There has been a steady shift towards modeling and model-based approaches as primary methods of assessing watershed response to hydrologic inputs and land management, and of quantifying watershed-wide best management practice (BMP) effectiveness. Watershed models often require some degree of calibration and validation to achieve adequate watershed and therefore BMP representation. This is, howe...

Traditionally, stream and sub-watershed characterization in GIS has been accomplished using a DEM-based terrain analysis approach; however, there is a large amount of existing vector hydrographic data difficult to accurately reproduce using DEMs. WaterNet is a GIS/hydrologic application for the integration and analysis of stream and sub-watershed networks in vector format. Even with vector data...

Rapid urbanization changes the land use/land cover pattern of a developing region. Due to these land surface changes, stream flow of the rivers also changes. It is important to investigate the factors affecting hydrological characteristics of the river basin for better river basin management planning. This study is aimed to understand the effect of Land Use/Land Cover (LU/LC) changes on stream ...

There are many reasons to develop a non-point source pollution prioritization system to determine which watersheds require the most attention. Once priority problem watersheds have been determined, an approach for directing specific actions is needed, i.e. targeting the specific areas of greatest potential erosion which can contribute to water quality degradation. Once targeted areas are identi...

Greenhouse commercial horticulture in Kenya started more than two decades ago and has evolved to be a significant sector to the national economy. So far no studies have explored the spatial patterns and dynamics of the area under greenhouse cultivation. Google Earth archives alongside data from various portals provided an opportunity to study those farms’ spatial distribution. The roles of sele...

The aim of this paper is to assess the extent which Sad-Kalan watershed in Iran participates floods and rank sub-watersheds terms flooding potential by utilizing multi-criteria decision-making approaches. We employed entropy a drainage network, stream power index (SPI), slope, topographic control (TCI), compactness coefficient (Cc) investigation. After forming decision matrix with 25 possibilit...

Drainage watershed morphometry plays a major role in terms of understanding flood dynamics. Flood potentials are explained considering the linear, areal, and relief features watersheds. In general, there number geomorphometric indices description these features. The formal geometries, geomorphology, geology, general climate characteristics, etc., which play decisive potential watershed, can be ...

In 1978, the Wisconsin Legislature committed to protecting water quality by enacting the Nonpoint Source Water Pollution Abatement Program. Through this program, cost-share money is provided—within priority watersheds—to control sources of nonpoint pollution. Most of the cost-share dollars for rural watersheds have been used to implement barnyard Best Management Practices (BMPs) because barnyar...