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WATERBODIES EXTRACTION FROM LANDSAT8-OLI IMAGERY USING AWATER INDEXS-GUIED STOCHASTIC FULLY-CONNECTED CONDITIONAL RANDOM FIELD MODEL AND THE SUPPORT VECTOR MACHINE
Water index CRF Landsa Water extraction SVM
2018/5/15
One of the most important applications of remote sensing classification is water extraction. The water index (WI) based on Landsat images is one of the most common ways to distinguish water bodies fro...
INTEGRATION OF SATELLITE, GLOBAL REANALYSIS DATA AND MACROSCALE HYDROLOGICAL MODEL FOR DROUGHT ASSESSMENT IN SUB-TROPICAL REGION OF INDIA
VIC Soil Moisture Agricultural drought SMDI CCI
2018/5/15
Change in soil moisture regime is highly relevant for agricultural drought, which can be best analyzed in terms of Soil Moisture Deficit Index (SMDI). A macroscale hydrological model Variable Infiltra...
Assessment of Soil Loss Using WEPP Model and Geographical Information System
WEPP GIS Soil erosion Watershed
2015/8/14
Severe soil erosion has generally been regarded as a major cause of land degradation in arid and semi arid regions. A quantitative assessment of soil loss intensity is still scanty for developing appr...
Groundwater Flow Model and Particle Track Analysis for Selecting Water Quality Monitoring Well Sites,and Soil Sampling Profiles
Mechanic villages heavy metals modelling pollution studies Imo River basin
2015/8/14
Researchers often use only surface drainage (imperical method) as a tradition to locate sites for installation of water quality monitoring wells, and soil sampling profile for pollution studies in urb...
Derivation of Instantaneous Unit Hydrograph for a sub-basin using Linear Geomorphological Model and Geographic Information Systems
Geographic Information System GIS Linear Geomorphological Model LGM GIUH
2015/8/14
Rainfall is converted into runoff and reaches the river and it becomes river flow. Geomorphological Instantaneous Unit Hydrograph (GIUH) based approach, which uses the geomorphologic parameters, is us...
Effect of land use-based surface roughness on hydrologic model output
land use-based surface roughness hydrologic model coefficient Manning
2015/8/14
The Manning’s roughness coefficient (n) is commonly used to represent surface roughness in lumped and distributed hydrologic models. Model parameter sensitivity studies identify runoff response to be ...
Estimating land-use change impacts on direct runoff and non-point source pollutant loads in the Richland Creek basin (Illinois,USA) by applying the L-THIA model
land-use change runoff non-point source pollution hydrological model
2015/8/13
An export coefficient approach to hydrological and non-point source (NPS) pollution modeling enables quick and simple assessment of long-term impacts for planning purposes. An export coefficient and g...
Development of a Multivariate Regression Model for Soil Nitrate Nitrogen Content Prediction
linear regression multivariate statistics nitrogen NPS soil moisture spatial analysis visualization
2015/8/11
Although soil nitrate nitrogen (N) is a nutrient source for crop, it could be a potential nonpoint pollution source to the environment when its content remains high with an inappropriate management. S...
A Spatially Distributed Event-Based Model to Predict Sediment Yield
Runoff sediment yield Geographic Information System GIS remote sensing watershed event-based
2015/8/11
A study has been conducted in three sub-watersheds to model the spatial distribution of runoff and sediment yield. The basic structure of the model includes generation of runoff using SCS curve number...
Erosion Risk Assessment using an Empirical Model of Pacific South West Inter Agency Committee Method for Zargeh Watershed, Iran
MPSIAC Erosion Sediment Yield Iran
2015/8/11
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 ...
Model the effect of four artificial recharge dams on the quality of groundwater using geostatistical methods in GIS environment,Oman
artificial recharge TDS Total Dissolved Solid GPI Global Polynomial Interpolation IDW Inverse Distance Weighting TSA Trend Surface Analysis Kriging geostatistical analysis
2015/8/11
The geostatistical techniques of GPI, IDW and Kriging were applied in order to evaluate the use of these statistical approaches in GIS environment to examine artificial recharge dams and its effect on...
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...
Assessment of the Impact pf Mining on Agricultural Land using Erosion-Deposition Model and Space Borne Multispectral Data
Mining Agricultural Land Erosion-Deposition Model Space Borne Multispectral Data
2015/8/6
Since erosion of mine overburden and mine dump leads to its deposition down the slope in the catchment, an attempt was made to study the erosion-deposition pattern in a micro watershed in part of Goa ...
LINKAGE OF ARCVIEW GIS WITH THE RZWQM MODEL
geographic Information System quasi-distributed mathematical modeling
2015/8/6
The Root Zone Water Quality Model (RZWQM) is a one-dimensional, lumped field-scale model. It can simulate major physical, chemical, and biological processes in an agricultural crop production system. ...
Estimating sediment yield using Agricultural Non-Point Sources (AGNPS) model: The effects of slope information from different GIS softwares
Geographical Information System GIS slope information Sediment yield AGNPS model tropical catchment
2015/8/6
This study compares the effects of slope information derived from three GIS software on sediment yield as estimated using AGNPS model. The three GIS software are IDRISI for Windows, ERDAS Imagine and ...