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

* Last revised: 12:33:15 06/23/14

**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 39'W 75 43'S 159
a5651 57'W 75 11'S 159
a5748 57'W 77 25'S 159
a6116 46'W 72 27'S 159
a6344 42'W 76 25'S 159
b09b142 50'E 66 39'S 159
b09c54 11'E 65 36'S 159
b09d29 46'E 69 2'S 159
b09f62 0'E 66 37'S 159
b09g74 58'E 67 31'S 159
b15r35 14'W 74 44'S 159
b15t52 14'E 65 32'S 159
b15x56 44'W 71 21'S 159
b1665 52'E 65 28'S 159
b17a50 39'W 60 58'S 159
b22a109 5'W 74 6'S 159
b28110 7'W 74 48'S 159
b29108 59'W 74 42'S 159
b30123 37'W 71 40'S 159
b31109 7'W 72 37'S 159
c15146 5'E 67 11'S 159
c18b114 5'E 65 27'S 159
c21b96 38'E 64 41'S 159
c2495 52'E 64 57'S 159
c28a2124 12'E 66 7'S 159
c28a85 25'E 60 15'S 159
c28b68 46'E 66 50'S 159
d1581 53'E 66 46'S 159
d2036 45'E 69 9'S 159
d2185 39'E 66 1'S 159
d2287 0'E 66 0'S 159
uk09380 49'E 66 36'S 159
uk31592 30'E 65 45'S 159
uk316140 2'E 65 54'S 159
uk32154 7'W 61 14'S 159
uk32257 16'W 72 17'S 159

*** 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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