Composition of the Global Drifter Array on 31-Aug-2026:
| Pacif.Gyre: | 588 |
| SIO : | 177 |
| DBi : | 127 |
| Metocean: | 112 |
| Unknown: | 99 |
| NKE : | 29 | TOTAL: | 1132 |
Number of Iridium drifters: 1132
Fraction of array that is Iridium: 100.0 percent
Array size on 24 Aug 2026: 1134 drifters
Added IDs (13):
300534063902000 300534065169510 300534065260720 300534065260780 300534065260830 300534065959760 300534065959780 300534067585350 300534067586460 300534067586500
300534067586880 300534068050510 300534068050570
Lost IDs (15):
300534062094750 300534065284150 300534060716650 300534060716660 300534061347330 300534061399950 300534063035190 300534063488250 300534065079960 300534065160860
300534065163480 300534065164500 300534065262780 300534065471530 300534068117370
Net change: 13 - 15 = -2
New array size on 31 Aug 2026: 1132 drifters.
Death rate: 16.5 deaths per 1250 drifters per 7 days (863 deaths per 1250 per year).
Mean age of dead drifters: 681 days. Median: 567 days.
Deplog information for dead drifters (underlined: aground/picked up):
| ID | WMO# | DepDate | DepLat | DepLon | Ship | Manufacturer | Type | Prgm
| 300534061399950 | | 4602722 | | 01-Aug-2021 | | 34.0 | | -123.0 | | R/V SALLY RIDE | SIO | | BD2GHI | | 21312 | 300534061347330 | | 1501715 | | 14-Mar-2021 | | -20.0 | | -0.4 | | MV HELENA | DBi | | BD2GI | | 21312 | |
Specification sheet info for dead drifters not in deployment log (underlined: aground/picked up):
| ID | MANUFACTURER | TYPE | TRANSMISSION| 300534065160860 | | Pacific Gy | | SVP3A3 | | 300534063488250 | | Metocean | | SVP3A3 | | 300534065163480 | | Pacific Gy | | SVP3A3 | | 300534068117370 | | Pacific Gy | | SVP3A3 | | 300534065471530 | | SIO | | BD2GHI | | 300534065164500 | | Pacific Gy | | SVP3A3 | | 300534065284150 | | Metocean | | BD2GHI | | 300534065079960 | | SIO | | BD2GHI | | 300534065262780 | | Pacific Gy | | BD2A3 | | 300534063035190 | | Metocean | | SVP3A3 | | 300534060716650 | | Pacific Gy | | BD2A3 | | 300534060716660 | | Pacific Gy | | BD2A3 | | 300534062094750 | | Pacific Gy | | BD2A3 | | |