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Current* Antarctic large iceberg positions derived from ASCAT**

* Last revised: 14:46:39 03/25/15

**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 42'W 75 45'S 083
a5656 3'W 67 41'S 083
a5749 50'W 77 5'S 083
a6116 37'W 72 21'S 083
a6345 12'W 76 24'S 083
a6461 0'W 69 43'S 083
b09b142 42'E 66 38'S 083
b09c54 11'E 65 37'S 083
b09d29 51'E 69 1'S 083
b09f31 37'E 68 38'S 083
b09g45 47'E 66 59'S 083
b15aa51 37'E 65 49'S 083
b15ab51 19'E 65 54'S 083
b15k59 50'W 66 56'S 083
b15r50 21'W 67 14'S 083
b15t18 38'E 69 40'S 083
b15x56 34'W 65 31'S 083
b15y56 27'W 63 47'S 083
b15z45 17'E 67 3'S 083
b1616 57'E 69 21'S 083
b17a36 14'W 55 17'S 083
b22a108 49'W 74 6'S 083
b28108 58'W 74 45'S 083
b29109 3'W 74 39'S 083
b30131 32'W 74 3'S 083
b31111 4'W 72 44'S 083
b32150 1'W 74 49'S 083
b33104 48'W 75 1'S 083
b34129 47'W 73 44'S 083
c15143 5'E 66 18'S 083
c18b114 4'E 65 29'S 083
c21b95 55'E 64 55'S 083
c2496 2'E 64 48'S 083
c28a2124 12'E 66 8'S 083
c28b42 49'E 66 50'S 083
d1581 57'E 66 48'S 083
d20b36 15'E 68 59'S 083
d2036 33'E 69 8'S 083
d21a46 55'E 66 23'S 083
d21b85 5'E 66 11'S 083
d2286 54'E 65 58'S 083
uk09380 44'E 66 39'S 083
uk316140 3'E 65 55'S 083
uk32257 0'W 67 6'S 060

*** 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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