Relative influence of urban and orographic effects for low wind conditions in the Paris area

被引:12
作者
Troude, F
Dupont, E
Carissimo, B
Flossmann, AI
机构
[1] Elect France, Div Rech & Dev, F-78401 Chatou, France
[2] Univ Clermont Ferrand, OPGC, LAMP, F-63177 Aubiere, France
关键词
mesoscale simulation; meteorology in Paris; orography and urban forcings;
D O I
10.1023/A:1014903627803
中图分类号
P4 [大气科学(气象学)];
学科分类号
0706 ; 070601 ;
摘要
The relative roles of land-use and orography on the meteorological fields in the Paris area are studied by means of numerical simulations of two Special Observing Periods (SOP), of the ECLAP experiment. Sensitivity experiments have been performed with flat orography to investigate the strength of the urban effects, and with a uniform land-use surface to replace the surface heterogeneities, to isolate the orographic forcing. Comparisons of the simulated fields with a reference simulation including all forcing are analysed. It is found that during these two SOP of spring-time conditions, despite the low terrain elevation, the orographic effect is the main forcing of the dynamic field but that although the land use is the dominant factor reproducing the thermal evolution of the boundary layer, the orography alone also plays a role in the temperature pattern with slope flows in and out of the Paris basin.
引用
收藏
页码:493 / 505
页数:13
相关论文
共 23 条
  • [1] BORNSTEIN RD, 1978, WMO S BOUND LAYER PH
  • [2] Local simulations of land-sea breeze cycles in Athens based on large-scale operational analyses
    Carissimo, B
    Dupont, E
    Marchand, O
    [J]. ATMOSPHERIC ENVIRONMENT, 1996, 30 (15) : 2691 - 2704
  • [3] CARISSIMO B, 1995, 7 C MOUNT MET JUL 17
  • [4] DETWILLER J, 1970, 52 MET NATL PAR
  • [5] DUCKWORTH F. S., 1954, BULL AMER METEOROL SOC, V35, P198
  • [6] Comparison between the atmospheric boundary layer in Paris and its rural suburbs during the ECLAP experiment
    Dupont, E
    Menut, L
    Carissimo, B
    Pelon, J
    Flamant, P
    [J]. ATMOSPHERIC ENVIRONMENT, 1999, 33 (06) : 979 - 994
  • [7] ESCOURROU G, 1991, CLIMAT VILLE REV GEO
  • [8] ENHANCEMENT AND SUPPRESSION OF URBAN HEAT PLUMES OVER JOHANNESBURG
    GOLDREICH, Y
    TYSON, PD
    VONGOGH, RG
    VENTER, GPN
    [J]. BOUNDARY-LAYER METEOROLOGY, 1981, 21 (01) : 115 - 126
  • [9] HILDEBRAND PH, 1984, J ATMOS SCI, V41, P76, DOI 10.1175/1520-0469(1984)041<0076:UEOTCB>2.0.CO
  • [10] 2