rock detention structures
Detailed Description
Drawings by Chloé Fandel, Graduate Student at the University of Arizona. (i.) a one rock dam (one-rock high) bed of rocks (en espanol: trinchera) can be in channels or hillslopes, (ii.) a check dam (gully plug), usually ~3 foot high loose rock structure set into channel, and/or (iii.) a rock gabion, which consists of rocks rapped in wire cage and keyed into channel
Sources/Usage
Public Domain.