Frank’s Dump West - New Year’s Eve 2005 8.9 ft tides; 40mph westerly windsPhoto: Mark Taylor...
-
Upload
rey-horrocks -
Category
Documents
-
view
214 -
download
1
Transcript of Frank’s Dump West - New Year’s Eve 2005 8.9 ft tides; 40mph westerly windsPhoto: Mark Taylor...
Frank’s Dump West - New Year’s Eve 20058.9 ft tides; 40mph westerly winds Photo: Mark Taylor
Inundation
Functions
Urban Habitat Storm drainage Land fill Sewage treatment Utility corridors Trails
PGE
EBDA line
Railroad
Cable
HP Gas
Bay trail
Examples of remnant native lowland (alluvial) grassland and sedge-rush meadow stands in lowlands bordering the Bay.
Upland Ecotone
Rapid landward movement increases as sea level rises
Mudflat Tidal Marsh Brackish MarshFreshwater
Swale
Treated Wastewater and Stormwater
Seepage
Overflow
Wave Attenuation
Demonstration Project to measure wave attenuation over a
tidal marsh and mudflat.
Rapid landward movement increases as sea level rises
Mudflat Tidal Marsh Brackish MarshFreshwater
Swale
Seepage
Overflow
Wave Attenuation
Demonstration Project to create historic transitional
habitat; to create buffers to sea level rise; to polish discharge by subsurface
seepage.
Rapid landward movement increases as sea level rises
Mudflat Tidal Marsh Brackish MarshFreshwater
Swale
Seepage
Overflow
Wave Attenuation
0ft 1ft 2ft 3ft 4ft
Existing levees
Terraced leveesTerraced brackish levee
Enhance existing wetlands, realign levees
Lead Time Effective
Realign functionsRealign functions
Threshold
5ft
Decision
An Adaptation Strategy?
Functions
Urban Habitat Storm drainage Land fill Sewage treatment Utility corridors Trails
PGE
EBDA line
Railroad
Cable
HP Gas
Bay trail