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| OF 2004–1085: Colorado |
Location: Buffalo Creek
Date: 1996
|
Drainage Basin Name |
Basin Area (km2) |
Relief Ratio (%) |
% Burn |
Discharge (m3/s) and/or Volume of Deposits (m3) |
Reported Rainfall Conditions |
Reported Flow Process |
|---|---|---|---|---|---|---|
|
Spring Creek |
**26.8 |
**5 |
**79 |
**510 m3/s |
*Date: July 12, 1996 *Total: 90 mm *Duration: ±1hr *Peak 30 min. intensity: 90mm/hr |
Flood |
|
Buffalo Creek |
**122.4 |
**2 |
**21 |
**450 m3/s |
*Date: July 12, 1996 *Total: 80 mm *Duration: ±1hr *Peak 30 min. intensity: 80 mm/hr |
Flood |
References: *Robert D. Jarrett, oral communication (2001); **Moody and Martin (2001a)
Location: Glenwood Springs
Date: 2002
|
Drainage Basin Name |
Basin Area (km2) |
Relief Ratio (%) |
% Burn |
Discharge (m3/s) and/or Volume of Deposits (m3) |
Reported Rainfall Conditions |
Reported Flow Process |
|---|---|---|---|---|---|---|
|
Drainage A |
2.06 |
24 |
100 |
14 m3/s |
Date: Aug. 5, 2002 Total: 7 mm Duration: 46 min. Intensity: 9 mm/hr Peak 10 min. intensity: 37 mm/hr |
Runoff-initiated debris flow |
|
Drainage B |
.52 |
33 |
84 |
22 m3/s |
Date: Aug. 5, 2002 Total: 10 mm Duration: 50 min. Intensity: 12 mm/hr Peak 10 min. intensity: 53 mm/hr |
Runoff-initiated debris flow |
|
Drainage C |
0.14 |
40 |
100 |
9 m3/s |
Date: Aug. 5, 2002 Total: 9 mm Duration: 47 min. Intensity: 11 mm/hr Peak 10 min. intensity: 49 mm/hr |
Runoff-initiated debris flow |
|
Drainage D |
0.05 |
39 |
98 |
11 m3/s |
Date: Aug. 5, 2002 Total: 10 mm Duration: 50 min. Intensity: 12 mm/hr Peak 10 min. intensity: 53 mm/hr |
Runoff-initiated debris flow |
|
Drainage F |
0.06 |
64 |
100 |
18 m3/s |
Date: Aug. 5, 2002 Total: 12 mm Duration: 1 hr Intensity: 12 mm/hr Peak 10 min. Intensity: 58 mm/hr |
Runoff-initiated debris flow |
|
Drainage G |
0.04 |
67 |
100 |
11 m3/s |
Same as above |
Runoff-initiated debris flow |
|
Drainage H |
0.03 |
65 |
100 |
7 m3/s |
Same as above |
Runoff-initiated debris flow |
|
Drainage M |
0.16 |
63 |
94 |
10 m3/s |
Date: Aug. 5, 2002 Total: 17 mm Duration: 1 hr Intensity: 17 mm/hr Peak 10 min. intensity: 46 mm/hr |
Runoff-initiated debris flow |
Reference: Cannon and others (2003)
Location: Durango
Date: 2002
|
Drainage Basin Name |
Basin Area (km2) |
Relief Ratio (%) |
% Burn |
Discharge (m3/s) and/or Volume of Deposits (m3) |
Reported Rainfall Conditions |
Reported Flow Process |
|---|---|---|---|---|---|---|
|
Unnamed 1 |
1.47 |
21 |
100 |
26 m3/s |
Date: Aug. 5, 2002 Total: 6 mm Duration: 33 min. Intensity: 11 mm/hr Peak 10 min. Intensity: 27 mm/hr |
Runoff-initiated debris flow |
|
Root |
1.89 |
17 |
100 |
43 m3/s |
Date: Aug. 8, 2002 Total: 5 mm Duration: 21 min. Intensity: 15 mm/hr Peak 10 min. intensity: 23 mm/hr |
Runoff-initiated debris flow |
|
Unnamed 2 |
0.62 |
25 |
100 |
21 m3/s |
Same as above |
Runoff-initiated debris flow |
|
Unnamed 3 |
0.85 |
24 |
100 |
38 m3/s |
Date: Aug. 8, 2002 Total: 5 mm Duration: 18 min. Intensity: 16 mm/hr Peak 10 min. intensity: 21 mm/hr |
Runoff-initiated debris flow |
|
Root |
1.89 |
17 |
100 |
50 m3/s |
Date: Aug. 21, 2002 Total: 1 mm Duration: 12 min. Intensity: 5 mm/hr Peak 10 min. Intensity: 5 mm/hr |
Runoff-initiated debris flow |
|
Haflin |
4.14 |
23 |
96 |
8 m3/s |
Date Aug. 29, 2002 Total: 2 mm Duration: 43 min. Intensity: 3 mm/hr Peak 10 min. intensity: 6 mm/hr |
Runoff-initiated debris flow |
|
Kroeger |
3.13 |
25 |
99 |
21 m3/s |
Date: Aug. 29, 2002 Total: 6 mm Duration: 48 min. Intensity: 8 mm/hr Peak 10 min. intensity: 23 mm/hr |
Runoff-initiated debris flow |
|
Unnamed 1 |
1.47 |
21 |
100 |
25 m3/s |
Date: Sept. 5, 2002 Comments: Localized storm, gages reported no rainfall |
Runoff-initiated debris flow |
|
Freed |
5.65 |
18 |
99 |
149 m3/s |
Date: Sept. 7, 2002 Total: 15 mm Duration: 2 hrs, 50 min. Intensity: 5 mm/hr Peak 10 min. Intensity: 28 mm/hr |
Runoff-initiated debris flow |
|
Coon |
20.82 |
16 |
96 |
42 m3/s |
Date: Sept. 7, 2002 Total: 17 mm Duration: 2 hrs, 53 min. Intensity: 6 mm/hr Peak 10 min. intensity: 40 mm/hr |
Runoff-initiated debris flow |
|
Stevens |
15.75 |
14 |
98 |
158 m3/s |
Date: Sept. 7, 2002 Total: 15 mm Duration: 2 hrs, 50 min. Intensity: 5 mm/hr Peak 10 min. Intensity: 28 mm/hr |
Runoff-initiated debris flow |
|
Woodard |
2.38 |
30 |
92 |
42 m3/s |
Storm Date: Sept. 7, 2002 Duration: 18 min. Total: 4 mm Intensity: 13 mm/hr Peak 10 min. intensity: 15 mm/hr |
Runoff-initiated debris flow |
|
Unnamed 1 |
1.47 |
21 |
100 |
17 m3/s |
Date: Sept. 10-12, 2002 Total: 6 mm Duration: 1 hr, 11 min. Intensity: 4 mm/hr Peak 10 min. intensity: 18 mm/hr |
Runoff-initiated debris flow |
Reference: Cannon and others (2003)
Location: Glenwood Springs
Date: 1994
|
Drainage Basin Name |
Basin Area (km2) |
Relief Ratio (%) |
% Burn |
Discharge (m3/s) and/or Volume of Deposits (m3) |
Reported Rainfall Conditions |
Reported Flow Process |
|---|---|---|---|---|---|---|
|
Drainage B |
2.25 |
26 |
92 |
21,000 m3 |
Date: Sept. 1, 1994 Total: 17 mm Duration: 4 hrs |
Runoff and small landslide-initiated debris flow |
|
Drainage C + D |
3.23 |
29 |
97 |
39,600 m3 |
Same as above |
Runoff and small landslide-initiated debris flow |
|
Drainage E |
0.54 |
33 |
57 |
1,400 m3 |
Same as above |
Runoff and small landslide-initiated debris flow |
|
Drainage F |
2.01 |
28 |
58 |
4,300 m3 |
Same as above |
Runoff and small landslide-initiated debris flow |
|
Drainage G |
0.33 |
33 |
80 |
1,000 m3 |
Same as above |
Runoff and small landslide-initiated debris flow |
Reference: Cannon and others (1998)
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