{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T13:36:40Z","timestamp":1753882600574,"version":"3.41.2"},"reference-count":30,"publisher":"Geological Society of London","issue":"2","license":[{"start":{"date-parts":[[2021,11,1]],"date-time":"2021-11-01T00:00:00Z","timestamp":1635724800000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-002"}],"content-domain":{"domain":["www.lyellcollection.org"],"crossmark-restriction":true},"short-container-title":["QJEGH"],"published-print":{"date-parts":[[2022,5]]},"abstract":"<jats:p>Water leakage has been reported from several dams constructed on karst terrains in Iran. In this study the main reasons for dam leakage were identified by studying 10 examples: the Lar, Kowsar, Seymareh, Tangab and Shah-Ghasem dams with considerable leakage, and the Karun I, Karun III, Karun IV, Salman Farsi and Marun dams with negligible leakage. The potential leakage passage (PLP) is defined as those parts of a karst aquifer that transfer reservoir water downstream. The most important control on leakage is in the narrowest part of the PLP, the \u2018bottleneck\u2019, which depends mainly on the geological setting. At the dams with negligible leakage, sealing of the PLPs was found to be technologically and economically feasible by connecting all the edges of the grout curtain to the natural impermeable barriers. In the cases of dams with considerable leakage, wider PLPs were not completely sealed and the installed grout curtain did not fully connect to the impermeable rock. To reduce the risk of leakage and inform effective design of grout curtains, the characteristics of the PLP should be determined during the initial stage of dam studies, and geological and hydrogeological information should be incorporated in the ground model. This study highlights the significant risk of engineering project failures that can occur if hydrogeological conditions are not properly assessed, understood and managed early in development of dam location, design and construction.<\/jats:p>","DOI":"10.1144\/qjegh2021-102","type":"journal-article","created":{"date-parts":[[2021,9,30]],"date-time":"2021-09-30T10:35:42Z","timestamp":1632998142000},"update-policy":"https:\/\/doi.org\/10.1144\/crossmark-policy","source":"Crossref","is-referenced-by-count":1,"title":["Potential leakage paths at the dams constructed on karst terrains in Iran"],"prefix":"10.1144","volume":"55","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8106-5655","authenticated-orcid":false,"given":"Morteza","family":"Mozafari","sequence":"first","affiliation":[{"name":"School of Geology, College of Science, University of Tehran, Tehran, Iran"}]},{"given":"Ezzat","family":"Raeisi","sequence":"additional","affiliation":[{"name":"Department of Earth Sciences, College of Sciences, Shiraz University, Shiraz, Iran"}]}],"member":"1881","published-online":{"date-parts":[[2021,11]]},"reference":[{"key":"e_1_3_5_2_1","doi-asserted-by":"publisher","DOI":"10.2475\/ajs.304.1.1"},{"key":"e_1_3_5_4_1","first-page":"118","article-title":"Influences of anticlinal structure on regional flow, Zagros, Iran","volume":"68","author":"Ashjari J.","year":"2006","unstructured":"Ashjari, J. and Raeisi, E. 2006. Influences of anticlinal structure on regional flow, Zagros, Iran. Cave and Karst Science, 68, 118\u2013129.","journal-title":"Cave and Karst Science"},{"key":"e_1_3_5_6_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00254-008-1599-z"},{"key":"e_1_3_5_7_1","first-page":"20","article-title":"The design of foundation treatment measures for dams on karst foundations","volume":"20","author":"Donnelly C.R.","year":"2009","unstructured":"Donnelly, C.R., Hinchberger, S. and Mohammadian, E. 2009. The design of foundation treatment measures for dams on karst foundations. 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Iranian Water Resources Management Company Dam characters in Iran."},{"key":"e_1_3_5_14_1","first-page":"271","article-title":"The Money Pit: Karst Failure of Anchor Dam","volume":"109","author":"Jarvis T.","year":"2003","unstructured":"Jarvis, T. 2003. The Money Pit: Karst Failure of Anchor Dam. Oklahoma Geological Survey Circular, 109, 271\u2013278.","journal-title":"Oklahoma Geological Survey Circular"},{"key":"e_1_3_5_15_1","first-page":"591","article-title":"Solubility of limestone and seepage problems in the left abutment of the Marun Dam, Southwest of Iran","volume":"3","author":"Kalantari N.A.","year":"2009","unstructured":"Kalantari, N.A. and Heydari, M.J. 2009. Solubility of limestone and seepage problems in the left abutment of the Marun Dam, Southwest of Iran. 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Taylor & Francis, London, 259\u2013265."},{"key":"e_1_3_5_22_1","doi-asserted-by":"publisher","DOI":"10.1201\/9780203499443"},{"key":"e_1_3_5_23_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00254-006-0545-1"},{"key":"e_1_3_5_24_1","doi-asserted-by":"publisher","DOI":"10.2113\/gseegeosci.21.4.325"},{"key":"e_1_3_5_25_1","doi-asserted-by":"publisher","DOI":"10.1007\/s12665-016-5844-6"},{"key":"e_1_3_5_26_1","doi-asserted-by":"publisher","DOI":"10.1144\/qjegh2017-016"},{"key":"e_1_3_5_27_1","doi-asserted-by":"publisher","DOI":"10.1007\/s12665-011-1069-x"},{"key":"e_1_3_5_28_1","doi-asserted-by":"publisher","DOI":"10.1007\/s12665-018-7326-5"},{"key":"e_1_3_5_29_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10064-021-02387-z"},{"key":"e_1_3_5_30_1","series-title":"Syracuse Geographical Series, No. 1","volume-title":"The Zagros Streams: A New Interpretation of Transverse Drainage in an Orogenic Zone","author":"Oberlander T.","year":"1965","unstructured":"Oberlander, T. 1965. The Zagros Streams: A New Interpretation of Transverse Drainage in an Orogenic Zone. Syracuse Geographical Series, No. 1. Syracuse University Press, Syracuse, NY."},{"key":"e_1_3_5_31_1","first-page":"65","article-title":"Karst phenomena and dam construction in Greece","volume":"207","author":"Pantzartzis P.","year":"1993","unstructured":"Pantzartzis, P., Emmanuelidis, G., Krapp, L. and Milanovic, P.T. 1993. Karst phenomena and dam construction in Greece. IAHS Publications, 207, 65\u201374.","journal-title":"IAHS Publications"},{"key":"e_1_3_5_33_1","first-page":"133","article-title":"Spanish experience in karst water resources","volume":"161","author":"Sahuquillo A.","year":"1985","unstructured":"Sahuquillo, A. 1985. Spanish experience in karst water resources. IAHS Publications, 161, 133\u2013147.","journal-title":"IAHS Publications"},{"key":"e_1_3_5_34_1","unstructured":"Schaefer J.A. 2009. Risk evaluation of dams on karst foundations. 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