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Digging hole #1, Aug 18.

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Presentation on theme: "Digging hole #1, Aug 18."— Presentation transcript:

1 Digging hole #1, Aug 18

2 Hole #1 snapshot, see astericks, Aug 18

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

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

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

6 Two days after, daytimex image
Hole plus instrument pipes

7 Fourier Phase Maps – astericks marks Elgar hole

8 Time stamps on all images
Hole #2, Aug 20

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

10 Hole #2

11 Dye Experiment

12 Snapshot goes with next slide. Notes waves from southeast.

13 Simultaneous timex. Note piling wakes from longshore current

14 Waves from southeast. Elgar group about to “jet”

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

16 Snap goes with next slide
Gator with yellow instrumented surf board

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

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

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

20 Rectification of Same Brightest Images
Rip heads

21 Long SE swell crossing short NE wind waves

22 Striped dissipation patterns due to long/short wave interaction

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

24 26 August rectification (messy trough)

25 Nice SE Swell from Hurricane Danielle

26 Argus Resolution Map

27 Pixel Array Design, Including VBar

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

29 Pixel Sampling Array, 09/09/10

30 Pixel Sampling Array, 09/11/10

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

32 Zoom of sampling patterns for example fixed instrument locations

33 Sept 9, 2010 Merged Snap With Instruments

34 Sept 9, 2010 Merged Timex With Instruments

35 Sept 9, 2010 Merged Variance With Instruments

36 Sept 9, 2010 Merged Brightest With Instruments

37 APL large balloon in transit

38 Rip-induced whitecapping?

39 09/12/10, 1100 EST, brightest Max runup

40 09/12/10, 1100 EST, darkest People walking on pier Person walking along max runup Max run-down

41 Civilians walking on the beach
Forklift & jetski

42 Gator on pier?? Forklift picking up jetski

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

44 LTAIR launch close to tower.
Paddling surfer Morning traffic

45 Rip forcing foam??

46

47 LTAIR shadow

48 Windshield splat

49 Extreme refraction Nonlinear crossing waves

50 CRAB

51 Stevelings in hole #5 Brian driving the backhoe home.

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