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Current* Antarctic large iceberg positions derived from ASCAT**

* Last revised: 11:36:09 09/20/16

**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****)
a23a41 53'W 75 53'S 262
a57a59 5'W 67 22'S 262
a57b59 58'W 68 58'S 262
a6136 40'W 65 22'S 262
a6345 50'W 76 25'S 262
a6460 55'W 69 44'S 262
a6633 58'W 55 20'S 262
b09b142 33'E 66 33'S 262
b09d43 15'W 67 8'S 262
b09f44 46'W 69 13'S 262
b09g41 43'E 68 2'S 262
b09h38 53'E 70 20'S 262
b09i135 41'E 65 8'S 262
b15aa30 11'E 68 53'S 262
b15ab51 21'E 65 54'S 262
b15k44 49'W 51 5'S 262
b15t45 28'W 70 14'S 262
b15z45 22'W 70 12'S 262
b1637 0'W 76 1'S 262
b22a109 0'W 74 1'S 262
b28108 21'W 74 44'S 262
b29109 40'W 74 38'S 262
b30153 27'W 75 10'S 262
b31112 7'W 71 17'S 262
b34179 36'E 67 30'S 262
b35108 5'W 73 36'S 262
b37108 49'W 74 33'S 262
b38155 20'W 77 3'S 262
b39135 41'E 65 8'S 262
b40132 22'E 65 38'S 262
b41104 7'W 74 44'S 262
c15143 16'E 66 22'S 262
c18b114 4'E 65 23'S 262
c21b95 45'E 64 56'S 262
c2496 14'E 64 44'S 262
c28b44 30'W 69 14'S 262
c29142 56'E 66 8'S 262
c3096 34'E 64 41'S 262
c3196 55'E 64 37'S 262
c32162 28'E 70 3'S 262
c33169 6'E 73 56'S 262
d15a82 14'E 66 59'S 262
d15b82 18'E 66 56'S 262
d20a36 29'E 68 59'S 262
d20b35 58'E 68 30'S 262
d21a36 46'W 69 0'S 262
d21b81 39'E 66 3'S 262
d2286 47'E 65 54'S 262
d2374 42'E 69 25'S 262
d2629 16'E 69 27'S 262
uk23513 53'E 69 33'S 262
uk324149 21'E 66 5'S 262
uk32515 31'E 69 37'S 262
uk32613 13'E 69 44'S 262

*** 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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