Composition of the Global Drifter Array on 25-Sep-2023:
DBi : | 393 |
Pacif.Gyre: | 365 |
SIO : | 126 |
Metocean: | 96 |
Unknown: | 71 |
NKE : | 36 |
Marlin Yug: | 2 | TOTAL: | 1089 |
Number of Iridium drifters: 1089
Fraction of array that is Iridium: 100.0 percent
Array size on 18 Sep 2023: 1094 drifters
Added IDs (9):
300234066570320 300534062099720 300534062489950 300534062585100 300534063019390 300534064649980 300534064703240 300534064709730 300534064709880
Lost IDs (14):
300234064018240 300234066338830 300234066430400 300234066439220 300234066439880 300234068343730 300534061071640 300534061384200 300534061397950 300534062025800
300534062123370 300534063319660 300534063488680 300534064401710
Net change: 9 - 14 = -5
New array size on 25 Sep 2023: 1089 drifters.
Death rate: 16.0 deaths per 1250 drifters per 7 days (836 deaths per 1250 per year).
Mean age of dead drifters: 762 days. Median: 704 days.
Deplog information for dead drifters (underlined: aground/picked up):
ID | WMO# | DepDate | DepLat | DepLon | Ship | Manufacturer | Type | Prgm
300534061071640 | | 6204563 | | 03-Apr-2021 | | 34.8 | | -62.0 | | UNKNOWN | NKE | | BD2GI | | 2222 | 300234066430400 | | 5401748 | | 28-Nov-2020 | | -60.0 | | -174.6 | | R/V ARAON | Pacific Gy | | BD2GI | | 21312 | 300234068343730 | | 4402652 | | 23-Aug-2020 | | 60.0 | | -47.2 | | R/V MARIA S. ME | SIO | | SVPGHI | | 21312 | 300234066439220 | | 1601650 | | 15-Aug-2019 | | -52.0 | | 71.0 | | ASTROLABE | Pacific Gy | | BD2GI | | 21321 | 300234066439880 | | 6202640 | | 06-Jun-2019 | | 19.8 | | -41.0 | | COLIBRI | Pacific Gy | | BD2GI | | 21321 | 300234066338830 | | 1701582 | | 28-Apr-2019 | | -55.0 | | 30.0 | | THOMAS THOMPSON | Pacific Gy | | BD2GI | | 21312 | 300234064018240 | | 3101511 | | 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 | TRANSMISSION300534064401710: | | not in spec sheet300534061397950: | | not in spec sheet300534062025800 | | DBi | | BD2A3 | | 300534063488680: | | not in spec sheet300534061384200 | | DBi | | SVP3A3 | | 300534063319660 | | NKE | | BD2A3 | | 300534062123370 | | DBi | | | | SBD 9602 | |