Investigating a Conservation Area Based on Tsunami Hazard Mapping in Landuse Planning of Sand Dune Parangtritis Area, Yogyakarta, Indonesia | [Proceedings of the Pakistan Academy of Sciences: B. Life and Environmental Sciences • 2019]

Author(s):

1. Ratih Fitria Putri: Faculty of Geography, Universitas Gadjah Mada,Bulaksumur, Sleman 55281, Special Region of Yogyakarta,Indonesia

2. Sunu Wibirama: Faculty of Engineering,Universitas Gadjah Mada, Grafika, Sleman 55281, Special Region of Yogyakarta, Indonesia

3. Djati Mardiatno: Faculty of Geography, Universitas Gadjah Mada,Bulaksumur, Sleman 55281, Special Region of Yogyakarta,Indonesia

4. Sri Rum Giyarsih: Faculty of Geography, Universitas Gadjah Mada,Bulaksumur, Sleman 55281, Special Region of Yogyakarta,Indonesia

5. Josaphat Tetuko Sri Sumantyo: Graduate School of Advanced Integration Science,Chiba University 1-33, Yayoi-cho, Inage-ku, Chiba-shi,Japan

Abstract:

The Southern part of Java Island is highly risked from natural disaster, particulary tsunami. In this research, we investigated a conservation area of the southern part of Yogyakarta (Bantul Regency), Indonesia, namely Parangtritis. Sand dune in Parangtritis is a natural barrier for tsunami threat. Material loss caused by tsunami can be reduced by identifying natural barrier of sand dune through tsunami hazard zones. We propose a method to investigate changes of sand dune condition by simulating the tsunami inundation hazard impact and implementing a remote sensing application. A water depth of tsunami model scenario was used to estimate the tsunami inundation zone. The tsunami modeling used Shuttle Radar Topography Mission (SRTM) data to build Digital Elevation Model (DEM) data. Topographical map and ALOS imagery were used to analyze land coverage. Based on our simulation, the tsunami tends to surge toward the southeast direction with 30 m of elevation. Material loss due to tsunami is catastrophic; hence more extensive sand dune conservation area is required. This research provides a tsunami hazard map and a sand dune conservation map based on our simulation. In future, our research might be used as a guideline for development of policy to develop and to protect sand dune conservation area.

Page(s): 15-26

DOI: DOI not available

Published: Journal: Proceedings of the Pakistan Academy of Sciences: B. Life and Environmental Sciences, Volume: 56, Issue: 2, Year: 2019

Keywords:

Disaster Mitigation , land use , Tsunami hazards map , coastal area

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