MODEL MONITORING KEKERINGAN DALAM KERANGKA MANAJEMEN BENCANA YANG MEMBERIKAN INFORMASI SECARA SPASIAL DAN TEMPORAL
DOI:
https://doi.org/10.32679/jth.v2i2.249Keywords:
Indeks kekeringan, Standardized Precipitation Index (SPI), intensitas kekeringan, durasi kekeringan, kekeringan wilayahAbstract
Manajemen bencana berbasis manajemen risiko mengandung komponen dasar monitoring bencana agar
mampu mencapai sasaran upaya mitigasi untuk menekan risiko dampak bencana sekecil mungkin.
Penanganan bencana kekeringan dengan pendekatan nonstruktural tersebut memerlukan monitoring
kekeringan dengan keluaran berupa informasi kekeringan spasial berupa peta kekeringan bulanan dan,
informasi kekeringan temporal untuk setiap wilayah yaitu Daerah Aliran Sungai. Penelitian ini mengambil
studi kasus WS PemaliComal
yang dibagi menjadi 24 subDAS
dilengkapi dengan 15 pos hujan terpilih yang
mampu mengirimkan data hujan harian secara tepat waktu. Informasi kekeringan diolah dari hasil analisis
indeks kekeringan yang dimodelkan berdasarkan metodologi yang dikembangkan oleh Mc Kee (1993) yaitu
Standardized Precipitation Index atau SPI. Dengan demikian informasi yang diberikan berkaitan dengan
hujan dan termasuk kekeringan meteorologi sebagai indikator utama untuk mengetahui kekeringan
hidrologi dan kekeringan pertanian.
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