会议论文详细信息
Workshop and International Seminar on Science of Complex Natural Systems
Development of an Integrated Agricultural Planning Model Considering Climate Change
Santikayasa, I.P.^1
Department of Geophysical and Meteorology, Bogor Agricultural University, Kampus IPB Dramaga, Bogor, Indonesia^1
关键词: Agricultural planning;    Crop water requirements;    Emission scenario;    Future climate projections;    Irrigation water requirements;    Irrigation waters;    Water allocations;    Water availability;   
Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/31/1/012042/pdf
DOI  :  10.1088/1755-1315/31/1/012042
来源: IOP
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【 摘 要 】

The goal of this study is to develop an agriculture planning model in order to sustain the future water use under the estimation of crop water requirement, water availability and future climate projection. For this purpose, the Citarum river basin which is located in West Java - Indonesia is selected as the study area. Two emission scenarios A2 and B2 were selected. For the crop water requirement estimation, the output of HadCM3 AOGCM is statistically downscale using SDSM and used as the input for WEAP model developed by SEI (Stockholm Environmental Institute). The reliability of water uses is assessed by comparing the irrigation water demand and the water allocation for the irrigation area. The water supply resources are assessed using the water planning tool. This study shows that temperature and precipitation over the study area are projected to increase in the future. The water availability was projected to increase under both A2 and B2 emission scenarios in the future. The irrigation water requirement is expected to decrease in the future under A2 and B2 scenarios. By comparing the irrigation water demand and water allocation for irrigation, the reliability of agriculture water use is expected to change in the period of 2050s and 2080s while the reliability will not change in 2020s. The reliability under A2 scenario is expected to be higher than B2 scenario. The combination of WEAP and SDSM is significance to use in assessing and allocating the water resources in the region.

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