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Michiel Damen

Unknown Affiliation

Author-ID : 249220

Earth & Planetary Sciences

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Articles

UTILIZATION OF GEOTAGGED PHOTOGRAPH, REMOTE SENSING, AND GIS FOR POST-DISASTER DAMAGE ASSESSMENT Sapta Nugraha; Michiel Damen
Indonesian Journal of Geography Vol 45, No 2 (2013): Indonesian Journal of Geogrphy
Publisher : Faculty of Geography, Universitas Gadjah Mada

Merapi eruption in 2010 causing major damage impact on that region. Post-disaster damage assessment thathas been done by the government have not been supported with a good spatial data so that validation isrelatively weak. Method of post-disaster damage assessment, particularly assessment of building damage usinggeotagged photos, remote sensing and GIS is expected to improve the method of damage assessment by thegovernment of Indonesia. Geojot Applications for Android Smartphone/Tablet allows the assessment of buildingdamage to be included in the photo attribute. Interpretation of satellite imagery of building damage is done byusing three indications: building visibility, building collapse, and building roof. Geotagged photograph cancomplement the needs of building damage assessment from satellite images because it can describe thestructural and non-structural damage to buildings clearly. Geotagged photograph with GPS Lock-Off moderequiring information on the direction and distance of the object being photographed. Geotagged photographwith the QR code is the most profitable because the identity of the building is already known and can bematched with an existing database.

Determination of Coastal Belt in the Disaster Prone Area: A case study in the Coastal area of Bantul Regency, Yogyakarta, Indonesia Arief Widianto; Michiel Damen
Indonesian Journal of Geography Vol 46, No 2 (2014): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Mitigation strategy development is needed for protecting coastal communities and preserving coastal resourc-es from the impact of coastal hazards. It is believed that coastal land use planning can be proposed to reduce impact of coastal hazards. ἀe coastal belt boundary development is one of the mitigation approach which is common use in many countries as an inexpensive solution compared to hard structure development. Our study was located in the coastal area of Bantul regency, a low lying coastal area and densely populated region, where some clustered people lives proximity to the sea. In this study, a new method for determining coastal belt boundary was developed in the study area. ἀe Spatial Multi Criteria Evaluation (SMCE) tool of Ilwis plays as powerful tool for assessing coastal vulnerability in term of multi-hazard events. To calculate the width of the coastal belt boundary, the Ilwis-SMCE outcomes were employed. By apply-ing this method, there were three scenarios of the setbacks wide for both direct and pairwise method to be proposed. In general, the coastal area of Bantul Regency is dominated by high vulnerable area respectively impacted by multi-hazard events (tsunami, high wave and erosion-accretion), by incorporating some coastal features, such as topography, bio-physics, economic, and social-culture. ἀe results of the analysis are consistent with what was observed in the actual areas. Taken into account for hazard and vulnerability indices, the coastal belt boundary established in this area should wider than those already determined by existing regulations.

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