| | 1990S | 2000S | 2010S |
祁连山区 QLM | 高寒荒漠面积 Alpine desert area (km2) | 53 061.69 | 47 135.91 | 42 569.46 |
萎缩量 Shrunk area of the alpine desert (km2) | 5 925.79 | 4 566.45 | - |
面积变化率 Area change ratio of the alpine desert | 0.11 | 0.10 | - |
东段 Eastern | 高寒荒漠面积 Alpine desert area (km2) | 1 926.49 | 1 805.77 | 1 720.33 |
萎缩量 Shrunk area of the alpine desert (km2) | 120.72 | 85.44 | - |
面积变化率 Area change ratio of the alpine desert | 0.06 | 0.05 | - |
中段 Middle | 高寒荒漠面积 Alpine desert area (km2) | 15 221.68 | 14 019.75 | 11 710.50 |
萎缩量 Shrunk area of the alpine desert (km2) | 1 201.92 | 2 309.26 | - |
面积变化率 Area change ratio of the alpine desert | 0.08 | 0.16 | - |
西段 Western | 高寒荒漠面积 Alpine desert area (km2) | 35 936.33 | 31 310.39 | 29 138.63 |
萎缩量 Shrunk area of the alpine desert (km2) | 4 625.94 | 2 171.75 | - |
面积变化率 Area change ratio of the alpine desert | 0.13 | 0.07 | - |