E3S Web Conf.
Volume 340, 2022The 13th of Aceh International Workshop and Expo on Sustainable Tsunami Disaster Recovery (The 13th AIWEST-DR 2021)
|Number of page(s)||8|
|Section||Urban Planning, Reconstruction and Recovery|
|Published online||25 January 2022|
The change of land use and land suitability of agriculture due to flow liquefaction in Palu and Sigi valley after the Palu earthquake in September 2018
1 Civil Engineering, Tadulako University, Palu, Central Sulawesi 94118, Indonesia
2 Architectural Engineering Tadulako University, Palu, Central Sulawesi 94118, Indonesia
3 Geologycal Engineering Tadulako University, Palu, Central Sulawesi 94118, Indonesia
* Corresponding author: email@example.com
After the Palu earthquake in 2018, there were many paddy fields has been impacted by liquefaction in three locations, namely, Sibalaya is around 30 Ha, Jono Oge is about 1784 ha, and Petobo was affected around 388 Ha. The entire paddy fields affected are about 2.202 Ha. The procedure model was used to analyse the most suitable location for the rainfed agricultural and irrigated crops after the Palu Earthquake in September 2018. Four levels of land suitability class were pre-pared based on five criteria: rainfall, temperature, slope percentage, soil types, and the spatial distribution of groundwater wells. The process in land suitability analysis with GIS after the suitability class of each parameter is an overlay process after some exploration and testing with the Land; the results show about 65% of the paddy fields land is in category S2; this limiting factor will affect its productivity, requiring additional inputs. The land users themselves can usually overcome these boundaries. And others about in class S3 is about 35% Paddy fields Land has a heavy limiting factor, which will significantly affect its productivity, requiring more additional input than Land Classified as S2. To overcome the limiting factor in S3 requires high capital, so there needs to be assistance or intervention (intervention) from the government or the private sector.
© The Authors, published by EDP Sciences, 2022
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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