SEA-SURFACE WIND STRESS AND DRAG COEFFICIENTS - THE HEXOS RESULTS

被引:348
作者
SMITH, SD
ANDERSON, RJ
OOST, WA
KRAAN, C
MAAT, N
DECOSMO, J
KATSAROS, KB
DAVIDSON, KL
BUMKE, K
HASSE, L
CHADWICK, HM
机构
[1] ROYAL NETHERLANDS METEOROL INST,3730 AE DE BILT,NETHERLANDS
[2] UNIV WASHINGTON,DEPT ATMOSPHER SCI,SEATTLE,WA 98195
[3] USN,POSTGRAD SCH,DEPT METEOROL,MONTEREY,CA 93943
[4] UNIV KIEL,INST MEERESKUNDE,W-2300 KIEL 1,GERMANY
[5] METEOROL OFF,BRACKNELL RB12 2SZ,BERKS,ENGLAND
关键词
D O I
10.1007/BF00122064
中图分类号
P4 [大气科学(气象学)];
学科分类号
0706 ; 070601 ;
摘要
Turbulent fluxes have been measured in the atmospheric surface layer from a boom extending upwind from the Dutch offshore research platform Meetpost Noordwijk (MPN) during HEXMAX (Humidity Exchange over the Sea Main Experiment) in October-November, 1986. We started out to study eddy flux of water vapour, but discrepancies among simultaneous measurements made with three different anemometers led us to develop methods to correct eddy correlation measurements of wind stress for flow distortion by nearby objects. We then found excellent agreement among the corrected wind stress data sets from the three anemometers on the MPN boom and with eddy correlation measurements from a mast on a tripod. Inertial-dissipation techniques gave reliable estimates of wind stress from turbulence spectra, both at MPN and at a nearby ship. The data cover a range of wave ages and the results yield new insights into the variation of sea surface wind stress with sea state; two alternative formulas are given for the nondimensional surface roughness as a function of wave age.
引用
收藏
页码:109 / 142
页数:34
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