Abstrad. Surface winds were measured from anchored buoys at the corners of a loo-km triangle in the Atlantic ocean for three weeks in September 1972. The measurements were part of the British Royal Society Joint Air-Sea Interaction Project, JASIN-72. Peaks were found at a frequency of 0.125 cph (8-h
Validation of trends in the surface wind field over the Mozambique channel
β Scribed by Grant R. Bigg
- Publisher
- John Wiley and Sons
- Year
- 1992
- Tongue
- English
- Weight
- 915 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0899-8418
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β¦ Synopsis
Abstract
The evolution of the atmospheric circulation over the Mozambique Channel over 1950β1987 is examined, using ship and landβbased pressure gradients as consistency checks on the surface wind field over the ocean. It is found that in the austral summer, when the InterβTropical Convergence Zone crosses the region, the winds show little evidence of change. However, in the winter the prevailing southerly winds in the north of the channel show evidence in both pressure records and wind data of a significant strengthening.
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Height dependency of statistics of horizontal and vertical wind direction fluctuations over plant canopies have been studied, using observational data in the surface layer over paddy fields. Vertical wind directions just above plant canopies have significant positive average values and large standar