Digging hole #1, Aug 18.

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Presentation transcript:

Digging hole #1, Aug 18

Hole #1 snapshot, see astericks, Aug 18

Hole #1, Aug 18, immediately after dig. Timex image Cool megaripple features Removed sand

Hole #1, Aug 18, immediately after dig. Variance image

Hole #1, Aug 18, day after dig. Brightest image Walking surfer (1/2 second captures) Highest swash

Two days after, daytimex image Hole plus instrument pipes

Fourier Phase Maps – astericks marks Elgar hole

Time stamps on all images Hole #2, Aug 20

Hole #2 Variance (partially cloudy day, so beach also shows up).

Hole #2

Dye Experiment

Snapshot goes with next slide. Notes waves from southeast.

Simultaneous timex. Note piling wakes from longshore current

Waves from southeast. Elgar group about to “jet”

Nice swell propagating over very shallow bar then creating undular bore upon entering the trough

Snap goes with next slide Gator with yellow instrumented surf board

Simultaneous cool brightest image Water mass boundary Simultaneous cool brightest image Orange float “bacon slice” wave patterns Gator track (every ½ second)

Simultaneous cool brightest image APL LTAIRS balloon system Jet ski tracks APL truck Swift float track Tower Shadow

Short wave whitecapping over rip current head Jet ski tracks “bacon slice” wave patterns Gator track (every ½ second)

Rectification of Same Brightest Images Rip heads

Long SE swell crossing short NE wind waves

Striped dissipation patterns due to long/short wave interaction

Sept 9, 2010 merged rectification. (bar less defined at 800m and near pier)

26 August rectification (messy trough)

Nice SE Swell from Hurricane Danielle

Argus Resolution Map

Pixel Array Design, Including VBar

Vbar Stack Results Southerly current V divergence over shoal V convergence forces rip

Pixel Sampling Array, 09/09/10

Pixel Sampling Array, 09/11/10

Pixel Sampling Array, 09/11/10 MT01 MT05 MT03 MT08 MT06 MT09

Zoom of sampling patterns for example fixed instrument locations

Sept 9, 2010 Merged Snap With Instruments

Sept 9, 2010 Merged Timex With Instruments

Sept 9, 2010 Merged Variance With Instruments

Sept 9, 2010 Merged Brightest With Instruments

APL large balloon in transit

Rip-induced whitecapping?

09/12/10, 1100 EST, brightest Max runup

09/12/10, 1100 EST, darkest People walking on pier Person walking along max runup Max run-down

Civilians walking on the beach Forklift & jetski

Gator on pier?? Forklift picking up jetski

Wave fingerprints Stevelings jetting since O-dark:30 for Holex #5 Morning sun

LTAIR launch close to tower. Paddling surfer Morning traffic

Rip forcing foam??

LTAIR shadow

Windshield splat

Extreme refraction Nonlinear crossing waves

CRAB

Stevelings in hole #5 Brian driving the backhoe home.