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Current* Antarctic large iceberg positions derived from ASCAT**

* Last revised: 15:58:19 01/17/17

**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 49'S 009
a57a59 7'W 66 25'S 009
a57b60 16'W 68 17'S 009
a6134 35'W 63 23'S 009
a6345 56'W 76 18'S 009
a6461 17'W 69 55'S 009
a6624 24'W 53 33'S 009
b09b142 32'E 66 36'S 009
b09d45 19'W 64 47'S 009
b09f47 33'W 68 16'S 009
b09g41 45'E 68 2'S 009
b09h41 58'E 68 5'S 009
b09i135 45'E 65 8'S 009
b15aa17 2'E 69 31'S 009
b15ab51 23'E 66 2'S 009
b15t48 40'W 69 30'S 009
b15z48 56'W 69 19'S 009
b1633 11'W 75 0'S 009
b22a109 8'W 74 4'S 009
b28108 45'W 74 49'S 009
b29109 4'W 74 38'S 009
b30154 36'W 73 35'S 009
b31114 18'W 70 45'S 009
b34176 49'E 67 17'S 009
b35109 36'W 72 6'S 009
b37108 47'W 74 25'S 009
b38155 12'W 77 9'S 009
b39134 35'E 65 7'S 009
b40132 34'E 65 40'S 009
b41107 3'W 72 46'S 009
c15143 17'E 66 23'S 009
c18b114 8'E 65 28'S 009
c21b96 18'E 64 58'S 009
c2496 4'E 64 59'S 009
c28b47 41'W 68 12'S 009
c29143 2'E 66 8'S 009
c3096 25'E 64 43'S 009
c3196 26'E 64 42'S 009
c32162 34'E 70 3'S 009
c33169 52'E 73 30'S 009
d15a81 51'E 66 27'S 009
d15b81 59'E 67 5'S 009
d20a36 17'E 68 58'S 009
d20b35 44'E 68 36'S 009
d21a42 48'W 67 43'S 009
d21b81 37'E 65 58'S 009
d2287 1'E 65 57'S 009
d2374 24'E 69 33'S 009
d2629 36'E 69 17'S 009
uk23512 55'E 69 51'S 009
uk324149 38'E 66 33'S 009
uk32515 32'E 69 41'S 009
uk32613 3'E 69 51'S 009

*** 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)