1987 - 2018年祁连山冰川变化遥感监测及影响因子分析

汪赢政, 李佳, 吴立新, 郭磊, 李建江

Using remote sensing images to monitor the glacier changes in Qilian Mountains during 1987 - 2018 and analyzing the impact factors

Yingzheng WANG, Jia LI, Lixin WU, Lei GUO, Jianjiang LI

表5 基于高分辨率影像的冰川边界精度验证结果

Table 5 The results of accuracy evaluation of glacier boundary based on high resolution images

子区域	经度/E	纬度/N	海拔/m	影像	面积/km²	差别/km²	比率/%
1	97.31° ~ 97.74°	38.51° ~ 38.76°	4 400 ~ 5 500	Landsat	87.38	0.98	1.13
1	97.31° ~ 97.74°	38.51° ~ 38.76°	4 400 ~ 5 500	GF-1	86.40	0.98	1.13
2	96.04° ~ 96.46°	38.40° ~ 38.69°	4 600 ~ 5 550	Landsat	33.10	-0.66	-1.95
2	96.04° ~ 96.46°	38.40° ~ 38.69°	4 600 ~ 5 550	GF-1	33.76	-0.66	-1.95
3	95.50° ~ 95.75°	38.92° ~ 39.05°	4 550 ~ 5 200	Landsat	5.02	-0.05	-1.00
3	95.50° ~ 95.75°	38.92° ~ 39.05°	4 550 ~ 5 200	GF-2	5.07	-0.05	-1.00
4	95.67° ~ 96.01°	38.34° ~ 38.48°	4 650 ~ 5 450	Landsat	28.30	0.68	2.46
4	95.67° ~ 96.01°	38.34° ~ 38.48°	4 650 ~ 5 450	GF-2	27.62	0.68	2.46
5	96.33° ~ 96.76°	38.03° ~ 38.30°	4 600 ~ 5 700	Landsat	120.71	-0.97	0.80
5	96.33° ~ 96.76°	38.03° ~ 38.30°	4 600 ~ 5 700	ZY3-01	121.68	-0.97	0.80
6	96.29° ~ 96.73°	39.23° ~ 39.58°	4 300 ~ 5 450	Landsat	121.99	-2.72	-2.18
6	96.29° ~ 96.73°	39.23° ~ 39.58°	4 300 ~ 5 450	ZY3-02	124.71	-2.72	-2.18