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Classification and Monitoring of Kahayan River Riparian Zone Settlement Expansion Utilizing Satellite Imagery to Prevent Environmental Damage Sutrisno, Herwin; Susi, Theresia; Hartanto, Singgih; Perkasa, Petrisly; Supriadi, Benong; Mantana, Handri
Geoplanning: Journal of Geomatics and Planning Vol 12, No 2 (2025): Article In Progress
Publisher : Department of Urban and Regional Planning, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/geoplanning.12.2.%p

Abstract

As the population increased in places near the Kahayan River, which were predominantly covered with dense vegetation, deforestation occurred. This phenomenon arises due to the exponential expansion of human settlements, leading to a decline in the overall condition of the natural environment and hastening the process of soil erosion. Human activities such as deforestation and mining can exacerbate soil erosion along river banks, heightening the likelihood of floods and causing harm to river ecosystems. Riverbank settlements are susceptible to flooding, particularly during periods of high rainfall. Floods have the potential to devastate residential and commercial structures, resulting in substantial financial losses. This study employs a guided picture classification technique that entails extracting land cover information from data obtained through visual interpretation. Next, the technique of spatial data analysis is employed to generate a map illustrating the changes in land over a span of 10 years. This is achieved by merging land use maps from the years 2014, 2016, 2018, 2020, and 2023. The objective of this study is to establish the correlation between constructed settlements and deforestation in the riparian zone of the Kahayan River, specifically in Palangka Raya City. In order to accomplish this, the process involves utilizing high-resolution imagery and employing a Geographic Information System in conjunction with periodic satellite image categorization techniques.
ANALISIS FAKTOR KEBERTAHANAN BERMUKIM MASYARAKAT DI KAWASAN RAWAN BANJIR (STUDI KASUS: KELURAHAN PENDAHARA, KECAMATAN TEWANG SANGALANG GARING, KABUPATEN KATINGAN, KALIMANTAN TENGAH) Fortona, Nicky; Susi, Theresia; Hartanto, Singgih; Sutrisno, Herwin; Permana, Indrawan; Perkasa, Petrisly
REKA RUANG Vol. 8 No. 1 (2025): Reka Ruang
Publisher : Institut Teknologi Nasional Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Penelitian ini bertujuan untuk menganalisis faktor-faktor yang memengaruhi kebertahanan masyarakat dalam bermukim di kawasan rawan banjir, dengan studi kasus di Kelurahan Pendahara, Kabupaten Katingan, Kalimantan Tengah. Meskipun wilayah ini mengalami banjir rutin dengan genangan hingga 1,5 meter, masyarakat tetap memilih untuk tinggal. Penelitian menggunakan pendekatan metode campuran, yaitu kuantitatif melalui uji chi-square terhadap 77 kepala keluarga dan kualitatif melalui wawancara mendalam dengan informan kunci. Hasil menunjukkan bahwa faktor sosial seperti pendidikan, usia, dan lama tinggal memiliki pengaruh signifikan terhadap keputusan untuk tetap bermukim. Sebaliknya, faktor ekonomi seperti pekerjaan dan pendapatan tidak menunjukkan pengaruh yang signifikan. Faktor kesiapsiagaan, terutama pelatihan dan bantuan pemerintah, serta kondisi fisik bangunan, khususnya penggunaan material kayu yang mudah diperbaiki, turut memengaruhi keputusan masyarakat. Temuan ini mengungkap bahwa keputusan untuk bertahan lebih banyak didorong oleh keterikatan sosial, pengalaman lokal, dan kesiapsiagaan, bukan oleh pertimbangan ekonomi. Oleh karena itu, kebijakan mitigasi bencana perlu mempertimbangkan dimensi sosial dan budaya lokal, selain perbaikan fisik infrastruktur. Penelitian ini diharapkan dapat menjadi dasar perumusan strategi mitigasi yang lebih kontekstual dan aplikatif di wilayah pedalaman yang rawan bencana.