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Current* Antarctic large iceberg positions derived from ASCAT**

* Last revised: 13:19:59 01/23/17

**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 3'W 75 50'S 018
a57a59 46'W 66 7'S 018
a57b60 16'W 68 17'S 018
a6134 19'W 63 23'S 018
a6346 11'W 76 17'S 018
a6461 17'W 69 56'S 018
b09b142 28'E 66 33'S 018
b09d45 17'W 64 49'S 018
b09f48 25'W 68 18'S 018
b09g41 41'E 68 0'S 018
b09h43 4'E 67 58'S 018
b09i135 45'E 65 8'S 018
b15aa13 15'E 69 22'S 018
b15ab51 21'E 66 1'S 018
b15t49 5'W 69 30'S 018
b15z49 27'W 69 18'S 018
b1632 5'W 75 2'S 018
b22a109 8'W 74 4'S 018
b28108 45'W 74 49'S 018
b29109 4'W 74 38'S 018
b30154 44'W 73 37'S 018
b31114 26'W 70 49'S 018
b35109 36'W 72 6'S 018
b37108 32'W 74 22'S 018
b38155 12'W 77 9'S 018
b39134 35'E 65 7'S 018
b40132 34'E 65 40'S 018
b41106 55'W 72 46'S 018
c15143 24'E 66 22'S 018
c18b114 8'E 65 28'S 018
c21b96 18'E 64 58'S 018
c2496 4'E 64 59'S 018
c28b48 27'W 68 10'S 018
c29143 2'E 66 8'S 018
c3096 25'E 64 43'S 018
c3196 26'E 64 42'S 018
c32162 34'E 70 3'S 018
c33168 26'E 73 32'S 018
d15a81 54'E 66 27'S 018
d15b81 59'E 67 5'S 018
d20a36 17'E 68 58'S 018
d20b35 44'E 68 36'S 018
d21a42 55'W 67 44'S 018
d21b81 37'E 65 58'S 018
d2287 1'E 65 57'S 018
d2374 24'E 69 33'S 018
d2629 49'E 69 28'S 018
uk23512 55'E 69 51'S 018
uk324149 38'E 66 33'S 018
uk32515 32'E 69 41'S 018
uk32613 3'E 69 51'S 018

*** 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)