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

* Last revised: 08:57:24 12/17/14

**Operational users please note: This list cannot possibly contain all potentially hazardous icebergs in Antarctic waters -- Scatterometers such as OSCAT and ASCAT were designed for measuring ocean winds, not icebergs. Scatterometer data is useful for tracking icebergs, but is limited. ASCAT C-band scatterometer data has much less contrast between icebergs and open water and has less resolution than OSCAT Ku-band data. 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 Fridays. Positions reported here are extracted from near real-time OSCAT and/or 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 41'W 75 45'S 349
a5655 36'W 70 33'S 349
a5749 18'W 77 7'S 349
a6116 42'W 72 26'S 349
a6344 56'W 76 26'S 349
a6461 1'W 69 38'S 349
b09b142 46'E 66 39'S 349
b09c54 8'E 65 38'S 349
b09d29 41'E 69 2'S 349
b09f46 58'E 66 30'S 349
b09g50 20'E 66 3'S 349
b15aa51 27'E 65 58'S 349
b15ab51 44'E 65 56'S 349
b15r48 55'W 70 30'S 349
b15t40 45'E 67 45'S 349
b15x56 47'W 66 33'S 349
b15y56 48'W 64 6'S 349
b15z46 9'E 66 54'S 349
b1631 9'E 68 41'S 349
b17a36 36'W 54 55'S 349
b22a108 58'W 74 5'S 349
b28108 49'W 74 44'S 349
b29109 52'W 75 4'S 349
b30128 25'W 73 49'S 349
b31110 58'W 72 44'S 349
b32138 24'W 74 21'S 349
c15146 10'E 67 9'S 349
c18b113 54'E 65 33'S 349
c21b96 7'E 64 54'S 349
c2495 44'E 64 58'S 349
c28a2124 18'E 66 5'S 349
c28b50 20'E 66 3'S 349
d1581 39'E 66 6'S 349
d20b36 14'E 69 11'S 349
d2036 44'E 69 7'S 349
d21a61 20'E 66 46'S 349
d21b85 24'E 66 5'S 349
d2286 56'E 65 57'S 349
uk09380 54'E 66 35'S 349
uk31592 30'E 65 44'S 349
uk316140 5'E 65 54'S 349
uk32154 8'W 61 14'S 349
uk32257 30'W 67 40'S 349
uk323b 0'E  0'N
uk32346 16'W 55 36'S 342

*** 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.

Papers on QuikSCAT 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