Study on fluxes of momentum and sensible heat, the drag coefficientC d and roughnessZ 0 *

Song Xi-long; Hu Dun-xin

doi:10.1007/BF02845173

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Study on fluxes of momentum and sensible heat, the drag coefficientC d and roughnessZ 0 *

Updated：2023-05-16

- Study on fluxes of momentum and sensible heat, the drag coefficientC d and roughnessZ 0 *
- Journal of Oceanology and Limnology Vol. 12, Issue 3, Pages: 274-279(1994)
- Affiliations：
  
  Institute of Oceanology
- Author bio：
- Funds：
- DOI：10.1007/BF02845173
  CLC：
- Published：1994
- Accepted：
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Xi-long, S., Dun-xin, H. Study on fluxes of momentum and sensible heat, the drag coefficientC, d and roughnessZ, , *0, , , ., Chin. J. Ocean. Limnol. 12, 274–279 (1994). https://doi.org/10.1007/BF02845173
DOI：

Xi-long, S., Dun-xin, H. Study on fluxes of momentum and sensible heat, the drag coefficientC, d and roughnessZ, , *0, , , ., Chin. J. Ocean. Limnol. 12, 274–279 (1994). https://doi.org/10.1007/BF02845173 DOI：

摘要

Abstract

In this paper

fluxes of momentum and sensible heat are discussed with the data collected by tethered balloon sounding system over the Philippine Sea during the cruise of the R/VSCIENCE 1 from September through October in 1987. These fluxes were calculated using the semempirical flux-profile relationships of Monin-Obkhov similarity theory with observed data. The friction velocityU. was determined by the observed data's least-square fit with the similarity formulae under stable

neutral and unstable conditions. The roughnessZ 0 was determined byZ 0=a1 (U*/g)

then substituted into the similarity formulae to computeU * again. The final values ofU * andZ 0 could be determined through this iteration. The flux temperatureθ * was calculated from the temperature profile withZ 0 determined above. Finally the fluxes of momentum and sensible heat

and the drag coefficientC D were obtained by computation withU * θ * and the wind speed (U 10) at 10 meters above the sea surface.

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references

Haugen, D. A., 1973. Workshop on Micrometeorology. the American Meteorology Society, Science Press, Ephrata, 392 pp.

Pielke, Roger A., 1984. Mesoscale Meteorological Modeling. Academia Press, Inc., New York, 612 pp.

Qu Shaohou, 1988. Observation research of the turbulent fluxes of momentum, sensible heat and latent heat over the West Pacific Tropical Ocean area.Acta Meteorologica,46(4): 454–460. (in Chinese with English abstract)

Xiong Kang, 1990. Observation study on turbulent fluxes, sea surface roughnessZ 0 and drag coefficientC D over the Western Tropical Ocean.Scientia Atmospherica Sinica,14(4), 475–482. (in Chinese with English abstract)

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