Online Links:
| Range of values | |
|---|---|
| Minimum: | 2.000 |
| Maximum: | 10.500 |
| Units: | inches |
| Resolution: | 0.001 |
| Range of values | |
|---|---|
| Minimum: | 1.000 |
| Maximum: | 6.000 |
| Units: | inches |
| Resolution: | 0.001 |
| Value | Definition |
|---|---|
| Santa Cruz | |
| Ben Lomond 4 | |
| Antioch | |
| Berkeley | |
| Black Mnt 2WSW | |
| Calaveras Res. | |
| Half Moon Bay | |
| Hamilton AFB | |
| Kentfield | |
| La Honda | |
| Livermore | |
| Los Gatos | |
| Los Gatos 4SW | |
| Morgan Hill 2E | |
| Mt. Diablo Jnct. | |
| Mt. Hamilton | |
| Muir Woods | |
| Newark | |
| Oakland AP | |
| Occidental | |
| Pacifica | |
| Petaluma Fire Stn | |
| Redwood City | |
| Richmond | |
| SF Mission Dol. | |
| SFO | |
| San Gregorio | |
| San Jose | |
| San RAfael Cif-Ctr | |
| Up S Leandro Flt | |
| Walnut Creek 2ESE | |
| Woodside F.S. | |
| Wrights |
| Range of values | |
|---|---|
| Minimum: | 64.1 |
| Maximum: | 95.0 |
| Units: | days |
| Resolution: | 0.1 |
| Range of values | |
|---|---|
| Minimum: | 12.38 |
| Maximum: | 56.25 |
| Units: | inches |
| Resolution: | 0.01 |
We thank Todd Fitzgibbon for digital review, and Russ Graymer and Scott Graham for cartographic assistance.
The primary intended use of these maps is to facilitate response planning for debris-flow related emergencies. The maps are intended to be used in conjunction with the debris-flow susceptibility map developed by Ellen and Mark (1997) in this same series.
Are there legal restrictions on access or use of the data?Access_Constraints: none
Use_Constraints: none
This report is preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial standards or with the North American Stratigraphic Code. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
This database, identified as "Preliminary Maps Showing Rainfall Thresholds for Debris-Flow Activity, San Francisco Bay Region, California," has been approved for release and publication by the Director of the USGS. Although this database has been subjected to rigorous review and is substantially complete, the USGS reserves the right to revise the data pursuant to further analysis and review. Furthermore, it is released on condition that neither the USGS nor the United States Government may be held liable for any damages resulting from its authorized or unauthorized use.
| Data format: |
ARC/INFO export file Description of Coverage sfbr-rt24c.e00 Line coverage showing contours of 24 hour rainfall threshold for debris flows. sfbr-rt6c.e00 Line coverage showing contours of 6 hour rainfall threshold for debris flows. sfbr-rtg.e00 Point coverage showing rain gage locations, station identifier, average number of rainy days, and mean annual precipitation. sfbr-rta.e00 Point coverage showing the location of ALERT STATIONS and station identifiersin format ARCE (version 7.x) |
|---|---|
| Network links: |
http://pubs.usgs.gov/of/1997/of97-745/sfbr-rta.e00.gz http://pubs.usgs.gov/of/1997/of97-745/sfbr-rtg.e00.gz http://pubs.usgs.gov/of/1997/of97-745/sfbr-rt6c.e00.gz http://pubs.usgs.gov/of/1997/of97-745/sfbr-rt24c.e00.gz |
| Data format: |
ARC/INFO GRIDS (Tar) Description of GRID files sfbr-rt24.tar Arc/Info grid showing 24 hour rainfall threshold for debris flows sfbr-rt6.tar Arc/Info grid showing 6 hour rainfall threshold for debris flowsin format ArcInfo Grid (version 7.x) |
|---|---|
| Network links: |
http://pubs.usgs.gov/of/1997/of97-745/sfbr-rt6.tar.gz http://pubs.usgs.gov/of/1997/of97-745/sfbr-rt24.tar.gz |