Composition of the Global Drifter Array on 22-Apr-2024:
| Pacif.Gyre: | 449 |
| DBi : | 327 |
| SIO : | 177 |
| Metocean: | 114 |
| Unknown: | 57 |
| NKE : | 18 |
| Marlin Yug: | 2 | TOTAL: | 1144 |
Number of Iridium drifters: 1143
Fraction of array that is Iridium: 99.9 percent
Array size on 15 Apr 2024: 1151 drifters
Added IDs (11):
220830 300534060716650 300534060717640 300534060717660 300534060719650 300534062096800 300534063018320 300534063018360 300534063018370 300534064001300
300534064298950
Lost IDs (18):
300234010821550 300234060253330 300234064016240 300234065740230 300234066435290 300234066571150 300234068248620 300534061391930 300534061395310 300534061651550
300534061653490 300534061655030 300534062028800 300534062367820 300534062487480 300534063700650 300534064306900 300534064903780
Net change: 11 - 18 = -7
New array size on 22 Apr 2024: 1144 drifters.
Death rate: 19.6 deaths per 1250 drifters per 7 days (1022 deaths per 1250 per year).
Mean age of dead drifters: 874 days. Median: 606 days.
Deplog information for dead drifters (underlined: aground/picked up):
| ID | WMO# | DepDate | DepLat | DepLon | Ship | Manufacturer | Type | Prgm
| 300534061655030 | | 4402726 | | 20-Jul-2021 | | 62.8 | | -73.0 | | CCGS TERRY FOX | Pacific Gy | | BD2GI | | 21421 | 300534061653490 | | 4601841 | | 13-Jan-2021 | | 21.0 | | -138.1 | | Air deployed | SIO | | BD2GHI | | 21312 | 300234066571150 | | 1601691 | | 22-Feb-2020 | | -22.2 | | 2.2 | | MV HELENA | DBi | | BD2GI | | 21312 | 300234066435290 | | 5401692 | | 14-Feb-2020 | | -60.2 | | 167.4 | | SPIRIT OF ENDER | Pacific Gy | | BD2GI | | 21312 | 300234068248620 | | 4601743 | | 12-Feb-2020 | | 41.0 | | -140.0 | | Air deployed | SIO | | BD2GHI | | 21312 | 300234065740230 | | 4101719 | | 16-Dec-2018 | | 33.9 | | -51.0 | | CMA CGM ALCAZAR | Metocean | | BD2GI | | 2222 | 300234064016240 | | 3101510 | | 17-Oct-2018 | | -38.6 | | -53.9 | | Brazilian NAVY | Metocean | | BD2GI | | 31312 | |
Specification sheet info for dead drifters not in deployment log (underlined: aground/picked up):
| ID | MANUFACTURER | TYPE | TRANSMISSION| 300534064903780 | | SIO | | BD2VHI | | 300534063700650 | | Pacific Gy | | BD2A3 | | 300534062028800 | | DBi | | BD2A3 | | 300534064306900 | | SIO | | SVPGHI | | 300534062367820 | | Pacific Gy | | SVP3A3 | | 300534062487480 | | DBi | | BD2A3 | | 300234010821550 | | DBi | | SVP3A3 | | 300234060253330 | | DBi | | | | SBD 9602 | 300534061651550 | | SIO | | BD2GHI | | 300534061395310 | | SIO | | SVPGHI | | 300534061391930 | | SIO | | | | SBD 9602 | |