Current Antarctic Iceberg Positions

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

* Last revised: 17:16:00 05/05/14

**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****)
a23a	41 47'W	75 49'S	123
a56	51 35'W	75 56'S	123
a57	48 11'W	77 35'S	123
a61	16 37'W	72 23'S	123
a63	44 53'W	76 33'S	123
b09b	142 50'E	66 37'S	123
b09c	54 17'E	65 36'S	123
b09d	34 16'E	68 13'S	123
b09f	70 56'E	66 21'S	123
b09g	80 4'E	66 3'S	123
b15r	34 51'W	75 26'S	123
b15t	57 11'E	65 51'S	123
b15x	57 21'W	71 52'S	123
b16	72 18'E	65 20'S	123
b17a	50 13'W	61 9'S	123
b22a	108 54'W	74 5'S	123
b28	110 7'W	74 48'S	123
b29	108 59'W	74 42'S	123
b30	121 23'W	71 27'S	123
b31	108 35'W	72 26'S	123
c15	146 7'E	67 11'S	123
c18b	114 2'E	65 28'S	123
c21b	96 29'E	64 44'S	123
c24	95 53'E	64 58'S	123
c28a2	124 12'E	66 7'S	123
c28a	86 59'E	59 37'S	123
c28b	72 45'E	68 9'S	123
d15	81 47'E	66 45'S	123
d20	36 42'E	69 9'S	123
d21	85 40'E	66 7'S	123
d22	86 58'E	66 0'S	123
uk093	80 50'E	66 33'S	123
uk315	92 24'E	65 44'S	123
uk316	140 5'E	65 55'S	123
uk321	53 25'W	61 18'S	123
uk322	57 16'W	73 0'S	123

*** 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)