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A definition for vector correlation and its application to marine surface winds
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1990
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[PDF-1.53 MB]
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Description:"The search for a vector correlation coefficient was motivated by a requirement to verify various forecast schemes for ocean surface winds. The most common method used to correlate vector quantities (i.e. winds, wind stress, or currents) has been to apply standard linear correlation techniques to the scalar components of a vector, i.e. its magnitude and direction or its orthogonal u and v components (e.g.,Charles, 1959; Buell, 1971). However, the most common measures of correlation do not incorporate relationships of both speed and direction (or u and v) simultaneously. A vector is represented by both a magnitude and direction, and thus can not be used in the standard definition of linear correlation. In fact, because wind direction is a circular function, the standard definition of linear correlation for direction only can not be used"--Introduction, paragraph 1.
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Content Notes:Crosby, D.S., Breaker, L.C. and W.H. Gemmill.
"June 1990."
"This is an unreviewed manuscript, primarily intended for internal exchange of information."
Also available online in PDF via the NOAA Central Library.
Includes bibliographical references (pages 33-35).
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Rights Information:Public Domain
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Compliance:Library
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