GDP Weekly Array Status Update



Composition of the Global Drifter Array on 25-Mar-2024:

Pacif.Gyre: 440
DBi : 341
SIO : 186
Metocean: 120
Unknown: 52
NKE : 18
Marlin Yug: 3
TOTAL: 1160



Number of Iridium drifters: 1158

Fraction of array that is Iridium: 99.8 percent

Array size on 18 Mar 2024: 1168 drifters


Added IDs (8):

300534063010380 300534063013260 300534063013370 300534063013380 300534063013390 300534064002300 300534064008280 300534064197370


Lost IDs (16):

220825 300234063784580 300234064872050 300234065749620 300234066332790 300234066431010 300234066794650 300234067112360 300234067543330 300534060388900

300534061076720 300534061490000 300534061652700 300534061655550 300534062122370 300534064001300


Net change: 8 - 16 = -8

New array size on 25 Mar 2024: 1160 drifters.


Death rate: 17.2 deaths per 1250 drifters per 7 days (896 deaths per 1250 per year).


Mean age of dead drifters: 1131 days. Median: 1077 days.


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

ID WMO# DepDate DepLat DepLon ShipManufacturer Type Prgm
300534062122370320186302-Feb-2022-13.5-115.0MAERSK OLIVIA DBi SVP3GI 31412
220825230161631-Jan-20223.286.5SAGAR KANYA Marlin-YugBDGA3 336
300534061076720620459607-Oct-202147.2-28.5UNKNOWN NKE BD2GI 2222
300534061490000460272322-Jul-202130.8-123.3R/V SALLY RIDE SIO BD2GHI 21312
300234067543330210168703-Jan-202147.0157.8WESTWOOD RAINIEDBi BD2GI 21312
300234066794650620361902-Dec-2020-28.3-28.8VG_FOR_MY_PLANEMetocean BD2GHI 2222
300234066431010540175527-Nov-2020-54.0-176.8R/V ARAON Pacific GyBD2GI 21312
300234066332790140176410-Dec-2019-36.460.7UNKNOWN Pacific GyBD2GI 21312
300234063784580160153108-Apr-2019-13.1107.6SWAN RIVER BRIDMetocean BD2GI 31312
300234067112360130157113-Mar-201920.4-26.0RONALD BROWN Pacific GySVP3GI 31312
300234065749620130161910-Mar-201936.7-20.2UNKNOWN Metocean BD2GI 2222
300234064872050540159812-Feb-2018-56.5174.2TANGAROA DBi BD2GI 21312


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

not in spec sheetnot in spec sheet
ID MANUFACTURER TYPE TRANSMISSION
300534064001300:
300534060388900:
300534061652700DBi SBD 9602
300534061655550Pacific Gyre SBD 9602