Abstract
Bantul Regency is a district in Yogyakarta Province which has geographic, geological, hydrological, and demographic characteristics that are likely to cause drought. Drought event in Bantul Regency may have significant impacts on various aspects in line with the characteristics of drought impacts which are complex and cross-sectoral. This study addresses to analyze the level of risk of drought with observation units in 75 villages in the Bantul Regency. The risk analysis was carried out by comparing the time period of the 10 years, i.e. 2008 and 2018 to observe the shift of risk areas of drought in Bantul Regency. The research was conducted using quantitative research methods with quantitative descriptive and mapping analysis. The analysis steps are drought hazard analysis, vulnerability analysis, and drought risk analysis. The analysis shows that during the last 10 years, Kabupaten Bantul has been experiencing an increasing number of villages classified as high risk of drought, both in urban and rural areas. In 2008 there were 15 villages (20%) and increased to 21 villages (28%) in 2018 that were classified as very very high level. Meanwhile, in 2008 there were 30 villages (40%) in 2008 and increased to 32 villages (42.7%) in 2018 that were classified as very high level. It caused by the increasing probability of drought as well as vulnerability. The analysis results can be used as input for stakeholders to take mitigation and anticipation actions to reduce the impact of drought based on the spatial characteristics of the risk areas.
Highlights
Kabupaten Bantul adalah kabupaten di Provinsi DIY yang memiliki karakteristik geografis, geologis, hidrologis, dan demografis yang berpeluang menjadi penyebab bencana kekeringan
Pada tahun 2008 terdapat 15 desa (20%) yang tergolong sangat sangat tinggi dan meningkat menjadi 21 desa (28%) pada tahun 2018
Drought risk assessment in the western part of Bangladesh
Summary
Indonesia merupakan negara tropis yang memiliki dua musim, yaitu musim penghujan dan kemarau. Beberapa penelitian menunjukkan bahwa kekeringan dapat menimbulkan dampak yang luas, kompleks, bersifat lintas sektor (ekonomi, sosial, kesehatan, dan pendidikan), dan memiliki rentang waktu yang panjang. Wilayah yang berpotensi mengalami kekeringan dengan status siaga pada akhir tahun 2018 hingga Agustus 2019 terdapat di 6 kecamatan dan 15 desa. Kekeringan di Kabupaten Bantul juga dapat menimbulkan dampak signifikan bagi sektor pertanian. Hasil penelitian Purnamawati (2014) juga menunjukkan bahwa 87% wilayah di Kabupaten Bantul memiliki kerawanan kekeringan tingkat sedang untuk lahan pertanian jenis tanaman pangan. Analisis risiko perlu dilakukan sebagai langkah awal mitigasi untuk mengurangi dampak kekeringan dengan melihat sebaran lokasi yang berisiko terhadap kekeringan untuk selanjutnya dapat diberikan intervensi kebijakan. Analisis risiko dilakukan dengan membandingkan periode waktu 10 tahun terakhir, yaitu tahun 2008 dan 2018 untuk melihat perkembangan wilayah yang berisiko kekeringan di Kabupaten Bantul
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