黑龙江流域海拔高度空间分布图
发布时间 ：2025-12-21 11:52:44 UTC
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On the basis of ASTER-DEM data, after data denoising and reconstruction, it is divided into 8 levels according to changes in altitude, namely: Level 1 (<50 meters), Level 2 (50-100 meters), Level 3 (100-200 meters), Level 4 (200-500 meters), Level 5 (500-1000 meters), Level 6 (1000-1500 meters), Level 7 (1500-2000 meters), and Level 8 (>2000 meters). Data source（ https://geodoi.ac.cn/doi.aspx?doi=10.3974/geodb.2016.04.17.V1 ）