Part of the excitement in boundary-layer meteorology is the challenge associated with turbulent flow - one of the unsolved problems in classical physics. An additional attraction of the filed is the rich diversity of topics and research methods that are collected under the umbrella-term of boundary-layer meteorology. The flavor of the challenges and the excitement associated with the study of the atmospheric boundary layer are captured in this textbook. Fundamental concepts and mathematics are presented prior to their use, physical interpretations of the terms in equations are given, sample data are shown, examples are solved, and exercises are included. The work should also be considered as a major reference and as a review of the literature, since it includes tables of parameterizatlons, procedures, filed experiments, useful constants, and graphs of various phenomena under a variety of conditions. It is assumed that the work will be used at the beginning graduate level for students with an undergraduate background in meteorology, but the author envisions, and has catered for, a heterogeneity in the background and experience of his readers.

The major objective of this study was to better understand the physical mechanisms involved in the dispersion of materials in the ABL that develops above heterogeneous land surfaces, using large eddy simulations This project consisted of three tasks: (i) An evaluation of our LES model against observations; (ii) A systematic analysis of the impact of microscale and meso-scale heat patches and topographical features on the structure of the ABL; and (iii) An analysis of the impact of these landscape heterogeneities on the dispersion of materials in the ABL. All three tasks have been fully completed. Using radiosondes, a network of surface fluxes. and a volume imaging lidar deployed in FIFE, we showed that, overall, the LES model performs quite well. However, its subgrid-scale parameterization needs to be improved to increase eddy dissipation. Various simulations using the FIFE data sets as well as ideal conditions indicate that microscale heterogeneities of surface heat fluxes and topographical features have only a minor to modest impact on the CBL, but can significantly affect the structure of turbulence. Meso-scale heterogeneities not only affect the structure of turbulence, but they can also significantly affect the mean characteristics of the CBL. These heterogeneities can also significantly affect the dispersion of materials. The results of this research were published in major peer-reviewed journals, and were presented at various professional meetings. A fourth and last year of funding was also provided to make a preliminary analysis of the ability of RAMS to simulate the stable nocturnal boundary layer (SNBL), in preparation of a more complete study on the dispersion of materials in this type of boundary layer. which will be proposed as a continuation of this completed project.

The book gives a comprehensive and lucid account of the science of the atmospheric boundary layer (ABL). There is an emphasis on the application of the ABL to numerical modelling of the climate. The book comprises nine chapters, several appendices (data tables, information sources, physical constants) and an extensive reference list. Chapter 1 serves as an introduction, with chapters 2 and 3 dealing with the development of mean and turbulence equations, and the many scaling laws and theories that are the cornerstone of any serious ABL treatment. Modelling of the ABL is crucially dependent for its realism on the surface boundary conditions, and chapters 4 and 5 deal with aerodynamic and energy considerations, with attention to both dry and wet land surfaces and sea. The structure of the clear-sky, thermally stratified ABL is treated in chapter 6, including the convective and stable cases over homogeneous land, the marine ABL and the internal boundary layer at the coastline. Chapter 7 then extends the discussion to the cloudy ABL. This is seen as particularly relevant, since the extensive stratocumulus regions over the subtropical oceans and stratus regions over the Arctic are now identified as key players in the climate system. Finally, chapters 8 and 9 bring much of the book's material together in a discussion of appropriate ABL and surface parameterization schemes in general circulation models of the atmosphere that are being used for climate simulation.

This book offers a comprehensive review of our current understanding of the planetary boundary layer, particularly the turbulent exchanges of momentum, heat and passive scalars between the surface of the Earth and the atmosphere. It presents and discusses the observations and the theory of the turbulent boundary layer, both for homogeneous and more realistic heterogeneous surface conditions, as well as the dispersion of tracers. Lastly it addresses the main problems arising due to turbulence in weather, climate and atmospheric composition numerical models. Written for postgraduate and advanced undergraduate-level students and atmospheric researchers, it is also of interest to anyone wanting to understand the findings and obtain an update on problems that have yet to be solved.

Boundary layer meteorology is the study of the physical processes that take place in the layer of air that is most influenced by the earth's underlying surface. This text/reference gives an uncomplicated view of the structure of the boundary layer, the instruments available for measuring its mean and turbulent properties, how best to make the measurements, and ways to process and analyze the data. The main applications of the book are in atmospheric modelling, wind engineering, air pollution, and agricultural meteorology. The authors have pioneered research on atmospheric turbulence and flow, and are noted for their contributions to the study of the boundary layer. This important work will interest atmospheric scientists, meteorologists, and students and faculty in these fields.

New York : Wiley, c1984.