ALVIN Dive Information

Dive Number:4501Date:02/22/09
Cruise:AT-15Leg:44
Chief Scientist:LevinOperations Area:Costa Rica Mound 12
Latitude:08-55.800NLongitude:084-18.810W
Pilot:M. SpearObserver 1:Lisa Levin
Observer 2:Anne Dekas
Launch Time:13:57Time Submerged:8:15
Time on Surface:22:12Bottom Time:6:49
Depth:1008 metersPurpose:Biology/Geology
Sponsor:NSFData:
Still Images:2 digital cards Moving Images:8 DVcam tape(s)
1 handheld video
Observed:Anemones, Bacterial mats, Bedforms, Carbonates, Clams, Cold seep, Crabs, Lo temp vents, Mussels, Other worms, Sea stars, Soft sediment, Tube worms, Vent fish, brachyuranSampled:Bacterial mats, Crabs, Mussels, brachyuran
FrameGrabber Link:
Remarks:Bubbling seeps in mussel bed; massive carbonate edifices; waving yeti crabs - very abundant, shrimp and brachyuran crabs also abundant