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Current* Antarctic large iceberg positions derived from ASCAT**

* Last revised: 11:26:42 02/09/16

**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 9'W 75 49'S 038
a5631 37'W 56 48'S 038
a57a58 37'W 71 33'S 038
a57b60 15'W 69 58'S 038
a6116 40'W 72 20'S 038
a6345 25'W 76 21'S 038
a6461 3'W 69 44'S 038
a6534 38'W 52 20'S 038
a6655 17'W 63 48'S 038
a6726 55'W 76 0'S 038
b09b142 29'E 66 34'S 038
b09d31 58'W 74 13'S 038
b09f29 2'W 74 31'S 038
b09g41 27'E 67 55'S 038
b09h13 58'E 69 24'S 038
b09i139 4'E 65 3'S 038
b15aa49 36'E 65 12'S 038
b15ab51 19'E 65 55'S 038
b15k56 12'W 64 9'S 038
b15r20 4'W 60 36'S 038
b15t28 51'W 74 24'S 038
b15x37 16'W 54 54'S 038
b15y52 43'W 63 50'S 039
b15z26 39'W 74 7'S 039
b1630 11'W 75 32'S 039
b22a108 58'W 74 6'S 039
b28108 58'W 74 44'S 039
b29108 59'W 74 36'S 039
b30135 2'W 73 55'S 039
b31110 31'W 71 36'S 039
b34163 3'W 74 56'S 039
b35105 13'W 74 21'S 039
b37108 33'W 74 36'S 039
b38155 19'W 77 1'S 039
b39148 10'E 66 33'S 039
b40146 19'E 65 44'S 039
c15143 8'E 66 12'S 039
c18b114 4'E 65 26'S 039
c21b95 55'E 64 58'S 039
c2496 3'E 64 49'S 039
c28b29 51'W 74 24'S 039
c29142 58'E 66 9'S 039
c3096 22'E 64 48'S 039
c3196 43'E 64 42'S 039
c32162 30'E 70 2'S 039
d15a81 55'E 66 42'S 039
d15b81 37'E 67 0'S 039
d20a36 27'E 69 9'S 039
d20b36 19'E 69 0'S 039
d21a8 17'W 70 20'S 039
d21b81 39'E 66 9'S 039
d2286 55'E 65 55'S 039
d2374 37'E 69 25'S 039
d2457 43'E 66 9'S 039
d2537 57'E 69 19'S 039
uk23513 46'E 69 34'S 039
uk324148 33'E 65 41'S 039
uk32513 46'E 69 40'S 039
uk32614 7'E 69 26'S 039

*** 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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