Current Antarctic Iceberg Positions

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

* Last revised: 13:40:46 04/28/14

**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 56'W	75 50'S	116
a56	51 14'W	75 50'S	116
a57	47 58'W	77 37'S	116
a61	16 37'W	72 23'S	116
a63	44 50'W	76 34'S	116
b09b	142 52'E	66 38'S	116
b09c	54 14'E	65 36'S	116
b09d	36 28'E	68 19'S	116
b09f	72 31'E	66 22'S	116
b09g	81 9'E	65 44'S	116
b15r	34 43'W	75 30'S	116
b15t	57 11'E	65 51'S	116
b15x	57 14'W	71 46'S	116
b16	73 58'E	65 32'S	116
b17a	51 21'W	61 27'S	116
b22a	108 54'W	74 5'S	116
b28	110 0'W	74 49'S	116
b29	108 59'W	74 42'S	116
b30	121 3'W	71 39'S	116
b31	108 41'W	72 28'S	116
c15	146 7'E	67 11'S	116
c18b	114 1'E	65 29'S	116
c21b	96 26'E	64 47'S	116
c24	95 50'E	64 59'S	116
c28a2	124 9'E	66 6'S	116
c28a	86 59'E	59 37'S	116
c28b	73 59'E	68 24'S	116
d15	81 47'E	66 45'S	116
d20	36 43'E	69 10'S	116
d21	85 54'E	66 9'S	116
d22	87 3'E	65 57'S	116
uk093	80 53'E	66 33'S	116
uk315	92 26'E	65 46'S	116
uk316	139 58'E	65 56'S	116
uk321	52 16'W	61 4'S	116
uk322	57 12'W	72 55'S	116

*** 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)