Urban Flood Susceptibility Mapping of Kochi Taluk Using Remote Sensing and GIS

2021 Fourth International Conference on Electrical, Computer and Communication Technologies (ICECCT) Pub Date : 2021-09-15 DOI:10.1109/icecct52121.2021.9616790

Shilpa Shreekumar, Dhanya Madhu, Aswani Kumar Akella

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引用次数: 2

Abstract

Urban flooding is a rising global issue which can cause significant environmental, social, economic and human losses. The primary reason for the occurrence of floods in Indian cities is high intensity rainfall. There are several other factors which play a vital role in the occurrence of urban floods like elevation, slope, land use/ land cover (LULC), etc. This project aims to identify the geospatial factors that are associated with urban flooding and produce an urban flood susceptibility map for Kochi taluk using remote sensing and geographical information system (GIS). The susceptibility mapping and its analysis was done from remotely sensed images with the help of GIS-based multi criteria decision making (MCDM) approach. Analytical Hierarchy Process (AHP) technique in integration with Geographical Information System (GIS) and Weighted Overlay Analysis had been incorporated to classify the land for urban flood susceptibility. The percentage area of highly susceptible land in Kochi increased from 24.10 % to 58.91 % for the years 2008 and 2018

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基于遥感和GIS的高知塔鲁克城市洪水易感性制图

城市洪水是一个日益严重的全球性问题，可能造成重大的环境、社会、经济和人类损失。印度城市发生洪水的主要原因是强降雨。还有其他几个因素在城市洪水的发生中起着至关重要的作用，如海拔、坡度、土地利用/土地覆盖(LULC)等。本项目旨在利用遥感和地理信息系统(GIS)确定与城市洪水相关的地理空间因素，并为高知塔鲁克绘制城市洪水易感性图。利用基于gis的多准则决策(MCDM)方法对遥感影像进行敏感性制图和分析。将层次分析法(AHP)与地理信息系统(GIS)和加权叠加分析法相结合，对城市洪水易发土地进行分类。高知县高易感土地面积百分比从2008年的24.10%增加到2018年的58.91%

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2021 Fourth International Conference on Electrical, Computer and Communication Technologies (ICECCT)

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