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Current* Antarctic large iceberg positions derived from ASCAT**

* Last revised: 16:18:13 01/30/15

**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 48'W 75 45'S 029
a5655 0'W 69 4'S 029
a5749 19'W 77 20'S 029
a6116 19'W 72 22'S 029
a6344 55'W 76 23'S 029
a6461 1'W 69 38'S 029
b09b142 42'E 66 38'S 029
b09c54 14'E 65 39'S 029
b09d29 47'E 69 2'S 029
b09f41 33'E 67 39'S 029
b09g45 58'E 67 0'S 029
b15aa51 27'E 65 58'S 029
b15ab51 19'E 66 0'S 029
b15k59 52'W 67 1'S 029
b15r49 41'W 69 12'S 029
b15t33 37'E 67 58'S 029
b15x57 3'W 66 22'S 029
b15y56 31'W 64 1'S 029
b15z45 21'E 67 5'S 029
b1624 33'E 69 18'S 029
b17a35 44'W 55 2'S 022
b22a108 55'W 74 3'S 029
b28108 58'W 74 45'S 029
b29109 7'W 74 31'S 029
b30129 10'W 73 52'S 029
b31111 9'W 72 43'S 029
b32145 51'W 74 49'S 029
c15144 57'E 66 46'S 029
c18b113 56'E 65 31'S 029
c21b95 48'E 64 59'S 029
c2495 57'E 64 57'S 029
c28a2123 59'E 66 4'S 029
c28b43 53'E 66 54'S 029
d1581 51'E 66 51'S 029
d20b36 15'E 68 59'S 029
d2036 27'E 69 0'S 029
d21a49 59'E 65 55'S 029
d21b85 24'E 66 5'S 029
d2287 4'E 65 56'S 029
uk09380 50'E 66 37'S 029
uk316139 42'E 65 54'S 022
uk32257 24'W 67 32'S 029

*** 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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