Service Description: GRSM_CT_FIRE_BASIN_COMBINED_HAZARD_15_12
Service ItemId: 62fe4611e4d94031aa38509601c770b3
Has Versioned Data: false
Max Record Count: 1000
Supported query Formats: JSON
Supports applyEdits with GlobalIds: False
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Description: Debris-flow hazards from a given basin can be considered as the combination of both probability and volume. For example, in a given setting, the most hazardous basins will show both a high probability of occurrence and a large estimated volume of material. Slightly less hazardous would be basins that show a combination of either relatively low probabilities and larger volume estimates or high probabilities and smaller volume estimates. The lowest relative hazard would be for basins that show both low probabilities and the smallest volumes.
The USGS combined the results of the probability and the volume maps following the methods of Cannon and others (2010). A rank of 1 to 5 (with 5 being the highest) is assigned to each of the probability classes, and a rank of 1 to 4 is assigned to each of the volume classes. The ranks of the probability and volume classes are then added together to produce a map of the combined relative hazard ranking for each basin (with 9 being the highest combined hazard).
Copyright Text: USGS
Spatial Reference: 26917 (26917)
Initial Extent:
XMin: 243168.96117818
YMin: 3947865.87166632
XMax: 314355.080533752
YMax: 3974675.59982607
Spatial Reference: 26917 (26917)
Full Extent:
XMin: 262561.713163658
YMin: 3943621.15190231
XMax: 289201.713163658
YMax: 3965461.15190231
Spatial Reference: 26917 (26917)
Units: esriMeters
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