Assessment of Abandoned Coal Mines as Urban Reservoirs

  • Qin Liu
  • Yajun SunEmail author
  • Zhimin Xu
  • Su Jiang
  • Peng Zhang
  • Binbin Yang
Technical Article


The closure of many coal mines has resulted in many being used as massive underground mine water storage systems in urban areas. We used a comprehensive fuzzy method to assess the suitability of abandoned coal mines as underground reservoirs. Five first-level and four second-level indices were chosen based on the hydrogeological conditions. The degree of membership of each index was determined and quantitatively graded into suitability grades of I–V using a trapezoidal fuzzy number membership function. The weight of each index was determined in accordance with information entropy. Abandoned mines in Xuzhou city were examined as a case study. The degree of suitability of the water in 14 abandoned mines was assessed. Six of the abandoned mines earned a suitability grade of I and II and should be given priority. The evaluation of abandoned mines as underground reservoirs provides a new means to potentially secure an emergency water supply in urban settings.


Water sources Degree of suitability Emergency water supply Fuzzy method 

Bewertung von stillgelegten Kohlebergwerken zur Nutzung als städtische Speicher


Die Schließung vieler Kohlebergwerke führte dazu, dass viele als unterirdische Wasserspeicher in städtischen Gebieten genutzt wurden. Mittels Fuzzy-Methode wurde die Eignung von stillgelegten Kohlebergwerken als Untergrundspeicher bewertet. Basierend auf den hydrogeologischen Bedingungen wurden fünf Indizes der ersten und vier Indizes der zweiten Ebene ausgewählt. Der Grad der Zugehörigkeit jedes Index wurde unter Verwendung einer trapezoiden Fuzzy-Zahl-Zugehörigkeitsfunktion bestimmt und quantitativ in Eignungsgrade von I bis V eingeteilt. Die Wichtung jedes Index wurde unter Berücksichtigung des Informationsgehaltes bestimmt. Die stillgelegten Bergwerke in der Stadt Xuzhou wurden in einer Fallstudie untersucht. Der Eignungsgrad des Wassers in 14 stillgelegten Bergwerken wurde bewertet. Sechs der stillgelegten Bergwerke wurden mit einem Eignungsgrad von I und II bewertet und sollten bevorzugt werden. Die Bewertung von stillgelegten Bergwerken als Untergrundspeicher liefert ein neues Mittel zur Sicherung der Notwasserversorgung städtischer Gebiete.

Evaluación de minas de carbón abandonadas como reservorios urbanos


El cierre de muchas minas de carbón ha dado lugar a que muchas se utilicen como sistemas masivos de almacenamiento subterráneo de agua en las zonas urbanas. Utilizamos un método difuso exhaustivo para evaluar la idoneidad de las minas de carbón abandonadas como depósitos subterráneos. Se eligieron cinco índices de primer nivel y cuatro de segundo nivel en función de las condiciones hidrogeológicas. El grado de membresía de cada índice se determinó y calificó cuantitativamente en grados de idoneidad de I a V utilizando una función de membresía difusa trapezoidal. El peso de cada índice se determinó de acuerdo con información entrópica. Las minas abandonadas en la ciudad de Xuzhou se examinaron como un caso de estudio. Se evaluó el grado de idoneidad del agua en 14 minas abandonadas. Seis de las minas abandonadas obtuvieron una calificación de idoneidad de I y II y se les debe dar prioridad. La evaluación de minas abandonadas como depósitos subterráneos proporciona un nuevo medio para proteger potencialmente un suministro de agua de emergencia en entornos urbanos.






The authors acknowledge the financial supported by NSFC (U1710253), the Project Funded by the Urban Geological Survey of Xuzhou, and the Key Research and Development Plan (Guide) project of Shanxi (201603D321003).


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.School of Resources and GeosciencesChina University of Mining and TechnologyXuzhouChina
  2. 2.Geological Survey of Jiangsu ProvinceNanjingChina
  3. 3.Shanxi Institute of Geology and Mineral ResourcesTaiyuanChina

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