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Current* Antarctic large iceberg positions derived from ASCAT**

* Last revised: 15:33:05 06/10/16

**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****)
a23a41 10'W 75 50'S 161
a5625 45'W 49 54'S 161
a57a59 39'W 69 57'S 161
a57b59 40'W 69 0'S 161
a6136 1'W 69 59'S 161
a6345 18'W 76 19'S 161
a6461 31'W 69 27'S 161
a6649 46'W 59 40'S 161
b09b142 45'E 66 38'S 161
b09d40 5'W 71 31'S 161
b09f39 35'W 72 42'S 161
b09g41 41'E 68 1'S 161
b09h29 39'E 73 46'S 161
b09i135 28'E 65 2'S 161
b15aa46 22'E 66 48'S 161
b15ab51 14'E 65 57'S 161
b15k54 5'W 61 14'S 161
b15t39 23'W 73 2'S 161
b15x35 35'W 55 27'S 161
b15y54 7'W 61 15'S 161
b15z39 0'W 73 25'S 161
b1632 14'W 75 38'S 161
b22a109 3'W 74 3'S 161
b28109 2'W 74 40'S 161
b29109 1'W 74 45'S 161
b30146 35'W 74 38'S 161
b31113 13'W 71 45'S 161
b34175 19'W 70 34'S 161
b35105 36'W 74 25'S 161
b37108 50'W 74 36'S 161
b38155 24'W 77 4'S 161
b39143 32'E 66 54'S 161
b40135 32'E 65 4'S 161
c15143 7'E 66 26'S 161
c18b114 1'E 65 26'S 161
c21b95 51'E 64 56'S 161
c2495 50'E 64 59'S 161
c28b40 23'W 72 26'S 161
c29143 0'E 66 8'S 161
c3096 21'E 64 45'S 161
c3196 26'E 64 43'S 161
c32162 35'E 70 1'S 161
c33167 21'E 74 18'S 161
d15a81 52'E 66 41'S 161
d15b81 36'E 67 1'S 161
d20a36 44'E 69 6'S 161
d20b35 55'E 68 33'S 161
d21a33 44'W 72 28'S 161
d21b81 42'E 65 56'S 161
d2287 1'E 65 55'S 161
d2374 38'E 69 24'S 161
d2536 26'E 66 29'S 161
d2629 26'E 69 21'S 161
uk23513 45'E 69 34'S 161
uk324148 24'E 66 7'S 161
uk32513 42'E 69 40'S 161
uk32613 51'E 69 31'S 161

*** 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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