Rice is a basic need for most Indonesians. Subang Regency is one of the food districts in West Java with high paddy rice production. Fluctuation in the value of paddy rice production over the past five years makes production conditions uncertain and difficult to predict. Monitoring the condition of paddy rice fields over a short period of time would improve crop size prediction. This study aims to explain the paddy rice phenology using Sentinel 2-A imagery with NDVI (Normalized Difference Vegetation Index) algorithm in Subang Regency. The benefit of this study is to monitor the paddy rice phenology using remote sensing technology. Greenness values were recorded from Sentinel 2-A temporal 10 daily images with NDVI algorithm. Greenness values will be analysed descriptively according to CCTV recording on paddy rice fields. Based on the greenness value, NDVI can determine the beginning of the planting period and the end of the paddy rice planting period. The results show that Sentinel 2-A imagery can monitor the paddy rice phenology by measuring the value of NDVI vegetation index. The development of remote sensing technology can be used for estimating paddy rice phenology over short periods of time.
Konsep Kota Hijau adalah konsep pembangunan kota berkelanjutan yang menyelaraskan lingkungan alam dan lingkungan buatan manusia sebagai respon terhadap kerusakan lingkungan. Menurut Undangundang RI No. 26 Tahun 2007 tentang Penataan Ruang dinyatakan bahwa proporsi Ruang Terbuka Hijau (RTH) pada wilayah perkotaan paling sedikit 30% dari luas wilayah keseluruhan. Penelitian ini bertujuan untuk mengetahui efektivitas RTH dalam mereduksi emisi gas karbon dioksida di Kota Banjarmasin. Metode yang digunakan pada penelitian ini yaitu mengandalkan parameter NDVI (Normalized Difference Vegetation Index) serta observasi lapangan berupa perhitungan emisi gas karbon dioksida dan wawancara instansi. Metode analisis data yang digunakan adalah berdasarkan hasil perhitungan emisi gas karbon dioksida kendaraan dan daya serap RTH yang menghasilkan arahan pengembangan RTH yang sesuai dengan karakteristik wilayah. Lokasi penelitian meliputi RTH jalan pada kota Banjarmasin yaitu Kecamatan Banjarmasin Tengah dan Banjarmasin Utara. Hasil penelitian menunjukkan bahwa ketersediaan ruang terbuka hijau di Kota Banjarmasin memiliki keterkaitan dengan penyerapan emisi gas karbon dioksida. Hal ini dapat disimpulkan bahwa secara keseluruhan ruang terbuka hijau belum efektif menyerap emisi gas CO2. Strategi pengembangan RTH Kota Banjarmasin difokuskan untuk mempertahankan dan meningkatkan kualitas RTH sehingga dipandang sebagai salah satu upaya penanganan terhadap meningkatnya emisi gas rumah kaca yang paling implementatif dibandingkan cara lainnya.
The geographical proximity between Indonesia and Australia leads to harmonious relations between these two countries, especially in security. The development of information technology is one of the areas becoming the focus of Indonesia and Australia in maintaining regional security. Security cooperation has been established between Indonesia and Australia. This development can have an impact on a dispute between Indonesia and Australia, particularly in the 2013 cyberwar conflict. An Australian cyber-attack on Indonesia by tapping President Yudhoyono’s communication network caused the cyberwar incident. However, the post-cyberwar between Indonesia and Australia did not cause tension in the relations between the two countries. Indonesia approved the MOU of Cybersecurity Cooperation with Australia in 2018. This study aims to analyze the causes of Indonesia and Australia’s choice to continue their cybersecurity cooperation after the Indonesia-Australia cyberwar in 2013. This research utilized the theory of complex interdependence and domestic politics and qualitative analysis methods. The results revealed that Australia’s soft power resources, Australia’s political credibility, the advantages of Indonesia and Australia as democratic countries, and the political survival of individual leaders caused both countries to continue their cybersecurity cooperation after the Indonesia-Australia cyberwar in 2013.
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