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

* Last revised: 15:46:35 08/13/14

**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****)
a23a42 5'W 75 54'S 222
a5652 37'W 74 10'S 222
a5749 26'W 77 15'S 222
a6116 49'W 72 28'S 222
a6344 45'W 76 26'S 222
a6460 47'W 69 43'S 222
b09b142 50'E 66 39'S 222
b09c54 12'E 65 37'S 222
b09d29 44'E 69 2'S 222
b09f51 16'E 65 25'S 222
b09g61 23'E 66 46'S 222
b15r37 15'W 73 50'S 222
b15t51 19'E 65 49'S 222
b15x56 34'W 70 4'S 222
b15y57 17'W 64 30'S 222
b1651 10'E 64 20'S 222
b17a52 3'W 59 29'S 222
b22a109 5'W 74 6'S 222
b28110 12'W 74 48'S 222
b29110 0'W 75 2'S 222
b30122 50'W 71 26'S 222
b31109 43'W 72 27'S 222
c15146 11'E 67 9'S 222
c18b114 2'E 65 28'S 222
c21b96 38'E 64 41'S 222
c2495 52'E 64 57'S 222
c28a2124 12'E 66 7'S 222
c28a87 51'E 58 57'S 222
c28b55 36'E 65 47'S 222
d1581 34'E 66 8'S 222
d2036 45'E 69 9'S 222
d2177 27'E 67 1'S 222
d2286 47'E 65 57'S 222
uk09380 44'E 66 37'S 222
uk31592 28'E 65 44'S 222
uk316139 59'E 65 53'S 222
uk32154 7'W 61 14'S 222
uk32256 57'W 71 22'S 222

*** 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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