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Current* Antarctic large iceberg positions derived from ASCAT and OSCAT-2**

* Last revised: 15:59:54 09/14/17

**Operational users please note: This list cannot possibly contain all potentially hazardous icebergs in Antarctic waters -- Scatterometers such as ASCAT and OSCAT-2 were designed for measuring ocean winds, not icebergs. Scatterometer data is useful for tracking icebergs, but is limited. During the Austral summer contrast between ocean and melting icebergs is reduced, which can result in gaps in visibility. 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 possibly Fridays. Positions reported here are extracted from near real-time ASCAT and OSCAT-2 data in tandem. 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 3'W 75 47'S 256
a57a58 26'W 65 16'S 256
a57b59 33'W 66 56'S 256
a6121 43'W 57 26'S 256
a6346 29'W 76 15'S 256
a6461 13'W 69 40'S 256
a6860 43'W 67 45'S 256
b09b143 11'E 66 33'S 256
b09d30 27'W 58 28'S 256
b09f54 59'W 61 45'S 256
b09g41 42'E 67 58'S 256
b09h35 57'E 59 25'S 256
b09i120 51'E 65 35'S 256
b15aa16 16'E 72 7'S 256
b15ab51 16'E 65 58'S 256
b15t53 48'W 61 39'S 256
b15z50 2'W 59 56'S 256
b1644 51'W 73 27'S 256
b22a108 55'W 74 9'S 256
b28108 39'W 74 50'S 256
b29109 25'W 74 39'S 256
b30158 32'W 70 22'S 256
b31108 23'W 68 16'S 256
b37108 36'W 74 23'S 256
b38155 16'W 77 4'S 256
b39134 28'E 65 5'S 256
b40132 20'E 65 37'S 256
b41118 35'W 72 58'S 256
B42107 2'W 74 0'S 256
c15143 2'E 66 7'S 256
c18b114 7'E 65 25'S 256
c21b96 5'E 64 52'S 256
c2495 53'E 64 55'S 256
c28b54 22'W 61 36'S 256
c29143 7'E 66 20'S 256
c3096 14'E 64 48'S 256
c3196 45'E 64 41'S 256
c32160 2'E 69 17'S 256
c33162 13'E 69 38'S 256
C34143 6'E 65 53'S 256
d15a81 30'E 66 32'S 256
d15b81 57'E 67 12'S 256
d20a36 14'E 68 56'S 256
d21a46 52'W 65 19'S 256
d21b77 4'E 66 13'S 256
d2286 59'E 65 56'S 256
d2374 21'E 69 21'S 256
d2629 38'E 69 20'S 256
uk23513 14'E 69 47'S 256
uk324149 49'E 66 44'S 256
uk32516 25'E 69 52'S 256
uk32613 10'E 69 51'S 256

*** 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.

Selected papers on scatterometer 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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