GDP Weekly Array Status Update



Composition of the Global Drifter Array on 10-Sep-2018:

DBi : 489
Pacif.Gyre: 366
SIO : 322
Metocean: 263
Unknown: 2
Marlin Yug: 2
Clearwater: 1
TOTAL: 1445



Number of Iridium drifters: 1182

Fraction of array that is Iridium: 81.8 percent

Array size on 3 Sep 2018: 1458 drifters


Added IDs (11):

62831750 65706800 63252870 65709990 65800000 65800030 65800040 65801030 65801040 65802000

65802030


Lost IDs (24):

116364 127057 132512 132613 132730 145676 141571 114557 64115640 62441630

63324140 63805020 63944800 63944870 63949860 64824010 64826370 64828360 65318660 65413070

65417420 65510810 65580600 65607920


Net change: 11 - 24 = -13

New array size on 10 Sep 2018: 1445 drifters.


Death rate: 20.7 deaths per 1250 drifters per 7 days (1078 deaths per 1250 per year).


Mean age of dead drifters: 518 days. Median: 318 days.


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

ID WMO# DepDate DepLat DepLon ShipManufacturer Type Prgm
65417420170155105-May-2018-37.923.9SA AGULHAS SIO BD2GHI 21312
63944870140158106-Apr-20183.248.1UNKNOWN SIO SVPGHI 21312
63944800140157704-Apr-20185.051.9UNKNOWN SIO SVPGHI 21312
65413070540162913-Mar-2018-47.0168.3UNKNOWN SIO SVPVHI 21312
63805020710150804-Mar-2018-70.1-37.0USN SURVEY Metocean BD2GI 21312
64828360150158903-Mar-20184.0-23.0THALASSA Pacific GySVP3GI 21312
64824010740150925-Jan-2018-62.06.1NABOS Pacific GyBD2GI 21312
64115640230172906-Jan-20188.868.0CMA CGM JULES VMetocean BD2GI 2222
63949860460165815-Dec-201739.5144.0WESTWOOD COLUMBSIO BD2GHI 21312
65318660440179609-Sep-201748.6-39.0WHOI SIO SVPGHI 21312
64826370140155723-Jul-2017-16.865.0UNKNOWN Pacific GySVP3GI 21312
62441630460160209-Jul-201754.0-153.8UNKNOWN Metocean BD2GI 21312
63324140480160830-Sep-201672.7-156.1USCG HEALY DBi BD2GI 21312
145676330090006-Jan-2016-60.5-62.0LM GOULD DBi SVP3A3 6325
132730330069531-Dec-2015-51.8-26.1SA AGULHAS DBi BD2A3 6129
127057310070320-Nov-2015-8.2-33.2Brazilian NAVY Pacific GySVP3A3 6129
132512170065712-Sep-2015-41.5-10.0SA AGULHAS Pacific GyBD2A3 6129
132613520066628-Jul-20156.9165.0GAIA DBi SVP3A3 6129
141571130057125-May-201535.4-22.1SEAKEEPERS - LAMetocean SVP3 7325
116364440089330-May-201438.4-49.5EMPIRE STATE DBi SVP3A3 6129


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

ID MANUFACTURER TYPE TRANSMISSION
65607920Pacific GySVP3A3
65580600DBiBD2A3
65510810SIOSVPGHI
114557DBiBD2A3