Hydrogeological Characterization of the Gunungsewu Karst Area in the Upper Reach of Gremeng Karst Drainage Basin, Indonesia

The definition of a karst drainage basin in the aquifer of the karst area is an absolute thing to do as a water resource management unit. This research aimed to characterize the hydrogeology of the Gunungsewu Karst Area in the upper reach of the Gremeng Karst Drainage Basin. For this purpose, it was...

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Autores principales:	Cahyadi Ahmad, Adjis Tjahyo Nugroho, Haryono Eko, Widyastuti Margaretha
Formato:	article
Lenguaje:	EN FR
Publicado:	EDP Sciences 2021
Materias:	Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/40b5d50265ad4567af9dc80c82bc0b1e
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spelling	oai:doaj.org-article:40b5d50265ad4567af9dc80c82bc0b1e2021-12-02T17:11:57ZHydrogeological Characterization of the Gunungsewu Karst Area in the Upper Reach of Gremeng Karst Drainage Basin, Indonesia2267-124210.1051/e3sconf/202132508006https://doaj.org/article/40b5d50265ad4567af9dc80c82bc0b1e2021-01-01T00:00:00Zhttps://www.e3s-conferences.org/articles/e3sconf/pdf/2021/101/e3sconf_icst2021_08006.pdfhttps://doaj.org/toc/2267-1242The definition of a karst drainage basin in the aquifer of the karst area is an absolute thing to do as a water resource management unit. This research aimed to characterize the hydrogeology of the Gunungsewu Karst Area in the upper reach of the Gremeng Karst Drainage Basin. For this purpose, it was divided into three stages, namely geological survey, speleological survey, and artificial tracer test. The results indicate that the area observed lies in two or more geological formations: Semilir Formation, composed of sandstone and tuff from the ancient volcano Wonodadi eruptions, and Wonosari Formation, in which carbonate rocks consisting of massive coral limestone and bedded chalky limestone predominate. In volcanic rocks, the surface rivers have developed into allogenic streams flowing from underlying beds exposed updip. The contact between the two different formations results in the formation of ponors and springs. The artificial tracer test revealed two underground river systems with single conduits controlled by the allogenic rivers and large slope gradients in the study area.Cahyadi AhmadAdjis Tjahyo NugrohoHaryono EkoWidyastuti MargarethaEDP SciencesarticleEnvironmental sciencesGE1-350ENFRE3S Web of Conferences, Vol 325, p 08006 (2021)
institution	DOAJ
collection	DOAJ
language	EN FR
topic	Environmental sciences GE1-350
spellingShingle	Environmental sciences GE1-350 Cahyadi Ahmad Adjis Tjahyo Nugroho Haryono Eko Widyastuti Margaretha Hydrogeological Characterization of the Gunungsewu Karst Area in the Upper Reach of Gremeng Karst Drainage Basin, Indonesia
description	The definition of a karst drainage basin in the aquifer of the karst area is an absolute thing to do as a water resource management unit. This research aimed to characterize the hydrogeology of the Gunungsewu Karst Area in the upper reach of the Gremeng Karst Drainage Basin. For this purpose, it was divided into three stages, namely geological survey, speleological survey, and artificial tracer test. The results indicate that the area observed lies in two or more geological formations: Semilir Formation, composed of sandstone and tuff from the ancient volcano Wonodadi eruptions, and Wonosari Formation, in which carbonate rocks consisting of massive coral limestone and bedded chalky limestone predominate. In volcanic rocks, the surface rivers have developed into allogenic streams flowing from underlying beds exposed updip. The contact between the two different formations results in the formation of ponors and springs. The artificial tracer test revealed two underground river systems with single conduits controlled by the allogenic rivers and large slope gradients in the study area.
format	article
author	Cahyadi Ahmad Adjis Tjahyo Nugroho Haryono Eko Widyastuti Margaretha
author_facet	Cahyadi Ahmad Adjis Tjahyo Nugroho Haryono Eko Widyastuti Margaretha
author_sort	Cahyadi Ahmad
title	Hydrogeological Characterization of the Gunungsewu Karst Area in the Upper Reach of Gremeng Karst Drainage Basin, Indonesia
title_short	Hydrogeological Characterization of the Gunungsewu Karst Area in the Upper Reach of Gremeng Karst Drainage Basin, Indonesia
title_full	Hydrogeological Characterization of the Gunungsewu Karst Area in the Upper Reach of Gremeng Karst Drainage Basin, Indonesia
title_fullStr	Hydrogeological Characterization of the Gunungsewu Karst Area in the Upper Reach of Gremeng Karst Drainage Basin, Indonesia
title_full_unstemmed	Hydrogeological Characterization of the Gunungsewu Karst Area in the Upper Reach of Gremeng Karst Drainage Basin, Indonesia
title_sort	hydrogeological characterization of the gunungsewu karst area in the upper reach of gremeng karst drainage basin, indonesia
publisher	EDP Sciences
publishDate	2021
url	https://doaj.org/article/40b5d50265ad4567af9dc80c82bc0b1e
work_keys_str_mv	AT cahyadiahmad hydrogeologicalcharacterizationofthegunungsewukarstareaintheupperreachofgremengkarstdrainagebasinindonesia AT adjistjahyonugroho hydrogeologicalcharacterizationofthegunungsewukarstareaintheupperreachofgremengkarstdrainagebasinindonesia AT haryonoeko hydrogeologicalcharacterizationofthegunungsewukarstareaintheupperreachofgremengkarstdrainagebasinindonesia AT widyastutimargaretha hydrogeologicalcharacterizationofthegunungsewukarstareaintheupperreachofgremengkarstdrainagebasinindonesia
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Hydrogeological Characterization of the Gunungsewu Karst Area in the Upper Reach of Gremeng Karst Drainage Basin, Indonesia

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