all non-impervious areas
1% imperviousness value
2% imperviousness value
3% imperviousness value
4% imperviousness value
5% imperviousness value
6% imperviousness value
7% imperviousness value
8% imperviousness value
9% imperviousness value
10% imperviousness value
11% imperviousness value
12% imperviousness value
13% imperviousness value
14% imperviousness value
15% imperviousness value
16% imperviousness value
17% imperviousness value
18% imperviousness value
19% imperviousness value
20% imperviousness value
21% imperviousness value
22% imperviousness value
23% imperviousness value
24% imperviousness value
25% imperviousness value
26% imperviousness value
27% imperviousness value
28% imperviousness value
29% imperviousness value
30% imperviousness value
31% imperviousness value
32% imperviousness value
33% imperviousness value
34% imperviousness value
35% imperviousness value
36% imperviousness value
37% imperviousness value
38% imperviousness value
39% imperviousness value
40% imperviousness value
41% imperviousness value
42% imperviousness value
43% imperviousness value
44% imperviousness value
45% imperviousness value
46% imperviousness value
47% imperviousness value
48% imperviousness value
49% imperviousness value
50% imperviousness value
51% imperviousness value
52% imperviousness value
53% imperviousness value
54% imperviousness value
55% imperviousness value
56% imperviousness value
57% imperviousness value
58% imperviousness value
59% imperviousness value
60% imperviousness value
61% imperviousness value
62% imperviousness value
63% imperviousness value
64% imperviousness value
65% imperviousness value
66% imperviousness value
67% imperviousness value
68% imperviousness value
69% imperviousness value
70% imperviousness value
71% imperviousness value
72% imperviousness value
73% imperviousness value
74% imperviousness value
75% imperviousness value
76% imperviousness value
77% imperviousness value
78% imperviousness value
79% imperviousness value
80% imperviousness value
81% imperviousness value
82% imperviousness value
83% imperviousness value
84% imperviousness value
85% imperviousness value
86% imperviousness value
87% imperviousness value
88% imperviousness value
89% imperviousness value
90% imperviousness value
91% imperviousness value
92% imperviousness value
93% imperviousness value
94% imperviousness value
95% imperviousness value
96% imperviousness value
97% imperviousness value
98% imperviousness value
99% imperviousness value
100% imperviousness value
outside area