Original Research

Empowering local leaders in flood inundation mapping in Bagelen, Purworejo, Central Java

Santika Purwitaningsih, Junun Sartohadi, Lufti Muta'ali, Apolonia D. da Costa
Jàmbá: Journal of Disaster Risk Studies | Vol 14, No 1 | a1298 | DOI: https://doi.org/10.4102/jamba.v14i1.1298 | © 2022 Santika Purwitaningsih, Junun Sartohadi, Lufti Muta’ali, Apolonia D. S. da Costa | This work is licensed under CC Attribution 4.0
Submitted: 14 February 2022 | Published: 31 August 2022

About the author(s)

Santika Purwitaningsih, Department of Disaster Management, The Graduate School, Universitas Gadjah Mada, Yogyakarta, Indonesia
Junun Sartohadi, Department of Soil, Faculty of Agriculture, Universitas Gadjah Mada, Yogyakarta, Indonesia
Lufti Muta'ali, Department of Development Geography, Faculty of Geography, Universitas Gadjah Mada, Yogyakarta, Indonesia
Apolonia D. da Costa, Centre of Geography Study and Spatial Planning, Faculty of Geography, University of Porto, Porto, Portugal


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Abstract

This article discusses the reliability of flood inundation information that is obtained from participatory mapping. The commonly applied method to map flood inundation requires both direct and interpretive measurement data based on remote sensing images. Such assessments have limited availability of data; as a result, participatory mapping has become the solution. A number of studies have conducted participatory mapping to obtain flood hazard information in areas with limited sources of data, however, there has been little discussion about its reliability. This research conducted participatory flood inundation mapping by involving local leaders as respondents. The mental map drawn by the local leaders was digitised to obtain a shapefile format map. The information obtained from the semistructured interview was then included in the geographic information system (GIS) data as attributes. The obtained information was compared with the field data to determine its quality. A literature study was then conducted to discuss how the participatory mapping could support managing a disaster. Information obtained through participatory mapping can be effectively applied to disaster management because of its precise location information, lower cost and less time-consuming nature. The reliability of the information has weak accuracy of quantitative data; however, it has advantages in terms of qualitative data, especially in the detailed descriptions of flood information. In the future, participatory mapping should rely on integrating the perspectives of cross-disciplinary researchers, a comprehensive study of multidisciplinary knowledge and level of understanding of the stakeholders.


Keywords

disaster management; flood inundation; hazard; participatory mapping; reliability

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