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<br />3. Please describe all characteristics associate with alluvial fans in your county.
<br />Characteristics which include the followings:
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<br />Watershed geology................,.".".....",.,.., ...."..,.".,..,....,..."..........
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<br />Soil development of the fan. . . . . . . . . . . . , . . . . . . . . . , , . , , . . . . . . . . , , , . . . . , . . . . . . . . . , . , . . . . . , , .
<br />Channel geometries on the fan..., ,.. ...... ... ,..... ... ,.. ,.. ... ...,.......,..".. ... ......
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<br />Fan surface morphology. . . , , . , , . , , . .. . .. . .. , .. , .. , , .. . .. , . , , .. . .. .. , . , . . . . . . . , . . . . . . . . , . ..
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<br />Drainage pattern, , . , , . . , , , . , , . , . . , . . , . .. ... .. . , .. .. . , . . . . . , . . , . . ... , . . . .. . . , ,. , . , . , . . . , , , , .,
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<br />Topography. . . .. .. . , .. , .. , ... . .. . . , . .. . .. . , . , . , , , , , . . . . . . . .. . . , . , . . .. , . . , . . .. , . , . , , . . . .. , . . .
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<br />Sedimentary and/or debris deposits.,..".......................,..,......,.............,
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<br />Vegetation. . . . . . . . . . . . . .. . . . .. . , . . . . . . . . . . . . , , . . , . . . . . . . . . . . . . . . . . . . . , . . . . , . . , . , .. , . . , . . . . . ...
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<br />Attachment 1 - Appendix A
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<br />2
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<br />4. Please describe all applicable hydraulic processes observed during flooding on each
<br />of the fans that exist in your county,
<br />
<br />Characteristics which include the followings:
<br />On-fan watershed flooding
<br />Channel and overbank flow
<br />Flash flooding
<br />Sheetflow
<br />Debris flow
<br />Channel movement- Unstable? Stable?
<br />Flow along existing and new channels (channel migration)
<br />Overall deposition and erosion; or local deposition and erosion on fan surface,
<br />Stream capture or avulsions
<br />Topographic influences flow
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