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      ANALISIS KETERPAPARAN MENGGUNAKAN PENDEKATAN CLIMATE RISK VULNERABILITY ASSESSMENT (CRVA) UNTUK MENGHITUNG RISIKO SUMBERDAYA AIR

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      Date
      2025
      Author
      INDRIANI, SYLVIA DWI
      Santikayasa, I Putu
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      Abstract
      Perubahan iklim meningkatkan bahaya kekeringan yang berdampak langsung pada ketersediaan sumber daya air untuk sektor pertanian. Indonesia merupakan negara agraris dengan luas panen dan jumlah petani yang besar, serta memiliki populasi dan kepadatan penduduk yang tinggi, sehingga ketergantungan terhadap sumber daya air untuk pertanian juga sangat tinggi. Penelitian ini bertujuan untuk memetakan tingkat keterpaparan sumber daya air untuk pertanian berdasarkan kerangka IPCC AR5, serta menganalisis korelasi antara suhu udara dan curah hujan dengan luas panen di tingkat kabupaten/kota Indonesia. Analisis dilakukan menggunakan pendekatan Climate Risk Vulnerability Assessment (CRVA) dengan tiga indikator utama, yaitu kepadatan penduduk, luas panen padi, dan jumlah petani padi. Ketiga indikator dinormalisasi menggunakan metode median dengan bobot setara. Uji Pearson dan Spearman digunakan untuk menganalisis korelasi antara curah hujan dan suhu udara dengan luas panen. Hasil menunjukkan bahwa tingkat keterpaparan dampak perubahan iklim pada sumber daya air untuk pertanian Indonesia didominasi oleh kategori Sedang, yaitu sebesar 34,74%. Kondisi ini terjadi karena banyak kabupaten/kota memiliki nilai ketiga indikator pada tingkat menengah hingga rendah. Selain itu, sebanyak 31,01% wilayah termasuk kategori Rendah dan 25,91% lainnya termasuk Sangat Rendah. Hanya 8,06% wilayah yang masuk kategori Tinggi dan hanya 0,19% yang tergolong Sangat Tinggi. Kabupaten Indramayu tercatat sebagai satu-satunya wilayah dengan kategori keterpaparan Sangat Tinggi, dengan skor total 0,83 yang dibentuk oleh luas panen padi dengan nilai normalisasi 1,00, jumlah petani padi 0,96, dan kepadatan penduduk 0,52. Korelasi antara unsur iklim dan luas panen tergolong Sangat Lemah yang mengindikasikan adanya keterlibatan faktor lain di luar unsur iklim seperti dukungan teknologi dan manajemen pertanian. Hasil penelitian ini dapat digunakan sebagai referensi bagi pengambil kebijakan dalam merumuskan strategi adaptasi kekeringan yang lebih tepat sasaran.
       
      Climate change increases the risk of drought, which directly affects the availability of water resources for the agricultural sector. Indonesia is an agrarian country with a large harvested area, a significant number of farmers, and a high population density, resulting in a strong dependence on water resources for agricultural activities. This study aims to map the level of exposure of agricultural water resources based on the IPCC AR5 framework and to analyze the correlation between air temperature and rainfall with harvested area at the district and city level throughout Indonesia. The analysis was conducted using the Climate Risk Vulnerability Assessment (CRVA) approach by utilizing three main indicators: population density, harvested rice area, and number of rice farmers. All indicators were normalized using the median method with equal weighting. Pearson and Spearman correlation tests were used to examine the relationship between climate variables and harvested area. The results show that the exposure level to the impact of climate change on agricultural water resources in Indonesia is predominantly in the Moderate category, accounting for 34,74% of regions. This condition occurs because many districts and cities have indicator values at medium to low levels. In addition, 31,01% of regions fall into the Low category, and 25,91% are in the Very Low category. Only 8,06% of regions fall into the High category, and just 0,19% are in the Very High category, represented solely by Indramayu Regency, which scored 0,83 based on a normalized harvested area value of 1,00, number of farmers 0,96, and population density 0,52. The correlation between climate elements and harvested area was found to be Very Weak, indicating the role of other factors beyond climate, such as technological support and agricultural management. The findings of this study can serve as a reference for policymakers in formulating more precise and context-specific drought adaptation strategies.
       
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      http://repository.ipb.ac.id/handle/123456789/166243
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      Indonesia DSpace Group 
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