Composition of the Global Drifter Array on 15-Apr-2019:
| Pacif.Gyre: | 395 |
| DBi : | 378 |
| SIO : | 347 |
| Metocean: | 232 |
| Unknown: | 35 |
| Marlin Yug: | 2 | TOTAL: | 1389 |
Number of Iridium drifters: 1247
Fraction of array that is Iridium: 89.8 percent
Array size on 8 Apr 2019: 1393 drifters
Added IDs (34):
145563 63346460 63802040 63940900 64700740 64701580 64701590 64701630 64701640 64701700
65235980 65514670 65514680 65517390 65517540 65517690 65519260 66319070 66319110 66319150
66319170 66319240 66319250 66319280 66319300 66319370 66319440 66319450 66319460 66319470
66319590 66517980 66533050 66534040
Lost IDs (38):
137377 132749 145735 122702 61475430 61477390 61497000 61871860 63320140 63476640
63479580 63941720 63941930 63993420 63995510 63996540 63997380 63998470 63998580 63999460
64803070 64806180 64820170 64820180 64820450 64870580 64878150 64878500 64903820 65339400
65480900 65512590 65514660 65514730 65605540 65702110 65704960 65709100
Net change: 34 - 38 = -4
New array size on 15 Apr 2019: 1389 drifters.
Death rate: 34.1 deaths per 1250 drifters per 7 days (1781 deaths per 1250 per year).
Mean age of dead drifters: 608 days. Median: 760 days.
Deplog information for dead drifters (underlined: aground/picked up):
| ID | WMO# | DepDate | DepLat | DepLon | Ship | Manufacturer | Type | Prgm
| 65512590 | | 5501591 | | 12-Feb-2019 | | -66.5 | | 151.3 | | R/V INVESTIGATO | SIO | | BD2GHI | | 21312 | 65702110 | | 3301534 | | 30-Dec-2018 | | 2.8 | | 89.0 | | USN SURVEY | Pacific Gy | | SVP3GI | | 21312 | 65704960 | | 4101612 | | 12-Oct-2018 | | 45.0 | | -6.9 | | BEAUTEMPS-BEAUP | Pacific Gy | | BD2GI | | 21321 | 65480900 | | 2101601 | | 22-Aug-2018 | | 56.4 | | 152.9 | | R/V FAIRWEATHER | DBi | | SVP3GI | | 21312 | 65339400 | | 4401816 | | 08-Aug-2018 | | 40.0 | | -70.3 | | USCG EAGLE | DBi | | SVP3GI | | 21312 | 65709100 | | 5401634 | | 28-Jul-2018 | | -38.5 | | 180.0 | | R/V KAHAROA | Pacific Gy | | BD2GI | | 21312 | 65605540 | | 2301598 | | 15-Jul-2018 | | -14.1 | | 111.0 | | RONALD BROWN | Pacific Gy | | SVP3GI | | 21312 | 63941930 | | 1601565 | | 04-May-2018 | | -16.2 | | 73.0 | | MARION DUFRESNE | SIO | | BD2GHI | | 21321 | 63941720 | | 1601559 | | 01-Apr-2018 | | -30.0 | | 54.3 | | MARION DUFRESNE | SIO | | BD2GHI | | 21321 | 63479580 | | 1501528 | | 07-Mar-2018 | | -53.3 | | -44.1 | | SA AGULHAS | DBi | | BD2GI | | 21312 | 64870580 | | 5401595 | | 13-Feb-2018 | | -58.1 | | 174.2 | | TANGAROA | DBi | | BD2GI | | 21321 | 64803070 | | 1601543 | | 08-Dec-2017 | | -33.0 | | 53.7 | | MARION DUFRESNE | Pacific Gy | | BD2GI | | 21312 | 64903820 | | 4201520 | | 27-May-2017 | | 26.7 | | -90.2 | | R/V NANCY FOSTE | Metocean | | SVP3GI | | 21312 | 64806180 | | 1501536 | | 17-Mar-2017 | | -4.5 | | 2.0 | | THALASSA | Pacific Gy | | BD2GI | | 21312 | 63995510 | | 1301511 | | 15-Mar-2017 | | 20.1 | | -34.0 | | RONALD BROWN | DBi | | SVP3GI | | 21312 | 63999460 | | 1301525 | | 15-Mar-2017 | | 20.1 | | -34.0 | | RONALD BROWN | DBi | | SVP3GI | | 21312 | 63998470 | | 1301522 | | 14-Mar-2017 | | 20.3 | | -28.9 | | RONALD BROWN | DBi | | SVP3GI | | 21312 | 63998580 | | 1301524 | | 14-Mar-2017 | | 20.3 | | -28.9 | | RONALD BROWN | DBi | | SVP3GI | | 21312 | 63996540 | | 1301515 | | 21-Feb-2017 | | -31.8 | | -45.6 | | RONALD BROWN | DBi | | SVP3GI | | 21312 | 63997380 | | 1301517 | | 21-Feb-2017 | | -31.8 | | -45.6 | | RONALD BROWN | DBi | | SVP3GI | | 21312 | 64820170 | | 5102537 | | 30-Jan-2017 | | -5.0 | | -139.9 | | BLUEFIN | DBi | | SVP3GI | | 21312 | 64820180 | | 5102538 | | 29-Jan-2017 | | -3.0 | | -140.0 | | BLUEFIN | DBi | | SVP3GI | | 21312 | 64820450 | | 5102540 | | 27-Jan-2017 | | 0.1 | | -140.1 | | BLUEFIN | DBi | | SVP3GI | | 21312 | 61497000 | | 2301503 | | 10-Dec-2016 | | -28.3 | | 41.3 | | MARION DUFRESNE | DBi | | BD2GI | | 20921 | 63993420 | | 5201555 | | 27-Oct-2016 | | 15.0 | | 136.9 | | GAIA | DBi | | SVP3GI | | 21312 | 132749 | | 3300952 | | 15-Oct-2016 | | -60.0 | | -63.3 | | LM GOULD | Pacific Gy | | BD2A3 | | 6129 | 122702 | | 1300603 | | 11-Oct-2016 | | 29.2 | | -15.6 | | ANGELES ALVARI | DBi | | SVP3 | | 8325 | 63320140 | | 4601585 | | 03-Oct-2016 | | 56.9 | | -172.6 | | USCG HEALY | DBi | | BD2GI | | 21312 | 63476640 | | 3201508 | | 17-Jun-2016 | | -28.8 | | -76.7 | | STRATUS | DBi | | BD2GI | | 21312 | 145735 | | 5600610 | | 10-Feb-2016 | | -52.4 | | 75.2 | | R/V INVESTIGATO | Pacific Gy | | SVP3A3 | | 6129 | 61871860 | | 1400511 | | 14-Nov-2015 | | -25.1 | | 54.7 | | MARION DUFRESNE | DBi | | BD2GI | | 20921 | 61477390 | | 4400517 | | 10-Mar-2015 | | 48.7 | | -30.3 | | ATLANTIC CONVEY | DBi | | BD2GI | | 2222 | 61475430 | | 4400778 | | 18-Nov-2014 | | 39.5 | | -50.0 | | OOCL VANCOUVER | DBi | | BD2GI | | 2222 | |
Specification sheet info for dead drifters not in deployment log (underlined: aground/picked up):
| ID | MANUFACTURER | TYPE | TRANSMISSION| 64878150 | | DBi | | SVP3A3 | | 64878500 | | DBi | | SVP3A3 | | 65514660 | | SIO | | SVPVHI (w/o drogue) | | 65514730 | | SIO | | SVPVHI (w/o drogue) | | 137377 | | DBi | | SVP later format | | |