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