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Image of PENGEMBANGAN ANALISIS SPASIAL POTENSI LONGSOR MENGGUNAKAN METODE AHP DI KABUPATEN BATANG

SKRIPSI SI

PENGEMBANGAN ANALISIS SPASIAL POTENSI LONGSOR MENGGUNAKAN METODE AHP DI KABUPATEN BATANG

ALGHIFFARI, MUHAMMAD RIFKY - Personal Name;

ABSTRAK
Kabupaten Batang merupakan salah satu wilayah di Jawa Tengah yang memiliki kerentanan tinggi terhadap bencana tanah longsor akibat kompleksitas topografi, curah hujan yang tinggi, serta aktivitas antropogenik. Meskipun demikian, pemodelan spasial kerentanan longsor dengan pembobotan parameter yang spesifik serta platform penyebaran informasi geospasial interaktif di wilayah ini masih terbatas. Penelitian ini bertujuan untuk mengidentifikasi parameter pemicu dan pengontrol longsor, menentukan bobot prioritas menggunakan metode Analytic Hierarchy Process (AHP), membangun pemodelan spasial potensi longsor melalui weighted overlay, serta memvisualisasikannya ke dalam platform WebGIS interaktif. Metode kuantitatif berbasis SIG digunakan dengan mengintegrasikan 13 parameter spasial, yaitu kemiringan lereng, jenis batuan, curah hujan tahunan, jenis tanah, tutupan lahan, kerapatan sungai, Topographic Wetness Index (TWI), jarak dari jalan, plan curvature, profile curvature, Terrain Ruggedness Index (TRI), kepadatan penduduk, dan aspect. Pembobotan AHP menempatkan faktor kemiringan lereng (23%) dan jenis batuan (16%) sebagai kontributor paling dominan. Hasil pemodelan dari total luas wilayah teranalisis sebesar 85.635,86 Ha menunjukkan bahwa kawasan yang tergolong Zona Merah (kombinasi kelas kerentanan Tinggi dan Sangat Tinggi) mencakup area seluas 28.184,87 Ha (32,9%). Berdasarkan analisis tingkat kecamatan, Kecamatan Blado menempati peringkat kerentanan tertinggi dengan persentase Zona Merah sebesar 51,2% (4.135,59 Ha), disusul oleh Kecamatan Bawang (45,1%) dan Reban (44,7%). Integrasi model spasial ke dalam WebGIS berbasis framework CodeIgniter 4 dan library Leaflet.js berhasil menyediakan aksesibilitas informasi geospasial yang dinamis dan interaktif.
Kata Kunci: Sistem Informasi Geografis, Tanah Longsor, Analytic Hierarchy Process, Weighted Overlay, Kabupaten Batang, WebGIS


ABSTRACT
Batang Regency is one of the regions in Central Java with high vulnerability to landslides due to its topographical complexity, high rainfall intensity, and anthropogenic activities. However, spatial modeling of landslide susceptibility using specific parameter weighting and interactive geospatial information dissemination platforms in this area remains limited. This study aims to identify landslide trigger and control parameters, determine priority weights using the Analytic Hierarchy Process (AHP) method, construct spatial landslide potential modeling via weighted overlay, and visualize the results into an interactive WebGIS platform. A GIS-based quantitative approach was applied by integrating 13 spatial parameters, including slope, rock type, annual rainfall, soil type, land use, drainage density, Topographic Wetness Index (TWI), distance from roads, plan curvature, profile curvature, Terrain Ruggedness Index (TRI), population density, and aspect. The AHP weighting identified slope inclination (23%) and rock type (16%) as the most dominant contributing factors. Out of the total analyzed area of 85,635.86 ha, the spatial modeling revealed that the Red Zone (combined High and Very High susceptibility classes) covers an area of 28,184.87 ha (32.9%). District-level analysis identified Blado District as having the highest vulnerability ranking, with a Red Zone coverage of 51.2% (4,135.59 ha), followed by Bawang District (45.1%) and Reban District (44.7%). The integration of the spatial model into a WebGIS application built on the CodeIgniter 4 framework and Leaflet.js library successfully provided dynamic and interactive access to geospatial information.

Keywords : Geographic Information System, Landslide, Analytic Hierarchy Process, Weighted Overlay, Batang Regency, WebGIS


Ketersediaan
S260908001607.2 ALG pPerpustakaan STMIK AMIKBANDUNGTersedia
Informasi Detil
Judul Seri
-
No. Panggil
607.2 ALG p
Penerbit
: ., 2026
Deskripsi Fisik
-
Bahasa
Indonesia
ISBN/ISSN
-
Klasifikasi
NONE
Tipe Isi
-
Tipe Media
-
Tipe Pembawa
-
Edisi
-
Subyek
SKRIPSI
SKRIPSI SI
Info Detil Spesifik
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Pernyataan Tanggungjawab
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