semivariogram prediction models
2015/8/13
Elevated arsenic in groundwater is the greatest environmental problem in Bangladesh. Spatial variability of arsenic in groundwater has been examined by semivariogram analysis that revealed high degree...
Modeling and Understanding the Relationship between Vegetation and Rainfall of a Tropical Watershed using Remote Sensing Data and GIS
NDVI rainfall modelling calibration verification
2015/8/13
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, viz...
Spatial Modeling for Hydrological Response Behavior of an Arid Watershed, India-Remote Sensing and GIS approach
land use land cover vegetation vigour runoff soil erosion remote sensing Geographic Information System GIS
2015/8/11
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...
Spatially Distributed Watershed Mapping and Modeling: GIS-based Storm Runoff and Hydrograph Analysis: (part 2)
Runoff Geographic Information System GIS curve number land-cover spatially distributed
2015/8/6
Advances in scientific knowledge and new techniques of remote sensing permit a better understanding of the physical land features governing hydrologic processes, and make possible efficient, large-sca...
Modeling Groundwater Flow for the Delineation of Wellhead Protection Area around a Water-well at Nachole of Bangladesh
Groundwater Flow Modeling Zone of Contribution Zone of influence Wellhead Protection Area
2015/8/6
Delineation of wellhead protection area is an important component of groundwater contamination protection strategy to prevent probable environmental and health hazards. Modeling of ground water infilt...
Modeling Groundwater Flow for the Delineation of Wellhead Protection Area around a Water-well at Nachole of Bangladesh
Groundwater Flow Modeling Zone of Contribution Zone of influence Wellhead Protection Area
2015/1/4
Delineation of wellhead protection area is an important component of groundwater contamination protection strategy to prevent probable environmental and health hazards. Modeling of ground water infilt...
Integrating Water Quality Modeling with GIS to Determine Management Strategies: A Study of Fort Gordon, GA
water quality modeling AGNPS (Agricultural Non-Point Source) GRASS (Geographic Resources Analysis Support System), GIS, land management, water resources
2014/11/12
Land managers of the Fort Gordon military installation in Augusta, GA were in need of a tool which
would predict the effects to water quality produced by changes in land use as well as predict
impac...
A COMPREHENSIVE GIS-BASED MODELING APPROACH FOR PREDICTING NUTRIENT LOADS IN WATERSHEDS
GIS watershed modeling TMDL nonpoint source pollution
2014/11/12
A comprehensive, GIS-based modeling approach was developed to enable accurate
prediction of nutrient loads in watersheds throughout the state of Pennsylvania; particularly those
watersheds for which...
Mapping snow depth return levels: smooth spatial modeling versus station interpolation
Mapping snow depth return levels smooth spatial modeling
2010/12/22
For adequate risk management in mountainous countries, hazard maps for extreme snow events are needed. This requires the computation of spatial estimates of return levels. In this article we use recen...
Water and nutrient balances in a large tile-drained agricultural catchment: a distributed modeling study
Water nutrient tile-drained agricultural catchment
2010/12/22
This paper presents the development and implementation of a distributed model of coupled water nutrient processes, based on the representative elementary watershed (REW) approach, to the Upper Sangamo...
Accessible integration of agriculture，groundwater，and economic models using the Open Modeling Interface (OpenMI)：methodology and initial results
Accessible integration agriculture groundwater economic models Open Modeling Interface
2010/4/7
Policy for water resources impacts not only hydrological processes, but the closely intertwined economic and social processes dependent on them. Understanding these process interactions across domains...
Integrated use of GIS-based field sampling and modeling for hydrologic and water quality studies
Integrated use GIS-based field samplingm and odeling hydrologic and water quality studies
2009/12/4
Enhancements to traditional catchment-scale water quality assessments can be realized by leveraging geographical information systems (GIS) for both field data collection and hydrologic and water quali...
Measurement and Modeling of Microwave Emission from Forested Snowfields in Michigan
Measurement Modeling of Microwave Emission Forested Snowfields
2009/10/28
Forest cover was found to confuse the normally inverse relationship between
microwave brightness temperature (TrJ) and snow depth in dry snowpacks in
the lower peninsula of Michigan during February ...