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

* Last revised: 13:02:19 04/16/14

**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 37'W 75 45'S 098
a5650 23'W 76 7'S 098
a5748 1'W 77 33'S 098
a6116 39'W 72 21'S 098
a6344 49'W 76 32'S 098
b09b142 46'E 66 37'S 098
b09c54 15'E 65 35'S 098
b09d41 40'E 67 40'S 098
b09f74 42'E 66 26'S 098
b09g82 40'E 65 48'S 098
b15r34 14'W 75 26'S 098
b15t57 16'E 65 51'S 098
b15x57 38'W 72 2'S 098
b1676 0'E 65 58'S 098
b17a54 2'W 62 11'S 098
b22a108 56'W 74 5'S 098
b28109 32'W 74 49'S 098
b29109 1'W 74 44'S 098
b30120 12'W 71 35'S 098
b31108 9'W 72 23'S 098
c15146 12'E 67 11'S 098
c18b114 1'E 65 30'S 098
c21b95 59'E 64 56'S 098
c2495 55'E 64 58'S 098
c28a2124 13'E 66 5'S 098
c28a87 19'E 59 13'S 098
c28b75 44'E 68 19'S 098
d1581 48'E 66 53'S 098
d2036 36'E 69 7'S 098
d2185 51'E 66 8'S 098
d2286 58'E 66 0'S 098
uk09380 51'E 66 33'S 098
uk31592 29'E 65 43'S 098
uk316139 57'E 65 55'S 098
uk32152 25'W 61 51'S 098
uk32257 32'W 73 20'S 098

*** 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