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Current* Antarctic large iceberg positions derived from ASCAT and OSCAT-2**

* Last revised: 17:38:24 12/08/17

**Operational users please note: This list cannot possibly contain all potentially hazardous icebergs in Antarctic waters -- Scatterometers such as ASCAT and OSCAT-2 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 and OSCAT-2 data in tandem. 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 5'W 75 47'S 341
a57a56 12'W 64 2'S 341
a57b60 11'W 65 32'S 341
a6120 15'W 55 32'S 341
a6346 36'W 76 17'S 341
a6460 36'W 69 28'S 341
a68a60 26'W 67 38'S 341
a68b60 8'W 67 2'S 341
b09b143 21'E 66 22'S 341
b09d28 11'W 55 8'S 341
b09f53 37'W 61 29'S 341
b09g41 42'E 67 58'S 341
b09i118 57'E 65 37'S 341
b15aa26 13'W 74 23'S 339
b15ab51 11'E 65 58'S 341
b15t52 15'W 60 25'S 341
b15z48 9'W 59 2'S 341
b1649 5'W 72 30'S 341
b22a108 36'W 74 3'S 341
b28106 24'W 75 5'S 341
b29106 31'W 74 54'S 341
b30155 25'W 68 37'S 341
b3193 19'W 64 4'S 341
b37104 22'W 74 13'S 341
b38151 12'W 77 48'S 341
b39133 22'E 66 3'S 341
b40132 21'E 65 36'S 341
b41119 9'W 73 8'S 341
B42108 9'W 73 44'S 341
c15143 15'E 66 16'S 341
c18b112 31'E 65 45'S 341
c21b92 2'E 64 31'S 341
c2496 6'E 64 50'S 341
c28b54 6'W 61 32'S 341
c29142 25'E 66 40'S 341
c3096 19'E 64 51'S 341
c3196 11'E 64 49'S 341
c32159 15'E 69 48'S 341
c33162 12'E 69 39'S 341
C34143 20'E 65 51'S 341
d15a83 43'E 65 22'S 341
d15b81 24'E 67 10'S 341
d20a35 26'E 69 13'S 341
d21a46 25'W 65 8'S 341
d21b77 28'E 66 2'S 341
d2286 54'E 65 54'S 341
d2374 21'E 69 21'S 341
d2629 3'E 69 14'S 341
uk23513 1'E 69 48'S 341
uk324148 44'E 66 55'S 341
uk32516 4'E 69 55'S 341
uk32612 48'E 69 42'S 341

*** 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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