地形因子 | 分段 | 2000年人口 | 2010年人口 | 2020年人口 | 土地 | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
占比 | 累积占比 | 占比 | 累积占比 | 占比 | 累积占比 | 占比 | 累积占比 | |||||
海拔 | <20 m | 19.72 | 19.72 | 21.24 | 21.24 | 22.97 | 22.97 | 3.15 | 3.15 | |||
20~<50 m | 17.81 | 37.53 | 17.93 | 39.17 | 17.93 | 40.90 | 3.54 | 6.69 | ||||
50~<100 m | 12.91 | 50.44 | 13.10 | 52.27 | 13.06 | 53.96 | 3.44 | 10.13 | ||||
100~<200 m | 11.62 | 62.06 | 11.69 | 63.96 | 11.50 | 65.46 | 5.69 | 15.82 | ||||
200~<500 m | 16.65 | 78.71 | 15.45 | 79.41 | 14.37 | 79.83 | 12.07 | 27.89 | ||||
500~<1000 m | 9.32 | 88.03 | 8.77 | 88.18 | 8.42 | 88.25 | 15.89 | 43.78 | ||||
1000~<2000 m | 9.72 | 97.75 | 9.62 | 97.80 | 9.51 | 97.76 | 24.61 | 68.39 | ||||
2000~<3000 m | 1.77 | 99.52 | 1.70 | 99.50 | 1.69 | 99.45 | 5.96 | 74.35 | ||||
3000~<4000 m | 0.27 | 99.79 | 0.29 | 99.79 | 0.30 | 99.75 | 5.82 | 80.17 | ||||
≥4000 m | 0.21 | 100.00 | 0.21 | 100.00 | 0.25 | 100.00 | 19.83 | 100.00 | ||||
起伏度 | <10 m | 3.08 | 3.08 | 2.87 | 2.87 | 2.72 | 2.72 | 2.07 | 2.07 | |||
10~<20 m | 21.32 | 24.40 | 21.38 | 24.25 | 21.32 | 24.04 | 9.80 | 11.87 | ||||
20~<50 m | 24.60 | 49.00 | 25.79 | 50.04 | 26.86 | 50.90 | 14.97 | 26.84 | ||||
50~<100 m | 15.17 | 64.17 | 15.67 | 65.71 | 15.86 | 66.76 | 13.04 | 39.88 | ||||
100~<200 m | 14.84 | 79.01 | 15.04 | 80.75 | 14.84 | 81.60 | 14.83 | 54.71 | ||||
200~<300 m | 8.90 | 87.91 | 8.58 | 89.33 | 8.29 | 89.89 | 12.09 | 66.80 | ||||
300~<500 m | 8.25 | 96.16 | 7.37 | 96.70 | 6.96 | 96.85 | 15.77 | 82.57 | ||||
500~<750 m | 3.00 | 99.16 | 2.56 | 99.26 | 2.42 | 99.27 | 10.80 | 93.37 | ||||
750~<1000 m | 0.64 | 99.80 | 0.56 | 99.82 | 0.55 | 99.82 | 4.40 | 97.77 | ||||
≥1000 m | 0.20 | 100.00 | 0.18 | 100.00 | 0.18 | 100.00 | 2.23 | 100.00 | ||||
坡度 | <2° | 28.36 | 28.36 | 28.58 | 28.58 | 28.39 | 28.39 | 17.83 | 17.83 | |||
2°~<4° | 30.14 | 58.50 | 31.92 | 60.50 | 33.13 | 61.52 | 20.18 | 38.01 | ||||
4°~<6° | 8.84 | 67.34 | 9.35 | 69.85 | 9.56 | 71.08 | 7.73 | 45.74 | ||||
6°~<9° | 7.79 | 75.13 | 7.84 | 77.69 | 7.69 | 78.77 | 7.86 | 53.60 | ||||
9°~<12° | 5.67 | 80.80 | 5.51 | 83.20 | 5.29 | 84.06 | 6.63 | 60.23 | ||||
12°~<15° | 5.13 | 85.93 | 4.75 | 87.95 | 4.53 | 88.59 | 6.56 | 66.79 | ||||
15°~<20° | 7.20 | 93.13 | 6.29 | 94.24 | 5.95 | 94.54 | 11.37 | 78.16 | ||||
20°~<25° | 4.28 | 97.41 | 3.59 | 97.83 | 3.39 | 97.93 | 9.73 | 87.89 | ||||
25°~<30° | 1.83 | 99.24 | 1.52 | 99.35 | 1.45 | 99.38 | 6.88 | 94.77 | ||||
≥ 30° | 0.76 | 100.00 | 0.65 | 100.00 | 0.62 | 100.00 | 5.23 | 100.00 |