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All Journal GEA, Jurnal Pendidikan Geografi Kumawula: Jurnal Pengabdian Kepada Masyarakat
Syafitri, Dyah Rina
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Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Social Sciences

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Flood Assessment through Integrated-Mixed-Method in the Western Downstream Area of Citanduy River Basin, Pangandaran Regency Syafitri, Dyah Rina; Arysandi, Safira Arum; Purboyo, Alvian Aji; Fitri, Amelia; Febriani, Yenni; Tjahyanityasa, Wanda Fitri; Sari, Nila Puspita; Mar'ath, Sitti Khafifatul; Safinatunnajah, Safinatunnajah; Satyaningrum, Aghnia Candra; Rahardjo, Noorhadi; Sudrajat, Sudrajat; Mardiatno, Djati; Rachmawati, Rini
Jurnal Pendidikan Geografi Gea Vol 24, No 1 (2024)
Publisher : Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/gea.v24i1.60691

Abstract

Recurring and intensive flooding occurs in the western downstream area of the Citanduy River Basin (including Kalipucang, Padaherang, and Mangunjaya Districts, Pangandaran Regency) and causes massive losses. Land use Changes, fluctuating weather and climate conditions, as well as countermeasures that have not been maximized, have caused losses continuously. This study aims to describe the latest representation of flood vulnerability distribution in the study area using an integrated-mixed-method, includes: 1) AHP weighting based on expert interviews; 2) land use classification by the random forest algorithm; 3) Flood Hazard Map modeling using weighted overlay; and 4) hazard maps validation and historical flood analysis. The flood vulnerability model uses indicators: rainfall, elevation, slopes, distance from the river, and land use. Geographic Information System based on application (ArcGIS) and could (GEE) are the analytical tools in this study, supported by secondary data, such as 1) Sentinel 2A for land use models, 2) DEM for elevation and slope models, 3) buffer models for river distance and 4) CHIRPS for rainfall. The flood hazard with low and very-low levels is so minimal that it is less visible on the map. While the moderate level of flood hazard class counted as 12.6 Ha, mostly located in the eastern part of the study area (Padaherang and Kalipucang sub-districts).The high-level flood hazard class occupied about 2041.17 Ha, spread over built-up land use. The Very-high hazard class is 22652.11 Ha and mostly located in villages directly adjacent to the Citanduy River.
EDUKASI BENTANG LAHAN BUKIT KEHI DAN KERTAGENA DAYA, KABUPATEN PAMEKASAN Wagistina, Satti; Suharto, Yusuf; Hartono, Rudi; Syafitri, Dyah Rina; Kamal, Muhammad Mustafa Faiz; Joyti, Joyti; Putra, Bramantiyo K Dwi
Kumawula: Jurnal Pengabdian Kepada Masyarakat Vol 8, No 2 (2025): Kumawula: Jurnal Pengabdian Kepada Masyarakat
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/kumawula.v8i2.57414

Abstract

The first objective of the Community Service (PkM) activity is to educate the managers of the Bukit Kehi Tourism Awareness Group (Pokdarwis) about the geological and geomorphological features (landscape). The second objective is to assist Pokdarwis managers in planning the development of tourist attractions. The method used is training with an andragogical approach. The learning medium used is a 25-page landscape flipbook. The activity stages include planning, preparation, implementation, and evaluation. As a result, Pokdarwis has increased its knowledge of the landscape of Kertagena Daya and Bukit Kehi. This knowledge is very important for Pokdarwis in the context of developing tourist attractions. However, to provide landscape education services to visitors, Pokdarwis requires a learning process to effectively introduce geological and geomorphological features. The development of Bukit Kehi tourism is planned to become geotourism, so in the future, assistance from the PkM team will be needed for Pokdarwis. Tujuan pertama kegiatan Pengabdian kepada Masyarakat (PkM) ini adalah memberikan pengetahuan dan melatih  pengelola Kelompok Sadar Wisata (Pokdarwis) Bukit Kehi tentang fitur geologi dan geomorfologi (bentang lahan). Tujuan kedua adalah mendampingi pengelola Pokdarwis merencanakan pengembangan obyek wisata. Metode yang digunakan adalah pelatihan dengan pendekatan andragogi. Media belajar yang digunakan adalah flipbook bentang lahan dengan jumlah 25 halaman. Tahapan kegiatan meliputi perencanaan, persiapan, pelaksanaan, dan evaluasi. Hasil kegiatan PkM adalah terjadi peningkatan  pengetahuan bentang lahan Desa Kertagena Daya dan Bukit Kehi. Pengetahuan ini sangat penting dimiliki oleh Pokdarwis dalam rangka pengembangan atraksi wisata. Namun, untuk memberikan layanan edukasi bentang lahan kepada para pengunjung, dibutuhkan proses belajar pengenalan fitur geologi dan geomorfologi. Pengembangan wisata Bukit Kehi direncanakan menjadi geowisata sehingga ke depan dibutuhkan pendampingan kepada Pokdarwis oleh tim PkM.
Co-Authors Amelia Fitri Arysandi, Safira Arum Djati Mardiatno Febriani, Yenni Hartono, Rudi Joyti, Joyti Kamal, Muhammad Mustafa Faiz Mar'ath, Sitti Khafifatul Noorhadi Rahardjo Purboyo, Alvian Aji Putra, Bramantiyo K Dwi Rini Rachmawati Safinatunnajah, Safinatunnajah Sari, Nila Puspita Satti Wagistina Satyaningrum, Aghnia Candra Sudrajat Sudrajat Tjahyanityasa, Wanda Fitri Yusuf Suharto