Application of Hydrogeological Mapping and Geospatial Analysis to Determine Recharge and Discharge Areas in Sumowono Groundwater Basin

Sumowono groundwater basin is locating at Semarang Regency, Temanggung Regency, and some part in Kendal Regency. Increasing population growth in the Sumowono groundwater basin area is the cause of increasing water demand. This study aims to determine groundwater utility by the community, the value o...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2020-03, Vol.448 (1), p.12024
Main Authors: Putranto, T T, Susanto, N, Pangestuti, DR, Alexander, K
Format: Article
Language:English
Subjects:
Breccia
Clay
Discharge
Electrical conductivity
Electrical resistivity
Fisheries
Fishery industry
Geological mapping
Geology
Groundwater
Groundwater basins
Hydrogeology
Mapping
Parameters
Population growth
Rainfall
Recharge
Recharge areas
Research methods
Sandstone
Sandy soils
Soil water
Soils
Spatial analysis
Water demand
Water depth
Water table
Water table depth
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Summary:Sumowono groundwater basin is locating at Semarang Regency, Temanggung Regency, and some part in Kendal Regency. Increasing population growth in the Sumowono groundwater basin area is the cause of increasing water demand. This study aims to determine groundwater utility by the community, the value of each determinant parameters of the recharge area, and the distribution of recharge and discharge areas. The research methods were hydrogeological mapping and geospatial analysis, which includes combining several geological and hydrogeological parameters, namely hydraulic conductivity, precipitation, soil cover, slope, water table depth, and electrical conductivity (EC). Based on the result of the hydrogeological mapping, groundwater is mainly used for irrigation, fisheries, industry and domestic purposes. The soil covers consist of sandy clay and clay sand. The slope has a value of 0°-40°. Rainfall has a range 2, 500-3, 200 mm/year, depth of water table is up to 20 m below ground surface. The hydraulic conductivity values are 3.1 m/day (tuffaceous sandstone), and 270 m/day (volcanic breccia) with the EC values is 36-550 µS/cm. Based on the results of the geospatial analysis, the recharge area is spreading in the south and the east, while the discharge area is located in the northern part of the study area.
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/448/1/012024