USE OF REMOTE SENSING TECHNOLOGY FOR LOCATING STRUCTURES
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Transcript of USE OF REMOTE SENSING TECHNOLOGY FOR LOCATING STRUCTURES
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USE OF REMOTE SENSING TECHNOLOGY FOR LOCATING STRUCTURES FOR WATER
RESOURCES MANAGEMENT
By Er. Prem Ranjan
M. Tech (Soil & Water Engineering)College of Agricultural Engineering & Post
Harvest Technology, Ranipool, Sikkim
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One of the district of Sikkim Area having 750 Km2
Survey shows several water scarcity problem
During surveys it shows that people are paying as high as Rs 2,400 /- per month for 2,000 lit of water
South Sikkim
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To locate structures Ideal location should be identified
where water is available Construction of structures can
provide sustainable near area
Criteria for water resource management
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Steep slope Less soil depth Presence of high sand content Under laid by metamorphic rocks
Reason for shortage of water
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Used DEM Map of 10 m Flow direction Flow accumulation Stream delineate Ordering stream no
To over come such situation we try to locate Perennial and Ephemeral stream in south district
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Fig. 1. DEM map of south Sikkim Fig. 2. Perennial stream 1st order
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Fig. 3. Perennial stream 2nd order Fig. 4. Ephemeral stream 1st order
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Fig. 4. Ephemeral stream 2nd order
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Observe this stream with different
map in Google platform for different time periods
odd season where water is available we have considered it as a perennial stream.
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To check whether the shown river is
flowing or not.(Drain) To check cross section of this image
with that location To get contact with people located on
those place to know that whether the flow is taking place for 12 month or not
Future Verification