Jiuquan night lights from space

Night Light of Jiuquan (Gansu) from space (China) Src. Average luminocity for 10x10km area is 48.875% and for 50x50km: 8.0023%.

2016 2012 2003 1995

Analysis of Jiuquan night lights 2016

Square area 10x10 km:

100 9.74%
90-99 9.58%
80-89 5.68%
70-79 11.69%
60-69 4.38%
50-59 3.25%
40-49 6.66%
30-39 6.49%
20-29 11.85%
10-19 22.4%
0-9 8.28%

Square area 50x50 km:

100 0.9%
90-99 1.03%
80-89 0.72%
70-79 2.58%
60-69 0.63%
50-59 0.62%
40-49 1.15%
30-39 1.42%
20-29 2.37%
10-19 6.01%
0-9 82.57%

Clear (daylight) street map image can be seen on geolist.org.

Map coordinates:

40° 16' 54.1" North, 97° 48' 51.3" East

39° 44' 35.4" North, 98° 31' 2.5" East

39° 12' 1.5" North, 99° 13' 13.8" East

Distances WxH: 120.2×120.2 km


Some cities around Jiuquan sort by population:
Xining 447.5 km =278.1 mi, 140°
Wuwei 409.6 km =254.5 mi, 119°
Baiyin 608.6 km =378.2 mi, 125°
Jinchang 345.9 km =214.9 mi, 113°
Hami 541.5 km =336.5 mi, 309°
Jiayuguan 21.2 km =13.2 mi, 290°
Zhangye 189.1 km =117.5 mi, 118°
Laojunmiao 67.7 km =42.1 mi, 278°

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Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016