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International Ice Charting Working
Group (IICWG)
Fourth MeetingFourth Meeting
AARI, St. Petersburg, AARI, St. Petersburg, April 7-11, 2003April 7-11, 2003
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IICWG-IV
Sea Ice off the Icelandic coasts
Thor Jakobsson, Ingibjorg Jonsdottir,Eirikur Sigurdsson, Sigthruður
Armannsdottir
The Icelandic Meteorological Office and the University of Iceland
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IICWG-IV» Part I
Historical and present day sea ice data
The Icelandic Sagas: 850 – 1300Medieval literature: 1300 - 1600 Annals: 1300 - 1850
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IICWG-IV
Diaries, - by farmers, clergy, public attornies
Descriptions,- in letters, books on Iceland, etc.
- Konungs skuggsjá, “The King´s Mirror”, written in the 13th century
- Bishop Oddur Einarsson(1559-1630)- Bishop Gisli Oddsson(1593-1638)- Bjarni Palsson(1719-1779)- Eggert Olafsson(1726-1768)- Bishop Hannes Finnsson(1739-1796)- Sveinn Palsson(1762-1840)
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IICWG-IV
Various official reports: 1850 – 1900
• Twentieth century:• Irregular observations and reports
during the first two decades.• Descriptions in journals and books
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IICWG-IVAnalysis of information and data:
Lauge Koch – Danish scholar and scientist
Thorvaldur Thoroddsen(1855-1921)- Icelandic pioneer geologist:
Description of climate and sea ice from time of settlement: - appr. 850 to 1915
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IICWG-IV
• Observations collected by the Icelandic Meteorological Office
Reported in monthly climate reports:
1924 - present
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IICWG-IV
• Annual reports in the glaciology journal Jökull, written by meteorologist
• JON EYTHORSSON: 1953 – 1966• (pioneer meteorologist; glaciology and • sea ice scientist) (in English)
• Hlynur Sigtryggsson: 1967• Flosi Hrafn Sigurðsson: 1968
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IICWG-IV
• The Icelandic Meteorological Office:• - annual reports:
• Eirikur Sigurdsson 1969 – 1971• (in Icelandic and English)
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IICWG-IV• Eirikur Sigurdsson and• Thor Jakobsson:
• Annual reports (English summary): 1972 – 1996
• • Forthcoming in the next couple of years:
» (1996 – 1999) and (1999 – 2001)
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Maximum sea ice extent in year 1968,
an extreme sea ice year,and in year 1987, a normal sea ice
year
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IICWG-IV• Computer data bank:
• - Sigthrudur Armannsdottir• - sea ice data period: 1988 –
present (appr. 15 years)
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IICWG-IV• Historical Sea Ice Studies:
– Sigurdur Thorarinsson– Magnus Mar Larusson– Thorhallur Vilmundarson– Astrid Ogilvie– Pall Bergthorsson– Ingibjorg Jonsdottir
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IICWG-IV
Part II Miscellaneous projects
a) Sea ice hazard off Icelandb) The Northern Sea Route
and Icelandc) Remote Sensing Studiesd) IWICOS
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IICWG-IV
– Iceland – and surroundings!
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