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基于DEM的地球与火星格状沙丘对比分析
杨旭艳1(), 董治宝2(), 杨勤科1(), 李超2
Comparison of networked dunes in the Earth and the Mars based on DEM
Xuyan Yang1(), Zhibao Dong2(), Qinke Yang1(), Chao Li2

图2. 火星研究区位置示意图(A)及研究区沙丘放大图(B)
A图DEM数据来自USGS(https://astrogeology.usgs.gov/),空间分辨率463 m;注记来自《火星风沙地貌图》35。B图格状沙丘放大图DEM数据来自华盛顿大学行星数据系统(Planetary Data System, PDS)地学数据节点(https://ode.rsl.wustl.edu/mars/index.aspx),空间分辨率1 m

Fig.2. The location of the studied site in the Mars (A) and enlargement of studied site (B)