Table 7. Quantiles of attribute values for Regional Stream Monitoring Program catchments, Puget Sound Basin, Washington.
[Abbreviations: AU, analysis units; RSMP, Regional Stream Monitoring Program; km2, square kilometer; km/km2, kilometer per square kilometer; m, meter; m/yr, meter per year]
| Fraction of RSMP catchments |
Area
(km2) |
Elevation
(m) |
Slope
fraction |
Precipitation
(m/yr) |
Stream density
(km/km2) |
Alluvium
fraction |
Coarse-grained
fraction |
Fine-grained
fraction |
Bedrock
fraction |
Forest
fraction |
Wetland
fraction |
Impervious
fraction |
Road density
(km/km2) |
Fraction of AU gaged
fraction |
| 0.1 |
1.1 |
35 |
0.03 |
0.97 |
0.7 |
0.00 |
0.00 |
0.00 |
0.00 |
0.09 |
0.00 |
0.00 |
1.2 |
0.00 |
| 0.2 |
2.3 |
59 |
0.04 |
1.03 |
1.1 |
0.00 |
0.00 |
0.02 |
0.00 |
0.19 |
0.01 |
0.01 |
1.8 |
0.00 |
| 0.3 |
4.1 |
77 |
0.05 |
1.06 |
1.3 |
0.00 |
0.02 |
0.20 |
0.00 |
0.24 |
0.02 |
0.02 |
2.5 |
0.00 |
| 0.4 |
5.6 |
98 |
0.07 |
1.16 |
1.6 |
0.00 |
0.08 |
0.33 |
0.00 |
0.30 |
0.03 |
0.03 |
2.8 |
0.00 |
| 0.5 |
6.9 |
110 |
0.08 |
1.21 |
1.9 |
0.01 |
0.11 |
0.52 |
0.00 |
0.43 |
0.03 |
0.05 |
3.9 |
0.00 |
| 0.6 |
10.2 |
129 |
0.10 |
1.22 |
2.1 |
0.03 |
0.17 |
0.61 |
0.07 |
0.57 |
0.04 |
0.11 |
4.8 |
0.01 |
| 0.7 |
18.8 |
175 |
0.15 |
1.34 |
2.6 |
0.04 |
0.25 |
0.70 |
0.23 |
0.66 |
0.05 |
0.21 |
6.3 |
0.05 |
| 0.8 |
31.0 |
272 |
0.21 |
1.50 |
3.1 |
0.09 |
0.36 |
0.82 |
0.46 |
0.74 |
0.07 |
0.22 |
7.3 |
0.55 |
| 0.9 |
67.9 |
424 |
0.29 |
1.79 |
3.6 |
0.43 |
0.66 |
0.90 |
0.70 |
0.80 |
0.11 |
0.33 |
10.7 |
0.84 |
| 1.0 |
307.0 |
812 |
0.48 |
3.43 |
22.0 |
1.00 |
1.00 |
1.00 |
1.00 |
0.97 |
0.47 |
0.48 |
16.6 |
1.00 |
|