Dictionary of Geotourism

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

Loess Flat Ridge Landscape

Reference work entry
DOI: https://doi.org/10.1007/978-981-13-2538-0_1435
This is also called a ‘loess liang landscape’ and is characterised by erosion of loess along elongated strips of highlands parallel to the adjacent gullies and valleys. A liang is often the remnant of a yuan that has been eroded further. Due to backward erosion, the gullies on both sides of a liang tend to extend through the liang ridge, forming a narrow saddle. Loess liangs vary in width from less than 1 km to tens of kilometres. A wide laing can be more than 100 m wide, and its ridge is called a ‘yaolian’. Typical liangs can be found in Yan’an, Ansai and Baiyu Mountain in northern Shaanxi Province and in eastern Gansu Province (Fig. 34).
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