Vulnerability to flooding of the towns of Mabitac and Santa Maria, Laguna, Philippines

Issue Date

12-2014

Abstract

The combination of flood modelling and socio-economic analysis was used to determine the flood vulnerability of the town of Santa Maria and Mabitac, Laguna, Philippines. Geographic Information System (GIS)-hazard mapping and vulnerability-resilience indicator were used to asses the interaction of a flood hazard and the socio-economic conditions of the people in the area. The Hydrologic Engineering Center Hydrologic Modelling System (HEC-HMS) and Hydrologic Engineering Center's River Analysis System (HEC-RAS) modelling system was used to derive the synthetic hydrograph and delineated the inundated areas in the flood-prone barangays (village) Jose Rizal, Masinao, Adia and Coralan in Santa Maria and Barangays San Antonio, Libis ng Nayon, Bayanihan, Pag-asa, Nanguma and Lambac in Mabitac are very vulnerable to flooding. The study revealed environmental-related aspects that are helpful in reducing the impacts of flooding such as, strengthening the flood warning system and emergency response capacity through flood hazard zonation mapping and rehabilitation of the watershed in Santa Maria.

Source or Periodical Title

Journal of Environmental Science and Management

ISSN

0119-1144

Volume

17

Issue

2

Page

17-28

Document Type

Article

College

School of Environmental Science and Management (SESAM)

Frequency

semi-annually

Physical Description

tables, map, graph

Language

English

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