Difference between revisions of "Floodplains"

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(Floodplain Sites and Places)
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==Floodplain [[Sites]] and [[Places]]==
==Floodplain [[Sites]] and [[Places]]==
The following [[sites]] are identified as being floodplains:  <DynamicPageList>
The following [[sites]] are in floodplains:  <DynamicPageList>

Revision as of 17:16, 23 April 2013

Floodplain Icon.jpg


Floodplains occur where large rivers and streams meander in their own sediments

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Link to Headwater Sites Link to Lowland Watershed Sites Link to Floodplain Sites Link to Delta Sites Link to Embayment Sites Link to Beach Sites Link to Rocky Headland Sites

Floodplains form where rivers flow through a valley of alluvial sedimentparticles of clay, silt, sand, gravel, or cobble, transported by water, are called sediment. several times the width of the channel. During floods, the river inundates the floodplain depositing sediments. Floodplains and their rivers are fed by both headwaters and lowland watersheds, and flow into river deltas as they enter the sea. Floodplains are generally described by FEMA mapping of flood hazard areas. The Floodplains by Design effort by The Nature Conservancy of Washington is anticipated to provide a stronger assessment of these systems.

Floodplain Topics

The following topics are related to floodplains:

Floodplain Sites and Places

The following sites are in floodplains: French Slough Floodplain and Watershed, Lower Skykomish Floodplain, Lower Snohomish River Floodplain, Lower Stillaguamish Floodplain, North Fork Nooksack Floodplain, North Fork Stillaguamish Floodplain, Sammamish River Floodplain, Skokomish Confluence, Snohomish Lord Hill Reach, South Fork Nooksack Floodplain, South Fork Stillaguamish Floodplain, The Marshlands, Tolt River Floodplain

Floodplain Efforts

The following efforts are being implemented by workgroups in floodplains: Black River Farm, Coastal Resilience to Climate Change, Elwha Dam Removal, Farmhouse Reach Floodplain Restoration, Floodplains by Design, French Slough Drainage Management, Haskell Slough Restoration, Jim Creek Channel Enhancement, Larson's Reach Floodplain Restoration, Lower Canyon Creek Restoration, Lower Skykomish Floodplain Design, Lower Skykomish Reach Scale Plan, Lower Snohomish Reach Scale Plan, Nooksack Floodplain Integrated Management Planning, Nooksack Floodplain Restoration with Engineered Log Jams, Old Soldiers Home Levee Setback, Pierce County Levee Setback Planning, Predicting Sea Level Rise Impacts on Ag Production, Scatter Creek Community Farm, Skagit Farmland Legacy Program, Skykomish Braided Reach Project, Skykomish Habitat Mitigation Bank, Snohomish County River Atlas, Whatcom Drainage Maintenance Guidance, Working Buffer Pilot Project

Floodplain Documents

The following pages describe documents that relate to floodplains: Abbe et al 2018 design and placement of engineered log jams, Beechie et al 2010 process based restoration of rivers, Collins & Montgomery 2002 restoring wood in river floodplains, Collins & Montgomery 2011 puget sound floodplain domains, Collins et al 2002 historical wood in large rivers, Konrad 2015 ecological function flood risk puget sound floodplains, Legg & Olson 2015 identifying migrating stream channels in GIS, Pess et al 2011 salmon density on Elwha ELJs, Snohomish County 2015 hazard mitigation plan, Yang et al 2011 model flood and tide

The following floodplain documents related to have been uploaded to this wiki: