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 | Ship | Manufacturer | Type | Prgm
300534062122370 | | 3201863 | | 02-Feb-2022 | | -13.5 | | -115.0 | | MAERSK OLIVIA | DBi | | SVP3GI | | 31412 | 220825 | | 2301616 | | 31-Jan-2022 | | 3.2 | | 86.5 | | SAGAR KANYA | Marlin-Yug | | BDGA3 | | 336 | 300534061076720 | | 6204596 | | 07-Oct-2021 | | 47.2 | | -28.5 | | UNKNOWN | NKE | | BD2GI | | 2222 | 300534061490000 | | 4602723 | | 22-Jul-2021 | | 30.8 | | -123.3 | | R/V SALLY RIDE | SIO | | BD2GHI | | 21312 | 300234067543330 | | 2101687 | | 03-Jan-2021 | | 47.0 | | 157.8 | | WESTWOOD RAINIE | DBi | | BD2GI | | 21312 | 300234066794650 | | 6203619 | | 02-Dec-2020 | | -28.3 | | -28.8 | | VG_FOR_MY_PLANE | Metocean | | BD2GHI | | 2222 | 300234066431010 | | 5401755 | | 27-Nov-2020 | | -54.0 | | -176.8 | | R/V ARAON | Pacific Gy | | BD2GI | | 21312 | 300234066332790 | | 1401764 | | 10-Dec-2019 | | -36.4 | | 60.7 | | UNKNOWN | Pacific Gy | | BD2GI | | 21312 | 300234063784580 | | 1601531 | | 08-Apr-2019 | | -13.1 | | 107.6 | | SWAN RIVER BRID | Metocean | | BD2GI | | 31312 | 300234067112360 | | 1301571 | | 13-Mar-2019 | | 20.4 | | -26.0 | | RONALD BROWN | Pacific Gy | | SVP3GI | | 31312 | 300234065749620 | | 1301619 | | 10-Mar-2019 | | 36.7 | | -20.2 | | UNKNOWN | Metocean | | BD2GI | | 2222 | 300234064872050 | | 5401598 | | 12-Feb-2018 | | -56.5 | | 174.2 | | TANGAROA | DBi | | BD2GI | | 21312 | |
Specification sheet info for dead drifters not in deployment log (underlined: aground/picked up):
ID | MANUFACTURER | TYPE | TRANSMISSION300534064001300: | | not in spec sheet300534060388900: | | not in spec sheet300534061652700 | | DBi | | | | SBD 9602 | 300534061655550 | | Pacific Gyre | | | | SBD 9602 | |