Composition of the Global Drifter Array on 19-Sep-2022:
| Pacif.Gyre: | 407 |
| DBi : | 401 |
| SIO : | 225 |
| Metocean: | 133 |
| Unknown: | 63 |
| NKE : | 16 |
| Marlin Yug: | 12 | TOTAL: | 1257 |
Number of Iridium drifters: 1254
Fraction of array that is Iridium: 99.8 percent
Array size on 12 Sep 2022: 1250 drifters
Added IDs (26):
220822 220837 300234060250900 300234060253330 300234060258750 300234060352970 300234067878170 300234067878220 300534061659700 300534061659740
300534062770070 300534062772000 300534062773060 300534062774990 300534062776990 300534062778990 300534062779060 300534062779980 300534062872040 300534062873040
300534062874020 300534062875020 300534062877040 300534062878010 300534062878050 300534062879020
Lost IDs (19):
300234063947900 300234065706780 300234065707190 300234065808080 300234066436050 300234066913840 300234067177120 300234068249230 300534060019420 300534061285280
300534061289440 300534061290930 300534061393360 300534061490150 300534061491020 300534061497040 300534061654690 300534062121880 300534062834790
Net change: 26 - 19 = 7
New array size on 19 Sep 2022: 1257 drifters.
Death rate: 18.9 deaths per 1250 drifters per 7 days (988 deaths per 1250 per year).
Mean age of dead drifters: 620 days. Median: 361 days.
Deplog information for dead drifters (underlined: aground/picked up):
| ID | WMO# | DepDate | DepLat | DepLon | Ship | Manufacturer | Type | Prgm
| 300534061289440 | | 3201838 | | 13-Nov-2021 | | -3.0 | | -110.0 | | BLUEFIN | Pacific Gy | | BD2GI | | 31412 | 300534061654690 | | 5201734 | | 23-Sep-2021 | | -5.0 | | -155.0 | | BLUEFIN | DBi | | SVP3GI | | 31412 | 300234067177120 | | 3401643 | | 11-Mar-2021 | | 19.0 | | 155.0 | | R/V ARAON | Pacific Gy | | BD2GI | | 21312 | 300234068249230 | | 4601750 | | 25-Feb-2020 | | 40.1 | | -148.6 | | Air deployed | SIO | | BD2GHI | | 21312 | 300234066913840 | | 3301578 | | 17-Dec-2019 | | -60.0 | | -63.3 | | LM GOULD | DBi | | BD2GI | | 21312 | 300234065808080 | | 5601542 | | 27-Jul-2019 | | -6.1 | | 88.0 | | DENSA SEA LION | Pacific Gy | | BD2GI | | 21312 | 300234065706780 | | 5601567 | | 20-Apr-2019 | | -28.1 | | 57.8 | | MARION DUFRESNE | Pacific Gy | | BD2GI | | 21312 | 300234066436050 | | 3201729 | | 18-Apr-2019 | | -15.7 | | -104.0 | | STRATUS | Pacific Gy | | BD2GI | | 21312 | 300234065707190 | | 1601601 | | 14-Dec-2018 | | -47.2 | | 58.0 | | MARION DUFRESNE | Pacific Gy | | BD2GI | | 21321 | 300234063947900 | | 4401763 | | 11-Sep-2017 | | 44.4 | | -43.6 | | WHOI | SIO | | SVPGHI | | 21312 | |
Specification sheet info for dead drifters not in deployment log (underlined: aground/picked up):
| ID | MANUFACTURER | TYPE | TRANSMISSION| 300534060019420: | | not in spec sheet300534062834790: | | not in spec sheet300534061393360 | | SIO | | SVPGHI | | 300534061285280 | | DBi | | BD2A3 | | 300534062121880 | | DBi | | | | SBD 9602 | 300534061490150 | | SIO | | | | SBD 9602 | 300534061491020 | | SIO | | | | SBD 9602 | 300534061497040 | | SIO | | | | SBD 9602 | 300534061290930 | | SIO | | | | SBD 9602 | |