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All Journal JURNAL PENDIDIKAN TAMBUSAI Innovative: Journal Of Social Science Research
Leirisa, Reva
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Humanities Computer Science & IT Law, Crime, Criminology & Criminal Justice Public Health Social Sciences Other

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Pemetaan Wilayah Risiko Banjir : Studi Kasus Kota Tebing Tinggi, Sumatera Utara Leirisa, Reva; Marbun, Sahala Fransiskus; Damanik, Muhammad Ridha Syafi’i
Jurnal Pendidikan Tambusai Vol. 9 No. 3 (2025): Desember
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

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Abstract

Pemetaan risiko banjir di Kota Tebing Tinggi, Provinsi Sumatera Utara, dilakukan dengan pendekatan Sistem Informasi Geografis (SIG) untuk mengidentifikasi tingkat kerentanan banjir di setiap wilayah. Penelitian ini menggunakan metode deskriptif kuantitatif dengan pendekatan spasial, berdasarkan data sekunder yang diperoleh dari BMKG, BPBD, BIG, dan Bappeda. Analisis dilakukan melalui teknik overlay terhadap beberapa parameter, yaitu curah hujan, kemiringan lereng, jarak dari sungai, penggunaan lahan, dan kepadatan penduduk untuk menentukan klasifikasi zona risiko banjir. Hasil menunjukkan bahwa Kecamatan Padang Hilir dan Tebing Tinggi Kota termasuk kategori sangat rawan banjir, Kecamatan Rambutan berada pada tingkat sedang, Kecamatan Bajenis tergolong sedang hingga rendah, sedangkan Kecamatan Padang Hulu relatif aman. Temuan ini menegaskan bahwa SIG merupakan alat yang efektif untuk memahami distribusi spasial risiko banjir serta mendukung perencanaan mitigasi bencana, penataan ruang, dan pembangunan kota yang berkelanjutan.
Analisis dan Pemetaan Kualitas Air di Kecamatan Percut Sei Tuan Kabupaten Deli Serdang Sumatera Utara Marbun, Sahala Fransiskus; Br Simatupang, Eliana Renintan; Ramadhani, Haniyah; Leirisa, Reva; Telaumbanua, Fausta John Aro; Hutauruk, Randy Marcel
Innovative: Journal Of Social Science Research Vol. 5 No. 3 (2025): Innovative: Journal Of Social Science Research
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/innovative.v5i3.18685

Abstract

Water quality is an important aspect in supporting public health and welfare. This study aims to map the distribution of water quality in Percut Sei Tuan District, Deli Serdang Regency, North Sumatra, which is known to have several villages with indications of water pollution, such as changes in color to yellowish. This study uses a quantitative and qualitative approach, with data collection techniques in the form of measuring pH parameters and observing environmental conditions around water sources such as dug wells. The results of the analysis show that there is variation in water quality between villages; some meet clean water quality standards, while others indicate contamination due to agricultural activities, poor waste management, and household waste. The pH value of the water was measured and classified into acidic, neutral, and alkaline categories according to quality standards. Data visualization was carried out in the form of a water quality map using a cartographic approach and geographic information systems (GIS). These findings emphasize the importance of regular monitoring of water quality and the need for sustainable environmental management. According to Djamaluddin et al. (2019), the use of cartographic technology is effective in mapping water quality and supporting data-based policy making. This research is expected to be the basis for policy recommendations and increase public awareness in maintaining clean water quality in the area.
Co-Authors Br Simatupang, Eliana Renintan Damanik, Muhammad Ridha Syafi’i Hutauruk, Randy Marcel Ramadhani, Haniyah Sahala Fransiskus Marbun Telaumbanua, Fausta John Aro