Air Flow Distortion Over Merchant Ships

Yelland, M.J. ORCID: https://orcid.org/0000-0002-0936-4957; Moat, B.I. ORCID: https://orcid.org/0000-0001-8676-7779; Taylor, P.K.. 2001 Air Flow Distortion Over Merchant Ships. Southampton, UK, Southampton Oceanography Centre, 32pp.

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Abstract/Summary

Anemometers on voluntary observing ships (VOS) are usually sited above the bridge in a region where the effects of flow distortion may be large. Until recently it was unclear whether measurements from such anemometers would be biased high or low, and the magnitude of any such bias was not known. This report describes the progress made in determining the effects of flow distortion and hence in predicting the possible bias in such anemometer measurements of the wind speed.