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Current* Antarctic large iceberg positions derived from ASCAT**

* Last revised: 13:24:32 01/23/15

**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 022
a5655 19'W 69 16'S 022
a5749 16'W 77 14'S 022
a6116 23'W 72 17'S 022
a6344 46'W 76 24'S 022
a6461 1'W 69 38'S 022
b09b142 42'E 66 37'S 022
b09c54 7'E 65 37'S 022
b09d29 50'E 69 1'S 022
b09f42 18'E 67 31'S 022
b09g46 3'E 66 44'S 022
b15aa51 27'E 65 58'S 022
b15ab51 19'E 66 0'S 022
b15k59 28'W 66 32'S 022
b15r49 38'W 68 55'S 022
b15t35 8'E 68 6'S 022
b15x56 56'W 66 13'S 022
b15y56 19'W 64 2'S 022
b15z45 12'E 67 1'S 022
b1625 17'E 69 25'S 022
b17a35 44'W 55 2'S 022
b22a108 34'W 74 9'S 022
b28108 31'W 74 44'S 022
b29109 3'W 74 32'S 022
b30128 41'W 73 46'S 022
b31111 15'W 72 46'S 022
b32145 15'W 74 54'S 022
c15145 23'E 66 46'S 022
c18b113 57'E 65 32'S 022
c21b95 48'E 64 59'S 022
c2495 57'E 64 57'S 022
c28a2124 12'E 66 1'S 022
c28b44 34'E 67 6'S 022
d1581 50'E 66 41'S 022
d20b36 15'E 68 59'S 022
d2036 27'E 69 0'S 022
d21a50 39'E 65 42'S 022
d21b85 19'E 65 59'S 022
d2286 58'E 65 57'S 022
uk09380 51'E 66 37'S 022
uk316139 42'E 65 54'S 022
uk32138 21'W 55 1'S 309
uk32257 17'W 67 19'S 022

*** 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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