Composition of the Global Drifter Array on 06-Jul-2020:
| Pacif.Gyre: | 450 |
| SIO : | 434 |
| DBi : | 397 |
| Metocean: | 179 |
| NKE : | 41 |
| Unknown: | 1 | TOTAL: | 1502 |
Number of Iridium drifters: 1455
Fraction of array that is Iridium: 96.9 percent
Array size on 29 Jun 2020: 1511 drifters
Added IDs (11):
5411660 65511680 67174190 67174860 67175890 67643530 67643540 67644470 67644520 67644530
67644540
Lost IDs (20):
133122 145560 181934 63802150 63940890 64829170 64832280 65411660 65417240 65510360
65607520 65705770 65706480 65715210 65742680 66319860 66613020 67207250 67545130 67545910
Net change: 11 - 20 = -9
New array size on 6 Jul 2020: 1502 drifters.
Death rate: 16.6 deaths per 1250 drifters per 7 days (865 deaths per 1250 per year).
Mean age of dead drifters: 690 days. Median: 635 days.
Deplog information for dead drifters (underlined: aground/picked up):
| ID | WMO# | DepDate | DepLat | DepLon | Ship | Manufacturer | Type | Prgm
| 65715210 | | 4401838 | | 04-Feb-2020 | | 48.1 | | -41.9 | | CCGS HENRY LARS | SIO | | BD2GHI | | 21321 | 66613020 | | 4101758 | | 02-Feb-2020 | | 8.1 | | -52.8 | | ATALANTE | NKE | | BD2GI | | 2222 | 67545130 | | 5201680 | | 03-Nov-2019 | | 36.4 | | 161.0 | | R/V ISABU | DBi | | SVP3GI | | 21312 | 67545910 | | 5201684 | | 03-Nov-2019 | | 36.4 | | 160.5 | | R/V ISABU | DBi | | SVP3GI | | 21312 | 65706480 | | 6102508 | | 25-Oct-2019 | | 34.2 | | 25.7 | | R/V LAURA BASSI | Pacific Gy | | BD2GI | | 21321 | 66319860 | | 2101648 | | 11-Sep-2019 | | 22.1 | | 121.3 | | UNKNOWN | SIO | | SVPGHI | | 21312 | 65411660 | | 1401708 | | 10-Aug-2019 | | 1.0 | | 45.8 | | KUMASI | SIO | | SVPGHI | | 21312 | 67207250 | | 5301763 | | 15-Mar-2019 | | -6.0 | | 6.0 | | THALASSA | NKE | | BD2GI | | 2222 | 65417240 | | 1701549 | | 12-Dec-2018 | | -50.0 | | 1.4 | | SA AGULHAS | SIO | | BD2GHI | | 21312 | 65607520 | | 1401669 | | 08-Aug-2018 | | -3.0 | | 164.3 | | RONALD BROWN | Pacific Gy | | SVP3GI | | 21312 | 65705770 | | 4101624 | | 03-Jul-2018 | | 59.0 | | -33.2 | | THALASSA | Pacific Gy | | BD2GI | | 21321 | 65742680 | | 6401570 | | 23-May-2018 | | 66.7 | | -4.9 | | ORTELIUS | Metocean | | BD2GI | | 2222 | 64832280 | | 3401550 | | 06-Apr-2018 | | -60.0 | | -63.7 | | LM GOULD | DBi | | BD2GI | | 21312 | 65510360 | | 3201649 | | 18-Jan-2018 | | 10.6 | | -127.0 | | LADY AMBER | SIO | | SVPGHI | | 21312 | 63940890 | | 4101529 | | 25-Dec-2017 | | 35.1 | | -64.1 | | CMA CGM LA TRAV | SIO | | BD2GHI | | 21321 | 64829170 | | 5401537 | | 02-Aug-2017 | | -32.5 | | -167.1 | | Nathaniel B Pal | DBi | | BD2GI | | 21312 | 145560 | | 1500608 | | 14-Feb-2017 | | -20.6 | | 1.0 | | MAERSK VISBY | DBi | | SVP3A3 | | 6325 | 63802150 | | 3300954 | | 09-Nov-2015 | | -42.4 | | -46.5 | | Unknown | Metocean | | BD2GI | | 2222 | 133122 | | 2100914 | | 03-Jul-2014 | | 48.2 | | 160.8 | | WESTWOOD RAINIE | DBi | | SVPBD2 | | 9325 | |
Specification sheet info for dead drifters not in deployment log (underlined: aground/picked up):
| ID | MANUFACTURER | TYPE | TRANSMISSION| 181934: | | not in spec sheet |