藏东南波堆藏布江流域古乡冰期冰川重建
覃长雄,许刘兵,谢金明,周尚哲

Glacier reconstruction of the Guxiang Glaciation in the Bodui Zangbo Valley in southeastern Tibet
Changxiong QIN,Liubing XU,Jinming XIE,Shangzhe ZHOU
表4 不同空间插值方法得到的古冰面高程精度对比
Table 4 Precision comparison of paleo-glacier surface elevation estimated from different spatial interpolation methods
编号实测高程/m高程插值/m绝对误差/m相对误差/%
IDWUKOKIDWUKOKIDWUKOK
12 678.7422 678.0723 025.9292 956.5660.67347.19277.820.025-12.961-10.371
22 705.9312 706.7102 923.1672 882.9670.78217.24177.04-0.029-8.028-6.543
32 718.1232 719.0802 834.1482 811.3060.96116.0393.18-0.035-4.269-3.428
42 734.3592 733.1842 911.7022 881.4331.18177.34147.070.043-6.486-5.379
52 753.0432 753.5312 753.0872 753.0870.490.040.05-0.018-0.002-0.002
62 776.8282 776.5002 980.9472 946.6290.33204.12169.800.012-7.351-6.115
72 783.3992 783.7112 971.0172 940.6390.31187.62157.24-0.011-6.741-5.649
82 791.6362 790.3932 871.9722 859.9991.2480.3468.360.044-2.878-2.449
92 813.2752 813.4932 920.0512 909.3090.22106.7896.03-0.007-3.796-3.413
103 889.4263 885.1173 991.4503 989.1364.31102.0299.710.111-2.623-2.564