CD Tesis
Simulasi Model Hidrolika Dalam Tata Kelola Air Untuk Mitigasi Kebakaran Lahan Gambut
Forest and peatland fires cause haze disasters that threaten aspects of human life at the local, national, regional and even global level. Loss of vegetation and the opening of peat swamp forests cause flooding in the rainy season, reduce carbon sequestration thereby increasing the greenhouse effect, and forests will lose their climate regulation function.
The purpose of hydraulics modeling research is for the management of peat canal water system in order to avoid the danger of land fire disasters. The first step is to analyze topographical and hydrological conditions of artificial canal peatlands on site, analyze dimensions, channel layout conditions and channel flow velocity. Then carry out canal hydraulics analysis to determine the flow of water in the canal in an effort to identify fire risk. And finally by conducting hydraulic analysis and water governance arrangements (placement of canal blocking) to maintain the elevation of the peat canal water level.
The results showed that the topography of the canal flow area in the Meskom peatland is a very gentle canal flow area, the channel hydrometry conditions namely dimensions, elevation of the canal water level and measured current velocity show variations at each measurement point (STA 0-STA 8). The channel current speed varies slightly between 0.11 to 0.2 m / s. Simulation analysis of Meskom canal conditions with several conditions including:
a) The water level in the existing canal block is in a safe position against potential fire hazards.
b) Addition of canal blocking in the upstream part of the most downstream canal does not change the elevation of the channel water level significantly.
c) The position of the canal retracted from the existing position to the upstream shows that the water level of the canal is at 8.65 m upstream of the canal and the water level of the canal water downstream has decreased to 7.74 m.
d) The elevation of the channel's water level in the no-bulkhead position drops to 7.75 m which is vulnerable to potential peatland fire hazards.
Keywords : Fire, mitigation, water level elevation, canal blocking, hydrology and hydrometry.
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