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Current* Antarctic large iceberg positions derived from ASCAT**

* Last revised: 17:24:45 06/24/15

**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 28'W 75 38'S 173
a5653 15'W 63 19'S 173
a5754 13'W 75 31'S 173
a6116 23'W 72 16'S 173
a6345 14'W 76 21'S 173
a6460 55'W 69 25'S 173
b09b142 26'E 66 39'S 173
b09d5 38'E 69 58'S 173
b09f11 1'W 70 42'S 173
b09g44 13'E 67 22'S 173
b09h15 23'E 69 17'S 173
b15aa51 47'E 65 39'S 173
b15ab51 10'E 65 53'S 173
b15k59 28'W 66 1'S 173
b15r47 43'W 64 2'S 173
b15t16 16'W 71 47'S 173
b15x54 9'W 61 32'S 173
b15y56 14'W 63 15'S 173
b15z12 38'E 69 25'S 173
b1612 20'W 71 2'S 173
b17a36 37'W 54 20'S 173
b22a108 38'W 74 5'S 173
b28108 37'W 74 29'S 173
b29109 6'W 74 21'S 173
b30131 29'W 74 2'S 173
b31111 48'W 72 32'S 173
b32156 59'W 74 1'S 173
b34139 12'W 74 30'S 173
c15143 1'E 66 13'S 173
c18b114 7'E 65 27'S 173
c21b95 38'E 64 58'S 173
c2496 2'E 64 45'S 173
c28b3 35'W 69 58'S 173
d1581 29'E 66 22'S 173
d20a36 48'E 69 7'S 173
d20b36 12'E 69 1'S 173
d21a29 56'E 68 58'S 173
d21b82 10'E 66 15'S 173
d2286 57'E 65 59'S 173
uk323131 47'E 65 33'S 173
uk324172 7'E 69 34'S 173

*** 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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