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大气科学  2012 

3mm多普勒云雷达测量反演云内空气垂直速度的研究

DOI: 10.3878/j.issn.1006-9895.2012.01.01

Keywords: 云雷达WACR多普勒谱小粒子示踪法w0-Z关系法垂直速度

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Abstract:

垂直指向的W-波段大气云雷达(WACR)不仅测量云粒子的反射率因子Z,而且测量多普勒速度谱。本文利用寿县气象站WACR在2008年11月1日一个时段的测量,进行云内空气垂直速度反演试验。首先讨论个例中反射率、Doppler平均速度及谱宽的分布特征及原因,然后利用小粒子示踪法和改进的以小粒子示踪法为基础的粒子下降速度w0—反射率因子(w0-Z)关系法反演了云内空气垂直速度,进而结合Doppler谱数据分析反演结果。结果显示:小粒子示踪法在湍流较弱时能比较精确地反演空气垂直速度,而湍流较强时,湍流造成的误差不可忽略;改进算法在湍流较强时能够减少湍流对反演结果的影响。

References

[1]  Gossard E E,Measurement of cloud droplet size spectra by Doppler radar,Journal of Atmospheric and Oceanic Technology? ,1994, 11.
[2]  Firda J M;Sekelsky S M;Mclntosh R E,Application of dualfrequency millimeter-wave Doppler spectra for the retrieval of drop size distributions and vertical air motion in rain,Journal of Atmospheric and Oceanic Technology? ,1999, 16.
[3]  ,Radar Meteorology(in Chinese),北京:气象出版社,.
[4]  张培昌;杜秉玉;戴铁丕,雷达气象学,北京:气象出版社,2001.
[5]  RAUBER R M;A TOKAY,An explanation for the existence of SU-percooted water at the top of cold clouds,Atmospheric Science? ,1991, 48(08).
[6]  Pruppacher H R;Klett J D,Microphysics of Clouds and Precipitation,Reidel,1978.
[7]  Probert-Jones J R;Harper W R,Vertical air motion in showers as revealed by Doppler radar,Kansas City,MO,Amer.Meteor.Soc,1961.
[8]  Pazmany A L;Mclntosh R E;Kelly R,An airborne 95-GHz dual polarization radar for cloud studies,IEEE Transactions on Geoscience and Remote Sensing? ,1994, 32.
[9]  ,Wave Radar and Its Applications(in Chinese),北京:国防工业出版社,.
[10]  向敬成;张明友,毫米波雷达及其应用,北京:国防工业出版社,2005.
[11]  Moran K P;Martner B E;Post M J,An unattended cloud-profiling radar for use in climate research,Bulletin of the American Meteorological Society? ,1998, 79.
[12]  MARK. A. MILLER ;ANTHONY SLINGO,THE ARM MOBILE FACILITY AND ITS FIRST INTERNATIONAL DEPLOYMENT: Measuring Radiative Flux Divergence in West Africa,Bulletin of the American Meteorological Society?,2007, 88(8).
[13]  马振骅;陈大任;周彪,VHF雷达探测对流层风廓线的数值模拟实验研究,大气科学,1985(2).
[14]  Intrieri J M;Shupe M D;Uttal T,An annual cycle of Arctic cloud characteristics observed by radar and lidar at SHEBA,Journal of Geophysical Research? ,2002, 107(C10).
[15]  R. J. HOGAN ;P. R. FIELD ;A. J. ILLINGWORTH ;R. J. COTTON ;T. W. CHOULARTON,Properties of embedded convection in warm-frontal mixed-phase cloud from aircraft and polarimetric radar,Quarterly journal of the Royal Meteorological Society?,2002, 128(580 Part B).
[16]  Heymsfield A,Cirrus uncinus generating cells and the evolution of cirriform clouds.Part Ⅱ:The structure and circulations of the cirrus uncinus generating head,Journal of the Atmospheric Sciences,1975(4).
[17]  Hauser D;Amayenc P,A new method for deducing hydrometeor-size distributions and vertical air motions from Doppler radar measurements at vertical incidence,Journal of Applied Meteorology? ,1981, 20.
[18]  Kollias, P ;Clothiaux, E E ;Miller, M A ;Albrecht, B A ;Stephens, G L ;Ackerman, T P,Millimeter-wavelength radars: new frontier in atmospheric cloud and precipitation research.,Bulletin of the American Meteorological Society?,2007, 88(10).
[19]  PAVLOS KOLLIAS ;B. A. ALBRECNT ;F. MARKS JR.,Why mie? Accrate observations of vertical air velocities and raindrops using a cloud radar,Bulletin of the American Meteorological Society?,2002, 83(10).
[20]  Kollias P. ;Lhermitte R. ;Savtchenko A. ;Albrecht BA.,Radar observations of updrafts, downdrafts, and turbulence in fair-weather cumuli,Journal of the Atmospheric Sciences?,2001, 58(13).
[21]  Kollias P. ;Albrecht B.,The turbulence structure in a continental stratocumulus cloud from millimeter-wavelength radar observations,Journal of the Atmospheric Sciences?,2000, 57(15).
[22]  Ackerman TP. ;Stokes GM.,The Atmospheric Radiation Measurement program,Physics Today?,2003, 56(1).
[23]  Bottan L J,Some observations of vertical velocities and precipitation sizes in a thunderstorm,Journal of Applied Meteorology? ,1964, 3.
[24]  Wood R;Bretherton C;Albrecht B,Clouds,Aerosol,and Precipitation in the Marine Boundary,the Azores,NE Atlantic,2009.
[25]  Widener K B;Mead J B,W-Band ARM Cloud Radar-Specifications and Design,Albuquerque,New Mexico,USA,2005.
[26]  Vali G;Kelly R D;Pazmany A,Airborne radar and insitu observations of a shallow stratus with drizzle,Atmospheric Research? ,1995, 38.
[27]  Shupe M D;Kollias P;Poellot M,On deriving vertical air motions from cloud radar Doppler spectra,Journal of Atmospheric and Oceanic Technology? ,2008, 25(04).
[28]  Caton P G F,A study of raindrop-size distributions in the free atmosphere,Quarterly Journal of the Royal Meteorological Society,1966.
[29]  Sckelsky S M;Mclntosh R E,Cloud observations with a polarimetric 33 GHz and 95 GHz radar,Meteorology and Atmospheric Physics,1996.
[30]  Sassen K,Deep orographic cloud structure and composition derived from comprehensive remote sensing measurements,Journal of Applied Meteorology,1984(4).
[31]  Sadowy G A;Mclntosh R E;Dinardo,S J,The NASA DC-8 airborne cloud radar:Design and preliminary results,1997.
[32]  阮征;何平;葛润生.风廓线雷达对大气折射率结构常数的探测研究[J].大气科学,2008(1)
[33]  Lothon M;Lenschow D H;Leon D,Turbulence measurements in marine stratocumulus with airborne Doppler radar,Quarterly Journal of the Royal Meteorological Society? ,2005, 131.
[34]  Pavlos Kollias ;Eugene E. Clothiaux ;Mark A. Miller ;Edward P. Luke ;Karen L. Johnson ;Kenneth P. Moran ;Kevin B. Widener ;Bruce A. Albrecht,The Atmospheric Radiation Measurement Program Cloud Profiling Radars: Second-Generation Sampling Strategies, Processing, and Cloud Data Products,Journal of Atmospheric and Oceanic Technology?,2007, 24(7).
[35]  Rogers R R,An extension of the Z-R relation for Doppler radars,Boston,MA,Goulder,Co,1964.
[36]  Rogers R R;Pilié R J,Radar measurements of drop-size distribution,Journal of the Atmospheric Sciences? ,1962, 19(06).
[37]  Paluch I R;Lenschow D H,Stratiform cloud formation in the marine boundary layer,Journal of the Atmospheric Sciences? ,1991, 48(19).

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