| ![](http://ams.confex.com/static/images/flag.png) | P4.8 | Spatial Variability of Nocturnal Surface Fluxes Reina Nakamura, Oregon State University, Corvallis, OR |
| | P4.9 | Formation, evolution and decay of a shear flow instability in the stable nocturnal boundary layer Rob K. Newsom, CIRA/Colorado State Univ., Fort Collins, CO; and R. M. Banta and Y. Pichugina |
| | P4.10 | Sound propagation observations during the CASES-99 experiment D. Keith Wilson, U.S. Army Research Laboratory, Adelphi, MD; and J. M. Noble and M. A. Coleman |
| | P4.11 | Large-Eddy simulations of Stable Boundary Layer: exploration of ranges of applicability Maria A. Jiménez, Instituto Nacional de Meteorologia, Madrid, Spain; and J. Cuxart |
| | P4.12 | Mesoscale modeling of the wintertime boundary layer structure over the Arctic pack ice P. Ola G. Persson, CIRES/NOAA/ETL, Boulder, CO; and J. W. Bao and S. Michaelson |
| | P4.13 | Observations and Numerical Modelling of an ordinary katabatic wind regime in Coats Land, Antarctica Ian A. Renfrew, British Antarctic Survey, Cambridge, United Kingdom; and P. S. Anderson |
| | P4.14 | Turbulent diffusion of scalars in stratocumulus topped boundary layers Ian Faloona, NCAR, Boulder, CO; and D. Lenschow and B. Stevens |
| | P4.15 | A coupled model of shelter effects on pollen dispersion Raymond W. Arritt, Iowa State University, Ames, IA; and J. M. Riese, E. S. Takle, and M. J. Falk |
| | P4.16 | A study of the dispersion of an elevated plume on complex terrain under summer conditions Gorka Pérez-Landa, Mediterranean Centre for Environmental Studies Foundation, Valencia, Spain; and J. L. Palau, E. Mantilla, and M. M. Millán |
| | P4.17 | A versatile entrainment function for dense-gas dispersion Morten Nielsen, Risø National Laboratory, Roskilde, Denmark; and N. O. Jensen |
| ![](http://ams.confex.com/static/images/flag.png) | P4.18 | Concentration Correlation Transfer of Urban Air Pollution Sukaran Ram Patel, Universidade Federal da Paraíba, Campina Grande, PB, Brazil |
| | P4.19 | The new model for aerosols transportation in boundary layer with obstacles Arakel Petrosyan, Space Research Institute of the Russian Academy of Sciences, Moscow, Russia; and K. Karelsky |
| | P4.20 | Paper moved to session 12, new paper number 12.5A
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| | P4.21 | Real-time profiles of organic trace gases in the Arctic boundary layer obtained during the Arctic Ocean Expedition (AOE-2001) Michael L. Jensen, CIRES/Univ. of Colorado, Boulder, CO; and A. Wisthaler, A. Hansel, P. O. G. Persson, and B. Templeman |
| | P4.22 | Seasonal variation of boundary layer profiles of CO2 concentrations and the rectifier effect as measured by light and ultralight aircraft Michael L. Jensen, CIRES/Univ. of Colorado, Boulder, CO; and M. Hurwitz, K. Schulz, K. J. Davis, B. B. Balsley, and J. Birks |
| | P4.23 | The impact of forecast errors in boundary layer wind and fields on predictions of surface ozone concentrations Sharon Zhong, PNNL, Richland, WA; and G. Jiang, E. Yang, and S. Tanrikulu |
| | P4.24 | Large-Eddy Simulation of Diffusion from/to Line and Point Sources/Sinks inside a Forest Hong-Bing Su, Indiana University, Bloomington, IN |