application of remote sensing and gis for flood risk analysis: a case ...

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IRJC International Journal of Social Science & Interdisciplinary Research Vol.1 Issue 11, November 2012, ISSN 2277 3630 Most members of these communities are laborers, peasants and artisans belonging to backward or scheduled castes. Many of them work on meager daily wages and debt bondage is their way of life. When affected by the floods, they lost employment or their most valuable and often only asset, the household. Moreover, the disaster had a stark impact on the children, many of whom lost parents and other family members. They were in a very fragile environment that negatively impacted their physical, mental, and psychosocial development, and existing resources did not adequately meet their needs. Also there were no such sincere efforts to comprehend the position life of flood victims. No comprehensive study has been done in the above aspect generally human settlement development and its future expansion. Very little effort is made to plan for the probable floods; most of the studies are in disaster management and after flood emergency effort planning. Which involves the immediate disposal of budget and implementation of measures unscientifically? 4 Dileep Mavalankar , Amit Kumar Srivastava (2008) . Hence a systematic approach is needed to understand the causes and consequence s of flood and formulate effective measures against flood hazards. STUDY AREA In general most of the human settlements in Karnataka were established very near to the main river course and other water bodies with less knowledge of probable disasters. This study will investigate in a designated area of recent floods experienced in flood affected villages in Raichur district of northern part of Karnataka under Krishna and Tungabhadra river basin. In the recent devastating floods of October 2009 almost swept away 13 Districts of Karnataka state i.e. Belgaum, Bijapur, Dharwad, Gadag, Haveri, Karwar, Gulgarga, Bidar, Raichur, Bellary, Koppala, Bagalkote and Davangere. These floods created immense destruction of human life, property and crops. It left a trial of death and destruction with lakhs of people losing their belongings and their lives severely disrupted. The most destructive floods washed out several villages on the river banks, 6.55 lakh houses were devastated and crops in over 22 lakh hectares were inundated. 229 peoples lost their lives and 7882 live stocks perished. A total of 4292 villages were affected in various degree have caused a loss of over an estimated amount in rupees 18,500 crores that include both public and privately- owned properties. In the post flood measures about 345 villages were proposed to relocate with other kind of relief measures for less affected villages. Table showing the names of district and number of villages to be relocated: 55
IRJC International Journal of Social Science & Interdisciplinary Research Vol.1 Issue 11, November 2012, ISSN 2277 3630 The delineated area of study has been chosen to get proper representation of various types of conditions of flood damage. The Raichur district has both Krishna and Tungabhadra basin on either side. This will give ample scope for recommendation and study the varied conditions existing for flood mitigation proposals. 9 Study area prof ile; LOCATION & HISTORY: Raichur district is situated in north eastern part of Karnataka state. It falls in the northern maiden region, between 15º 33‟- 16º 34‟ North latitudes and 76º 14‟- 77º 36‟ East longitudes and also between the two major rivers namely the Krishna and the Tungabhadra. The district is bounded on the north by Gulbarga on the east by the Mahbubnagar district of Andhra Pradesh. Administrative divisions of the district are shown in Fig.1. 56
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