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All Journal International Journal of Science and Engineering (IJSE) Jurnal Teknik Kimia USU Abdimas Talenta : Jurnal Pengabdian Kepada Masyarakat Jurnal Penginderaan Jauh dan Pengolahan Data Citra Digital International Journal of Remote Sensing and Earth Sciences (IJReSES) Jurnal Abdimas Madani dan Lestari (JAMALI) Jurnal Teknik Kimia USU Jurnal Penginderaan Jauh dan Pengolahan Data Citra Digital The International Journal of Remote Sensing and Earth Sciences (IJReSES)
Bambang Trisakti
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Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Social Sciences Other

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DIGITAL ELEVATION MODEL FROM PRISM-ALOS AND ASTER STEREOSCOPIC DATA Bambang Trisakti; Ita Carolita; Firsan Ardi Pradana
International Journal of Remote Sensing and Earth Sciences Vol. 6 (2009)
Publisher : BRIN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30536/j.ijreses.2009.v6.a1236

Abstract

Digital Elevation Model (DEM) is a source to produce contour map, slope, and aspect information, which is needed for other information such as disaster and water resources management. DEM can be generated by several methods. One of them is parallax calculations from stereoscopic data of optical sensor. Panchromatic Remote-Sensing Instrument for Stereo Mapping (PRISM) sensor from Advanced LAnd Observation Satellite (ALOS) satellite and advance space borne Thermal Emission and Reflection Radiometer (ASTER) sensor from Terra Satellite is Japanese optical satellite sensor which have abilityto produce stereoscopic data. This study showed DEM generations from PRISM (2.5 m spatial resolution) and ASTER (15m spatial resolution) stereoscopic data using image matching and collinear model based on Orthobase-pro software. The Generated DEM from each sensor was compared to the DEM from Shuttle Radar Topography Mission (SRTM) X-C band with 30 m spatial resolution. The dependent on the pixel size from the DEM produced were also discussed. The result showed that both DEMs have similiar elevation and distribution pattern to the referenced DEM, but DEM for PRISM had higher relative accuracy (RMSE is 6.5 m) and Smoother pattern comparing to DEM from ASTER (RMSE is 10.2 m) Keyword : ASTER, DEM, PRISM, SRTM, Stereoscopic satellite data
COMPARISON RESULT OF DEM GENERATED FROM ASTER STEREO DATA AND SRTM Bambang Trisakti; Ita Carolita
International Journal of Remote Sensing and Earth Sciences Vol. 4 (2007)
Publisher : BRIN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30536/j.ijreses.2007.v4.a1220

Abstract

This paper explains a method to generated DEM (Digital Elevation Model) from ASTER (Advanced Spaceborn Thermal Emission and Reflection Radiometer) stereo data and evaluates the generation of ASTER DEM and SRTM (Shuttle Radar Topography Mission) DEM with 90 m spatial resolution. ASTER DEM is generated from 3n (nadir looking) and 3b (backward looking) level 1b, with 10 ground control points (XYZ coordinate)derived from ASTER RGB 321 geometric-corrected image and SRTM DEM. Almost all tie points are collected automatically and several tie points is added manually. The triangulation and DEM extraction process are made automatically using ERDAS Imagine Software. DEM evaluation is carried out by comparing between ASTER DEM and SRTM DEM in the height distribution of vertical and horizontal transect lines and the height value of the whole DEM image. The process is continued by analyzing the height differences between ASTER DEM and SRTM DEM. The results shows thatASTER DEM has 15 m spatial resolution with height differnces less than 30 m for about 67 percent of total area, and absolute mean error is 27 m (compared with SRTM DEM) This absolute mean error is large enough, because the GCPs (Ground Control Point) used in this study are only in a small amount and most of study area is in the high terrain area (mountainous area) with dense vegetation coverage.
Pengembangan Sistem Penyulingan Bahan Bakar Bioetanol dari Sampah Organik Pertanian di Desa Sempajaya, Kecamatan Berastagi, Kabupaten Karo: Indonesia Sidabutar, Rivaldi; Trisakti, Bambang; Irvan, Irvan; Hanum, Farida; Surya, Indra; Taslim, Taslim; Sinaga, Mersi Suriani; Rizky, Muhammad Rafly; Sitepu, Lusti Angelica; Juniansyah, Muhammad Fadhillah; Abdurrahman, Muhammad Faiz; Syafutra, Wahyu Pramudya; Marbun, Daniel S
Jurnal Abdimas Madani dan Lestari (JAMALI) Volume 08, Issue 1, Maret 2026
Publisher : UII

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/jamali.vol8.iss1.art20

Abstract

Unsold vegetable waste from agricultural products generally rots and ends up in landfills, increasing waste volume and creating environmental problems. Utilizing vegetable waste as a raw material for bioethanol is a potential alternative, considering that bioethanol is a renewable energy source that can be produced through a biomass fermentation process. This study designed a 15 liter bioethanol production unit utilizing various types of vegetable waste, such as potatoes, pineapples, carrots, mustard greens, and cabbage. The process unit consists of pre-treatment equipment (a pre-cooking tank, a crusher, and a pressure tank), a fermenter equipped with two 30 cm diameter paddle-type manual stirrers, and a stainless steel distillation unit equipped with a heater and cooling tank. The fermentation process lasts for 48–72 hours and produces bioethanol with a concentration of 45%. This program is expected to provide dual benefits: as a solution for vegetable waste management to reduce environmental impacts and as a source of additional income for the community through the utilization of the bioethanol produced.
Co-Authors Abdurrahman, Muhammad Faiz Ahmad Sutanto Ahmad Sutanto, Ahmad Al Fath, Muhammad Thoriq Alamsyah, Vandria Ambarita, Renata Anggraini , Nanin Aniati Murni Arymurthy Any Zubaidah Atriyon Julzarika Azka, Nawalul Bani, Okta Dana Sembiring, Surya Destanul Aulia, Destanul Dini Oktavia Ambarwati Dini Oktaviana Ambarwati Dipo Yudhatama Dipo Yudhatama, Dipo Esthi Kurnia Dewi Esthi Kurnia Dewi Ety Parwati Farida Hanum Fatimah Firsan Ardi Pradana Gathot Winarso Heru Noviar Heru Noviar, Heru I Irvan I Made Parsa Indra Surya, Indra Inggit Lolita Sari Irvan Irvan Irvan Ita Carolita Ita Carolita, Ita Johannes Manalu Johannes Siregar Joko Santo Cahyono Juniansyah, Muhammad Fadhillah Katmoko Ari Sambodo, Katmoko Ari Kustiyo Kustiyo, Kustiyo Mahdi Kartasasmita Manalu, R. Johannes Marbun, Daniel S Meutia Nauly Muhammad Hendra S Ginting Nana Suwargana Nanin Anggraini, Nanin Nasution, Juan Akmal Natasya, Yenny Novita Sari Sihombing, Dewi Nugroho, Gagat Nur, Mawardi Nurzainah Ginting Parwati Pranatha Sijabat, Irvan Rasyid, Nashfin Nazli Ratih Dewanti -Hariyadi Rizky, Muhammad Rafly Rossi Hamzah Sarah, Maya Sidabutar, Rivaldi Sinabang, Juwita Lestari Sinaga, Mersi Suriani Sinamo, Gloria Clarita Sitepu, Lusti Angelica Sitepu, Rafael Aginta Sitompul, Desi Berliana Soesilo, Tri Edhi Budhi Sri Harini Stephanie Angel King Susanto Susanto Suwarsono Suwarsono Syafutra, Wahyu Pramudya Syarif Budhiman Taslim Taslim Taslim Tatik Kartika Tatik Kartika, Tatik Teguh, Kuncoro Tulus Udhi C. Nugroho Udhi Catur Nugroho Vandria Alamsyah Vivian Wongistani Yoshimasa Tomiuchi Yudi Lasmana