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All Journal Media Komunikasi Geografi GEA, Jurnal Pendidikan Geografi JPG (Jurnal Pendidikan Geografi) Ranah Research : Journal of Multidisciplinary Research and Development
Sahid Sahid
Institut Teknologi Sumatera
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Economics, Econometrics & Finance Education Law, Crime, Criminology & Criminal Justice Public Health Social Sciences Transportation Other

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Vertikal Accuracy Assessment On Sentinel-1, Alos Palsar, And Demnas In The Ciater Basin Ihsan, Haikal Muhammad; Sahid, Sahid Sahid
Jurnal Pendidikan Geografi Gea Vol 21, No 1 (2021)
Publisher : Indonesia University of Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/gea.v21i1.29931

Abstract

Vertical accuracy in DEM (Digital Elevation Model) products is very important for an earth study. There are medium resolution DEM data products that can be accessed freely such as DEMNAS, Alos Palsar 12.5m and Sentinel-1. The aim of this study is to measure the vertical accuracy of the DEMNAS, Alos Palsar 12.5m and Sentinel-1 data products by considering the slope angle classification and using two different GIS software. Vertical accuracy is measured using 848 spotheight points, by calculating the RMSE (Root Mean Square Error) value of each DEM product with different software. Based on the research, it was found that DEMNAS is a DEM product that has the best comparability value than Alos Palsar and Sentinel-1, because it has the smallest RMSE value. Slope angle class gives different values of bias against absorption and reflection of electro magnetic waves. Flat to moderate steep slope angles tend to be better at absorbing and reflecting electromagnetic waves. Perbedaan software dalam analisis tidak terlalu mempengaruhi ketinggian titik tinggi DEM dan RMSE. The spotheight point needs to be reaccurated with a more detailed geodetic point, to get maximum results.
Analisis Perubahan Garis Pantai Menggunakan Digital Shoreline Analysis System (DSAS) untuk Pengembangan Pariwisata di Kabupaten Samosir Fahmi Aziz; Sahid Sahid; Nana Putri Yanto
JPG (Jurnal Pendidikan Geografi) Vol 10, No 1 (2023)
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jpg.v10i1.15499

Abstract

Dikelilingi perairan danau yang cukup luas, Kabupaten Samosir memiliki potensi wisata pantai yang dapat menjadi daya tarik bagi turis asing maupun lokal. Namun, tinggi muka air Danau Toba beberapa tahun terakhir mengalami penurunan, diduga karena adanya perubahan tutupan lahan di sekitar cekungan air tanah (CAT)  Sidikalang dan Samosir yang berdampak pada perubahan garis pantai. Perubahan garis pantai ini akan berpengaruh terhadap perubahan fungsi pantai sebagai destinasi wisata apabila tidak memiliki strategi yang baik. Tujuan penelitan ini untuk melihat seberapa besar laju perubahan garis pantai yang terjadi pada tahun 1995, 2008, 2017. Selanjutnya melihat faktor – faktor yang mempengaruhi perubahan, serta menentukan bentuk wisata apa yang sesuai untuk menghadapi perubahan garis pantai ini. Metode yang digunakan ialah dengan menggunakan penginderaan jauh dan sistem informasi geografis (SIG) dikombinasikan dengan metode perubahan garis pantai yaitu DSAS (Digital Shoreline Analysis System). Hasil penelitian didapatkan bahwa rata – rata laju perubahan garis pantai di Kabupaten Samosir yang mengalami penambahan sebesar 1.3 meter/tahun dan pengurangan -0.3 meter/tahun. Perubahan gairs pantai umum terjadi di wilayah yang memiliki kelerengan sebesar 0 – 2 %. Perubahan tutupan lahan di sekitar CAT Sidikalang dan Samosir pada citra Landsat tahun 1995 dan 2017, terjadi penurunan luas tutupan lahan hutan primer sebesar 468.4 km2 dan hutan sekunder sebesar  447.6 km2 , hal ini tentunya akan berdampak pada pengurangan daerah tangkapan air hujan di wilayah tersebut.
Pengembangan Zonasi Eduwisata di Kawasan Pendidikan Institut Teknologi Sumatera (ITERA) untuk Mendukung Pariwisata Berkelanjutan Mentari Pratami; Sahid Sahid; Asep Nurul Ajiid Mustofa; Muhammad Andhika Refaldy; Karima Zahrani Rahman
Ranah Research : Journal of Multidisciplinary Research and Development Vol. 7 No. 2 (2025): Ranah Research : Journal Of Multidisciplinary Research and Development
Publisher : Dinasti Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/rrj.v7i2.1351

Abstract

Educational tourism (Eduwisata) is an activity where tourists travel in groups to a place with the main aim of gaining direct learning experience about the location they are visiting. The Sumatra Institute of Technology (ITERA) Educational Area has great potential to develop education-based tourism, with interesting locations such as Embung A, which is currently used by students and the community for sports, Botanical Gardens, Astronomical Observatories, and other potential that has not yet been fully exploited. maximum. Even though it has a lot of potential, the use of edutourism in the ITERA area is currently still centered on Embung A as a sports facility. Therefore, this research aims to develop educational tourism zoning within the Sumatra Institute of Technology so that tourists can enjoy educational tourism more easily and to prevent the concentration of activities in only one location. This zoning development also aims to facilitate policy determination in optimizing the potential of edutourism areas. Through analysis of land capabilities and suitability, this research will produce a zoning map of the edutourism area. With this zoning map, it is hoped that visitors can more easily access various educational tourism locations in ITERA, and educational tourism activities can be spread more evenly throughout the area. Apart from that, it is hoped that better management of the edutourism area can make ITERA a superior edutourism destination that not only provides an enjoyable learning experience for visitors, but also supports the development of education and research in the campus environment.
MCDA Spatial Approach for Flood Disaster Vulnerability Assessment in Tulang Bawang Regency Yanto, Nana Putri; Sahid, Sahid; Aziz, Fahmi; Mustofa, Asep Nurul Ajiid; Prizkanisa, Siti
Media Komunikasi Geografi Vol. 26 No. 1 (2025)
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/mkg.v26i1.83950

Abstract

Indonesia's location in a region prone to a variety of natural and societal disasters highlights the critical need of comprehending society's susceptibility to such events. Tulang Bawang Regency, located in Lampung Province, is vulnerable to various risks, particularly those associated with flood catastrophes. This research aims to assess the community's susceptibility in Tulang Bawang Regency to several types of catastrophes, focusing on social, economic, physical, and environmental factors. The research approach utilized combines the four primary aspects of vulnerability - social, physical, economic, and environmental - through the MCDA spatial method. The study on vulnerability to flood disasters in Tulang Bawang Regency shows that the most affected vulnerable population is in Dente Teladas District, particularly individuals of vulnerable age, residents in poverty, and people with disabilities. The assessment indicates that the Rawa Jitu District region has the highest levels of economic vulnerability, particularly in relation to poverty. The projected material losses from flooding are 23,125.11 million rupiah for physical damage and 50,356.32 million rupiah for economic losses. In addition, there is a possibility of substantial environmental harm in Tulang Bawang Regency, estimated at 35,508.18 hectares.
Co-Authors Asep Nurul Ajiid Mustofa Aziz, Fahmi Fahmi Aziz Ihsan, Haikal Muhammad Karima Zahrani Rahman Mentari Pratami Muhammad Andhika Refaldy Mustofa, Asep Nurul Ajiid Nana Putri Yanto Prizkanisa, Siti