Composition of the Global Drifter Array on 21-Jul-2025:
Pacif.Gyre: | 611 |
DBi : | 217 |
SIO : | 205 |
Metocean: | 144 |
NKE : | 41 |
Unknown: | 15 | TOTAL: | 1233 |
Number of Iridium drifters: 1233
Fraction of array that is Iridium: 100.0 percent
Array size on 14 Jul 2025: 1237 drifters
Added IDs (8):
300534067415720 300234066716520 300234067278380 300534061283440 300534065067000 300534065265840 300534065478070 300534063217380
Lost IDs (12):
300534063018370 300234067907810 300234066914830 300534061590100 300534062488950 300534063900090 300534064307850 300534064395450 300534065167330 300534065173730
300534065073950 300534065077520
Net change: 8 - 12 = -4
New array size on 21 Jul 2025: 1233 drifters.
Death rate: 12.1 deaths per 1250 drifters per 7 days (633 deaths per 1250 per year).
Mean age of dead drifters: 582 days. Median: 511 days.
Deplog information for dead drifters (underlined: aground/picked up):
ID | WMO# | DepDate | DepLat | DepLon | Ship | Manufacturer | Type | Prgm
300234066914830 | | 3301582 | | 19-Jun-2020 | | -59.0 | | -64.9 | | LM GOULD | DBi | | BD2GI | | 21312 | |
Specification sheet info for dead drifters not in deployment log (underlined: aground/picked up):
ID | MANUFACTURER | TYPE | TRANSMISSION300534065167330 | | Pacific Gy | | SVP3A3 | | 300534065077520 | | SIO | | BD2VHI | | 300534064395450 | | Pacific Gy | | SVP3A3 | | 300534065173730 | | SIO | | BD2GHI | | 300534065073950 | | SIO | | BD2VHI | | 300534063018370 | | Pacific Gy | | BD2A3 | | 300534062488950 | | DBi | | BD2A3 | | 300534064307850 | | SIO | | SVPGHI | | 300534063900090 | | Pacific Gy | | SVP3A3 | | 300234067907810 | | NKE | | BD2A3 | | 300534061590100 | | SIO | | | | SBD 9602 | |