Change detection study of powai lake
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Changes in Land use and land Cover of Powai Lake and its surroundings are highlighted here. The study has been carried out with the help of Remote Sensing and GIS techniques.
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Change detection study of powai lake
- 1. CHANGE DETECTION STUDY OF POWAI LAKE WITH HELP OF GEOSPATIAL TOOLS. By- Amrita Agrawal, M.A. Geography, Visiting Faculty, Dept. of Add-On and B.Voc., Nagindas Khandwala College, Malad (W)
- 3. ORIGIN OF THE RESEARCH PROBLEM LITERATURE REVIEW • Several news about changes in Powai Lake • Water: Unfit for drinking Powai Lake shows signs of deterioration
- 4. RESEARCH OBJECTIVES • To conduct a change detection study for the study area from the year 2000 to 2014 using Google Earth Imageries • To identify the changes and divide them into positive and negative changes • To identify the reasons for the changes and recommend solutions for the negative changes.
- 5. LIMITATIONS OF THE STUDY • Ground trothing could not be undertaken due to areal extent • Socio-economic survey of the surrounding area could not be undertaken due to time constraint • Micro level analysis has not been undertaken
- 6. WORKFLOW OF THE STUDY
- 7. RESULTS *Source: Results obtained in ArcMap v. 9.3
- 8. LAND-USE YEARWISE AREA (in sq. kms.) 2000 2007 2014 Lake 1187000 1311820 1296477 Wetland 859377 567538 622690 Vegetation 1715964 1746347 1633641 No. of Settlements 191 232 257 Table No: 01 Year Wise Area under Each Land Use (in sq. kms) *Source: Results obtained in ArcMap v. 9.3
- 9. CONCLUSION • The area under study is developing day by day, but, with a negative impact on the environment. • The lake is maintained to a certain level, but, needs more care. • Overall, the area has improved, but needs more care and monitoring.
- 10. RECOMMENDATIONS • Rigid lake Conservation Program • Continuous monitoring • THE COMPENSATORY AFFORESTATION FUND BILL, 2008 • Regular check on the number of species of flora and fauna • Angling should be carried on in an eco-friendly manner • Tourists must be made aware of their responsibilities • Lastly, the local residents can take up community planned actions and steps to prevent the lake from deterioration in a sustainable manner.