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PG - MGEO - Studio - 2 | Spring 2022 | Assessing Urban Floods using GIS & Remote Sensing
  • Student VIKHYAT GUPTA
  • Code PGE21399
  • Faculty Technology
  • Tutor/s Shaily Gandhi,Dipak Samal,Jyothi Gupta
  • TA Ashishkumar Upadhyay

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The study focuses on the increasing trend of urban floods in India by taking Gandhinagar as the study area. In 2017 around 1200 mm of rainfall had happened in Gandhinagar during the monsoon season which flooded various sectors of the city hence, this study was carried out to determine vulnerable sectors of the city. The study began by analyzing rainfall patterns in the city and then vulnerable sectors were determined by taking physical factors like elevation, slope, etc. into consideration. After determining vulnerable sectors, it was validated using the flood map of 2017 which was developed using a SAR image.

Introduction to thematic area and formulation of Aim & Objectives.
Materials and Method.
Rainfall data analysis and generation of matrix chart.
Statistical test to determine a trend in rainfall.
Reclassification of Elevation & Slope.
Reclassification of Distance to river and Land Use
Impervious Area & Computation of Weights.
Vulnerability Map & Determination of Vulnerable Sectors.
Inundated sectors of the 2017 flood
Validation of vulnerable map with inundated map of 2017.