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Current* Antarctic large iceberg positions derived from ASCAT**

* Last revised: 18:07:51 05/02/17

**Operational users please note: This list cannot possibly contain all potentially hazardous icebergs in Antarctic waters -- Scatterometers such as ASCAT were designed for measuring ocean winds, not icebergs. Scatterometer data is useful for tracking icebergs, but is limited. During the Austral summer contrast between ocean and melting icebergs is reduced, which can result in gaps in visibility. Futher, as the SCP team is not an operational agency, errors are expected and we cannot be held responsible for omissions or errors in this database. Also note that the large icebergs tracked here tend to shed smaller iceberg fragments which are serious navigation hazards in nearby areas. Fragments (large and small) can drift substantial distances from their origins.

This information supplements the Antarctic Iceberg dataset maintained by the U.S. National Ice Center (NIC). If an inconsistency is observed, we recommend that NIC be considered authoritative.

This page is typically updated once or twice a week, typically on Mondays and possibly Fridays. Positions reported here are extracted from near real-time ASCAT data. Positions reported in the full iceberg database are generated from science data and have been more accurately tracked. The full database is updated only a few times per year

 
Iceberg***   Longitude   Lattitude Most recent observation  
(day of year****)
a23a41 15'W 75 51'S 121
a57a59 17'W 65 27'S 121
a57b59 41'W 68 2'S 121
a6130 26'W 62 57'S 121
a6346 25'W 76 18'S 121
a6461 17'W 69 42'S 121
b09b142 38'E 66 37'S 121
b09d39 23'W 63 8'S 121
b09f51 51'W 65 55'S 121
b09g41 46'E 68 2'S 121
b09h46 24'E 65 40'S 121
b09i135 23'E 65 4'S 121
b15aa16 12'E 72 17'S 121
b15ab51 16'E 65 58'S 121
b15t52 30'W 66 16'S 121
b15z51 58'W 66 8'S 121
b1634 45'W 73 58'S 121
b22a108 52'W 74 8'S 121
b28108 39'W 74 50'S 121
b29109 4'W 74 38'S 121
b30158 23'W 73 42'S 121
b31115 46'W 70 43'S 121
b35112 41'W 71 25'S 121
b37108 36'W 74 23'S 121
b38155 16'W 77 4'S 121
b39134 35'E 65 7'S 121
b40132 25'E 65 39'S 121
b41113 54'W 72 12'S 121
c15143 8'E 66 13'S 121
c18b114 1'E 65 27'S 121
c21b95 58'E 64 52'S 121
c2496 6'E 64 53'S 121
c28b51 50'W 66 3'S 121
c29143 4'E 66 2'S 121
c3096 15'E 64 45'S 121
c3195 59'E 64 52'S 121
c32160 27'E 69 18'S 121
c33162 12'E 69 41'S 121
d15a81 36'E 66 35'S 121
d15b81 57'E 67 12'S 121
d20a36 14'E 68 56'S 121
d20b35 46'E 68 28'S 121
d21a46 57'W 64 52'S 121
d21b76 12'E 65 57'S 121
d2286 58'E 65 55'S 121
d2374 43'E 69 28'S 121
d2629 41'E 69 20'S 121
uk23513 17'E 69 48'S 121
uk324149 44'E 66 46'S 121
uk32516 22'E 69 51'S 121
uk32613 12'E 69 51'S 121

*** National Ice Center (NIC) iceberg designations are used where possible. Additional fragments are numbered. Icebergs not designated by NIC are denoted as "uk". Fragments not separately tracked by NIC may have additional numbers following their designation.

**** UTC day-of-year. Day of year chart


BYU Antarctic Iceberg Database - Comprehensive historic database of Antarctic iceberg positions derived from enhanced resolution scatterometer image time series spanning from 1978 through the present.

Selected papers on scatterometer iceberg tracking:
Paper (2.1MB pdf) K.M. Stuart and D.G. Long, "Tracking large tabular icebergs using the SeaWinds Ku-band microwave scatterometer", Deep-Sea Research Part II, doi:10.1016/j.dsr2.2010.11.004, Vol. 59, pp. 1285-1300, 2011.
Paper (620 kB pdf) D.G. Long, Jarom Ballantyne, and C. Bertoia, "Is the Number of Icebergs Really Increasing?" EOS, Transactions of the American Geophysical Union, Vol. 83, No. 42, pp 469 & 474, 15 Oct. 2002
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