Abstract
Kesatuan Hidrologis Gambut (KHG) or Peat Hydrological Unit is a land which consist of incomplete soil decomposition of aquatic vegetation that is inundated with anaerobic conditions. Peatlands in Indonesia have common problem, which is adequacy of water availability (water balance) throughout the year and fire risk. This condition makes the holding of studies to ensure this. In this research, study uses secondary data of Peatlands, Pulang Pisau regency, Central of Kalimantan. This research will be modeling groundwater level using unconfined steady aquifer with finite difference method by Qgis Freewat. Then, if possible, the model will be calibrated by direct sampling at some point in the field, so the next will be modeling by comparison results of water level model with water level existing that up to 40 cm in accordance with Government Regulation no. 57 of 2016 on amendment to Government Regulation No. 71 of 2014 on the Protection and Management of Peat Ecosystems. From this research is expected to give some of benefits as follow: 1). Estimating water balance for Palawija Plants in KHG Pulang Pisau, 2). Modeling groundwater level for canal as one of the optimal water management efforts so that peatlands are not too dry and not too wet, so the risk of forest fires can be minimized.
Highlights
The peat ecosystem is a unit of peat element which influences each other in forming a stability, equilibrium and productivity [1]
Efforts are made to plan, utilize, control, maintain, supervise and enforce the law, which is known as the peatlands water management system
Based on the picture above, it can be seen that the groundwater level of peatlands in the rainy season between the two canals ranges from 0.2 m - 0.35 m
Summary
Objectives of this study are1) Analyzing water balance for Palawija Plants in KHG Pulang Pisau.2) Analyzing the water level of groundwater peatlands in KHG Pulang Pisau, 3) Analyzing parameter for water managements system of peatlands in KHG Pulang Pisau. 1) Analyzing water balance for Palawija Plants in KHG Pulang Pisau. 2) Analyzing the water level of groundwater peatlands in KHG Pulang Pisau, 3) Analyzing parameter for water managements system of peatlands in KHG Pulang Pisau
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