Impact of DEM Resolution and Spatial Scale: Analysis of Influence Factors and Parameters on Physically Based Distributed Model
Table 2
Statistics information of influence factors.
Name
Resolution and threshold
Station number (controlled area/km2)
Slope/°
Total grids in stream links (area channel ratio)
/km
/
/km
/
Luanchuan
25060
2 (170)
12.09
429 (0.81)
428.64
0.185
39.78
0.0140
50015
8.56
199 (1.72)
422.87
0.167
36.46
0.0149
10007.5
6.33
65 (5.25)
634.82
0.124
29.64
0.0145
100035
6.33
28 (12.2)
1289.79
0.153
27.75
0.0141
Tantou
100035
6 (307)
5.98
179 (10.3)
7515.33
0.215
76.25
0.0155
Dongwan
100035
8 (321)
5.67
257 (10.0)
11010.55
0.245
109.31
0.0158
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