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

* Last revised: 12:00:26 01/09/14

**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****)
a23a41 13'W 75 53'S 007
a5649 42'W 76 48'S 007
a5748 21'W 77 29'S 007
a6116 29'W 72 22'S 007
a6344 33'W 76 34'S 007
b09b142 58'E 66 38'S 007
b09c54 2'E 65 23'S 005
b09d55 25'E 65 42'S 364
b09f82 57'E 65 48'S 007
b09g95 6'E 63 34'S 004
b15b6 26'W 47 36'S 007
b15r33 17'W 75 39'S 007
b15t57 5'E 65 51'S 007
b15x57 37'W 74 3'S 007
b1684 31'E 66 4'S 007
b17a53 39'W 64 51'S 007
b22a108 33'W 74 5'S 007
b27134 26'W 56 1'S 007
b28109 25'W 74 46'S 007
b29109 3'W 74 44'S 007
b30119 17'W 71 31'S 007
b31104 21'W 74 22'S 007
c15146 41'E 67 18'S 007
c160 39'E 54 40'S 007
c18b114 8'E 65 23'S 363
c21b95 58'E 65 2'S 007
c2495 53'E 64 55'S 007
c28a2123 48'E 65 49'S 007
c28a86 29'E 56 46'S 007
c28b76 26'E 67 28'S 007
d1581 56'E 66 55'S 007
d2036 26'E 69 10'S 007
d2185 32'E 66 15'S 007
d2286 54'E 65 55'S 007
uk052103 2'E 65 12'S 364
uk09380 49'E 66 36'S 361
uk31592 32'E 65 44'S 007
uk316142 24'E 66 3'S 007
uk32152 5'W 63 49'S 007
uk32255 40'W 75 21'S 007

*** 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)