Coastal flood in Indonesia, namely as banjir rob, is a phenomenon that increases seawater to inundate around the tidal area. In Tanjungpinang, cases of coastal floods become a serious problem for people living in this area. This research aims to model the coastal flood inundation by modeling water inundation with a maximum level increase scenario. Its model was used to estimate coastal floods' impact on houses, buildings, and infrastructures with scenario 2 meters of sea-level rise. On the other hand, the budget loss for restoration was estimated to study the effort of community adaptations with the ECLAC RAB method and observation to understand community adaptation. It was found that the spatial model succeeded in zoning inundation areas, which had a significant impact on houses, buildings, worship places, schools, and industrial at many 4112 units. From this case, the budget loss for the restoration of the physical environment was estimated at around 61994014.75 USD. In addition, the survey revealed the existing condition before and after the coastal flood. Several community efforts for adaptation were developing houses on stilt and hoarding the lowest land on-site location for build houses.
The survey geomorphology, it is the one apart of applied geomorphology. In case has done investigation character of geomorphological landscape of Mount Talang and mapping of landslide hazard potential. In this research has used some method, the first field observation and sampling for geomorphology character study were conducted. Second the mapping landslide hazard used method the MAFF Japan where integrating physical field data and spatial data using geographic information system. The results of this study where found some volcanic morphology, volcanic cones, upper slopes, middle slope, lower slopes, foot slope, and volcanic plain. The landslide hazard, where involving sources of observation and sampling for the study of geomorphological characters. From the research has found the landslide hazard in four zone, zone (I) land stable and low hazard potential large 9 ha, zone (II) land enough stable and middle hazard potential large 12.295 ha, zone (III) land less stable and high hazard potential large 1.118 ha, and Zone (IV) land unstable and highest hazard potential 0.1 ha. The typical of geomorphology, morphometry, and land use it has really influence to landslide potential to landslide hazard.
Geopark Silokek merupakan salah satu dari Geopark yang memiliki bentangan fisiografis menarik yaitu memiliki batuan tua yang berumur 350 juta tahun yang terdiri dari batu gamping (karst), batuan sedimen, batuan metamorf, dan intrusi granit. Tujuan penelitian ini adalah untuk mengidentifikasi bentukan fisiografis yang terdapat di kawasan Geopark Silokek dengan memanfaatkan data Digital Terrain Model (DTM) serta pengamatan langsung dilapangan. Data yang digunakan dalam penelitian ini adalah Data Demnas dengan akurasi 8 m, peta Geologi dari Kementerian ESDM, dan Citra Spot 6. Metode penelitian dengan menggunakan pemodelan 3 Dimensi (3D) melalui pemanfaatan nilai elevasi ketinggian sehingga dapat menarik peta yang semula datar. Hasil penelitian menunjukkan bahwa Geopark Silokek memiliki kenampakan fisiografis yang berbeda berdasarkan kondisi geologi, hidrologi, dan ekologinya. Pemodelan 3D akan memperjelas kenampakan fisiografis yang terdapat di kawasan Geopark Silokek serta dapat menunjang potensi pariwisata di Geopark Silokek.
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