The hydrological analysis carried out for the Orr watershed
confirms that the watershed is having low relief and elongated
shape. Drainage network of the basin exhibits as mainly dendritic
type which indicates the homogeneity in texture and lack
of structural control and helps understand various terrain
parameters such as nature of the bedrock, infiltration capacity,
runoff, etc. Lower drainage density and stream frequency indicate
high permeability rate of the subsurface formation. The
observed parameters reveal recharge-related measures and
areas where surface-water augmentation measures can be
undertaken for water resource management and soil conservation
structures. Large scale watershed analysis using GIS,
remote sensing data and Digital elevation Model (DEM) has
efficient tools for understanding any terrain parameters such
as nature of bedrock, infiltration capacity, surface run off
etc., which helps in better understanding the status of land
form and their processes, drainage management and evolution
of groundwater potential for watershed planning and management.
This work will be useful for natural resource management
at the micro level of any terrain for sustainable
development by planners and decision makers for sustainable
watershed development programme
The hydrological analysis carried out for the Orr watershedconfirms that the watershed is having low relief and elongatedshape. Drainage network of the basin exhibits as mainly dendritictype which indicates the homogeneity in texture and lackof structural control and helps understand various terrainparameters such as nature of the bedrock, infiltration capacity,runoff, etc. Lower drainage density and stream frequency indicatehigh permeability rate of the subsurface formation. Theobserved parameters reveal recharge-related measures andareas where surface-water augmentation measures can beundertaken for water resource management and soil conservationstructures. Large scale watershed analysis using GIS,remote sensing data and Digital elevation Model (DEM) hasefficient tools for understanding any terrain parameters suchas nature of bedrock, infiltration capacity, surface run offetc., which helps in better understanding the status of landform and their processes, drainage management and evolutionof groundwater potential for watershed planning and management.This work will be useful for natural resource managementat the micro level of any terrain for sustainabledevelopment by planners and decision makers for sustainablewatershed development programme
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