A remote water source helps giant sand dunes to stand their ground in a windy desert.
Abstract
The Badain Jaran desert in western Inner Mongolia in China has a unique landscape that contains 72 lakes, with a total water surface area of 23 km2, and the world's highest stationary sand dunes, which are up to 500 m tall — despite the prevailing dry and windy weather conditions1,2. Here we present evidence of a major groundwater system that underpins the factors leading to this landscape. Our finding could transform plans for the region's water resources.
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Supplementary information
Supplementary Figure S1
Map of the study area. (DOC 153 kb)
Supplementary Figure S2
Schematic diagram of the groundwater system. (DOC 4628 kb)
Supplementary Method
Estimation of the groundwater yield. (DOC 22 kb)
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Chen, J., Li, L., Wang, J. et al. Groundwater maintains dune landscape. Nature 432, 459–460 (2004). https://doi.org/10.1038/432459a
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DOI: https://doi.org/10.1038/432459a
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