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Current* Antarctic large iceberg positions derived from ASCAT**

* Last revised: 12:22:24 08/22/16

**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 4'W 75 52'S 234
a57a59 39'W 67 52'S 234
a57b60 1'W 68 59'S 234
a6138 31'W 67 17'S 234
a6345 50'W 76 25'S 234
a6460 0'W 69 43'S 234
a6637 6'W 55 39'S 234
b09b142 38'E 66 35'S 234
b09d44 22'W 69 0'S 234
b09f45 1'W 70 21'S 234
b09g41 42'E 68 0'S 234
b09h39 58'E 70 58'S 234
b09i135 27'E 65 4'S 234
b15aa35 5'E 68 15'S 234
b15ab51 21'E 65 57'S 234
b15k41 50'W 54 11'S 234
b15t45 2'W 71 17'S 234
b15z45 2'W 71 42'S 234
b1635 34'W 76 17'S 234
b22a108 49'W 74 4'S 234
b28108 50'W 74 44'S 234
b29109 10'W 74 32'S 234
b30151 17'W 74 56'S 234
b31115 10'W 71 38'S 234
b34178 20'E 68 12'S 234
b35107 44'W 73 36'S 234
b37108 37'W 74 33'S 234
b38155 26'W 77 3'S 234
b39135 30'E 65 4'S 234
b40132 24'E 65 36'S 234
c15143 8'E 66 27'S 234
c18b114 3'E 65 25'S 234
c21b95 52'E 64 57'S 234
c2496 2'E 64 51'S 234
c28b44 53'W 70 23'S 234
c29143 3'E 66 7'S 234
c3096 28'E 64 41'S 234
c3196 46'E 64 39'S 234
c32162 29'E 70 3'S 234
c33168 16'E 74 10'S 234
d15a81 55'E 66 43'S 234
d15b81 33'E 66 58'S 234
d20a36 20'E 68 56'S 234
d20b35 47'E 68 42'S 234
d21a39 0'W 70 42'S 234
d21b81 38'E 66 0'S 234
d2286 57'E 65 56'S 234
d2374 38'E 69 25'S 234
d2629 22'E 69 27'S 234
uk23514 13'E 69 37'S 234
uk324149 32'E 66 6'S 234
uk32514 48'E 69 30'S 234
uk32613 59'E 69 35'S 234

*** 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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