, Volume 11, Issue 3, pp 1089–1100 | Cite as

Loess Geoheritage and Geohazard Protective Measures at Luochuan Loess National Geopark in NW China

  • Genlong WangEmail author
  • Wanjun Ye
  • Yan Lv
Original Article


Luochuan Loess National Geopark does not only have a scientific research value regarding loess stratigraphy but also an ornamental value for its loess geomorphology. However, it is located in a region prone to geohazards, and the threats from loess geohazards should not be ignored. The famous loess-paleosol sequence section (Potou section) and some typical loess microtopography (e.g., loess column, loess wall, and loess bridge) have been introduced and appreciated. On the basis of fieldwork, some loess geohazards caused by earthquakes, rainfall, and freeze-thaw have been investigated. The three main factors of loess geohazards have been discussed, including loess vertical fissures, loess shear strength, and the freeze-thaw cycle. The results indicate that (1) loess vertical fissures can provide a path for surface water penetration and groundwater erosion, (2) a reduction in shear strength is an important cause for the occurrence of loess collapses induced by rainfall, and (3) repeated freeze-thaw cycles destroy loess’s integrity and lead to a reduction in shear strength. Finally, some protective measures such as monitoring of warning signs, reinforcement projects, drainage systems, and monitoring of geohazards have been implemented by the local government.


Loess column Loess collapse Loess vertical fissure Freeze-thaw 



This work was supported by the National Natural Science Foundation of China (Grant nos. 41672305, 41530640, and 41772323). The authors would like to thank the reviewers and Editor-in-Chief Kevin Page for their valuable comments on an earlier draft of this paper. We thank LetPub ( for its linguistic assistance during the preparation of this manuscript.


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Copyright information

© The European Association for Conservation of the Geological Heritage 2019

Authors and Affiliations

  1. 1.Key Laboratory for Geo-hazards in Loess Area, Xi’an Center of Geological SurveyChina Geological SurveyXi’anChina
  2. 2.College of Civil and Architectural EngineeringXi’an University of Science and TechnologyXi’anChina
  3. 3.School of Geological Engineering and GeomaticsChang’an UniversityXi’anChina

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