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Current* Antarctic large iceberg positions derived from ASCAT**

* Last revised: 12:42:08 10/19/16

**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 10'W 75 59'S 290
a57a58 29'W 67 16'S 290
a57b59 52'W 68 24'S 290
a6136 0'W 64 10'S 290
a6345 48'W 76 24'S 290
a6460 47'W 69 51'S 290
a6630 11'W 52 13'S 290
b09b142 36'E 66 36'S 290
b09d43 51'W 66 1'S 290
b09f45 6'W 68 46'S 290
b09g41 48'E 68 0'S 290
b09h38 51'E 70 21'S 290
b09i135 45'E 65 7'S 290
b15aa26 41'E 69 45'S 290
b15ab51 23'E 65 59'S 290
b15k41 59'W 50 52'S 290
b15t46 24'W 69 39'S 290
b15z46 0'W 69 47'S 290
b1636 53'W 75 19'S 290
b22a109 1'W 74 9'S 290
b28108 35'W 74 44'S 290
b29109 13'W 74 34'S 290
b30153 54'W 75 4'S 290
b31113 13'W 71 34'S 290
b34178 45'E 67 30'S 290
b35108 3'W 72 44'S 290
b37108 53'W 74 33'S 290
b38155 25'W 77 5'S 290
b39135 44'E 65 6'S 290
b40132 28'E 65 32'S 290
b41104 6'W 74 22'S 290
c15143 12'E 66 21'S 290
c18b114 9'E 65 24'S 290
c21b95 46'E 64 56'S 290
c2496 40'E 64 39'S 290
c28b44 24'W 68 40'S 290
c29143 2'E 66 3'S 290
c3096 53'E 64 38'S 290
c3197 3'E 64 38'S 290
c32162 26'E 70 1'S 290
c33169 53'E 73 31'S 290
d15a81 57'E 66 44'S 290
d15b81 45'E 67 17'S 290
d20a36 29'E 69 4'S 290
d20b35 42'E 68 32'S 290
d21a37 42'W 68 20'S 290
d21b81 33'E 66 6'S 290
d2286 58'E 65 56'S 290
d2374 36'E 69 25'S 290
d2629 16'E 69 28'S 290
uk23513 56'E 69 36'S 290
uk324149 34'E 66 9'S 290
uk32515 43'E 69 45'S 290
uk32613 13'E 69 46'S 290

*** 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