Estimation of structural vulnerability for flooding using geospatial tools in the rural area of Orissa, India

Praveen K. Thakur, Sreyasi Maiti, Nanette C. Kingma, V. Hari Prasad, S. P. Aggarwal, Ashutosh Bhardwaj

Research output: Contribution to journalArticleAcademicpeer-review

6 Citations (Scopus)

Abstract

Vulnerability assessment of natural disasters is a crucial input for risk assessment and management. In the light of increasing frequency of disasters, societies must become more disaster resilient. This research tries to contribute to this aim. For risk assessment, insight is needed into the hazard, the elements at risk and their vulnerabilities. This study focused on the estimation of structural vulnerability due to flood for a number of structural elements at risk in the rural area of Orissa, India (Kendrapara), using a community-based approach together with geospatial analysis tools. Sixty-three households were interviewed about the 2003 floods in 11 villages and 166 elements at risk (buildings) were identified. Two main structural types were identified in the study area, and their vulnerability curves were made by plotting the relationships between flood depth and vulnerability for each structural type. The vulnerability ranges from 0 (no damage) to 1 (collapse/total damage). Structural type-1 is characterized by mud wall/floor material and a roof of paddy straw, and structural type-2 is characterized by reinforced cement concrete (RCC) walls/floor and a RCC roof. The results indicate that structural type-1 is most vulnerable for flooding. Besides flood depth, flood duration is also of major importance. Houses from structural type-1 were totally collapsed after 3 days of inundation. Damage of the houses of structural type-2 began after 10 days of inundation
Original languageEnglish
Pages (from-to)501-520
JournalNatural hazards
Volume61
Issue number2
DOIs
Publication statusPublished - 1 Mar 2012

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rural area
vulnerability
flooding
damage
roof
disaster
cement
risk assessment
natural disaster
straw
mud
village
hazard

Keywords

  • ITC-ISI-JOURNAL-ARTICLE

Cite this

Thakur, Praveen K. ; Maiti, Sreyasi ; Kingma, Nanette C. ; Hari Prasad, V. ; Aggarwal, S. P. ; Bhardwaj, Ashutosh. / Estimation of structural vulnerability for flooding using geospatial tools in the rural area of Orissa, India. In: Natural hazards. 2012 ; Vol. 61, No. 2. pp. 501-520.
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Estimation of structural vulnerability for flooding using geospatial tools in the rural area of Orissa, India. / Thakur, Praveen K.; Maiti, Sreyasi; Kingma, Nanette C.; Hari Prasad, V.; Aggarwal, S. P.; Bhardwaj, Ashutosh.

In: Natural hazards, Vol. 61, No. 2, 01.03.2012, p. 501-520.

Research output: Contribution to journalArticleAcademicpeer-review

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AU - Hari Prasad, V.

AU - Aggarwal, S. P.

AU - Bhardwaj, Ashutosh

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