Sentinel-2 merupakan satelit eropa yang memiliki 13 band spektral. Citra sentinel-2 dapat digunakan dalam beragam bidang salah satunya bidang pertanian. Pada bidang pertanian citra sentinel-2 dapat dimanfaaatkan untuk memetakan luas sawah di Kabupaten Jember. Penelitian ini bertujuan untuk mengolah data citra Sentinel-2 menjadi peta luasan sawah Kabupaten Jember dengan metode MLC, dan membandingkan luasan pada musim kemarau dan hujan. Tahapan penelitian ini adalah (1) unduh data satellite Sentinel-2 pada bulan Juni dan Oktober 2019 dan survei lapang untuk sebagai Ground Control Point (GCP), digunakan sebagai training area; (2) pra pengolahan data (atmospheric correction, composite, mosaic, dan clipping); (3) pengolahan data (pembuatan training area, klasifikasi metode MLC menggunakan aplikasi Multispec; (4) Uji akurasi; (5) Analisa hasil. Klasifikasi yang digunakan pada penelitian ini adalah: (1) hutan; (2) badan air; (3) pemukiman; (4) tegalan; (5) lahan kering/lahan kosong; (6) sawah, Pada hasil klasifikasi terdapat perbedaan luas sawah pada bulan Juni dan Oktober sebesar 134,332 km2. Hasil dari confussion matrix menunjukkan bahwa klasifikasi terdapat banyak kesalahan pada kedua klasifikasi yakni pada kelas sawah dengan hutan dan kelas tegalan dengan lahan kering. Nilai akurasi hasil klasifikasi bulan Juni untuk uji Overall : 93,3% dan Kappa accuracy : 90,1%. Untuk hasil klasifikasi bulan Oktober untuk uji Overall : 94,27% dan Kappa accuracy : 90,55%. Terdapat perbedaan luas sawah pada daerah irigasi (DI) Salmon2 antara hasil klasifikasi dengan digitasi lapang. Hal ini menandakan bahwa klasifikasi citra sentinel-2 dengan metode maximum likelihood tidak dapat menginterpretasikan luas sawah dengan baik.
The relocation of the State Capital from DKI Jakarta to the Ibu Kota Nusantara (IKN), East Kalimantan brought new problems, one of them was agricultural problems. The increase in population in IKN also increases the need for food which threatens food security. East Kalimantan region, which is mostly peatland and plantation land, is not suitable for use as rice farming land, so it is necessary to analyze the potential of rice supporting areas for IKN to ensure food needs in IKN are met. Areas that support IKN rice include Paser Regency, North Penajam Paser Regency, and Kutai Kartanegara. This study aims to analyze the potential of natural resources in one of the IKN buffer areas, namely Paser Regency as a food supply area, especially rice. The parameters to be analyzed are land cover, soil type, topography, and slope. The analysis was carried out using a geographic information system (GIS) with the overlay method so that potential areas were obtained to be developed as rice farming areas so that they could meet the food needs of IKN. The results of the overlay analysis of Paser Regency obtained 3 classifications of potential land for agriculture. Land with no potential is 242.22 km 2 , quiet potential is 5,779.42 km 2 , and very potential land is 4,230.51 km 2 .
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