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

* Last revised: 12:30:06 09/15/14

**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 59'W 75 53'S 254
a5651 43'W 73 21'S 254
a5749 31'W 77 10'S 254
a6116 49'W 72 28'S 254
a6344 55'W 76 28'S 254
a6460 57'W 69 44'S 254
b09b142 51'E 66 38'S 254
b09c54 13'E 65 37'S 254
b09d29 39'E 69 3'S 254
b09f49 46'E 66 1'S 254
b09g56 40'E 65 49'S 254
b15r38 3'W 72 14'S 254
b15t51 14'E 65 52'S 254
b15x56 23'W 69 35'S 254
b15y57 16'W 64 29'S 254
b1647 58'E 65 3'S 254
b17a48 55'W 58 21'S 254
b22a109 2'W 74 3'S 254
b28110 22'W 74 49'S 254
b29109 55'W 75 2'S 254
b30123 54'W 71 59'S 254
b31109 12'W 72 39'S 254
c15146 5'E 67 10'S 254
c18b114 4'E 65 28'S 254
c21b96 42'E 64 41'S 254
c2495 50'E 64 57'S 254
c28a2124 12'E 66 7'S 254
c28b55 2'E 65 35'S 254
d1581 39'E 66 8'S 254
d2036 51'E 69 10'S 254
d2176 32'E 67 10'S 254
d2286 54'E 66 0'S 254
uk09380 49'E 66 36'S 254
uk31592 25'E 65 45'S 254
uk316140 1'E 65 55'S 254
uk32154 10'W 61 13'S 254
uk32256 37'W 70 52'S 254

*** 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