Morphological Characteristics and Genetic Analysis of Yardangs in Qaidam Basin, China

doi:10.7522/j.issn.1000-694X.2019.00038

Journal of Desert Research ›› 2019, Vol. 39 ›› Issue (3): 214-220.DOI: 10.7522/j.issn.1000-694X.2019.00038

Morphological Characteristics and Genetic Analysis of Yardangs in Qaidam Basin, China

Liu Hongying^1,2, Dong Zhibao³

1. Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, China;
2. University of Chinese Academy of Sciences, Beijing 100049, China;
3. School of Geography and Tourism, Shaanxi Normal University, Xi'an 710119, China

Received:2019-04-01 Revised:2019-05-04 Published:2019-06-10

Abstract

Abstract: Yardang geomorphology is a typical combination of wind erosion geomorphology with furrows and ridges. Based on remote sensing images and meteorological data, the distribution, morphological characteristics and development environment of yardangs in Qaidam Basin are studied in this paper. The results show that there is a good positive correlation between length (l) and width (w), that is, l=3.8685w+7.7109. The morphology of yardangs is affected by topography, stratigraphic properties, climatic conditions and external forces. The main wind direction of Qaidam Basin is WNW and NW, which is consistent with the long axis strike of yardangs in this area, indicating that the formation of yardangs in the study area mainly depends on wind erosion.

Key words: aeolian landform, yardang, morphology, Qaidam Basin

CLC Number:

P931.3

Liu Hongying, Dong Zhibao. Morphological Characteristics and Genetic Analysis of Yardangs in Qaidam Basin, China[J]. Journal of Desert Research, 2019, 39(3): 214-220.

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Morphological Characteristics and Genetic Analysis of Yardangs in Qaidam Basin, China

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