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Current* Antarctic large iceberg positions derived from ASCAT**

* Last revised: 07:38:56 07/15/16

**Operational users please note: This list cannot possibly contain all potentially hazardous icebergs in Antarctic waters -- Scatterometers such as ASCAT 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 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 10'W 75 50'S 193
a5625 54'W 49 48'S 193
a57a58 39'W 69 27'S 193
a57b59 40'W 69 0'S 193
a6137 32'W 69 12'S 193
a6345 47'W 76 25'S 193
a6461 31'W 69 27'S 193
a6646 18'W 58 49'S 193
b09b142 51'E 66 40'S 193
b09d41 39'W 70 39'S 193
b09f41 56'W 71 40'S 193
b09g41 41'E 68 1'S 193
b09h33 35'E 72 1'S 193
b09i135 28'E 65 2'S 193
b15aa39 45'E 68 1'S 193
b15ab51 14'E 65 57'S 193
b15k54 6'W 61 13'S 193
b15t41 4'W 72 43'S 193
b15y42 56'W 54 13'S 193
b15z41 7'W 73 5'S 193
b1633 49'W 76 16'S 193
b22a109 3'W 74 3'S 193
b28109 2'W 74 40'S 193
b29109 1'W 74 45'S 193
b30146 52'W 74 30'S 193
b31115 0'W 71 25'S 193
b34177 59'W 69 40'S 193
b35105 36'W 74 25'S 193
b37108 50'W 74 36'S 193
b38155 24'W 77 4'S 193
b39143 32'E 66 54'S 193
b40135 32'E 65 4'S 193
c15143 7'E 66 26'S 193
c18b114 1'E 65 26'S 193
c21b95 51'E 64 56'S 193
c2495 50'E 64 59'S 193
c28b41 40'W 71 51'S 193
c29143 0'E 66 8'S 193
c3096 21'E 64 45'S 193
c3196 26'E 64 43'S 193
c32162 35'E 70 1'S 193
c33167 40'E 74 14'S 193
d15a81 52'E 66 41'S 193
d15b81 36'E 67 1'S 193
d20a36 44'E 69 6'S 193
d20b35 55'E 68 33'S 193
d21a36 42'W 71 50'S 193
d21b81 41'E 65 57'S 193
d2287 1'E 65 55'S 193
d2374 38'E 69 24'S 193
d2532 58'E 66 59'S 193
d2629 26'E 69 21'S 193
uk23513 45'E 69 34'S 193
uk324149 6'E 66 11'S 193
uk32513 42'E 69 40'S 193
uk32613 51'E 69 31'S 193

*** 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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