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

* Last revised: 09:08:46 04/08/14

**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 24'W 75 50'S 095
a5650 32'W 76 7'S 095
a5748 22'W 77 31'S 095
a6116 38'W 72 22'S 095
a6344 56'W 76 31'S 095
b09b142 49'E 66 40'S 095
b09c54 17'E 65 35'S 095
b09d43 23'E 67 22'S 095
b09f74 56'E 66 27'S 095
b09g83 13'E 65 51'S 095
b15r34 22'W 75 35'S 095
b15t57 9'E 65 55'S 095
b15x57 46'W 72 2'S 095
b1676 36'E 66 1'S 095
b17a53 48'W 62 17'S 095
b22a108 54'W 74 8'S 095
b28109 32'W 74 48'S 095
b29109 1'W 74 44'S 095
b30120 15'W 71 28'S 095
b31108 1'W 72 20'S 095
c15146 12'E 67 11'S 095
c18b114 1'E 65 30'S 095
c21b96 7'E 65 0'S 095
c2495 52'E 64 56'S 095
c28a2124 13'E 66 5'S 095
c28a88 18'E 58 32'S 083
c28b76 1'E 68 16'S 095
d1581 48'E 66 53'S 095
d2036 36'E 69 7'S 095
d2185 49'E 66 10'S 095
d2287 4'E 65 59'S 095
uk09380 49'E 66 36'S 095
uk31592 31'E 65 43'S 095
uk316139 57'E 65 55'S 095
uk32152 25'W 61 51'S 095
uk32257 42'W 73 24'S 095

*** 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)