Cave development in the Qatar peninsula: insights on their origin and associated geohazards

Abstract

Cave development in the Qatar peninsula: insights on their origin and associated geohazardsThe geology of the State of Qatar comprises large spans of carbonate rocks at the surface and evaporitic rocks at shallow depth, and a number karst features (depressions, caves) spread across the country that may cause challenges during land development or infrastructure construction. The government of Qatar has identified that existing geodatabases and geological and hydrogeological maps require improvement to mitigate this risk. In this framework, a thorough assessment of the karst geohazard has been performed including a karst features survey, geologic study of karstification, and an assessment of associated ground subsidence related to karst. The main findings indicate the existence of two types of caves: one corresponding to shallow subsurface dissolution caves developed under phreatic conditions in the past and truncated by erosion at a later stage, the other corresponding to large roof collapse caves originating at depth (intrastratal karst). These latter caves are systematically located on the edge of large depressions. In agreement with the existing literature, it is proposed that the depressions and collapse caves are part of a same collapse/sagging process caused by loss of material at depth (e.g., dissolution of evaporites, compaction of weathered dolostone, or incremental collapse of coalesced Izvleček

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BibTeX

@article{perrin2026cave,
  title = {{Cave development in the Qatar peninsula: insights on their origin and associated geohazards}},
  author = {Jerome Perrin and Gildas Noury and Silvain Yart and Cecile Allanic and Alexandre Ortiz and Renaud Couëffé and Florian Masson and Melisende Métais Bossard and Bastien Lemaire and Oliver Higgins and Boris Matti and Clement Lerevenu and Richeshkumar Pillai and Emmanuel Vartanian and Salem Al-Yafei and Elalim Ahmed and Umi Salmah Samad and Sayed Bukhari},
  journal = {Acta Carsologica},
  year = {2026},
  month = aug,
  doi = {10.3986/ac.v55i1.14814},
  url = {https://hal.science/hal-05743494v1},
  note = {CC BY 4.0},
}

RIS

TY  - JOUR
TI  - Cave development in the Qatar peninsula: insights on their origin and associated geohazards
AU  - Jerome Perrin
AU  - Gildas Noury
AU  - Silvain Yart
AU  - Cecile Allanic
AU  - Alexandre Ortiz
AU  - Renaud Couëffé
AU  - Florian Masson
AU  - Melisende Métais Bossard
AU  - Bastien Lemaire
AU  - Oliver Higgins
AU  - Boris Matti
AU  - Clement Lerevenu
AU  - Richeshkumar Pillai
AU  - Emmanuel Vartanian
AU  - Salem Al-Yafei
AU  - Elalim Ahmed
AU  - Umi Salmah Samad
AU  - Sayed Bukhari
PY  - 2026
DA  - 2026/08/17
JO  - Acta Carsologica
DO  - 10.3986/ac.v55i1.14814
UR  - https://hal.science/hal-05743494v1
AB  - Cave development in the Qatar peninsula: insights on their origin and associated geohazardsThe geology of the State of Qatar comprises large spans of carbonate rocks at the surface and evaporitic rocks at shallow depth, and a number karst features (depressions, caves) spread across the country that may cause challenges during land development or infrastructure construction. The government of Qatar has identified that existing geodatabases and geological and hydrogeological maps require improvement to mitigate this risk. In this framework, a thorough assessment of the karst geohazard has been performed including a karst features survey, geologic study of karstification, and an assessment of associated ground subsidence related to karst. The main findings indicate the existence of two types of caves: one corresponding to shallow subsurface dissolution caves developed under phreatic conditions in the past and truncated by erosion at a later stage, the other corresponding to large roof collapse caves originating at depth (intrastratal karst). These latter caves are systematically located on the edge of large depressions. In agreement with the existing literature, it is proposed that the depressions and collapse caves are part of a same collapse/sagging process caused by loss of material at depth (e.g., dissolution of evaporites, compaction of weathered dolostone, or incremental collapse of coalesced Izvleček
SN  - 0583-6050
ER  -

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