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All Journal Jurnal Pendidikan Geografi Undiksha J SIG (Jurnal Sains Informasi Geografi)
Karim, Rizal Aldian
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Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Education Energy Environmental Science

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Pemanfaatan Citra Sentinel-2 Untuk Analisis Vegetasi Di Wilayah Gunung Manglayang Putri, El Syifa; Sari, Anita Widia; Karim, Rizal Aldian; Somantri, Lili; Ridwana, Riki
Jurnal Pendidikan Geografi Undiksha Vol 9, No 2 (2021): Jurnal Pendidikan Geografi Undiksha
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jjpg.v9i2.35357

Abstract

Penginderaan jauh merupakan sebuah ilmu untuk mendapatkan Informasi melalui analisa sebuah data tanpa berhubungan langsung dengan objek. Penginderaan jauh banyak dimanfaatkan dalam analisis penyelesaian suatu masalah. Penelitian ini untuk dilakukan untuk mengkaji spesifikasi citra sentinel, melihat akurasi citra sentinel dalam pemanfaatan analisis vegetasi, menganalisis kesesuaian metode NDVI yang dapat diaplikasikan oleh citra Sentinel-2 untuk menganalisis vegetasi. Analisis yang dilakukan dalam penelitian ini menggunakan metode Normalized Difference Vegetation Index, dan data yang digunakan adalah citra Sentinel-2. Metode ini merupakan perhitungan band pada citra yang digunakan untuk mengetahui tingkat kehijauan. Hasil dari perhitungan tersebut disajikan dalam bentuk peta kerapatan vegetasi dan grafik dari hasil perhitungan metode Normalized Difference Vegetation. Berdasarkan hasil penelitian, dapat dilihat bahwa penggunaan citra Sentinel-2 untuk analisis vegetasi memiliki nilai 0,03 sampai tinggi 1 pada wilayah kawasan Gunung Manglayang. Nilai ini menunjukan bahwa kawasan Gunung Manglayang memiliki kerapatan vegetasi yang rapat hingga yang mendekati jarang.
ANALISIS POTENSI KETERSEDIAAN AIR TANAH SECARA SPASIAL UNTUK PEMENUHAN KEBUTUHAN AIR BAKU DI DAS RONTU Lugina, Izma Maulana Ahmad; Fahmi, Syahrial; Karim, Rizal Aldian; Ismail, Arif
J SIG (Jurnal Sains Informasi Geografi) Vol 6, No 2 (2023): Edisi November
Publisher : Universitas Muhammadiyah Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31314/jsig.v6i2.2457

Abstract

Clean water supply is one of the strategic issues in Bima City which is of concern and is stated in the Bima City RPJMD. The main problem with providing clean water in Bima City is the crisis that occurs when the dry season arrives. Apart from that, if we follow the projected population growth of Bima City, the amount of raw water that is available and can be used as a source of clean water will not be able to meet the needs of the population in the future, so another alternative source is needed, namely by utilizing groundwater. This research aims to spatially see the groundwater potential in the Rontu watershed located in Bima City and measure projected water use needs in the Bima City area. The method used is spatial analysis with quantitative methods Multi Criteria Evaluation (MCE), Groundwater Potential Index (GWPI), and the Thornthwaite method for determining areas that have the potential to have groundwater. The research uses the help of a geographic information system (GIS) and remote sensing data to produce a groundwater potential zone map. Based on the results of the groundwater potential zoning map created, it can be seen that the Rontu watershed area as a whole and Bima City tend to have very high potential for groundwater storage and supply. This research also provides an overview of water use in both the domestic and non-domestic sectors in the Rontu Watershed area which includes Bima City and calculates the remaining water reserves from the results of water use and water supply obtained in the Rontu Watershed area, so that it can provide recommendations. for future water supply.
Co-Authors Arif Ismail Fahmi, Syahrial Lili Somantri Lugina, Izma Maulana Ahmad Putri, El Syifa Ridwana, Riki Sari, Anita Widia