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All Journal Jurnal Pengabdian Kepada Masyarakat (Indonesian Journal of Community Engagement) Civil Engineering Dimension Elipsoida : Jurnal Geodesi dan Geomatika JGISE-Journal of Geospatial Information Science and Engineering

Dewanto, Bondan Galih

Center For Disaster StudiesUniversitas Gadjah MadaYogyakarta

Author-ID : 1567117

Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Education Engineering

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Articles

ANALISIS POTENSI TENAGA SURYA PADA PERMODELAN BANGUNAN TIGA DIMENSI BERDASARKAN DATA OPEN STREET MAP (STUDI KASUS: UNIVERSITAS GADJAH MADA YOGYAKARTA) Gilang Cahya Nusantara; Bondan Galih Dewanto
Elipsoida : Jurnal Geodesi dan Geomatika Vol 3, No 01 (2020): Volume 03 Issue 01 Year 2020
Publisher : Department of Geodesy Engineering, Faculty of Engineering, Diponegoro University,Indonesia

Energy crisis that occurred in the world after being exploited on a large scale against fossil energy caused people has to think again about renewable energy. In Indonesia, the electricity consumption always increases every year with fossil energy dominating energy sources. Based on the Government Regulation number 79 of 2014, concerning the National Energy Policy, the Government of Indonesia has a national target in the implementation of renewable energy of 23% in 2025 and 31% in 2050. Information disclosure and development of geospatial technology is shown through the availability of information on the dimensions, location, and the height of objects on the surface of the earth through the open street map (OSM) website, one of which is the building. Digital Elevation Model (DEM/DEMNAS) data can be accessed through the Geospatial Information Agency (BIG) website. Utilization of this information can be done by utilizing QGIS and ArcGIS Pro software. The existence of an energy crisis and technological developments led to calculate Solar Radiation (contained in ArcGIS Pro) which can calculate the solar potential at a location based on three-dimensional building data, DEM, and solar intensity. Universitas Gadjah Mada (UGM) has announced their commitment in realizing new and renewable energy in Indonesia. Therefore, researchers intend to find out the solar potential in the UGM region in order to realize government programs in the application of new renewable energy. Based on the analysis done in this research, we get the amount of solar energy potential of 369.543 kWh/ m2/ day. Through this research we hope that UGM can become a pilot campus in the application of renewable energy, solar energy and can reduce the use of conventional electricity using fossil energy.Keywords: Solar Energy Potential, Three Dimensional Building, Open Street Map, UGM.

OPAK FAULT DEFORMATION MONITORING USING SENTINEL-1 INSAR DATA FROM 2016-2019 IN YOGYAKARTA INDONESIA Bondan Galih Dewanto; Mohamad Bagas Setiawan; Gilang Cahya Nusantara
Elipsoida : Jurnal Geodesi dan Geomatika Vol 3, No 01 (2020): Volume 03 Issue 01 Year 2020
Publisher : Department of Geodesy Engineering, Faculty of Engineering, Diponegoro University,Indonesia

The 2006 Yogyakarta earthquake occurred at 05.55 West Indonesia Time, May 27, 2006 with a magnitude of Mw 5.9. The earthquake had a great trauma effect for the community, because there were many fatalities, around 6,000 people died. Therefore, it is very important to conduct research to determine the deformation that is currently happening around the Opak Fault. In this research, during 2016-2019, we collected products for Sentinel-1 synthetic aperture radar interferometry (InSAR) to measure the current fault deformation. The InSAR data was processed using LiCSBAS, a time series analysis kit of open-source SAR interferometry (InSAR) that integrates with the automated Sentinel-1 InSAR processor (LiCSAR). In the processing scheme for LiCSBAS, interferograms with many unwrapping errors are automatically detected and removed via loop closure. Reliable time series and velocities are extracted using several noise indices with the help of masking. The location of the Opak Fault can be detected clearly in the result because the deformation pattern around the fault is contrary different. The west of Opak Fault shows an uplift movement, while the deformation occurred in east area of the fault shows subsidence movement. Keywords : Opak Fault, Crustal Deformation, Sentinel-1 InSAR Data, LiCSBAS

Analisis Pergeseran Titik Jaring Pemantau Candi Borobudur Mengacu ke ITRF 2008 Berdasarkan Data Pengamatan GPS pada Tahun 2003 dan 2012 Dwi Lestari; Bondan Galih Dewanto
Jurnal Geospasial Indonesia Vol 3, No 2 (2020): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jgise.60451

Pemantauan posisi Candi Borobudur bertujuan untuk menjaga warisan dunia. Salah satu caranya adalah dengan pembangunan bench mark (BM) atau titik kontrol untuk pemantauan deformasi menggunakan Global Positioning System (GPS). Pengukuran menggunakan teknologi GPS untuk pemantauan stabilitas Candi Borobudur telah dilakukan pada tahun 2002, 2003, dan 2012, menggunakan Global Kalman Filter VLBI dan analisis GPS dan mengacu pada ITRF2000 untuk menganalisis pergeseran horisontal. ITRF menuntut pemutakhiran data koordinat titik-titik kontrol secara periodik. Perbedaan penggunaan versi ITRF pada pengolahan data GPS berdampak pada perbedaan ketelitian estimasi posisi, besar kecepatan dan arah pergeseran titik-titik kontrol. Tujuan dari penelitian ini adalah untuk mengukur estimasi posisi, kecepatan, dan arah pergerakan dari titik control GPS berdasarkan data 2003 dan 2012 dan mengacu pada ITRF2008. Masing-masing kala melalui tahapan regional processing dan local processing. Koordinat dari hasil local processing GAMIT/GLOBK selanjutnya dibandingkan dengan koordinat hasil olahan mengacu ITRF2000 yang telah ditransformasi menjadi koordinat mengacu ITRF2008. Analisis pergeseran titik berdasarkan koordinat dan hasil dari data 2003 dan 2012. Penelitian ini menghasilkan bahwa perbedaan posisi dan akurasi pada pengolahan regional dan lokal mengindikasikan transformasi dari ITRF2000 ke ITRF2008 berada pada standar deviasi yang dihasilkan GAMIT dan GLOBK yang mengacu pada ITRF2008. Selanjutnya, rata-rata nilai pergeseran horisontal periode 2003 dan 2012 adalah 261 mm arah tenggara (SE) yang serupa dengan penggunaan ITRF2000 pada penelitian sebelumnya. Secara umum, perataan jaring Candi Borobudur yang mengacu pada ITRF 2008 lebih akurat dibandingkan penelitian sebelumnya yang mengacu pada ITRF2000.

Land Subsidence Potential Detection in Yogyakarta International Airport using Sentinel-1 Insar Data Bondan Galih Dewanto; Yanuar Haryanto; Sanidhya Nika Purnomo
Civil Engineering Dimension Vol. 23 No. 2 (2021): SEPTEMBER 2021
Publisher : Institute of Research and Community Outreach - Petra Christian University

On January 27, 2017, the Indonesian Government started building a new international airport in Yogyakarta Province, named Yogyakarta International Airport (YIA) to replace Adisucipto International Airport. YIA is located near the beach, which means that an awareness of natural disasters, such as coastal flooding, is essential. One of the causes of sea water flooding is land subsidence phenomenon. This land subsidence phenomenon can be monitored by using Sentinel-1 Interferometric Synthetic Aperture Radar (InSAR) data. To monitor the crustal deformation, the data used in this research are from years 2016-2019. The data were processed through LiCSBAS software which is published by the COMET in the UK. In the processing scheme, interferograms with many unwrapping errors are detected and removed via loop closure. Reliable time series and velocities are extracted using several noise indices, with the help of masking. The results show the subsidence phenomenon in the YIA area (up to 25 mm).

Institutionalizing Climate Change Adaptation and Mitigation Through Education in a Small Island Context: A Case Study of South Tabukan, Sangihe Islands Heliani, Leni Sophia; Hadianti, Atrida; Nayati, Widya; Dewanto, Bondan Galih; Putri, Citra Kumala; Aqso, Muhammad Raihan; Pratama, Rizki Febri; Listyana, Deswita; Sanjaya, Darmawan Dwi
Jurnal Pengabdian kepada Masyarakat (Indonesian Journal of Community Engagement) Vol 11, No 2 (2025): June
Publisher : Direktorat Pengabdian kepada Masyarakat Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpkm.90903

The Sangihe Islands Regency, one of Indonesia’s small and outermost island regions, has been increasingly affected by the impacts of climate change. Extreme weather events and high waves have contributed to a decline in both the quantity and quality of fish catches and agricultural yields, which are the primary sources of livelihood for many residents. However, the community’s understanding of climate change, including its causes, impacts, mitigation strategies, and adaptation measures, remains limited. In response, a comprehensiveand community capacity-building program was initiated, focusing on education and institutionalization related to climate change mitigation and adaptation. The initiative was structured around four action clusters: medical, agricultural, science and technology, and socio-humanities. These efforts resulted in the development of environmentally friendly systems for waste disposal, agriculture, capture fisheries, and water resource management. The initiative is expected to strengthen the foundational capacities of residents in South Tabukan, Sangihe Islands Regency, enabling them to independently and sustainably mitigate and adapt to the impacts of climate change.

Co-Authors Aqso, Muhammad Raihan Dwi Lestari Gilang Cahya Nusantara Gilang Cahya Nusantara Hadianti, Atrida Heliani, Leni Sophia Listyana, Deswita Mohamad Bagas Setiawan Pratama, Rizki Febri Putri, Citra Kumala Sanidhya Nika Purnomo, Sanidhya Nika Sanjaya, Darmawan Dwi Widya Nayati Yanuar Haryanto

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