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绿洲和戈壁复杂下垫面平流对湍流特征的影响

DOI: 10.1007/s11430-014-4910-8, PP. 2499-2514

Keywords: 大气近地面层(ASL),湍流相似性,平流,复杂下垫面

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Abstract:

?利用绿洲和戈壁近地面层湍流实验资料对比研究表明,在不稳定层结条件下,绿洲和戈壁中温度归一化方差满足,而绿洲湿度和CO2归一化方差都满足受平流影响,绿洲温度归一化方差量值较大,而戈壁CO2方差相对M-O函数关系有一定程度的偏离,湿度方差则完全背离了方差M-O关系;对上述结果分析表明,平流条件下,湿度方差满足关系式;其方差M-O关系由平流输送标量方差值的相对大小所决定.对于湿度和CO2等标量,如果平流输送的标量方差比局地标量方差大得多,则该标量方差观测值就会背离方差M-O关系,当平流输送的标量方差接近或小于局地标量方差时,标量方差观测值基本满足方差M-O关系.

References

[1]  奥银焕, 吕世华, 陈世强, 等. 2005. 夏季金塔绿洲及邻近戈壁的冷湿舌及边界层特征分析. 高原气象, 24: 503-508
[2]  陈晋北, 吕世华, 余晔. 2012. 绿洲和戈壁近地面层热量和物质输送特征对比. 地球物理学报, 55: 1817-1830
[3]  胡隐樵, 张强. 1993. 论大气边界层的局地相似性. 大气科学, 17: 10-20
[4]  胡隐樵, 王俊勤, 左洪超. 1993. 临近绿洲的沙漠上空近地面层内水汽输送特征. 高原气象, 12: 125-132
[5]  胡隐樵, 陈晋北, 左洪超. 2007. 湍流强度定理和湍流发展的宏观机制. 中国科学: 地球科学, 37: 272-281
[6]  姜海梅, 刘树华, 刘和平. 2013. 扰动近地层湍流互谱特征研究. 北京大学学报(自然科学版), 49: 435-442
[7]  苏从先, 胡隐樵, 张永丰, 等. 1987. 河西地区绿洲的小气候特征和"冷岛效应". 大气科学, 11: 390-396
[8]  韦志刚, 吕世华, 胡泽勇, 等. 2005. 夏季金塔边界层风、温度和湿度结构特征的初步分析. 高原气象, 24: 846-856
[9]  文莉娟, 吕世华, 张宇, 等. 2005. 夏季金塔绿洲风环流的数值模拟及结构分析. 高原气象, 24: 478-486
[10]  张强, 胡隐樵, 王喜红. 1992. 黑河地区绿洲内农田微气象特征. 高原气象, 11: 361-370
[11]  张强, 胡隐樵. 2001. 大气边界层物理学的研究进展和面临的科学问题. 地球科学进展, 16: 526-532
[12]  Asanuma J, Brutsaert W. 1999. The effect of chessboard variability of the surface fluxes on the aggregated turbulence fields in a convective atmospheric surface layer. Bound-Layer Meteor, 91: 37-50
[13]  De Bruin H A R, Van Den Hurk B J J M, Kroon L J M. 1999. On the temperature-humidity correlation and similarity. Bound-Layer Meteor, 93: 453-468
[14]  Detto M, Katul G, Mancini M, et al. 2008. Surface heterogeneity and its signature in higher-order scalar similarity relationships. Agric For Meteorol, 148: 902-916
[15]  Detto M, Baldocchi D, Katul G G. 2010. Scaling properties of biologically active scalar concentration fluctuations in the atmospheric surface layer over a managed peatland. Bound-Layer Meteor, 136: 407-430
[16]  Finnigan J J. 2008. An introduction to flux measurements in difficult conditions. Ecol Appl, 18: 1340-1350
[17]  Guo X, Zhang H, Cai X, et al. 2009. Flux-variance method for latent heat and carbon dioxide fluxes in unstable condition. Bound-Layer Meteor, 131: 363-384
[18]  Hill R J. 1989. Implications of Monin-Obukhov similarity theory for scalar quantities. J Atmos Sci, 46: 2236-2244
[19]  H?gstr?m U, Smedman-H?gstr?m A S. 1974. Turbulence mechanisms at an agricultural site. Bound-Layer Meteor, 7: 373-389
[20]  Hu Y Q, Su C X, Zhang Y F. 1988. Research on the microclimate characteristics and cold island effect over a reservoir in the Hexi. Adv Atmos Sci, 5: 117-126
[21]  Kader B A, Yaglom A M. 1990. Mean fields and fluctuation moments in unstably stratified turbulent boundary layers. J Fluid Mech, 212: 637-662
[22]  Kaimal J C, Gaynor J E. 1991. Another look at sonic thermometry. Boundary-Layer Meteorol. 56: 401-410
[23]  Katul G, Goltz S M, Hsieh, C I, et al. 1995. Estimation of surface heat and momentum fluxes using the flux-variance method above uniform and nonuniform terrain. Bound-Layer Meteor, 74: 237-260
[24]  Katul G G, Hsieh C I. 1999. A note on the flux-variance similarity relationships for heat and water vapour in the unstable atmospheric surface layer. Bound-Layer Meteor, 90: 327-338
[25]  Lamaud E, Irvine M. 2006. Temperature and humidity dissimilarity and heat-to-water-vapour transport efficiency above and within a pine forest canopy: The role of the Bowen ratio. Bound-Layer Meteor, 120: 87-109
[26]  Mahrt L. 1989. Intermittency of atmospheric-turbulence. J Atmos Sci, 46: 79-95
[27]  Mahrt L, Sun J, Blumen W, et al. 1998. Nocturnal boundary-layer regimes. Bound-Layer Meteor, 88: 255-278
[28]  Martano P. 2002. Estimation of surface roughness length and displacement height from single-level sonic anemometer data. J Appl Meteorol, 39: 708-715
[29]  McBean G A, Miyake M. 1972. The turbulent transfer mechanisms in the atmospheric surface layer. Q J R Meteorol Soc, 98: 383-398
[30]  McNaughton K G, Laubach J. 1998. Unsteadiness as a cause of non-equality of eddy diffusivities for heat and vapour at the base of an advective inversion. Bound-Layer Meteor, 88: 479-504
[31]  Moene A F, Michels B I, Holtslag A A M. 2006. Scaling variances of scalars in a convective boundary layer under different entrainment regimes. Bound-Layer Meteor, 120: 257-274
[32]  Monin A S, Obukhov A M. 1954. Basic laws of turbulent mixing in the ground layer of the atmosphere. Trans Geophys Inst Akad Nauk USSR, 151: 163-187
[33]  Oncley S P, Friehe C A, Larue J C, et al. 1996. Surface-layer fluxes, profiles, and turbulence measurements over uniform terrain under near-neutral conditions. J Atmos Sci, 53: 1029-1044
[34]  Padro J. 1993. An investigation of flux-variance methods and universal functions applied to three land-use types in unstable conditions. Bound-Layer Meteor, 66: 413-425
[35]  Panofsky H A, Lenschow D H, Wyngaard J C. 1977. The characteristics of turbulent velocity components in the surface layer under unstable conditions. Bound-Layer Meteor, 11: 355-361
[36]  Ricardo K S, David R F, Kathleen E M. 2001. Importance of low-frequency contributions to eddy fluxes observed over rough surfaces. J Appl Meteorol, 40: 2178-2192
[37]  Schotanus P, Nieuwstadt F T M, de Bruin H A R. 1983. Temperature measurement with a sonic anemometer and its application to heat and moisture fluxes. Bound-Layer Meteor. 26: 81-93
[38]  Shao Y, Hacher J M. 1990. Local similarity relationships in a horizontal inhomogeneous boundary layer. Bound-Layer Meteor, 52: 17-40
[39]  Sorbian Z. 1989. Structure of the Atmospheric Boundary Layer. London: Prentice Hall. 317
[40]  Stull R B. 1988. An Introduction to Boundary-Layer Meteorology. 2nd ed. Dordrecht: Kluwer Academic Publishers. 666
[41]  Townsend A A. 1961. Equilibrium layers and wall turbulence. J Fluid Mech, 11: 97-120
[42]  Webb E K, Pearman G I, Leuning R. 1980. Correction of the flux measurements for density effects due to heat and water vapour transfer. Q J R Meteorol Soc, 106: 85-100
[43]  Wyngaard J C, Coté O R, Izumi Y. 1971. Local free convection, similarity and the budgets of shear stress and heat flux. J Atmos Sci, 28: 1171-1182

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