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A sensitivity analysis of steady, free floating ice
SMHI, Research Department, Oceanography.ORCID iD: 0000-0002-4971-9441
1980 (English)Report (Other academic)
Abstract [sv]

Ekvationen för stationär, friflytande is härleds och analyseras för ett grunt hav. Analysen behandlar hur noggrant den stationära, friflytande isens rörelse kan beräknas då variationer införs i ingångsparametrarna. Förutom fel på grund av icke perfekta vindar, orsakar områden med starka strömmar dålig noggrannhet. Om dessutom bottendjupet försummas i dessa områden blir noggrannheten sämre. Varierande isskrovlighet och varierande friktionshastighet medför fel som är mindre viktiga men ändock märkbara i den beräknade ishastigheten.

Abstract [en]

The equation for steady, free floating ice is derived and analysed for a shallow sea. The analysis treats how accurate the free ice drift can be computed when variations in the ingoing parameters are introduced. Besides errors due to  unperfect winds, areas with large currents cause bad accuracy. If further more the bottom depth is neglected in these areas the accuracy become worse. Variable ice roughness and variable friction velocity introduce errors which are less important but still noticable in the computed ice drift.

Place, publisher, year, edition, pages
SMHI , 1980. , p. 31
Series
RMK: Report Meteorology and Climatology, ISSN 0347-2116 ; 19
Keywords [sv]
oceanografi, modeller
National Category
Climate Research Meteorology and Atmospheric Sciences
Research subject
Climate; Meteorology
Identifiers
URN: urn:nbn:se:smhi:diva-2732Local ID: Meteorologi, Rapporter, Serie RMKOAI: oai:DiVA.org:smhi-2732DiVA, id: diva2:948028
Available from: 1980-09-18 Created: 2016-07-08 Last updated: 2019-08-23Bibliographically approved

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Omstedt, Anders

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
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  • vancouver
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More styles
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  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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