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Current* Antarctic large iceberg positions derived from ASCAT**

* Last revised: 12:27:58 05/23/16

**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 3'W 75 50'S 143
a5626 51'W 50 38'S 143
a57a59 39'W 69 57'S 143
a57b59 53'W 68 59'S 143
a6136 24'W 71 1'S 143
a6345 46'W 76 22'S 143
a6461 5'W 69 45'S 143
a6651 9'W 60 17'S 143
a6734 54'W 76 22'S 143
b09b142 45'E 66 38'S 143
b09d39 28'W 72 26'S 143
b09f37 27'W 73 41'S 143
b09g41 41'E 68 1'S 143
b09h29 39'E 73 46'S 143
b09i135 25'E 65 1'S 143
b15aa48 27'E 65 19'S 143
b15ab51 19'E 66 0'S 143
b15k54 33'W 61 30'S 143
b15t37 27'W 73 40'S 143
b15x35 35'W 55 27'S 143
b15y54 7'W 61 15'S 143
b15z36 32'W 74 11'S 143
b1633 12'W 76 25'S 143
b22a108 45'W 74 5'S 143
b28109 2'W 74 40'S 143
b29109 1'W 74 45'S 143
b30146 15'W 74 45'S 143
b31113 46'W 71 36'S 143
b34174 18'W 71 30'S 143
b35105 42'W 74 19'S 143
b37108 43'W 74 34'S 143
b38155 24'W 77 4'S 143
b39143 32'E 66 54'S 143
b40135 27'E 65 1'S 143
c15143 7'E 66 23'S 143
c18b114 1'E 65 26'S 143
c21b95 51'E 64 56'S 143
c2495 50'E 64 59'S 143
c28b38 28'W 73 28'S 143
c29143 0'E 66 8'S 143
c3096 21'E 64 45'S 143
c3196 26'E 64 43'S 143
c32162 35'E 70 1'S 143
c33166 7'E 74 35'S 143
d15a81 52'E 66 41'S 143
d15b81 35'E 67 1'S 143
d20a36 44'E 69 6'S 143
d20b35 59'E 68 38'S 143
d21a32 16'W 73 32'S 143
d21b81 46'E 65 55'S 143
d2287 1'E 65 55'S 143
d2374 42'E 69 23'S 143
d2535 20'E 66 23'S 143
d2629 26'E 69 21'S 143
uk23513 50'E 69 34'S 143
uk324148 47'E 65 45'S 143
uk32513 44'E 69 41'S 143
uk32613 51'E 69 31'S 143

*** 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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