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The direction of land-use for hydrology balance and development of low-carbon emissions in the Jenelata Catchment area
Nursaputra M.
Iop Conference Series Earth and Environmental Science
Abstract
Abstract The catchment area is part of the Jeneberang watershed. Based on Presidential Regulation No. 3 of 2016 concerning the Acceleration of the Implementation of National Strategic Projects, the Jenelata catchment area is one of the acceleration programs for the construction of the Jenelata Dam. Changes in land-use that continue to increase in the Jeneberang watershed, especially in the Jenelata catchment area, have resulted in the conversion of vegetated land cover to non-vegetation. Related to the threat of the sustainability of the Jenelata Dam function after it has been built, it is necessary to study the right direction of land-use to maintain the equilibrium of hydrological conditions and the level of carbon emissions in the future. The hydrological analysis was carried out using the SWAT hydrological model and to determine the level of carbon emissions calculated by the LUMENS software using the QUES (Quantification of Environmental Services) module of the actual land-use scenario in 2018, the land-use scenario in 2023 (if the dam operates there will be land flooded areas) and land-use scenarios in 2032 (based on regional spatial plans at the end of the planning year). The result shows that from the impact of land-use changes, the Jenelata Dam hydrological condition in terms of water availability will be decreased by 323,74 million m 3 in actual condition, 275,83 million m 3 in the period 2023 and 274,66 million m 3 in period 2032. While the level of carbon emissions is known to be increased by 314.052,00 Tons CO2-eq in actual condition, 358.237,16 Tons CO2-eq inland changes condition 2019-2023 and 1.595.972,83 Tons CO2-eq in land change condition 2023-2032. Thus, it is necessary to make the direction of land-use by concerning the conditions of determination of the forest area function.
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10.1088/1755-1315/681/1/012122Other files and links
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