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Current* Antarctic large iceberg positions derived from ASCAT**

* Last revised: 11:17:10 05/08/17

**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****)
a23a40 56'W 75 51'S 127
a57a59 17'W 65 27'S 127
a57b59 28'W 68 3'S 127
a6131 1'W 62 42'S 127
a6346 25'W 76 18'S 127
a6461 17'W 69 42'S 127
b09b142 38'E 66 37'S 127
b09d39 19'W 63 4'S 127
b09f52 7'W 65 2'S 127
b09g41 46'E 68 2'S 127
b09h46 55'E 65 19'S 127
b09i135 23'E 65 4'S 127
b15aa16 5'E 72 31'S 127
b15ab51 16'E 65 58'S 127
b15t52 29'W 66 9'S 127
b15z51 57'W 65 57'S 127
b1635 1'W 73 38'S 127
b22a108 52'W 74 8'S 127
b28108 39'W 74 50'S 127
b29109 4'W 74 38'S 127
b30158 23'W 73 42'S 127
b31115 29'W 70 40'S 127
b35112 41'W 71 25'S 127
b37108 36'W 74 23'S 127
b38155 16'W 77 4'S 127
b39134 35'E 65 7'S 127
b40132 25'E 65 39'S 127
b41114 18'W 72 25'S 127
c15143 8'E 66 13'S 127
c18b114 1'E 65 27'S 127
c21b95 58'E 64 52'S 127
c2496 6'E 64 53'S 127
c28b51 52'W 65 23'S 127
c29143 4'E 66 2'S 127
c3096 15'E 64 45'S 127
c3195 59'E 64 52'S 127
c32160 27'E 69 18'S 127
c33162 12'E 69 41'S 127
d15a81 36'E 66 35'S 127
d15b81 57'E 67 12'S 127
d20a36 14'E 68 56'S 127
d20b35 46'E 68 28'S 127
d21a47 22'W 65 0'S 127
d21b75 30'E 65 39'S 127
d2286 58'E 65 55'S 127
d2374 43'E 69 28'S 127
d2629 41'E 69 20'S 127
uk23513 17'E 69 48'S 127
uk324149 44'E 66 46'S 127
uk32516 22'E 69 51'S 127
uk32613 12'E 69 51'S 127

*** 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)