! " # $ % &' ( &) *+&, - # " . # # ( 0 2 3 0 /0 # 0 4 2 " 1 /0 0 1 1 0 0 0 0 # / 0 !! & * 7 $ "" " #$ 5 0 # ! 5 2 3 " 6 " 5 ! 2 %&'&(%&'' ) * * + , ) , Purpose: Diminish impacts of flooding and sedimentation on wastewater infrastructure with the goal of reducing the incidence of sanitary sewer overflows. * + , ) , # # 8 0 # 0 00 + , ) , Cuesta Blanca 100y 25y 6h event event Cuesta Blanca 10yr6h 1hr event Current Current Land Use CurrentLand LandUse Use 120 120 nodam dam no no dam 100 100 outflow (m3/s) outflow (m3/s) * with dam w ith w ith dam 8080 6060 40 40 20 20 0 0 0 0 60 120 120 60 180 180 240 240 300 300 120 time time (min) (min) time (min) 360 360 180 420 420 480 480 540 540 240 * + , ) , Sediment yield (kg), 25 year, 6 hour event Channel Impacts Cuesta Blanca Capulines w/out feature 8,518,604 9,268,617 w/ feature 2,964,995 3,869,279 Difference 5,553,609 5,399,338 • Norman, L. M, Huth, H., Levick, L., Shea Burns, I., Phillip Guertin, D., Lara‐Valencia, F., & Semmens, D. (2010). Flood hazard awareness and hydrologic modelling at Ambos Nogales, United States–Mexico border. Journal of Flood Risk Management, 3(2), 151–165. doi:10.1111/j.1753-318X.2010.01066.x (Also available online at http://onlinelibrary.wiley.com/doi/10.1111/j.1753318X.2010.01066.x/abstract). • Norman, L.M., Levick, L., Guertin, D.P., Callegary, J., Quintanar Guadarrama, J., Zulema Gil Anaya, C., Prichard, A., Gray, F., Castellanos, E., Tepezano, E., Huth, H., Vandervoet, P., Rodriguez, S., Nunez, J., Atwood, D., Patricio Olivero Granillo, G., and Octavio Gastelum Ceballos, F., (2010). Nogales flood detention study: U.S. Geological Survey Open-File Report 2010-1262, 112 p. (Also available online at http://pubs.usgs.gov/of/2010/1262/). %&'-(%&'. / 1 0 #$ 4 $ 5* 3 # BEFORE AFTER , 2 0 ) “Cuenca los Ojos (CLO) is a leader in adapting to climate change. In a part of the world that has been drying up, CLO is reversing this trend by restoring habitat through an ancient tradition of slowing erosion and harvesting water -- water that would otherwise would rush over a desiccated landscape. Bringing water back to the land has resulted in remarkable vegetation changes, which in turn has increased populations across the animal spectrum.”--http://www.cuencalosojos.org/ ! " # #( $ ' * % # & # " " * # % # + " ' , - " ' . ( " /01 " "( # ) - !#$6# 0 $# " 6 # 9 " 9 • 0 : 0 0 0 0 # # ;<&7=&,=&> ( 0 %&'- ( 7 6 " 2 , #$ 6 '99% #* 8 #" # "$ # # 1 0$ 1 # " *# ! # # # 8 " 0# # " $$: # # $$ ! $ )# 6# # !#" ( # :) 1# # #" ** 7 # # " #$ $ " " 4 ($ # 5 # ; Scanner uses high-speed laser measurements to produce highly accurate three-dimensional maps of the riparian environment. Design of check dams The cross-section for each portion of the gully bed is drawn to scale and the check dam is designed according to cross-sections based on the dimensions of the spillway, the thickness of the crest and base. 1 < <++ < <++ <+< <2 ;6<+-< ;6<++<2 6< 6 < < %' &> &* + ?+ %% &7 7> + >7 %&, >* + >' ! #8 ,* )) & ?) #" &, 77 + >? &@ '> *+ ?* &) ,> >@ @* &) ?& * >'7 ?* * *+' 7> , ,?' )' ) *,@ ), 7 +@* )@ && 77+ 7& * &? 7 *@& *? & @7 > 7,& )@ 7 @& &) )>7 >? ' @+ ? ?>& &) * ?+ >? '@ ?& ,+ >) ', &'' )* >) 7& &>7 >? (+ &, 77 *? (+ +* &*> 7& (+ +7 7&* &7 (+ &) &+, +, (+ +? 0 + = , 77 / # 0 " " 0A 0 # 2 2 / 0 B C ( - %&'-(%&'> 2 2 ! 2 " 6# 1# ? ? 6 *, & / * ,+, ) > ),* ' * ''/ '?) & )++ * 1# A ; %G 0 " %H ; %G DEF$ F4FΔ # $ # # 4 0" 1 # # $ 6 (# $ 0 0H 4 #4 # ( #5 "#" 0 ( " 0 0 # " 0 ( #2 0 # ; 0 A ( *+&+(>*,& H 0 # 2 0 0 " 0 0 0 0 # 4 G *+&+ #1==# 2 = =*+&+=>*,&= $ 6 (# 6 # 6 G #5 "#" =& 2 $ 0" 0 $ 1 #4 $ (; (% ( 42 / (% ( 0 @(+ 1 # 0## 0 0 7++& • 0 " $ $0 # ! 4" $ #$ $ # 4 ($ # 5 #$ #$ *$ 1 # (2 A2 A 2 + B+ + C4 2 5A + A 2 # )A A A 4 + , 5D + A A A C 2 C 2 4 + 3 ( A +, 5D $ 0" 0 0 0 0# / " /0 "2 0" 0 0" 2 ( " 0 " # 0 I*@J 0 /0 " 0 0 Norman, Laura M., Fletcher Brinkerhoff, Evan Gwilliam, Pamela L. Nagler, D. Phillip Guertin, James B. Callegary, David C. Goodrich, and Floyd Gray. 2014. “A Paired Watershed Experiment to Investigate the Hydrology of Check Dams in an Arizona Sky Island.” Submitted to Landscape and Ecological Engineering. # H ; 2 C ( 4 0 G 0 ? 'D5 ! # " 0 0" 0 K 0 0 ; 2 2? %D ! ## 0 ')@E9 0 /0 ( 4 # 0" 0 G" L 0 # 0 $$#0 # 2 F #$6 #0 #" : : G #$ 0: Agricultural Research Service: Dave Goodrich Borderlands Restoration: Ron Pulliam, David Seibert, Trevor Hare, Kate Tirion, Lauri Monti, Caleb Weaver, Molly Lu McCormick Bureau of Land Management: Jeff Conn, Heidi Blasius Cuenca los Ojos: Valer Austin, Josiah Austin, Cindy Tolle, and David Hodges Forest Service: Michele Girard, Salek Shafiqullah, Eric Robertson, Joe Harris, and Kevin Warner National Parks Service: Evan Gwilliam, Kara Raymond, Steve Buckley Sky Island Alliance: Louise Misztal, Carianne Campbell, and Chris Morris U.S. Fish and Wildlife Service: Bill Radke U.S. Geological Survey: Cynthia Wallace, Fletcher Brinkerhoff, Floyd Gray, James Callegary, Joel Sankey, Leila Gass, Miguel Villarreal, Pamela Nagler, Steve DeLong, and Steve Wiele University of Arizona: D. Phillip Guertin, Jon Pelletier, and Whitney Henderson University of Rochester: Bob Minckley Volunteers: Joan Ruvinsky, Kathleen Knipp, Jesse Ratzlaff, Michael Hoose, Valerie Gordon, and Gerry Norman http://geography.wr.usgs.gov/science/aridlands/