FLOOD03593

• County: Garfield
• Community: Glenwood Springs
• Basin: Statewide
• Title: Debris-flow Hazard Analysis and Mitigation An Example from Glenwood Springs
• Date: 1/1/1977
• Prepared For: State of Colorado
• Prepared By: USGS
• Floodplain - Doc Type: Educational/Technical/Reference Information

LIST OF FIGURES

FIGURE 1: Map of drainage basins, hazard zones, and proposed
defenses.. . ... ....... ..... . .. ... .. ..... .. . .. .... . .. . . .. 4

FIGURE 2: Typical unconsolidated debris in basins................ 11

FIGURE 3: A debris-avalanche chute............................... 16

FIGURE 4: A debris-flow "urge in the main channel................ 18

FIGURE 5: Schematic sketch of debris-flow formation.......... .... 19

FIGURE 6: Debris-flow depth on fan.......................... ..... 23

FIGURE 7: Trees as an ef Eective catching defense..."............. 36

FIGURE 8: A proposed structural debris catching fence............ 39

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