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Current* Antarctic large iceberg positions derived from ASCAT**

* Last revised: 15:01:45 04/20/15

**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****)
a23a42 8'W 75 55'S 109
a5654 51'W 66 26'S 109
a5750 43'W 76 53'S 109
a6116 34'W 72 24'S 109
a6345 5'W 76 24'S 109
a6460 53'W 69 42'S 109
b09b142 43'E 66 37'S 109
b09c54 5'E 65 40'S 109
b09d29 42'E 69 3'S 109
b09f16 6'E 69 7'S 109
b09g44 21'E 67 24'S 109
b15aa51 37'E 65 49'S 109
b15ab51 22'E 65 54'S 109
b15k59 3'W 66 48'S 109
b15r49 0'W 66 10'S 109
b15t12 9'E 69 26'S 109
b15x55 45'W 64 45'S 109
b15y56 9'W 63 54'S 109
b15z36 52'E 68 11'S 109
b1611 52'E 69 35'S 109
b17a34 55'W 55 11'S 109
b22a108 49'W 74 6'S 109
b28108 58'W 74 45'S 109
b29108 59'W 74 38'S 109
b30131 36'W 74 0'S 109
b31111 4'W 72 41'S 109
b32151 13'W 74 46'S 109
b33104 31'W 74 59'S 109
b34131 29'W 73 49'S 109
c15143 7'E 66 14'S 109
c18b114 1'E 65 27'S 109
c21b95 55'E 64 55'S 109
c2496 2'E 64 48'S 109
c28a2124 14'E 66 4'S 109
c28b33 19'E 67 59'S 109
d1581 57'E 66 48'S 109
d20b36 15'E 68 59'S 109
d2036 33'E 69 8'S 109
d21a39 11'E 68 16'S 109
d21b83 58'E 66 29'S 109
d2286 55'E 66 0'S 109
uk09380 43'E 66 35'S 109
uk316139 54'E 65 52'S 109
uk32257 0'W 67 6'S 060
uk323137 24'E 65 28'S 109

*** 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