COCKPIT-PLUS: A proposed method for rapid groundwater vulnerability-driven land use zoning in tropical cockpit karst areas

Karst groundwater is highly vulnerable to contamination, which urges better land use zoning. This paper proposes a new approach, called COCKPIT-PLUS, to minimize groundwater contamination within cockpit karst regions. The method employed four parameters: P (the existence of ponor/swallow hole), L (l...

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Main Authors: Haryono, Eko, Kholis, Afid Nur, Widyastuti, Margaretha, Cahyadi, Ahmad, Pradipa, Hanindha, Adji, Tjahyo Nugroho
Format: Article
Language:English
Published: Beijing Normal University Press 2023
Subjects:
Online Access:https://repository.ugm.ac.id/286362/1/scopus%20%289%29.bib
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author Haryono, Eko
Kholis, Afid Nur
Widyastuti, Margaretha
Cahyadi, Ahmad
Pradipa, Hanindha
Adji, Tjahyo Nugroho
author_facet Haryono, Eko
Kholis, Afid Nur
Widyastuti, Margaretha
Cahyadi, Ahmad
Pradipa, Hanindha
Adji, Tjahyo Nugroho
author_sort Haryono, Eko
collection UGM
description Karst groundwater is highly vulnerable to contamination, which urges better land use zoning. This paper proposes a new approach, called COCKPIT-PLUS, to minimize groundwater contamination within cockpit karst regions. The method employed four parameters: P (the existence of ponor/swallow hole), L (lineament density), U (sinking stream to an underground river), and S (distance to spring/pumping site). These parameters are essential for identifying contaminant pathways and transport from the surface to the karst groundwater/springs. COCKPIT-PLUS has been developed and validated in the Gunungsewu karst in Java, Indonesia. This research considers a cockpit as a single hydrological unit that uniquely recharges karst groundwater. We analyzed 2,811 cockpits and 81 other closed depressions to develop a land use planning map. The research used the time to first arrival (Ta), time to peak (Tp), and Qmax/min ratio parameters of two karst springs and two underground pumping sites for validation. Cockpits with ponors/swallow holes, sinking streams, high lineament density, and short distances to springs are vulnerable to groundwater and thus must be restricted areas for any land uses. The findings show that though the COCKPIT-PLUS uses a limited karst dataset, the proposed method seems reliable enough for a rapid land-use zoning approach in cockpit karst areas. © 2023
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spelling oai:generic.eprints.org:2863622024-08-29T02:46:28Z https://repository.ugm.ac.id/286362/ COCKPIT-PLUS: A proposed method for rapid groundwater vulnerability-driven land use zoning in tropical cockpit karst areas Haryono, Eko Kholis, Afid Nur Widyastuti, Margaretha Cahyadi, Ahmad Pradipa, Hanindha Adji, Tjahyo Nugroho Surfacewater Hydrology Karst groundwater is highly vulnerable to contamination, which urges better land use zoning. This paper proposes a new approach, called COCKPIT-PLUS, to minimize groundwater contamination within cockpit karst regions. The method employed four parameters: P (the existence of ponor/swallow hole), L (lineament density), U (sinking stream to an underground river), and S (distance to spring/pumping site). These parameters are essential for identifying contaminant pathways and transport from the surface to the karst groundwater/springs. COCKPIT-PLUS has been developed and validated in the Gunungsewu karst in Java, Indonesia. This research considers a cockpit as a single hydrological unit that uniquely recharges karst groundwater. We analyzed 2,811 cockpits and 81 other closed depressions to develop a land use planning map. The research used the time to first arrival (Ta), time to peak (Tp), and Qmax/min ratio parameters of two karst springs and two underground pumping sites for validation. Cockpits with ponors/swallow holes, sinking streams, high lineament density, and short distances to springs are vulnerable to groundwater and thus must be restricted areas for any land uses. The findings show that though the COCKPIT-PLUS uses a limited karst dataset, the proposed method seems reliable enough for a rapid land-use zoning approach in cockpit karst areas. © 2023 Beijing Normal University Press 2023 Article PeerReviewed text/html en https://repository.ugm.ac.id/286362/1/scopus%20%289%29.bib Haryono, Eko and Kholis, Afid Nur and Widyastuti, Margaretha and Cahyadi, Ahmad and Pradipa, Hanindha and Adji, Tjahyo Nugroho (2023) COCKPIT-PLUS: A proposed method for rapid groundwater vulnerability-driven land use zoning in tropical cockpit karst areas. Geography and Sustainability, 4 (4). 305 – 317. 10.1016/j.geosus.2023.07.002
spellingShingle Surfacewater Hydrology
Haryono, Eko
Kholis, Afid Nur
Widyastuti, Margaretha
Cahyadi, Ahmad
Pradipa, Hanindha
Adji, Tjahyo Nugroho
COCKPIT-PLUS: A proposed method for rapid groundwater vulnerability-driven land use zoning in tropical cockpit karst areas
title COCKPIT-PLUS: A proposed method for rapid groundwater vulnerability-driven land use zoning in tropical cockpit karst areas
title_full COCKPIT-PLUS: A proposed method for rapid groundwater vulnerability-driven land use zoning in tropical cockpit karst areas
title_fullStr COCKPIT-PLUS: A proposed method for rapid groundwater vulnerability-driven land use zoning in tropical cockpit karst areas
title_full_unstemmed COCKPIT-PLUS: A proposed method for rapid groundwater vulnerability-driven land use zoning in tropical cockpit karst areas
title_short COCKPIT-PLUS: A proposed method for rapid groundwater vulnerability-driven land use zoning in tropical cockpit karst areas
title_sort cockpit plus a proposed method for rapid groundwater vulnerability driven land use zoning in tropical cockpit karst areas
topic Surfacewater Hydrology
url https://repository.ugm.ac.id/286362/1/scopus%20%289%29.bib
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