搜索结果: 1-15 共查到“水文学 modeling”相关记录85条 . 查询时间(0.093 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...
Modeling hydrological response of the Upper Suriname river basin to climate change
Climate Change Climate Change Scenarios Geographic Information Systems Global Circulation Models Hydrologic Modeling Upper Suriname river basin
2015/8/13
The goal of this paper is to assess the impact of future climate change on the hydrological regime of the tropical Upper Suriname river basin (7,860 km2) located in Suriname. GCM based climate scenari...
An interface of drainage division for modeling wetlands and riparian buffers in agricultural watersheds
Drainage division DEM Geographic Information System GIS wetlands riparian buffers concentrated flow
2015/8/13
In a complex watershed, isolated wetlands, riparian wetlands and riparian buffers provide important functions such as flood attenuation and water quality improvement. For conservation purposes, it is ...
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...
Hydrologic modeling of the Upper Suriname River basin using WetSpa and ArcView GIS
Geographic Information Systems Hydrologic modeling
2015/8/11
A grid-based distributed hydrological model WetSpa, compatible with ArcView GeographicInformation Systems (GIS), was applied to the 7,860 km2 Upper Suriname River basin. Modelparameters were derived f...
Rainfall-Runoff Modeling for an Experimental Watershed of Western Greece Using Extended Time-Area Method and GIS
Rainfall-runoff modeling Forested watershed Time-area method Flow velocity
2015/8/11
In this study, an effort was made to simulate the transformation of rainfall into runoff, in a small experimental mountainous-forested watershed in western Greece. The main objective was the productio...
Hydrology and Water Balance of Devils Lake Basin: Part 2 - Grid-Based Spatial Surface Water Balance Modeling
water balance Devils Lake remote sensing Geographic Information System
2015/8/11
In this part of the study, grid-based spatial water balance approach was used to estimate the annual water balance of Devils Lake basin, hydrologically closed lake located in the Red River of the Nort...
Predicting runoff and phosphorus loads from variable source areas: A terrain-based spatial modeling approach
TOPMODEL Hydrological modelling terrain analysis surface water phosphorus
2015/8/11
Research has been conducted at Flaxley Agricultural Centre in South Australia to predict phosphorus loss in surface runoff from dairy pastures. Part of the research investigated if the topography base...
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: Thermal Maps and Vegetation Indices to Enhance Land Cover and Surface Microclimate mapping (part 1)
surface temperature vegetation indices Landsat land cover microclimate unsupervised classification
2015/8/6
The extent and type of watershed cover affects the movement of water in the hydrologic cycle, thus accurate representation of the physical and biological features of the landscape within the watershed...
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...
Remote sensing & GIS applications for drainage detection and modeling in agricultural watersheds
Remote Sensing GIS
2015/1/16
The primary objective of this research involves mapping out and validating the existence of sub surface drainage tiles in a given cropland using Remote Sensing and GIS methodologies. The process is de...