GDP Weekly Array Status Update



Composition of the Global Drifter Array on 11-Feb-2019:

DBi : 402
Pacif.Gyre: 390
SIO : 307
Metocean: 237
Unknown: 10
Marlin Yug: 2
TOTAL: 1348



Number of Iridium drifters: 1160

Fraction of array that is Iridium: 86.1 percent

Array size on 4 Feb 2019: 1361 drifters


Added IDs (14):

63941720 64704680 65512410 65582750 65614170 65619570 65662990 65710080 65710130 65710170

65710210 66309020 66432020 67203340


Lost IDs (27):

139619 145866 62832730 60203850 61511850 62323360 62957290 63046070 63258170 63944940

63948830 63949720 64827430 64942910 65312740 65414830 65433170 65515670 65517380 65519350

65604530 65605520 65608540 65661790 65708610 65920130 66710820


Net change: 14 - 27 = -13

New array size on 11 Feb 2019: 1348 drifters.


Death rate: 24.9 deaths per 1250 drifters per 7 days (1299 deaths per 1250 per year).


Mean age of dead drifters: 570 days. Median: 405 days.


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

ID WMO# DepDate DepLat DepLon ShipManufacturer Type Prgm
65661790560155527-Oct-2018-13.2117.6R/V WHALE SONG Metocean BD2GI 21312
66710820540165305-Oct-2018-9.1-140.5ALIS DBi SVP3GI 21312
65519350520166527-Aug-20188.5134.6UNKNOWN SIO SVPGHI 21312
65608540140167711-Aug-20183.0164.8RONALD BROWN Pacific GySVP3GI 21312
65433170210161209-Aug-201834.8157.3GAIA DBi SVP3GI 21312
65312740430156205-Aug-201812.6-125.8LADY AMBER SIO BD2GHI 21312
65517380430155824-Jul-201810.9-125.5LADY AMBER SIO SVPGHI 21312
65515670230162315-Jul-20188.083.9UNKNOWN SIO SVPGHI 21312
65605520230159615-Jul-2018-13.8115.0RONALD BROWN Pacific GySVP3GI 21312
65920130420154607-Jun-201818.2-64.7R/V NANCY FOSTEDBi SVP3GI 21312
63944940110152404-May-20185.550.4UNKNOWN SIO SVPGHI 21312
64827430150158501-Mar-201813.0-23.4THALASSA Pacific GySVP3GI 21312
65708610210159207-Feb-201843.0-151.0WESTWOOD COLUMBPacific GyBD2GI 21312
65604530550154502-Jan-2018-40.0110.0FV UMITAKA-MARUPacific GySVP3GI 21312
63949720210158516-Dec-201738.5143.0WESTWOOD COLUMBSIO BD2GHI 21312
64942910330070413-Dec-2017-41.4-7.6UNKNOWN Metocean BD2GI 2222
145866140094101-Dec-201716.155.4USN SURVEY DBi SVP3A3 6129
65414830430152709-Nov-20179.8-125.2LADY AMBER SIO SVGSHI 21312
63948830440177609-Sep-201748.6-39.0WHOI SIO SVPGHI 21312
63258170520160510-Aug-20178.5135.6UNKNOWN SIO BD2GHI 21312
63046070160152016-Aug-2016-41.152.7MARION DUFRESNEPacific GyBD2GI 21321
62957290640155119-Jun-201662.7-17.0LAGARFOSS Metocean BD2GI 2222
139619320081020-Nov-2015-12.7-87.5KON TIKI 2 DBi SVP3A3 6129
62323360650060218-May-201558.2-50.9CCGS HUDSON Metocean BD2GI 2222
62832730550090306-Jan-2015-61.0157.3UNKNOWN Pacific GySVP3GI 11325
61511850650059619-Jun-201461.0-49.9AVENTURA IV Metocean BD2GI 2222
60203850620094002-Jun-201439.8-33.9YANTIAN EXPRESSPacific GyBD2GI 9999


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

ID MANUFACTURER TYPE TRANSMISSION