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Current* Antarctic large iceberg positions derived from ASCAT**

* Last revised: 14:34:00 12/06/16

**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****)
a23a42 10'W 75 57'S 339
a57a58 30'W 66 29'S 339
a57b60 3'W 68 12'S 339
a6134 45'W 63 32'S 339
a6345 52'W 76 27'S 339
a6460 26'W 69 23'S 339
a6624 38'W 53 29'S 339
b09b142 34'E 66 37'S 339
b09d44 12'W 64 47'S 339
b09f45 29'W 68 21'S 339
b09g41 45'E 68 1'S 339
b09h39 31'E 69 3'S 339
b09i135 43'E 65 9'S 339
b15aa20 23'E 69 37'S 339
b15ab51 21'E 66 0'S 339
b15k32 8'W 48 6'S 339
b15t48 14'W 69 50'S 339
b15z47 54'W 70 7'S 339
b1636 18'W 75 41'S 339
b22a109 39'W 73 50'S 339
b28109 2'W 74 51'S 339
b29109 13'W 74 19'S 339
b30152 21'W 73 37'S 339
b31113 4'W 70 47'S 339
b34177 57'E 67 24'S 339
b35109 19'W 72 10'S 339
b37108 3'W 74 18'S 339
b38155 21'W 77 5'S 339
b39135 41'E 65 7'S 339
b40132 37'E 65 40'S 339
b41108 1'W 73 14'S 339
c15143 18'E 66 23'S 339
c18b114 4'E 65 26'S 339
c21b95 58'E 64 57'S 339
c2495 38'E 65 25'S 339
c28b46 5'W 68 42'S 339
c29143 5'E 66 5'S 339
c3096 25'E 64 44'S 339
c3196 34'E 64 40'S 339
c32162 37'E 70 2'S 339
c33169 48'E 73 30'S 339
d15a82 4'E 66 27'S 339
d15b82 1'E 67 9'S 339
d20a36 11'E 68 54'S 339
d20b35 50'E 68 31'S 339
d21a40 1'W 68 22'S 339
d21b81 34'E 65 59'S 339
d2286 55'E 65 58'S 339
d2374 38'E 69 29'S 339
d2629 6'E 69 29'S 339
uk23512 59'E 69 50'S 339
uk324149 30'E 66 9'S 339
uk32515 33'E 69 40'S 339
uk32613 2'E 69 50'S 339

*** 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