Groundwater contamination in caves: four case studies in Spain

Groundwater quality was monitored in four Spanish caves using concentrations of nitrate, potassium, phosphorus and in some cases total organic carbon. Three of the caves are located in NW Spain and contain prehistoric cave paintings and hence have special conservation interest. Of these, two are ope...

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Main Authors: Monserrat Jiménez-Sanchez, Heather Stoll, Inaki Vadillo, Manolo Lopez-Chicano, Maria Dominguez-Cuesta, Wenceslao Martin-Rosales, Monica Melendez-Asensio
Format: Article
Language:English
Published: University of South Florida Libraries 2008-01-01
Series:International Journal of Speleology
Subjects:
Online Access:http://www.ijs.speleo.it/pdf/67.558.37_Jimenez-Sanchez.et.al.pdf
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author Monserrat Jiménez-Sanchez
Heather Stoll
Inaki Vadillo
Manolo Lopez-Chicano
Maria Dominguez-Cuesta
Wenceslao Martin-Rosales
Monica Melendez-Asensio
author_facet Monserrat Jiménez-Sanchez
Heather Stoll
Inaki Vadillo
Manolo Lopez-Chicano
Maria Dominguez-Cuesta
Wenceslao Martin-Rosales
Monica Melendez-Asensio
author_sort Monserrat Jiménez-Sanchez
collection DOAJ
description Groundwater quality was monitored in four Spanish caves using concentrations of nitrate, potassium, phosphorus and in some cases total organic carbon. Three of the caves are located in NW Spain and contain prehistoric cave paintings and hence have special conservation interest. Of these, two are open show caves (Tito Bustillo and Pindal Caves), while the other one (Herrerías Cave) is not managed for tours and is partially closed off to public access. The fourth cave (Las Maravillas Cave) is located in SW Spain and is opened to the public because of its geological features and natural beauty. In this paper, we compare two sampling methodologies used in the four caves. In Pindal and Herrerias Cave high temporal resolution is achieved with a dripwater collector that collects discrete samples every 48 hours. In Tito Bustillo and Las Maravillas Caves a higher spatial resolution is achieved (16 sampling points in each one), but with a frequency of sampling ranging from 15 days to 6 months. Wastewater and livestock waste appear to be the principal sources of contamination to cave waters. Caves with concentrated livestock (stables) or urban and residential wastewater systems directly situated above the cave exhibit the highest level of contamination detected in elevated concentrations of nitrogen species and in some cases depressed oxygen availability in waters.
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spelling doaj.art-7312cd953eed446185256f872f9658372022-12-21T20:19:04ZengUniversity of South Florida LibrariesInternational Journal of Speleology0392-66721827-806X2008-01-013715366Groundwater contamination in caves: four case studies in SpainMonserrat Jiménez-SanchezHeather StollInaki VadilloManolo Lopez-ChicanoMaria Dominguez-CuestaWenceslao Martin-RosalesMonica Melendez-AsensioGroundwater quality was monitored in four Spanish caves using concentrations of nitrate, potassium, phosphorus and in some cases total organic carbon. Three of the caves are located in NW Spain and contain prehistoric cave paintings and hence have special conservation interest. Of these, two are open show caves (Tito Bustillo and Pindal Caves), while the other one (Herrerías Cave) is not managed for tours and is partially closed off to public access. The fourth cave (Las Maravillas Cave) is located in SW Spain and is opened to the public because of its geological features and natural beauty. In this paper, we compare two sampling methodologies used in the four caves. In Pindal and Herrerias Cave high temporal resolution is achieved with a dripwater collector that collects discrete samples every 48 hours. In Tito Bustillo and Las Maravillas Caves a higher spatial resolution is achieved (16 sampling points in each one), but with a frequency of sampling ranging from 15 days to 6 months. Wastewater and livestock waste appear to be the principal sources of contamination to cave waters. Caves with concentrated livestock (stables) or urban and residential wastewater systems directly situated above the cave exhibit the highest level of contamination detected in elevated concentrations of nitrogen species and in some cases depressed oxygen availability in waters.http://www.ijs.speleo.it/pdf/67.558.37_Jimenez-Sanchez.et.al.pdfcavekarstwater contaminationgroundwaterdripwater
spellingShingle Monserrat Jiménez-Sanchez
Heather Stoll
Inaki Vadillo
Manolo Lopez-Chicano
Maria Dominguez-Cuesta
Wenceslao Martin-Rosales
Monica Melendez-Asensio
Groundwater contamination in caves: four case studies in Spain
International Journal of Speleology
cave
karst
water contamination
groundwater
dripwater
title Groundwater contamination in caves: four case studies in Spain
title_full Groundwater contamination in caves: four case studies in Spain
title_fullStr Groundwater contamination in caves: four case studies in Spain
title_full_unstemmed Groundwater contamination in caves: four case studies in Spain
title_short Groundwater contamination in caves: four case studies in Spain
title_sort groundwater contamination in caves four case studies in spain
topic cave
karst
water contamination
groundwater
dripwater
url http://www.ijs.speleo.it/pdf/67.558.37_Jimenez-Sanchez.et.al.pdf
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AT inakivadillo groundwatercontaminationincavesfourcasestudiesinspain
AT manololopezchicano groundwatercontaminationincavesfourcasestudiesinspain
AT mariadominguezcuesta groundwatercontaminationincavesfourcasestudiesinspain
AT wenceslaomartinrosales groundwatercontaminationincavesfourcasestudiesinspain
AT monicamelendezasensio groundwatercontaminationincavesfourcasestudiesinspain