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WATERSHED – WAY TO SOURCE SUSTAINABILITY. Dhirenkumar Chavda Consultant – RDWP & WWM UNICEF - PHED. Climate. Geomorphology. Vegetation. Land uses. Albedo. Watershed hydrology. Watershed components. http://www.epa.gov/owow/watershed/whatis.html. Watersheds.

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WATERSHED – WAY TO SOURCE SUSTAINABILITY


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    1. WATERSHED – WAY TO SOURCE SUSTAINABILITY DhirenkumarChavda Consultant – RDWP & WWM UNICEF - PHED

    2. Climate Geomorphology Vegetation Land uses Albedo Watershed hydrology Watershed components

    3. http://www.epa.gov/owow/watershed/whatis.html Watersheds

    4. Hydrological cycle of a watershed

    5. WATERSHED ZONES

    6. Watersheds

    7. http://www.soils.umn.edu/academics/classes/soil2125/doc/s2chap5.htmhttp://www.soils.umn.edu/academics/classes/soil2125/doc/s2chap5.htm http://geohazards.cr.usgs.gov/wa/lsphotos1/photos4.html Watershed components: Geology • Bedrock • Type and distribution of soils

    8. http://soils.usda.gov/gallery/state_soils/ http://soils.usda.gov/gallery/state_soils/ http://www.nre.vic.gov.au/web/root/Domino/vro/vroimages.nsf/Images/gloss-ferr/ Geology: Soil permeability • The ease with which water penetrate or pass through a bulk mass of soil or a layer of soil

    9. Geology: soil pore space and water content • Total porosity of a soil determines maximum water content at saturation; soils within zone of aeration are seldom saturated. • Textural (primary) porosity: voids between aggregates. • Structural (secondary) porosity: voids within aggregates – fracture or poor zones http://wrgis.wr.usgs.gov/open-file/of99-168/Pp-limestone.jpg

    10. Geology: Groundwater vs. soil moisture • Groundwater: • Subsurface water in the zone of saturation that is free to move under the influence of gravity, often horizontally to stream channels • Soil Moisture: • Subsurface water in the unsaturated zone held in place by capillary forces

    11. Geology: moisture content of various soils

    12. Geology: Infiltration • Infiltration is the flow of water downward through the upper layers of soil

    13. Geology: infiltration capacity during a storm

    14. Before Storm • End of Storm • One day after • Two days after • Three days after Adopted from: http://www.nre.vic.gov.au/web/root/Domino/vro/vroimages.nsf/Images/gloss-ferr/ Geology: soil moisture profile after a rain event

    15. Geology: seasonal infiltration trends

    16. Geology: seasonal variation in watershed runoff

    17. Geology: Saturation and runoff generation

    18. LITHOLOGY GEOMORPHOLOGY STRUCTURE HYDROLOGY BASE Generation of ground water prospects map by integrating five layers using GIS

    19. Rajiv Gandhi National Drinking Water Mission project Implementation in Dhanbad district, Jharkhand National Remote Sensing Agency

    20. Watershed: Water budgets • Annual water budget for Lawrence Lake, Michigan, and Mirror Lake, New Hampshire

    21. THANK YOU