AOML
NOAA

Composition of the Global Drifter Array on 05-Feb-2018:
DBi : 509
Pacif.Gyre: 404
Metocean: 267
SIO : 228
Unknown: 5
Marlin Yug: 1
Clearwater: 1
TOTAL: 1415

Number of Iridium drifters: 972

Fraction of array that is Iridium: 68.7 percent

Array size on 29 Jan 2018: 1414 drifters

Added IDs (23):

65743790 65741690 65740710 65743750 65740700 63941860 63941890 63942840 65747770 65740200

65746810 65749570 65749690 65746740 63347250 63479570 63898680 63898730 63945810 64823180

64823440 64826500 65708620

Lost IDs (23):

127387 139950 145750 115991 123265 63940860 61878840 63807150 61878860 63157510

63158530 63246710 63254860 63345650 63346730 63474630 63733870 63844320 63937800 64760570

64826370 64826420 65310680

Net change: 23 - 23 = 0

New array size on 5 Feb 2018: 1414 drifters.

Death rate: 20.3 deaths per 1250 drifters per 7 days (1059 deaths per 1250 per year).

Mean age of dead drifters: 532 days. Median: 368 days.

Deplog information for dead drifters (underlined: aground/picked up):

IDWMO#DepDateDepLatDepLonShipManufacturerTypePrgm
63474630530150711-Nov-20173.080.9AL MESSILAH DBi BD2GI 21312
65310680210157721-Sep-201718.5131.5UNKNOWN SIO BD2WHI 21312
63844320640153424-Aug-201778.8-0.0R/V DANA SIO SVPVHI 21312
64826370140155723-Jul-2017-16.865.0UNKNOWN Pacific GySVP3GI 21312
64826420140155919-Jul-2017-11.067.0UNKNOWN Pacific GySVP3GI 21312
63940860110151312-Jun-20173.055.4CHAMPLAIN SIO BD2GHI 21321
64760570320158208-Jun-2017-3.0-110.0RONALD BROWN Pacific GySVP3GI 21312
63157510140152224-May-20179.053.1MARIE DELMAS SIO SVPGHI 21312
63158530140152425-Apr-20179.053.1MARIE DELMAS SIO SVPGHI 21312
63733870150150811-Apr-20170.38.8WCS Metocean SVP3GI 21312
63254860140152829-Mar-20179.053.1MARIE DELMAS SIO SVPGHI 21312
63346730170150602-Feb-2017-44.07.5R/V AGULHAS II SIO BD2GHI 21312
63345650510250625-Jul-20162.0-179.8RONALD BROWN SIO SVPGHI 21312
63246710460152311-Jun-201649.4-136.7CCGS TULLY Pacific GyBD2GI 21312
139950320073318-May-2016-1.8-102.0MAERSK BRATAN Pacific GySVP3A3 6129
61878860440150124-Mar-201636.4-60.0OOCL KOBE DBi BD2GI 20921
63937800720150611-Feb-2016-61.5-142.0R/V ARAON Pacific GyBD2GI 21312
145750560090409-Feb-2016-52.775.0R/V INVESTIGATOPacific GySVP3A3 6129
63807150310086410-Jan-2016-23.0-31.4HURST POINT Metocean BD2GI 2222
115991330053522-Jul-2015-53.3-44.8SA AGULHAS Pacific GyBD2A3 7325
61878840160051522-Mar-2015-47.459.7OSIRIS DBi BD2GI 20921
127387550063430-Jan-2015-50.0171.1TANGAROA Pacific GyBD2A3 6129
123265210053210-Jul-201344.5155.7BLUEFIN DBi SVPBD2 7325

Specification sheet info for dead drifters not in deployment log (underlined: aground/picked up):

IDMANUFACTURERTYPETRANSMISSION