Science, Service, Stewardship
Nearshore Strategies
NOAA
RESTORATION
CENTER NORTHWEST
South Puget Sound
Paul R. Cereghino
O...
Science, Service, Stewardship
NOAA
RESTORATION
CENTER NORTHWEST
Nearshore Strategies
►Nearshore systems are physically dyn...
NOAA
RESTORATION
CENTER NORTHWEST
Science, Service, Stewardship
Nearshore Strategies
►Plan at the scale of physical system...
NOAA
RESTORATION
CENTER NORTHWEST
Overlapping ‘Sites’ – physiographic process domain
River Deltas
(2; Nisqually/Deschutes)...
Science, Service, Stewardship
NOAA
RESTORATION
CENTER NORTHWEST
Degradation Gradient
Historic
►Dike and fill wetlands and ...
Science, Service, Stewardship
NOAA
RESTORATION
CENTER NORTHWEST
Degradation Gradient
As degradation increases:
►Risk of a ...
Science, Service, Stewardship
NOAA
RESTORATION
CENTER NORTHWEST
Degradation Gradient
Varies in character:
►Lost landform
►...
Science, Service, Stewardship
NOAA
RESTORATION
CENTER NORTHWEST
Potential Gradient
as a site becomes larger,
and more comp...
Science, Service, Stewardship
NOAA
RESTORATION
CENTER NORTHWEST
Gradient Analysis
Potential
Degradation
Science, Service, Stewardship
NOAA
RESTORATION
CENTER NORTHWEST
Gradient Analysis
Protect Restore Enhance
Protect Restore ...
Science, Service, Stewardship
NOAA
RESTORATION
CENTER NORTHWEST
Gradient Analysis
River Deltas Inlets
EmbaymentBeaches
Potential
=
Watershed Area
+
Inlet Length
+
Historic Wetland
Potential
=
Watershed Area
+
Inlet Length
+
Historic Wetland
99
68
25
35
28
7
2
1 1
144
162
34
10
23
6
13
5
13
144
Science, Service, Stewardship
NOAA
RESTORATION
CENTER NORTHWEST
Gradient Analysis
Protect Restore Enhance
Protect Restore ...
88/38 57/51
59/29
59/29
03/68
14/61
40/81
52/69
Science, Service, Stewardship
NOAA
RESTORATION
CENTER NORTHWEST
► South Sound – a shallow mosaic of inlets and
embayments ...
Science, Service, Stewardship
NOAA
RESTORATION
CENTER NORTHWEST
Strategy Opportunity
► 24 of 51 tentative Puget Sound high...
Science, Service, Stewardship
NOAA
RESTORATION
CENTER NORTHWEST
Strategy Opportunity
► (always more) Questions
● Sediment ...
Science, Service, Stewardship
NOAA
RESTORATION
CENTER NORTHWEST
Acknowledgements
Charles ‘Si’ Simenstad (UW)
Scott Campbel...
11 cereghino south-soundscience
11 cereghino south-soundscience
11 cereghino south-soundscience
11 cereghino south-soundscience
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11 cereghino south-soundscience

  1. 1. Science, Service, Stewardship Nearshore Strategies NOAA RESTORATION CENTER NORTHWEST South Puget Sound Paul R. Cereghino October 2010
  2. 2. Science, Service, Stewardship NOAA RESTORATION CENTER NORTHWEST Nearshore Strategies ►Nearshore systems are physically dynamic ►Critical processes operate at large scales ►Strategy responds to whole situation ►Social, Economic and Ecological
  3. 3. NOAA RESTORATION CENTER NORTHWEST Science, Service, Stewardship Nearshore Strategies ►Plan at the scale of physical systems ►Support quest for USACE Construction General ►Facilitate regional project comparisons ►Identify high value sites w/o projects ►Begin integrating protection and restoration PSNERP
  4. 4. NOAA RESTORATION CENTER NORTHWEST Overlapping ‘Sites’ – physiographic process domain River Deltas (2; Nisqually/Deschutes) Coastal Inlets (144; 16-33 High Potential) Barrier Embayment (179; 20-50 High Potential) Beaches (288; 1/3 of all Puget Sound) Science, Service, Stewardship Landform-Based Framework Watershed Influence? DriftCell Influence?
  5. 5. Science, Service, Stewardship NOAA RESTORATION CENTER NORTHWEST Degradation Gradient Historic ►Dike and fill wetlands and embayments ►Stabilize eroding shorelines Ongoing ►Cut, scrape and pave watersheds ►Stabilize eroding shorelines ►Spread pollutants
  6. 6. Science, Service, Stewardship NOAA RESTORATION CENTER NORTHWEST Degradation Gradient As degradation increases: ►Risk of a threshold change of state increases ►Reliability of restoration decreases, cost increases ►Opportunity for regaining lost services increases ►Strategy for protection or restoration changes Degradation
  7. 7. Science, Service, Stewardship NOAA RESTORATION CENTER NORTHWEST Degradation Gradient Varies in character: ►Lost landform ►Shoreline modification ►Nearshore degradation ►Watershed degradation Requires different approach
  8. 8. Science, Service, Stewardship NOAA RESTORATION CENTER NORTHWEST Potential Gradient as a site becomes larger, and more complex Quantity, Diversity, or Resilience of ecosystem services increases Potential High Low
  9. 9. Science, Service, Stewardship NOAA RESTORATION CENTER NORTHWEST Gradient Analysis Potential Degradation
  10. 10. Science, Service, Stewardship NOAA RESTORATION CENTER NORTHWEST Gradient Analysis Protect Restore Enhance Protect Restore Enhance Potential Degradation
  11. 11. Science, Service, Stewardship NOAA RESTORATION CENTER NORTHWEST Gradient Analysis River Deltas Inlets EmbaymentBeaches
  12. 12. Potential = Watershed Area + Inlet Length + Historic Wetland Potential = Watershed Area + Inlet Length + Historic Wetland
  13. 13. 99 68 25 35 28 7 2 1 1 144
  14. 14. 162 34 10 23 6 13 5 13 144
  15. 15. Science, Service, Stewardship NOAA RESTORATION CENTER NORTHWEST Gradient Analysis Protect Restore Enhance Protect Restore Enhance Potential Degradation
  16. 16. 88/38 57/51 59/29 59/29 03/68 14/61 40/81 52/69
  17. 17. Science, Service, Stewardship NOAA RESTORATION CENTER NORTHWEST ► South Sound – a shallow mosaic of inlets and embayments – shortest beaches in PS ● Human scaled – stewardship? ► The largest hole – Deschutes/Indian/Moxlie ► Nisqually missing OT/TF component (historically 22.5 ha) Strategy Opportunity
  18. 18. Science, Service, Stewardship NOAA RESTORATION CENTER NORTHWEST Strategy Opportunity ► 24 of 51 tentative Puget Sound high potential inlet protection sites ► 33% of the SS watershed flows into Inlet Sites compared to 13% sound-wide ► South Sound has lost 72 barrier embayments in 52 drift cells (typically small; mean of 289 m)
  19. 19. Science, Service, Stewardship NOAA RESTORATION CENTER NORTHWEST Strategy Opportunity ► (always more) Questions ● Sediment system management below scale of drift cell? ● Natural variation in inlet functions among sites? ● Spatial distribution effect on inlet functions? ● Inlet function sensitivity to varied degradation? ● Integration of SMP/regulatory as primary protection for restoration investments?
  20. 20. Science, Service, Stewardship NOAA RESTORATION CENTER NORTHWEST Acknowledgements Charles ‘Si’ Simenstad (UW) Scott Campbell (USACE) Erin Iverson (AnchorQEA) Chris Behrens (USACE) Curtis Tanner (USFWS) Bethany Craig (UW) Jen Burke (UW/NPS) Margen Carlson (WDFW) Nearshore Science Team: Miles Logsden (UW), Kurt Fresh (NOAA), Randy Schuman (King Co.), Tom Leschine (UW), Megan Dethier (UW) Nearshore Implementation Team and Steering Committee’s Jen Steger (NOAA)

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