An LES study of the impacts of land surface heterogeneity on dispersion in the convective boundary layer

Journal of the Atmospheric Sciences

Volumn 57, Issue 2, 2000, Pages 352-371

  Gopalakrishnan, S G ^a,b   Avissar, Roni ^a  

^a RUTGERS UNIVERSITY   (United States)

^b SCIENCE APPLICATIONS INTERNATIONAL CORPORATION   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ATMOSPHERIC MOVEMENTS; ATMOSPHERIC PRESSURE; ATMOSPHERIC RADIATION; COMPUTER SIMULATION; HEAT FLUX; MATHEMATICAL MODELS;

CONVECTIVE BOUNDARY LAYER (CBL); LAGRANGIAN PARTICLE DISPERSION MODEL; LARGE EDDY SIMULATIONS (LES); PRESSURE GRADIENTS;

ATMOSPHERIC STRUCTURE;

CONVECTIVE BOUNDARY LAYER; HEAT FLUX; LARGE EDDY SIMULATION; TOPOGRAPHY;

CONVECTIVE BOUNDARY LAYER; HEAT FLUX; LAGRANGIAN ANALYSIS; LAND SURFACE; LARGE EDDY SIMULATION; TOPOGRAPHIC EFFECT;

EID: 0034651214     PISSN: 00224928     EISSN: None     Source Type: Journal    
DOI: 10.1175/1520-0469(2000)057<0352:ALSOTI>2.0.CO;2     Document Type: Article

References (38)

1. André, J. C., P. Bougeault, and J. P. Goutorbe, 1990: Regional estimates of heat and evaporation fluxes over non-homogeneous terrain. Examples from the HAPEX-MOBILHY programme. Bound.-Layer Meteor., 50, 77-108.
2. Avissar, R., and R. A. Pielke, 1989: A parameterization of heterogeneous land-surface for atmospheric numerical models and its impact on regional meteorology. Mon. Wea. Rev., 117, 2113-2136.
3. _, and F. Chen, 1993: Development and analysis of prognostic-equations for mesoscale kinetic energy and mesoscale (subgrid scale) fluxes for large-scale atmospheric models. J. Atmos. Sci., 50, 3751-3774.
4. _, and Y. Liu, 1996: Sensitivity of shallow convective precipitation induced by land surface heterogeneities to dynamical and cloud microphysical parameters. J. Geophys. Res., 101, 7477-7497.
5. _, and T. Schmidt, 1998: An evaluation of the scale at which ground-surface heat flux patchiness affects the convective boundary layer using large-eddy simulations. J. Atmos. Sci., 55, 2666-2689.
6. _, E. W. Eloranta, K. Gurer, and G. J. Tripoli, 1998: An evaluation of the large-eddy simulation option of the the Regional Atmospheric Modeling System (RAMS) in simulating a convective boundary layer: A FIFE case study. J. Atmos. Sci., 55, 109-130.
7. Briggs, G. A., 1993: Plume dispersion in the convective boundary layer. Part II: Analyses of CONDORS field experiment data. J. Appl. Meteor., 32, 1388-1425.
8. Chen, F., and R. Avissar, 1994: Impact of land-surface moisture variability on local shallow convective cumulus and precipitation in large-scale models. J. Appl. Meteor., 33, 1382-1401.
9. Clark, T. L., 1977: A small-scale dynamic model using a terrain-following coordinate transformation. J. Comput. Phys., 24, 186-215.
10. Deardorff, J. W., 1972: Numerical investigation of neutral and unstable planetary boundary layers. J. Atmos. Sci., 29, 91-115.
11. _, 1974: Three-dimensional study of the height and mean structure of a heated planetary boundary layer. Bound.-Layer Meteor., 7, 81-106.
12. _, 1980: Stratocumulus-capped mixed layers derived from a three-dimensional model. Bound.-Layer Meteor., 18, 495-527.
13. de Bass, A. F., H. van Dop, and F. T. M. Niewstadt, 1986: An application of the Langevin equation for inhomogeneous conditions to dispersion in a convective boundary layer. Quart. J. Roy. Meteor. Soc., 112, 165-180.
14. Gal-Chen, T., and R. C. J. Somerville, 1975: On the use of coordinate transformation for the solution of the Navier-Stokes equations. J. Comput. Phys., 17, 209-228.
15. Gopalakrishnan, S. G., and M. Sharan, 1997: A Lagrangian particle model for marginally heavy gas dispersion. Atmos. Environ., 31, 3369-3382.
16. _, S. Baidya Roy, and R. Avissar, 2000: An evaluation of the scale at which topographical features affect the convective boundary layer using large eddy simulations. J. Atmos. Sci., 56, 334-371.
17. Hadfield, M. G., W. R. Cotton, and R. A. Pielke, 1991: Large-eddy simulations of thermally forced circulation in the convective boundary layer. Part II: The effect of changes in wavelength and wind speed. Bound.-Layer Meteor., 58, 307-327.
18. Hechtel, L. M., C. H. Moeng, and R. B. Stull, 1990: The effects of nonhomogeneous surface fluxes on the convective boundary layer: A case study using large-eddy simulation. J. Atmos. Sci., 47, 1721-1741.
19. Lamb, R. G., 1978: A numerical simulation of dispersion from an elevated point source in the convective planetary boundary layer. Atmos. Environ., 12, 1297-1304.
20. _, 1984: Diffusion in the convective boundary layer. Atmospheric Turbulence and Air Polhition Modeling, F. T. M. Nieuwstadt and H. van Dop, Eds., D. Reidel, 69-106.
21. Legg, B. J., and M. R. Raupach, 1982: Markov-chain simulation of particle dispersion in inhomogeneous flows: The mean drift velocity induced by a gradient in Eulerian velocity variance. Bound.-Layer Meteor., 24, 3-13.
22. Louis, J. F., 1979: A parametric model of vertical eddy fluxes in the atmosphere. Bound.-Layer Meteor., 17, 187-202.
23. Luhar, A. K., and R. E. Britter, 1989: A random walk model for dispersion in inhomogeneous turbulence in a convective boundary layer. Atmos. Environ., 23, 1911-1924.
24. Lynn, B. H., F. Abramopolous, and R. Avissar, 1995: Using similarity theory to parameterize mesoscale heat fluxes generated by subgrid-scale landscape discontinuities in GCMs. J. Climate, 8, 932-951.
25. Moeng, C.-H., and J. C. Wyngaard, 1988: Spectral analysis of large-eddy simulations of the convective boundary layer. J. Atmos. Sci., 45, 3573-3587.
26. Ookouchi, Y., M. Segal, R. C. Kessler, and R. A. Pielke, 1984: Evaluation of soil moisture effects on the generation and modification of mesoscale circulations. Mon. Wea. Rev., 112, 2281-2292.
27. Pielke, R. A., G. A. Dalu, J. S. Snook, T. J. Lee, and T. G. F. Kittel, 1991: Nonlinear influence of mesoscale land use on weather and climate. J. Climate, 4, 1053-1069.
28. _, and Coauthors, 1992: A comprehensive meteorological modeling system - RAMS. Meteor. Atmos. Phys., 49, 69-91.
29. Sawford, B. L., and F. M. Guest, 1987: Lagrangian stochastic analysis of flux gradient relationships in the convective boundary layer. J. Atmos. Sci., 44, 1152-1165.
30. Segal, M., and R. W. Arritt, 1992: Nonclassical mesoscale circulations caused by surface sensible heat-flux gradients. Bull. Amer. Meteor. Soc., 73, 1593-1604.
31. _, R. Avissar, M. C. McCumber, and R. A. Pielke, 1988: Evaluation of vegetation effects on the generation and modification of mesoscale circulations. J. Atmos. Sci., 45, 2268-2292.
32. Uliasz, M., 1993: The atmospheric mesoscale dispersion modeling system (MDMS). J. Appl. Meteor., 32, 139-149.
33. Walko, R. L., W. R. Cotton, and R. A. Pielke, 1992: Large-eddy simulations of the effects of hilly terrain on the convective boundary layer. Bound.-Layer Meteor., 58, 133-150.
34. Weil, J. C., 1990: A diagnosis of the asymmetry in top-down and bottom-up diffusion using a Lagrangian stochastic model. J. Atmos. Sci., 47, 501-515.
35. Willis, G. E., and J. W. Deardorff, 1974: A laboratory model of the unstable planetary boundary layer. J. Atmos. Sci., 31, 1297-1307.
36. _, and _, 1976: A laboratory model of diffusion into the convective planetary boundary. Quart. J. Roy. Meteor. Soc., 102, 427-445.
37. _, and _, 1978: A laboratory study of dispersion from an elevated source within a modeled convective boundary layer. Atmos. Environ., 12, 1305-1311.
38. _, and _, 1981: A laboratory study of dispersion from a source in the middle of the convective boundary layer. Atmos. Environ., 15, 109-117.