Research Article
Dec 1976
Arctic Refraction Study
Publication: Journal of the Surveying and Mapping Division
Volume 102, Issue 1
Abstract
Atmospheric refraction corrections applied to observed zenith angles have long been considered the largest source of error in polar astronomic observations. The use of radiosonde data offers the possibility of overcoming restrictions imposed by the polar environment and of establishing the reliability of existing refraction tables for use in the Arctic. Solar observations taken during a 2-week period from a camp on the northeast coast of Ellesmere Island, Canada, are used to establish the correlation between actual refraction and refraction calculated from radiosonde data. Analysis of data for a 6-week summer period shows the refraction to be both stable and in substantial agreement with the published tables of Garfinkel.
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Published In
Journal of the Surveying and Mapping Division
Volume 102 • Issue 1 • December 1976
Pages: 1 - 7
Copyright
© 1976 American Society of Civil Engineers.
History
Published in print: Dec 1976
Published online: Feb 12, 2021
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Authors
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Gerald W. Johnson, M.ASCE
Asst. Prof. of Civ. Engrg., Univ. of Minnesota, Minneapolis, Minn.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.