Interpolation methods of spatial distribution salt price during scarcity period in Malang Raya using geographic information system

Harini, Sri and Mulyanto, Angga Dwi and Iriany, Atiek and Astuti, Cindy Cahyaning (2019) Interpolation methods of spatial distribution salt price during scarcity period in Malang Raya using geographic information system. International Journal of Advanced Trends in Computer Science and Engineering, 8 (6). pp. 3120-3123. ISSN 2278-3091

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Full text available at: https://doi.org/10.30534/ijatcse/2019/73862019

Abstract

In mid-2017, people in Malang Raya experienced salt scarcity. This situation did not only happen in Malang Raya but also in almost all parts of Indonesia. This study was aimed to determine the distribution pattern of fine salt and crude salt in Malang Raya areas during the salt scarcity. The analysis was carried out by employing a Geographic Information System (GIS) based interpolation. The best interpolation result for fine salt was using the ordinary kriging method with a J-Bessel semivariogram. Meanwhile, the best interpolation method for crude salt was using the inverse distance weighting method. The results of this study revealed some effects of salt scarcity on salt prices. The shortage of salt in Malang Raya caused an increase of exceptional salt prices in almost all areas of Malang Raya, especially in the Northern and Southern part of Malang Regency. However, the result was different for crude salt. The production of crude salt decreased, and the stock was also limited. The demand for crude salt was low; thus, the price of crude salt did not rise sharply in all Malang Raya areas.

Item Type: Journal Article
Keywords: GIS; Interpolation; Salt Price; Spatial Analysis
Subjects: 01 MATHEMATICAL SCIENCES > 0104 Statistics > 010401 Applied Statistics
Divisions: Faculty of Mathematics and Sciences > Department of Mathematics
Depositing User: Dr Sri Harini
Date Deposited: 13 Mar 2020 02:14

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