Composition of the Global Drifter Array on 30-Jan-2023:
| DBi : | 380 |
| Pacif.Gyre: | 329 |
| SIO : | 135 |
| Metocean: | 117 |
| Unknown: | 44 |
| NKE : | 14 |
| Marlin Yug: | 6 | TOTAL: | 1025 |
Number of Iridium drifters: 1024
Fraction of array that is Iridium: 99.9 percent
Array size on 23 Jan 2023: 1038 drifters
Added IDs (7):
220829 220846 220848 300234066027240 300534061653410 300534061653510 300534063900080
Lost IDs (20):
300234064873100 300234064876550 300234065257020 300234066438320 300234066532030 300234066838680 300234066892240 300234067113280 300234067878390 300534060352470
300534060520110 300534061388110 300534061392330 300534061491080 300534061498410 300534061702530 300534062021760 300534062363640 300534062364570 300534062383420
Net change: 7 - 20 = -13
New array size on 30 Jan 2023: 1025 drifters.
Death rate: 24.2 deaths per 1250 drifters per 7 days (1264 deaths per 1250 per year).
Mean age of dead drifters: 722 days. Median: 657 days.
Deplog information for dead drifters (underlined: aground/picked up):
| ID | WMO# | DepDate | DepLat | DepLon | Ship | Manufacturer | Type | Prgm
| 300534062021760 | | 1501735 | | 26-Jan-2022 | | -21.0 | | -0.8 | | MV HELENA | DBi | | BD2GI | | 31412 | 300534061388110 | | 3201850 | | 28-Dec-2021 | | -18.6 | | -111.0 | | MAERSK OLIVIA | DBi | | SVP3GI | | 31412 | 300534061392330 | | 4102623 | | 14-May-2021 | | 35.3 | | -39.0 | | OCEANX - R/V OC | SIO | | SVPGHI | | 21312 | 300534061702530 | | 5102629 | | 13-Mar-2021 | | 26.3 | | -120.0 | | BLUEFIN | DBi | | SVP3GI | | 21312 | 300534060520110 | | 5201692 | | 06-Oct-2020 | | 11.4 | | -167.0 | | BLUEFIN | Pacific Gy | | BD2GI | | 21312 | 300234066892240 | | 6203633 | | 07-Aug-2020 | | 57.4 | | -35.2 | | UNKNOWN | Metocean | | BD2GHI | | 2222 | 300234066438320 | | 6202632 | | 13-Jul-2020 | | 52.8 | | -21.5 | | NORTH ABOUT | Pacific Gy | | BD2GI | | 21321 | 300234066532030 | | 4101659 | | 14-Dec-2019 | | -60.1 | | -12.0 | | LAGARFOSS | Pacific Gy | | BD2GI | | 21321 | 300234066838680 | | 4401859 | | 12-Oct-2019 | | 0.0 | | -24.0 | | METEOR | Pacific Gy | | BD2GI | | 21321 | 300234064876550 | | 1701540 | | 06-Oct-2019 | | -34.5 | | -0.0 | | SA AGULHAS | DBi | | BD2GI | | 21312 | 300234065257020 | | 1701529 | | 15-Aug-2019 | | -54.2 | | -35.3 | | SA AGULHAS | DBi | | BD2GI | | 21312 | 300234067113280 | | 1301573 | | 19-Mar-2019 | | 15.5 | | -25.0 | | RONALD BROWN | Pacific Gy | | SVP3GI | | 31312 | 300234064873100 | | 3401565 | | 06-Apr-2018 | | -23.9 | | -84.7 | | STRATUS | DBi | | SVP3GI | | 21312 | |
Specification sheet info for dead drifters not in deployment log (underlined: aground/picked up):
| ID | MANUFACTURER | TYPE | TRANSMISSION| 300534062383420 | | DBi | | BD2A3 | | 300534062363640 | | Pacific Gy | | SVP3A3 | | 300534062364570 | | Pacific Gy | | SVP3A3 | | 300234067878390 | | Pacific Gyre | | | | SBD 9602 | 300534061491080 | | SIO | | | | SBD 9602 | 300534061498410 | | SIO | | | | SBD 9602 | 300534060352470 | | NKE | | BD2A3 | | |