Water Availability Analysis of Sangkulirang-Mangkalihat Karst in Kutai Timur Regency, East Kalimantan Province
Date
2020Author
Irwan
Hardwinarto, Sigit
Sumaryono, Muhammad
Subagiyo, Lambang
Metadata
Show full item recordAbstract
The Sangkulirang-Mangkalihat area has tremendous natural resources one of them is water resources. The
availability of water in karst area needs to be recognizing in order to fulfill the water demand of the community around karst area. This study aims to identify water availability and water demand in karst area. Water availability identified by Thornthwaite-Mather water balance method and calculation of water demand performed for domestic water demand, agricultural water demand and livestock water demand. The result
shows that annual rainfall of karst area is 2036 mm/year. The amount of water availability is 177.6 million m3/year, while domestic water demand is 1.33 million m/year, agricultural water demand is 73 million m3/year
and livestock water demand is 142.8 thousand m3/year. Comparison between the availability of water and the water demand of karst area shows that the water conditions are still able to meet the needs of the community