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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...
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...
A Spatial Technique for Estimating Streambank Erosion Based On Watershed Characteristics
Geographic Information System GIS watershed modeling streambank erosion sediment transport
2015/8/6
A GIS-based technique was developed for estimating streambank erosion rates for more accurately predicting total sediment loads at the watershed scale without the use of detailed field data. This tech...
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...
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 ROBUST PCT METHOD BASED ON COMPLEX LEAST SQUARES ADJUSTMENT METHOD
Complex Least Squares Polarimetric interferometric SAR (POLInSAR) Polarization Coherence Tomography (PCT) Vegetation height inversion
2014/4/24
Polarization Coherence Tomography (PCT) method has the good performance in deriving the vegetation vertical structure. However,
Errors caused by temporal decorrelation and vegetation height and grou...
Global land-surface evaporation estimated from satellite-based observations
Global land-surface satellite-based observations evaporation estimated
2011/3/14
This paper outlines a new strategy to derive evaporation from satellite observations. The approach uses a variety of satellite-sensor products to estimate daily evaporation at a global scale and 0.25 ...
Neural network rainfall-runoff forecasting based on continuous resampling
Neural network rainfall-runoff forecasting continuous resampling
2009/12/4
Most neural network hydrological modelling has used split-sample validation to ensure good out-of-sample generalisation and thus safeguard each potential solution against the danger of overfitting. Ho...
Fuzzy set based error measure for hydrologic model evaluation
Fuzzy set error measure hydrologic model evaluation
2009/12/4
Traditional error measures (e.g. mean squared error, mean relative error) are often used in the field of water resources to evaluate the performance of models developed for modeling various hydrologic...
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...
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...
Runoff Pattern and Peak Flows from Moving Block Rains Based on a Linear Time-Area Curve
Runoff Pattern Peak Flows Moving Block Rains Linear Time-Area Curve
2009/10/28
One of the most outstanding problems within urban drainage is to give a
statistically correct description of the runoff effect from areal and temporal
distributed rain storms. Due to the large numbe...
An Automatic Precipitation Gauge Based on Vibrating-Wire Strain Gauges
Automatic Precipitation Gauge Vibrating-Wire Strain Gauges
2009/10/27
The Norwegian Geotechnical Institute, NGI, has recently developed and
tested a new automatic precipitation gauge for rain and snow which can measure
accumulated precipitation with a resolution bette...
Reconstructed Runoff from the High Arctic Basin Bayelva based on Mass-Balance Measurements
High Arctic Basin Bayelva Mass-Balance Measurements
2009/10/26
The river Bayelva drains a catchment area of 31.5 km2 in the Kongsfjord area close to the research station Ny-Ålesund (79° N 12°E) on the northwest coast of Spitsbergen. The basin is 54% glacier...
A Method Based on Taking the Average of Probabilities to Compute the Flow Duration Curve
Method Average of Probabilities Flow Duration Curve
2009/10/23
In this study a method based on taking the average of the probabilities is presented to obtain flow duration curve. In this method the exceedance probability for each flow value is computed repeatedly...