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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...
Assessing aquifer vulnerability to arsenic pollution using DRASTIC and GIS of North Bengal Plain:A case study of English Bazar Block, Malda District,West Bengal,India
DRASTIC vulnerability arsenic groundwater Malda West Bengal
2015/8/13
Geographic Information System (GIS) was utilized to apply a modified DRASTIC method to assess the aquifer vulnerability to pollution of English Bazar Block of Malda District, West Bengal, India. In th...
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...
Evaluation of Land Development Impact on a tropical Watershed Hydrology Using Remote Sensing and GIS
Land Development runoff HEC Water Resources GIS Remote Sensing
2015/8/11
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
AGNPS C factor erosion GIS Iowa T value water quality modeling
2015/8/11
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...
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...
Prediction of Ground Water Vulnerability using an Integrated GIS-based neuro-fuzzy techniques
Geographic Information System GIS
2015/8/6
There is a need to develop new modeling techniques that assess ground water vulnerability with less expensive data and which are robust when data are uncertain and incomplete. Incorporation of Geograp...
APPLICATION OF A RATIONAL MODEL IN GIS FOR FLOOD RISK ASSESSMENT IN ACCRA, GHANA
Flood Hazard Mapping GIS Integration
2014/11/12
Accra has been experiencing periodic flooding that affect properties and lives. The government
seeing the dangers involved has commissioned institutions such as Ministry of Works and
Housing, Town a...
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...
A SHARED DATABASE OF UNDERGROUND UTILITY LINES FOR 3D MAPPING AND GIS APPLICATIONS
GIS relational database underground utility lines
2014/4/24
For the purpose of facility management it is very important to have detailed and up-to-date databases of underground utility lines,
but such data are not always available with adequate accuracy. Hen...
A GIS methodology for the analysis of weather radar precipitation data
AGIS methodology analysis weather radar precipitation data
2009/12/4
A GIS multi-component module was developed within the ArcView GIS environment for processing and analysing weather radar precipitation data. The module is capable of: (a) reading geo-reference radar d...
A multiple linear regression GIS module using spatial variables to model orographic rainfall
multiple linear regression GIS module spatial variables orographic rainfall
2009/12/4
This paper aims to document the development of a new GIS-based spatial interpolation module that adopts a multiple linear regression technique. The functionality of the GIS module is illustrated throu...
Web-based GIS and spatial decision support system for watershed management
Web-based GIS spatial decision support system watershed management
2009/12/4
Geographic Information Systems (GIS) have been widely used for spatial data manipulation for hydrologic model operations and as a supporting tool to develop spatial decision support systems (SDSS). In...