Distribution pattern of Gunung Sewu karst doline water utilization: A case study of doline in Semanu and Ponjong Sub Subdistrict, Gunungkidul Regency)

D. T. Reynaldi, A. Damayanti, Taqyuddin

Research output: Contribution to journalConference articlepeer-review

Abstract

Gunungkidul Regency is part of the Gunung Sewu karst mega system, which has diverse morphology. The karst landscape has its uniqueness to the geohydrological system, which makes it difficult for people to use underground water. Consequently, people are more likely to use surface water. The presence of surface water is significant for the community to meet their water needs. Doline is one of the surface water resources in the karst region, which plays an essential role in meeting the water needs of the surrounding community. Semanu and Ponjong Sub Subdistricts in Gunungkidul Regency have surface water resources in the form of the doline. The purpose of this study is to determine the distribution pattern of doline water utilization based on altitude, slope, and characteristics of the doline. The variables used are doline location, land use, elevation, slope, and doline morphometry. Data were obtained from relevant agencies and field surveys. The approach method used was the spatial pattern to analyze the distribution pattern of doline water utilization. The types of doline water utilization in the research area consists of agricultural irrigation use and for domestic needs. Doline distribution in the study area has a clustering pattern. The water utilization pattern for agricultural irrigation tends to be towards the west and south of the doline. The water utilization for domestic and community consumption has a random pattern. Doline morphometry does not affect the variation of doline water utilization patterns. Meanwhile, the altitude and slope at the doline location result in a variety of the doline water utilization in the study area. The higher the doline location and the bigger the slope, then the more various usage of doline water will be.

Original languageEnglish
Article number012004
JournalIOP Conference Series: Earth and Environmental Science
Volume535
Issue number1
DOIs
Publication statusPublished - 10 Aug 2020
EventInternational Conference on Tropical Limnology 2019, Troplimno 2019 - Bogor, Indonesia
Duration: 28 Aug 201929 Aug 2019

Keywords

  • Doline
  • karst
  • pattern
  • utilization
  • water

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