Dictionary of Geotourism

2020 Edition
| Editors: Anze Chen, Young Ng, Erkuang Zhang, Mingzhong Tian

Doline Landscape

Reference work entry
DOI: https://doi.org/10.1007/978-981-13-2538-0_527
This is a round or oval, enclosed or nearly enclosed funnel-shaped depression that is formed by dissolution or collapse. The diameter can range from several metres to tens of metres, and the depths can range from several metres to a hundred metres. Dolines are also called round depressions, dissolved dolines, dissolved funnels, limestone pits, disk pits and bucket pits. Based on the formation mode, dolines can be divided into two types: dissolution dolines, which are often associated with avens, and collapse dolines, which is formed by collapse of a cave’s roof slab. Based on the form, dolines can be divided into the well-shaped dolines, bucket-shaped dolines and saucer-shaped dolines. Under specific localised conditions, several other types of dolines can form (Fig. 22).
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