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Current* Antarctic large iceberg positions derived from ASCAT**

* Last revised: 13:34:21 02/08/10

**Operational users please note: This list cannot possibly contain all potentially hazardous icebergs in Antarctic waters -- ASCAT was designed for measuring ocean winds, not icebergs. ASCAT data is useful for tracking icebergs, but is limited. C-band scatterometer data has much less contrast between icebergs and open water and has less resolution than 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 Webpage 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 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, 2010****)
A23a 41 29'W 76 0'S 038
A27 41 48'W 75 21'S 038
A43d 59 44'W 71 12'S 031
B09b147 56'E 67 16'S 035
B15b 57 6'E 65 52'S 038
B15f 12 27'W 69 24'S 038
B15g 48 42'E 66 11'S 038
B15j131 50'E 62 0'S 031
B15k 5 52'W 69 38'S 035
B15r 46 45'E 67 2'S 032
B15s124 14'E 64 44'S 023
B15t 47 57'E 66 49'S 037
B16125 40'E 65 48'S 038
B17a 96 57'E 64 11'S 037
B21a111 46'W 72 40'S 038
B22a108 30'W 74 14'S 038
B27109 49'W 73 12'S 033
C14a146 51'E 67 18'S 038
C15146 48'E 67 37'S 038
C16 83 51'E 66 0'S 038
C18b116 10'E 65 33'S 035
C19c 26 36'W 73 47'S 038
C24 96 28'E 64 40'S 004
D14 75 6'E 69 26'S 007
D15 81 38'E 66 53'S 021
uk145 58 11'E 66 27'S 034
uk157 49 31'W 72 47'S 038
uk164115 11'E 65 49'S 017
uk172149 52'E 66 53'S 035
uk174113 52'E 65 31'S 021
uk192129 3'E 65 51'S 012
uk193110 36'W 73 1'S 038
uk249 72 49'E 68 25'S 038
uk251109 27'E 66 3'S 038
uk272113 17'W 72 21'S 034
uk276 60 58'W 65 20'S 015
uk290 58 51'W 68 54'S 038
uk291120 6'W 72 53'S 038
uk292 47 9'W 75 1'S 019
uk295 55 35'E 65 40'S 038
uk296 35 30'E 68 22'S 031
uk297152 14'E 65 19'S 024
uk52103 10'E 65 15'S 032
uk64116 22'E 64 36'S 028
uk93 81 18'E 66 34'S 037

*** 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.

Paper (620 kB pdf) on QuikSCAT Iceberg tracking. (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)