Composition of the Global Drifter Array on 15-Apr-2024:
Pacif.Gyre: | 444 |
DBi : | 332 |
SIO : | 184 |
Metocean: | 116 |
Unknown: | 56 |
NKE : | 18 |
Marlin Yug: | 1 | TOTAL: | 1151 |
Number of Iridium drifters: 1151
Fraction of array that is Iridium: 100.0 percent
Array size on 8 Apr 2024: 1160 drifters
Added IDs (5):
300234066435290 300534060604600 300534060719690 300534062477420 300534064005320
Lost IDs (14):
300234060655120 300234064011410 300234065700780 300234068482590 300534060420520 300534061184910 300534061755070 300534062029710 300534062093710 300534062154470
300534062364660 300534063708670 300534063920500 300534064001300
Net change: 5 - 14 = -9
New array size on 15 Apr 2024: 1151 drifters.
Death rate: 15.1 deaths per 1250 drifters per 7 days (790 deaths per 1250 per year).
Mean age of dead drifters: 726 days. Median: 462 days.
Deplog information for dead drifters (underlined: aground/picked up):
ID | WMO# | DepDate | DepLat | DepLon | Ship | Manufacturer | Type | Prgm
300234068482590 | | 4802549 | | 23-Jul-2021 | | 57.0 | | -167.1 | | USCG HEALY | DBi | | BD2GI | | 21312 | 300234060655120 | | 1501651 | | 23-Sep-2020 | | -36.1 | | -3.0 | | SA AGULHAS | Pacific Gy | | BD2GI | | 21312 | 300234065700780 | | 3201679 | | 25-Jul-2020 | | -0.3 | | -100.0 | | MAERSK OLIVIA | Pacific Gy | | SVP3GI | | 21312 | 300534060420520 | | 4601764 | | 19-May-2020 | | 34.7 | | -143.9 | | SV KWAI | Pacific Gy | | BD2GI | | 21312 | 300234064011410 | | 4101541 | | 20-Jul-2017 | | 27.0 | | -79.7 | | R/V WALTON SMIT | Metocean | | SVP3GI | | 31312 | |
Specification sheet info for dead drifters not in deployment log (underlined: aground/picked up):
ID | MANUFACTURER | TYPE | TRANSMISSION300534063708670 | | Pacific Gy | | BD2A3 | | 300534064001300: | | not in spec sheet300534061184910 | | DBi | | BD2A3 | | 300534061755070 | | SIO | | BD2GHI | | 300534063920500 | | Metocean | | SVP3A3 | | 300534062093710 | | Pacific Gy | | BD2A3 | | 300534062154470 | | Pacific Gy | | BD2A3 | | 300534062029710 | | DBi | | BD2A3 | | 300534062364660 | | Pacific Gy | | SVP3A3 | | |