Sedimentation Analysis and Estimation of Erosion for Upper Lake Bhopal
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Today world is facing various alarming problems due to industrialization, environmental change, infringement of population, variation in the intensity and duration of precipitation. One of the important water body which lies in the core of India is Upper Lake, Bhopal that provides irrigation facility, potable water and is also the center of attraction for tourist. Regular soil erosion from the watershed of the Lake resulted in the deposition of sediments further reduction in its capacity. In this study soil erosion from watershed has been assessed utilizing Universal soil loss equation and USP...
Today world is facing various alarming problems due to industrialization, environmental change, infringement of population, variation in the intensity and duration of precipitation. One of the important water body which lies in the core of India is Upper Lake, Bhopal that provides irrigation facility, potable water and is also the center of attraction for tourist. Regular soil erosion from the watershed of the Lake resulted in the deposition of sediments further reduction in its capacity. In this study soil erosion from watershed has been assessed utilizing Universal soil loss equation and USPED model and the sediments deposited in the lake had been evaluated using satellite image analysis. The sedimentation occurring per year is 580000 m3 and the volume of soil deposited come out to be 355855 m3. From this we observe that sedimentation occurs due to soil erosion is around 69.8 %. Various Conservative measures have been also discussed. Drinking water supplied by Upper Lake Bhopalis 140000 m3 of water daily which is 40% of the total water supply in the city. If we can reduce the sedimentation in the Upper Lake it can fulfil the needs of the Local public.
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