ASLA_presentation_slides_final_thesisonly

SAND ENGINES: FOUNDATION STUDIO II, BEACHES SEMINARWILLOUGHBY SPIT, VA

SAND ENGINES: FOUNDATION STUDIO II, BEACHES SEMINARDYNAMIC LANDSCAPES

CONTESTED SITES: SCIENCE VERSUS RECREATION?SAND ENGINES: FOUNDATION STUDIO II, BEACHES SEMINAR

CONTESTED SITES: DESIGNING WITH BUREAUCRATIC PROCESSESSAND ENGINES: FOUNDATION STUDIO II, BEACHES SEMINAR

PETER HUMMEL, ASLA

ACOEEPA

GEOLOGIST

PARKS AND REC

CITY

PETER HUMMEL, ASLA

PUGET SOUND, WA

CONCERNED CITIZEN

BEACHES SEMINAR + SEA GRANT RESEARCHSANDBRIDGE BEACH, VA

PROCESSES: WAVE ANGLE AND COASTAL MORPHOLOGY SAND ENGINES: BEACHES SEMINAR

REPRESENTATION: COASTAL EVOLUTION MODELSAND ENGINES: BEACHES SEMINAR

THESIS STUDIO: MODELING RETREAT, SPRING 2013 FROM NOURISHMENT TO OVERWASH

BARRIER ISLAND ECOLOGY AND S.L.R. ADAPTATION

OCEAN CITY INLET, MARYLAND

since 1933

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 miles

01020

-10

3040

ft

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 miles

01020

-10

3040

ft

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 miles

01020

-10

3040

ft

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 miles

01020

-10

3040

ft

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 miles

01020

-10

3040

ft

longs

hore

drif

t

SHORELINE STRUCTURES CHANGE SEDIMENT BUDGET

REDUCTION IN SEDIMENT INPUT AND SEA LEVEL RISE CONTRIBUTE TO BARRIER ISLAND SHORELINE RETREAT

SEA LEVEL RISE ADAPTATION ALTERNATIVES

EXISTING SECTION (NORTH OF LITTLE ISLAND PARK)

NO ACTION ALTERNATIVE

ENGINEERED RETREAT

ISLAND RAISING

LEVEES

SAND OVERWASH OVERWHELMS INFRASTRUCTUREAFTER HURRICANE SANDY, FALL 2012

INLET FORMS THROUGH INFRASTRUCTUREDURING HURRICANE SANDY, FALL 2012

BARRIER ISLAND DEVELOPMENT: SANDBRIDGE, 1960s

BARRIER ISLAND PROCESSESBARRIER ISLAND ANATOMY

FROM NOURISHMENT TO OVERWASHTHESIS STUDIO: MODELING RETREAT, SPRING 2013

CONTESTED SITES: SEA LEVEL RISE ADAPTATIONTHESIS STUDIO: MODELING RETREAT, SPRING 2013

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 miles

01020

-10

3040

ft

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 miles

01020

-10

3040

ft

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 miles

01020

-10

3040

ft

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 miles

01020

-10

3040

ft

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 miles

01020

-10

3040

ft

EXISTING

NO ACTION

ENGINEERED RETREAT

ISLAND RAISING

LEVEE + SEAWALL

CONTESTED SITES: SEA LEVEL RISE ADAPTATIONTHESIS STUDIO: MODELING RETREAT, SPRING 2013

BARRIER ISLAND ECOLOGY AND S.L.R. ADAPTATION

OCEAN CITY INLET, MARYLAND

since 1933

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 miles

01020

-10

3040

ft

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 miles

01020

-10

3040

ft

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 miles

01020

-10

3040

ft

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 miles

01020

-10

3040

ft

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 miles

01020

-10

3040

ft

longs

hore

drif

t

SHORELINE STRUCTURES CHANGE SEDIMENT BUDGET

REDUCTION IN SEDIMENT INPUT AND SEA LEVEL RISE CONTRIBUTE TO BARRIER ISLAND SHORELINE RETREAT

SEA LEVEL RISE ADAPTATION ALTERNATIVES

EXISTING SECTION (NORTH OF LITTLE ISLAND PARK)

NO ACTION ALTERNATIVE

ENGINEERED RETREAT

ISLAND RAISING

LEVEES

SAND OVERWASH OVERWHELMS INFRASTRUCTUREAFTER HURRICANE SANDY, FALL 2012

INLET FORMS THROUGH INFRASTRUCTUREDURING HURRICANE SANDY, FALL 2012

BARRIER ISLAND DEVELOPMENT: SANDBRIDGE, 1960s

BARRIER ISLAND PROCESSESBARRIER ISLAND ANATOMY

THE SITE: SANDBRIDGE BEACH, VIRGINIA

SANDBRIDGE LANDSCAPE FRAMEWORKZONE 1: intersection of Sandbridge Road, Sand Fiddler Road, Nimmo Trail ZONE 2: limit of significant high marsh developmentZONE 3: development/park threshold

0 0.5 10.25Miles

ZONE 1 ZONE 2 ZONE 3 FALSE CAPE STATE PARK

-10’

-20’

-30’

AB

CD

DA B C

E

E

PROCESSES: HUMAN AND NON-HUMANTHESIS STUDIO: MODELING RETREAT, SPRING 2013




0 0.5 10.25Miles


-10’

-20’

-30’

AB

CD

DA B C

E

E

1. start2. at grade x-ing 3. at grade x-ing

4. separated lane (typ.)

5. at grade x-ing6. open pile boardwalk (typ.)

7. at grade x-ing8. separated lane (levee)

9. at grade crossing10. beach front flexible walk11. at grade crossing12. back bay sand fill path

13. temporary pedestrian bridge/viewing14. pedestrian bridge/viewing15. at grade crossing16. at grade crossing

17. at grade crossing

ENGINEEREDRETREATAREA

FALSE CAPESTATE PARK

PROPOSED PEDESTRIANBRIDGE (+LIGHT VEHICLES)

o 0 1 20.5Miles

STRUCTURES

NIMMO TRAIL (EXISTING)

NIMMO TRAIL (PROPOSED: CITY)

NIMMO TRAIL EXTENSION (PROPOSED: BACK BAY OPTION)

NIMMO TRAIL EXTENSION (PROPOSED: OCEAN FRONT OPTION)WATER TAXI ROUTE (MIGRATES WITHNEIGHBORHOOD EDGE)

12 3

4

56

78

9

10

11

12

13

14 15

16

17

1

12

2

3

3

4

6

5

45

6

1. start2. at grade x-ing 3. at grade x-ing

4. separated lane (typ.)

5. at grade x-ing6. open pile boardwalk (typ.)

7. at grade x-ing8. separated lane (levee)

9. at grade crossing10. beach front flexible walk11. at grade crossing12. back bay sand fill path

13. temporary pedestrian bridge/viewing14. pedestrian bridge/viewing15. at grade crossing16. at grade crossing

17. at grade crossing

ENGINEEREDRETREATAREA

FALSE CAPESTATE PARK

PROPOSED PEDESTRIANBRIDGE (+LIGHT VEHICLES)

o 0 1 20.5Miles

STRUCTURES

NIMMO TRAIL (EXISTING)

NIMMO TRAIL (PROPOSED: CITY)

NIMMO TRAIL EXTENSION (PROPOSED: BACK BAY OPTION)

NIMMO TRAIL EXTENSION (PROPOSED: OCEAN FRONT OPTION)WATER TAXI ROUTE (MIGRATES WITHNEIGHBORHOOD EDGE)

12 3

4

56

78

9

10

11

12

13

14 15

16

17

1

12

2

3

3

4

6

5

45

6

EXISTING

PROPOSED

REPRESENTATION: A NEW RESIDENTIAL MODELTHESIS STUDIO: MODELING RETREAT, SPRING 2013

REPRESENTATION: A NEW RESIDENTIAL MODEL

THESIS STUDIO: MODELING RETREAT, SPRING 2013

MIGRATING SHORELINE PUBLIC BEACH

MIGRATING DUNE LINE

BEACH ACCESS/EVACUATION ROUTE

OVERWASH CELL

OCCUPIABLE SAND BERM/FUTURE ACCESS ROAD CORRIDOR

PRIVATE WETLAND OVERLOOK

PRIVATE BOAT LANDINGS

PUBLIC WATER TAXI LANDING

EXISTING HIGH MARSH

TIDE GATE

PLACED HIGH MARSH SUBSTRATE

DREDGE CONVEYANCE AND STORMATER OUTLET

RETREAT OR FRONTIER?THESIS STUDIO: MODELING RETREAT, SPRING 2013

NEIGHBORHOOD LANDSHARETHESIS STUDIO: MODELING RETREAT, SPRING 2013

PROPOSED MODEL | MIGRATING RESIDENTIAL BLOCK

MIGRATING SHORELINE PUBLIC BEACH

MIGRATING DUNE LINE

BEACH ACCESS/EVACUATION ROUTE

OVERWASH CELL

OCCUPIABLE SAND BERMFUTURE ACCESS ROAD CORRIDOR

PRIVATE WETLAND OVERLOOK

PRIVATE BOAT LANDINGS

PUBLIC WATER TAXI LANDING

RESIDENTIAL BLOCK COMPONENTS AND LOGIC

1. PLACE FRAMING BULKHEAD 2. STABILIZE PIER FOUNDATION 3. DRIVE COTTAGE PIERS 4. BUILD COTTAGE SKELETON 4. LOAD MODULAR UNITS 5. WRAP WITH PROTECTIVE SKIN 6. UNWRAP AND UNLOAD

MIGRATINGCOTTAGE

UNITS

DREDGE CONVEYANCE INFRASTRUCTURE

BULKHEAD ARMATURE

WEATHER SKIN

MODULAR UNITS

COTTAGE SKELETON

DREDGE SAND

EXISTING HIGH MARSH

1. 2. 3. 4.

5. 6. 7. 8.

CYCLICAL REBUILDINGTHESIS STUDIO: MODELING RETREAT, SPRING 2013

OVERWASH ROADTHESIS STUDIO: MODELING RETREAT, SPRING 2013

CONSTRUCTED HIGH MARSH OVERWASH AREA ROAD/PATH LOW FRONT DUNE

BONDED SAND SURFACE REAPPLICATION

SAND OVERWASH


ASLA_presentation_slides_final_thesisonly

Documents

Transcript of ASLA_presentation_slides_final_thesisonly