Framework for urban flood vulnerability assessment Case of Bhopal

Rajshree Kamat, Rudrapriya Yadav

Abstract


Urban Flood impact is one of the most notable disasters in the world. Asia is considered to be the most vulnerable as more than half of global flood damages occurs over here. Causes of these floods are due to natural factors such as high floods, heavy rainfall and high tides, etc., and blocking of channels or aggravation of drainage channels, improper land use, deforestation in headwater regions, etc., are human factors The focus of this study is mainly upon the urban flooding scenarios. The paper is based on studying the physical and socio- economic indicators causing urban floods and their impacts on the city Bhopal. Since Bhopal has been repeatedly subjected to stress and strains of sudden increase and decrease in population. City being a highly urbanized Municipal area has given many challenges to be tackle through planning interventions. Urban floods are one those challenges.  Bhopal city has no significant history of urban floods. But from last one decade we have faced many situations of urban flooding during the monsoon season. The un-even distribution of rainfall coupled with Mindless urbanization, encroaching upon and filling up natural drainage channels and urban lakes to use the high-value urban land for buildings are the cause of urban flooding.

Vulnerability is the main construct in flood risk management. One of the most significant aims of flood vulnerability assessment is to make a clear association between the theoretical conceptions of flood vulnerability and the daily administrative process. Variety of indicators can be introduced to assess vulnerability therefore selection of more appropriate methodology is vital for authorities. The more accepted assessing method could be used to assess and identify the most vulnerable areas. This paper also includes a suitable framework to assess problematic flood vulnerability in urban areas.


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