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Current* Antarctic large iceberg positions derived from OSCAT and ASCAT**

* Last revised: 12:45:16 11/21/14

**Operational users please note: This list cannot possibly contain all potentially hazardous icebergs in Antarctic waters -- Scatterometers such as OSCAT and ASCAT were designed for measuring ocean winds, not icebergs. Scatterometer data is useful for tracking icebergs, but is limited. ASCAT C-band scatterometer data has much less contrast between icebergs and open water and has less resolution than OSCAT Ku-band data. 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 Fridays. Positions reported here are extracted from near real-time OSCAT and/or 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 323
a5653 22'W 71 57'S 323
a5749 25'W 77 5'S 323
a6116 42'W 72 26'S 323
a6345 3'W 76 28'S 323
a6461 1'W 69 38'S 323
b09b142 46'E 66 39'S 323
b09c54 8'E 65 38'S 323
b09d29 41'E 69 2'S 323
b09f49 37'E 66 13'S 323
b09g52 27'E 65 26'S 323
b15aa51 27'E 65 58'S 323
b15ab51 33'E 65 51'S 323
b15r46 33'W 71 16'S 323
b15t44 40'E 67 10'S 323
b15x57 1'W 67 5'S 323
b15y57 18'W 64 27'S 323
b15z49 2'E 66 22'S 323
b1634 20'E 68 16'S 323
b17a36 45'W 54 22'S 323
b22a108 58'W 74 5'S 323
b28108 49'W 74 44'S 323
b29109 52'W 75 4'S 323
b30128 43'W 73 30'S 323
b31110 17'W 72 38'S 323
c15146 10'E 67 9'S 323
c18b114 3'E 65 28'S 323
c21b96 42'E 64 41'S 323
c2495 44'E 64 58'S 323
c28a2124 18'E 66 5'S 323
c28b52 29'E 65 28'S 323
d1581 38'E 66 6'S 323
d2036 44'E 69 7'S 323
d21a66 17'E 66 51'S 323
d21b85 24'E 66 5'S 323
d2286 54'E 66 0'S 323
uk09380 54'E 66 35'S 323
uk31592 31'E 65 44'S 323
uk316140 3'E 65 53'S 323
uk32154 11'W 61 14'S 323
uk32257 32'W 68 27'S 323
uk32344 49'W 56 30'S 323

*** 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.

Papers on QuikSCAT 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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