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Current* Antarctic large iceberg positions derived from ASCAT**

* Last revised: 15:38:27 11/14/16

**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****)
a23a42 5'W 75 54'S 318
a57a58 3'W 66 50'S 318
a57b59 46'W 68 16'S 318
a6134 56'W 63 39'S 318
a6345 48'W 76 28'S 318
a6460 32'W 69 46'S 318
a6628 25'W 51 50'S 318
b09b142 40'E 66 36'S 318
b09d43 29'W 65 14'S 318
b09f44 8'W 68 30'S 318
b09g41 45'E 68 2'S 318
b09h36 58'E 69 18'S 318
b09i135 45'E 65 10'S 318
b15aa23 29'E 70 14'S 318
b15ab51 24'E 65 59'S 318
b15k35 30'W 49 25'S 318
b15t45 59'W 69 45'S 318
b15z46 12'W 70 6'S 318
b1637 25'W 75 44'S 318
b22a109 6'W 73 59'S 318
b28108 59'W 74 45'S 318
b29109 2'W 74 20'S 318
b30152 35'W 74 7'S 318
b31112 38'W 70 49'S 318
b34179 25'E 67 31'S 318
b35108 13'W 71 59'S 318
b37107 55'W 74 21'S 318
b38155 14'W 77 5'S 318
b39135 43'E 65 7'S 318
b40133 3'E 65 22'S 318
b41106 44'W 73 51'S 318
c15143 12'E 66 24'S 318
c18b114 13'E 65 23'S 318
c21b95 53'E 65 1'S 318
c2495 57'E 65 10'S 318
c28b44 40'W 68 36'S 318
c29143 1'E 66 7'S 318
c3096 26'E 64 40'S 318
c3196 41'E 64 37'S 318
c32162 26'E 70 2'S 318
c33169 51'E 73 30'S 318
d15a81 59'E 66 37'S 318
d15b81 56'E 67 10'S 318
d20a36 20'E 68 53'S 318
d20b35 49'E 68 31'S 318
d21a37 59'W 68 25'S 318
d21b81 39'E 65 57'S 318
d2286 58'E 65 54'S 318
d2374 38'E 69 30'S 318
d2629 17'E 69 27'S 318
uk23513 7'E 69 47'S 318
uk324149 2'E 66 11'S 318
uk32515 43'E 69 46'S 318
uk32613 0'E 69 48'S 318

*** 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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