GDP Weekly Array Status Update



Composition of the Global Drifter Array on 15-Apr-2019:

Pacif.Gyre: 395
DBi : 378
SIO : 347
Metocean: 232
Unknown: 35
Marlin Yug: 2
TOTAL: 1389



Number of Iridium drifters: 1247

Fraction of array that is Iridium: 89.8 percent

Array size on 8 Apr 2019: 1393 drifters


Added IDs (34):

145563 63346460 63802040 63940900 64700740 64701580 64701590 64701630 64701640 64701700

65235980 65514670 65514680 65517390 65517540 65517690 65519260 66319070 66319110 66319150

66319170 66319240 66319250 66319280 66319300 66319370 66319440 66319450 66319460 66319470

66319590 66517980 66533050 66534040


Lost IDs (38):

137377 132749 145735 122702 61475430 61477390 61497000 61871860 63320140 63476640

63479580 63941720 63941930 63993420 63995510 63996540 63997380 63998470 63998580 63999460

64803070 64806180 64820170 64820180 64820450 64870580 64878150 64878500 64903820 65339400

65480900 65512590 65514660 65514730 65605540 65702110 65704960 65709100


Net change: 34 - 38 = -4

New array size on 15 Apr 2019: 1389 drifters.


Death rate: 34.1 deaths per 1250 drifters per 7 days (1781 deaths per 1250 per year).


Mean age of dead drifters: 608 days. Median: 760 days.


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

ID WMO# DepDate DepLat DepLon ShipManufacturer Type Prgm
65512590550159112-Feb-2019-66.5151.3R/V INVESTIGATOSIO BD2GHI 21312
65702110330153430-Dec-20182.889.0USN SURVEY Pacific GySVP3GI 21312
65704960410161212-Oct-201845.0-6.9BEAUTEMPS-BEAUPPacific GyBD2GI 21321
65480900210160122-Aug-201856.4152.9R/V FAIRWEATHERDBi SVP3GI 21312
65339400440181608-Aug-201840.0-70.3USCG EAGLE DBi SVP3GI 21312
65709100540163428-Jul-2018-38.5180.0R/V KAHAROA Pacific GyBD2GI 21312
65605540230159815-Jul-2018-14.1111.0RONALD BROWN Pacific GySVP3GI 21312
63941930160156504-May-2018-16.273.0MARION DUFRESNESIO BD2GHI 21321
63941720160155901-Apr-2018-30.054.3MARION DUFRESNESIO BD2GHI 21321
63479580150152807-Mar-2018-53.3-44.1SA AGULHAS DBi BD2GI 21312
64870580540159513-Feb-2018-58.1174.2TANGAROA DBi BD2GI 21321
64803070160154308-Dec-2017-33.053.7MARION DUFRESNEPacific GyBD2GI 21312
64903820420152027-May-201726.7-90.2R/V NANCY FOSTEMetocean SVP3GI 21312
64806180150153617-Mar-2017-4.52.0THALASSA Pacific GyBD2GI 21312
63995510130151115-Mar-201720.1-34.0RONALD BROWN DBi SVP3GI 21312
63999460130152515-Mar-201720.1-34.0RONALD BROWN DBi SVP3GI 21312
63998470130152214-Mar-201720.3-28.9RONALD BROWN DBi SVP3GI 21312
63998580130152414-Mar-201720.3-28.9RONALD BROWN DBi SVP3GI 21312
63996540130151521-Feb-2017-31.8-45.6RONALD BROWN DBi SVP3GI 21312
63997380130151721-Feb-2017-31.8-45.6RONALD BROWN DBi SVP3GI 21312
64820170510253730-Jan-2017-5.0-139.9BLUEFIN DBi SVP3GI 21312
64820180510253829-Jan-2017-3.0-140.0BLUEFIN DBi SVP3GI 21312
64820450510254027-Jan-20170.1-140.1BLUEFIN DBi SVP3GI 21312
61497000230150310-Dec-2016-28.341.3MARION DUFRESNEDBi BD2GI 20921
63993420520155527-Oct-201615.0136.9GAIA DBi SVP3GI 21312
132749330095215-Oct-2016-60.0-63.3LM GOULD Pacific GyBD2A3 6129
122702130060311-Oct-201629.2-15.6ANGELES ALVARI DBi SVP3 8325
63320140460158503-Oct-201656.9-172.6USCG HEALY DBi BD2GI 21312
63476640320150817-Jun-2016-28.8-76.7STRATUS DBi BD2GI 21312
145735560061010-Feb-2016-52.475.2R/V INVESTIGATOPacific GySVP3A3 6129
61871860140051114-Nov-2015-25.154.7MARION DUFRESNEDBi BD2GI 20921
61477390440051710-Mar-201548.7-30.3ATLANTIC CONVEYDBi BD2GI 2222
61475430440077818-Nov-201439.5-50.0OOCL VANCOUVER DBi BD2GI 2222


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

ID MANUFACTURER TYPE TRANSMISSION
64878150DBiSVP3A3
64878500DBiSVP3A3
65514660SIOSVPVHI (w/o drogue)
65514730SIOSVPVHI (w/o drogue)
137377DBiSVP later format