Abstract
A field experiment to measure the turbulent structure of the internal boundary layer near the shore was conducted using three instrumented meteorological poles, a kytoon, and a crane-mounted ultrasonic anemometer-thermometer, as well as three reference ultrasonic anemometer-thermometers positioned near the poles. Part 1 of this study gives the explicit details and general characteristics for one run of the experiment. Part 2 (Ohara and Ogawa, 1984) will present a similarity and energy budget analysis. The mean velocity profiles showed that there was wind speed acceleration due to the sea-land temperature difference. In addition, the velocity profiles consisted of three distinct regions; the region near the ground had the largest gradient followed by a transition zone which had a small velocity gradient, while above, the profile resembled the oncoming sea breeze. In general, the turbulence was greatest near the shore, gradually decreasing inland. The lowest region had large turbulence intensities and the transition region had some intermittent turbulence characteristics between the lower strong unstable layer and the relatively turbulent-free region above.
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Deceased March 1984.
Present address: The Institute of Behavioral Sciences, Yoyagi, Tokyo 151, Japan.
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Ogawa, Y., Ohara, T. The turbulent structure of the internal boundary layer near the shore. Boundary-Layer Meteorol 31, 369–384 (1985). https://doi.org/10.1007/BF00120836
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DOI: https://doi.org/10.1007/BF00120836