宁夏河东沙地沙丘冻融过程的时空差异 |
| 秦海琴, 张萍, 展秀丽, 火占华, 马娟利, 吴宏玥, 靳磊 |
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Spatial and temporal differences of freeze-thaw processes on dunes in the East Desert of the Yellow River in Ningxia |
| Haiqin QIN, Ping ZHANG, Xiuli ZHAN, Zhanhua HUO, Juanli MA, Hongyue WU, Lei JIN |
| 图1 研究区冻结期风向频率 |
| Fig.1 Rose graphs of frequency of wind direction during freezing period in Lingwu (a) and Yanchi (b) |
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