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Tiku, Kabupaten Agam Menggunakan Metode MNDWI dan Citra Landsat 8 Oli
Suci Ramayana
; Fajrin Fajrin
; Ilham Armi
; Defwaldi Defwaldi
Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Vol 4
, No 2
(2026)
Tiku Beach in Tanjung Mutiara District, Agam Regency, West Sumatra is a 12.77 km coastal area experiencing continuous shoreline changes due to abrasion and accretion. This study aims to identify and map shoreline changes and calculate the area of abrasion and accretion in 2014, 2019, and 2024 using the Modified Normalized Difference Water Index (MNDWI) method based on Landsat 8 OLI satellite imagery. The MNDWI method utilizes the reflectance difference in the Green band (Band 3) and SWIR band (B...
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Analisis Perubahan Tutupan Lahan Tahun 2013 Sampai 2024 di Kota Pariaman
Yollanda Septiani
; Fajrin Fajrin
; Defwaldi Defwaldi
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Vol 3
, No 3
(2025)
This study aims to analyze land cover changes in Pariaman City in 2013, 2018, and 2024 using Landsat-8 imagery with the support of the Google Earth Engine (GEE) platform and the Classification and Regression Trees (CART) algorithm. Land cover change is a critical issue in Pariaman City, as population growth, infrastructure development, and economic activities have driven significant land conversion. The classification generated eight land cover classes representing the general condition of the a...
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Analisis Perubahan Lahan Terbuka Tambang Pasir Golongan C di Nagari Aia Dingin, Kecamatan Lembah Gumanti, Kabupaten Solok
Devindo Yudilar Fahmi
; Dwi Marsiska Driptufany
; Defwaldi Defwaldi
; Dwi Arini
; Fajrin Fajrin
Jurnal Riset Rumpun Ilmu Teknik
Vol 4
, No 3
(2025)
Class C sand mining activities in Nagari Aia Dingin, Lembah Gumanti District, Solok Regency have been ongoing since 1999 and continue to expand to this day. This mining provides economic contributions to the local community, but on the other hand, it also has a significant impact on the environment, particularly on land cover changes. This study aims to analyze changes in open land caused by sand mining activities, using remote sensing technology as a monitoring tool. The approach used is descri...
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Dinamika Temperatur Permukaan Tanah di Kota Pariaman Berdasarkan Citra Satelit
Ridho Illahi
; Fajrin Fajrin
; Ilham Armi
; Dwi Marsiska Driptufany
; Defwaldi Defwaldi
Jurnal Riset Rumpun Ilmu Teknik
Vol 4
, No 2
(2025)
Changes in land surface temperature are one of the important indicators in monitoring global environmental change. In the last decade, increasing surface temperatures have become a global concern, as they have the potential to affect ecosystems, air quality, water availability and human health. In addition, increasing land surface temperature also has a direct impact on the urban heat island phenomenon, which can worsen environmental conditions in urban areas. In this context, analyzing periodic...
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Perbandingan Elevasi Digital Terrain Model Foto Udara dengan Pengukuran Terestris pada Kawasan Sumur Eksplorasi Migas
Muhammad Al’ Aziz Fariq
; Dwi Arini
; Defwaldi Defwaldi
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil
Vol 3
, No 2
(2025)
Accurate elevation determination is one of the crucial aspects in oil and gas exploration activities, especially in the planning and management of well areas. This study aims to identify and compare the elevation of the Digital Terrain Model (DTM) obtained from aerial photography with terrestrial measurements, and to convert Digital Surface Model (DSM) data into DTM. The urgency of this study is driven by the need for accurate, efficient, and economical mapping methods, as well as validation of...
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Pemetaan Risiko Kekeringan Berbasis Integrasi Kemiringan Lereng dengan Sistem Informasi Geografis
Defwaldi Defwaldi
; Dwi Marsiska Driptufani
; Ilham Armi
; Nasyahardian Nasyahardian
Jurnal Riset Rumpun Ilmu Teknik
Vol 3
, No 2
(2024)
Drought is a hydrometeorological disaster that significantly affects water availability and agricultural activities. Pesisir Selatan Regency has diverse topographic conditions that influence the level of vulnerability to drought, thereby requiring a comprehensive spatial analysis. This study aims to map drought risk by integrating slope steepness with other biophysical parameters using Geographic Information Systems (GIS). The data employed include slope maps derived from DEMNAS, rainfall data (...
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