Public Sediment / Unlock Alameda Creek

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PUBLIC SEDIMENT / UNLOCK ALAMEDA CREEK WWW.RESILIENTBAYAREA.ORG ◄ BAYLANDS = LIVING INFRA STR CTY\, E' j(II( ........ • 400 +-' -L C Based on preliminary 0 analysis by SFfl. A more , detailed analysis is beinq E TIDAL MARSH conducted as part of -l/) the Healthy Watersheds l/) ro Resilient Aaylands E project (hwrb.sfei.org) +-' C QJ E "'O MUDFLAT QJ V1 SAC-SJ DELTA 0 1 Sediment supply was estimated by 'Sediment demand was estimated multiplying the current average using a mudflat soil bulK density of annual c;ediment load valuec; from 1.5 q c;ediment/rm c;oil (Brew and McKee et al. (in prep) by the number Williams :?010), a tidal marsh soil of years between 201 r and2100. bulK density ot 0.4 g sed1m ent / cm 3 c;oil (Callaway et al. :?010), and baywide mudflat and marsh area circa 2009 (BAARI vl). BAYLANDS TODAY BAYLANDS 2100 WITH 3' SLR LOW SEDIMENT SUPPLY BAYLANDS 2100 WITH 7' SLR LOW SEDIMENT SUPPLY WE MUST LOOK UPSTREAM TRIBUTARIES FEED THE BAY SONOMA CREEK NAPA RIVER PETALUMA CREEK WALNUT CREEK ALAMEDA CREEK COYOTE CREEK GUADALUPE CREEK ALAMEDA CREEK SEDIMENTSHED ALAMEDA CREEK ALAMEDA CREEK WATERSHED - 660 SQMI OAKLAND ALAMEDA CREEK WATERSHED SAN FRANCISCO SAN JOSE THE CREEK BUILT AN ALLUVIAL FAN AND FED THE BAY ALAMEDA CREEK SOUTH BAY NILES CONE ALLUVIAL FAN HIGH SEDIMENT FEEDS MARSHES TIDAL WETLANDS IT HAS BEEN LOCKED IN PLACE OVER TIME LIVERMORE PLEASANTON SUNOL UNION CITY NILES SAN MATEO BRIDGE EDEN LANDING FREMONT NEWARK LOW SEDIMENT CARGILL SALT PONDS DUMBARTON BRIDGE SEDIMENT FLOWS ARE HIGHLY MODIFIED SEDIMENT IS STUCK IN CHANNEL IMPOUNDED BY DAMS UPSTREAM REDUCED SUPPLY TO THE BAY AND VULNERABILITIES ARE EXACERBATED BY CLIMATE CHANGE EROSION SUBSIDENCE SEA LEVEL RISE THE FLOOD CONTROL CHANNEL SAN MATEO BRIDGE UNION CITY NILES RUBBER DAMS BART WEIR EDEN LANDING PONDS HEAD OF TIDE FREMONT 880 NEWARK TIDAL EXTENT FLUVIAL EXTENT DUMBARTON BRIDGE.

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CALIFORNIA FISH and GAME ' CONSERVATION of WILDLIFE THROUGH EDUCATION'
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