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All Journal AGRIVITA, Journal of Agricultural Science MAJALAH ILMIAH GLOBE International Journal of Remote Sensing and Earth Sciences (IJReSES) Makara Journal of Technology
Sayidah Sulma, Sayidah
Lembaga Penerbangan dan Antariksa Nasional, Jakarta 13710, Indonesia
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Education Electrical & Electronics Engineering Engineering Materials Science & Nanotechnology Mechanical Engineering

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Journal : AGRIVITA, Journal of Agricultural Science

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Analysis of Agricultural Drought in East Java Using Vegetation Health Index Amalo, Luisa Febrina; Hidayat, Rahmat; Sulma, Sayidah
AGRIVITA, Journal of Agricultural Science Vol 40, No 1 (2018): FEBRUARY
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v40i1.1080

Abstract

Drought is a natural hazard indicated by the decreasing of rainfall and water storage and impacting agricultural sector. Agricultural drought assessment has been used to monitor agricultural sustainability, particularly in East Java as national agricultural production center. Identification of drought characteristics –correlated with El Niño-Southern Oscillation, and agricultural impact on paddy fields and rice production using VHI (Vegetation Health Index) were conducted. VHI is produced by TCI (Temperature Condition Index) and VCI (Vegetation Condition Index) derived from MODIS satellite data, LST (Land Surface Temperature) and EVI (Enhanced Vegetation Index), respectively. The results showed agricultural drought usually started in June, maximum in October and ended in November. Onset and end time drought tends to follow monsoonal rainfall pattern. El Niño 2015 showed long duration of agricultural drought (i.e. ± 5 months), high severity (i.e. mild-extreme drought; VHI 0-40) and areal extent of drought approx. 197,343 km2, while during La Niña 2010 the areal extent was approx. 28,685 km2 with mild-severe drought (VHI 10-40). Impact of agricultural drought on paddy fields showed wider (smaller) areal extent in sub-round 3 (sub-round 1) from September-December (January-April). Areal extent of drought was negatively correlated with rice production (r=-0.79) which significant in 99 % confidence level.
Co-Authors Amalo, Luisa Febrina Atriyon Julzarika Chulafak, Galdita Aruba Eko Kusratmoko Febrianti, Nur Indah Prasasti, Indah Jalu Tejo Nugroho, Jalu Tejo Johannes Manalu, Johannes Rahmat Hidayat Rahmi, Khalifah Insan Nur Rahmi, Khalifah Insan Nur Ratna Saraswati, Ratna Sitorus, Jansen Sri Harini Suhadha, Argo Suwarsono Suwarsono