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Author : Robert Alan Brown
Publisher : John Wiley & Sons
ISBN 13 :
Total Pages : 174 pages
Book Rating : 4.:/5 (45 download)
Download or read book Analytical Methods in Planetary Boundary-layer Modelling written by Robert Alan Brown and published by John Wiley & Sons. This book was released on 1974 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert A. Brown
Publisher : Academic Press
ISBN 13 : 9780080917115
Total Pages : 512 pages
Book Rating : 4.9/5 (171 download)
Download or read book Fluid Mechanics of the Atmosphere written by Robert A. Brown and published by Academic Press. This book was released on 1991-03-22 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fluid Mechanics of the Atmosphere presents the fundamental equations which govern most of the flow problems studied by atmospheric scientists. The equations are derived in a systematic way that is intended to facilitate critical evaluation. The goal of this text is twofold. First the book supplies the student a background familiarity in the underlying physics behind the mathematics. Second it explores some systematic methods of relating these physics to atmospheric problems, including rotating frames of reference effects, vorticity dynamics, and turbulence effects on closure. Stresses vorticity, principles of scaling, and turbulence Extensively illustrated Includes end-of-chapter summaries and problem sets Classroom tested for five years
Author : Demetri P Lalas
Publisher : World Scientific
ISBN 13 : 9814602833
Total Pages : 768 pages
Book Rating : 4.8/5 (146 download)
Download or read book Modelling Of Atmospheric Flow Fields written by Demetri P Lalas and published by World Scientific. This book was released on 1996-01-11 with total page 768 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is a collection of lectures given at the two colloquia on atmospheric flows over complex terrain with applications to wind energy and air pollution, organized and sponsored by ICTP in Trieste, Italy. The colloquia were the result of the recognition of the importance of renewable energy sources, an important aspect which grows yearly as the environmental problems become more pronounced and their effects more direct and intense, while at the same time, the wise management of the Earth's evidently limited resources becomes imperative.It is divided into two main parts. The first, which comprises Chaps. 1 to 4, presents the structure of the atmospheric boundary layer with emphasis in the region adjacent to the ground. The second, Chaps. 5 to 10, discusses methods for the numerical computation of the wind field on an arbitrary terrain. The unique feature of this book is that it does not stop at the theoretical exposition of the analytical and numerical techniques but includes a number of codes, in a diskette, where the mechanisms and techniques presented in the main part are implemented and can be run by the reader. Some of the codes are of instructional value while others can be utilized for simple operational work.Some of the lecturers are: D N Asimakopoulos, C I Aspliden, V R Barros, A K Blackadar, G A Dalu, A de Baas, D Etling, G Furlan, D P Lalas, P J Mason, C F Ratto and F B Smith.
Author : J. R. Garratt
Publisher : Cambridge University Press
ISBN 13 : 9780521467452
Total Pages : 340 pages
Book Rating : 4.4/5 (674 download)
Download or read book The Atmospheric Boundary Layer written by J. R. Garratt and published by Cambridge University Press. This book was released on 1994-04-21 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : Roland B. Stull
Publisher : Springer Science & Business Media
ISBN 13 : 9789027727695
Total Pages : 688 pages
Book Rating : 4.7/5 (276 download)
Download or read book An Introduction to Boundary Layer Meteorology written by Roland B. Stull and published by Springer Science & Business Media. This book was released on 1988-07-31 with total page 688 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : Cedrick Ansorge
Publisher : Springer
ISBN 13 : 3319450441
Total Pages : 180 pages
Book Rating : 4.3/5 (194 download)
Download or read book Analyses of Turbulence in the Neutrally and Stably Stratified Planetary Boundary Layer written by Cedrick Ansorge and published by Springer. This book was released on 2016-09-15 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents a study of strong stratification and turbulence collapse in the planetary boundary layer, opening a new avenue in this field. It is the first work to study all regimes of stratified turbulence in a unified simulation framework without a break in the paradigms for representation of turbulence. To date, advances in our understanding and the parameterization of turbulence in the stable boundary layer have been hampered by difficulties simulating the strongly stratified regime, and the analysis has primarily been based on field measurements. The content presented here changes that paradigm by demonstrating the ability of direct numerical simulation to address this problem, and by doing so to remove the uncertainty of turbulence models from the analysis. Employing a stably stratified Ekman layer as a simplified physical model of the stable boundary layer, the three stratification regimes observed in nature— weakly, intermediately and strongly stratified—are reproduced, and the data is subsequently used to answer key, long-standing questions. The main part of the book is organized in three sections, namely a comprehensive introduction, numerics, and physics. The thesis ends with a clear and concise conclusion that distills specific implications for the study of the stable boundary layer. This structure emphasizes the physical results, but at the same time gives relevance to the technical aspects of numerical schemes and post-processing tools. The selection of the relevant literature during the introduction, and its use along the work appropriately combines literature from two research communities: fluid dynamics, and boundary-layer meteorology.
Author : Environmental Science Information Center. Library and Information Services Division
Publisher :
ISBN 13 :
Total Pages : 438 pages
Book Rating : 4.3/5 (91 download)
Download or read book Book Catalog of the Library and Information Services Division: Subject index written by Environmental Science Information Center. Library and Information Services Division and published by . This book was released on 1977 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.:/5 (319 download)
Download or read book CRREL Monograph written by and published by . This book was released on 1981 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Leonardo Di G. Sigalotti
Publisher : CRC Press
ISBN 13 : 1000844234
Total Pages : 429 pages
Book Rating : 4.0/5 (8 download)
Download or read book Air Turbulence and its Methods of Detection written by Leonardo Di G. Sigalotti and published by CRC Press. This book was released on 2023-02-24 with total page 429 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book is a concise guide dealing with the subject of air turbulence and its methods of detection with particular applications to aviation turbulence. It begins with a general description of turbulence and provides a background into the nature and causes of atmospheric turbulence that affect aircraft motion, giving updates on the state-of-the-art research on clear air turbulence (CAT). Important physical processes leading to the Kelvin-Helmholtz instability, a primary producer of CAT, are also explained. The several categories of CAT along with its impact on commercial aviation are also presented in a separate chapter, with particular emphasis on the structural damages to planes and injuries. The central theme of the book deals with both the earlier and the latest CAT detecting methods and techniques for remote and in situ sensing and forecasting. A concise presentation of new technologies for reducing aviation weather-related accidents is also offered. A chapter on the weather accident prevention project of the NASA aviation safety program is also included. Additionally, the book ends with a full description of the recent research activities on CAT and future challenges in turbulence detection, prediction and avoidance.
Author :
Publisher : DIANE Publishing
ISBN 13 : 142891661X
Total Pages : 45 pages
Book Rating : 4.4/5 (289 download)
Download or read book The Atmospheric Boundary Layer Over Polar Marine Surfaces written by and published by DIANE Publishing. This book was released on with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Environmental Science Information Center. Library and Information Services Division
Publisher :
ISBN 13 :
Total Pages : 444 pages
Book Rating : 4.3/5 ( download)
Download or read book Book catalog of the Library and Information Services Division written by Environmental Science Information Center. Library and Information Services Division and published by . This book was released on 1977 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William D. Neff
Publisher :
ISBN 13 :
Total Pages : 38 pages
Book Rating : 4.:/5 (31 download)
Download or read book Quantitative Evaluation of Acoustic Echoes from the Planetary Boundary Layer written by William D. Neff and published by . This book was released on 1975 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Samuel Y. K. Yee
Publisher :
ISBN 13 :
Total Pages : 42 pages
Book Rating : 4.3/5 (91 download)
Download or read book Blending of Surface and Rawinsonde Data in Mesoscale Objective Analysis written by Samuel Y. K. Yee and published by . This book was released on 1988 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes a simple technique to blend surface and rawinsonde observations in the planetary boundary layer (PBL) using a Barnes-type objective analysis. This goal is to improve the mesoscale detail of boundary layer input fields for a mesoscale numerical weather prediction model. The technique uses both surface and rawinsonde data in the boundary layer, where it is known that mesoscale details are inadequately resolved by the rawinsonde network and where the influence of the ground surface is strongest. Our challenge is to blend the signals contained in the denser surface observations that capture at least some mesoscale detail with those contained in the denser surface observations that capture at least some mesoscale detail with those contained in the boundary layer rawinsonde data. This is accomplished simply by comparing two analyses at the ground, one containing both rawinsonde data-resolvable and surface-data-resolvable information and the other, only the rawinsonde scale information. Differences between these two fields are assumed to be the signals undetected by the rawinsonde network. These mesoscale signals are then incorporated into the PBL analyses as a function of the distance from the ground. Results show a positive impact on boundary layer analyses due to the blending of surface and rawinsonde data, demonstrating that he technique is useful for providing improved mesoscale detail at and near the ground. Also discussed is the relative impact of data density and reference topography on the analysis of model parameters on terrain-following surfaces. (EDC).
Author : Robert Russ
Publisher :
ISBN 13 : 9781423546801
Total Pages : 151 pages
Book Rating : 4.5/5 (468 download)
Download or read book Estimating the Height of the Planetary Boundary Layer for Diffusion- Transport Models written by Robert Russ and published by . This book was released on 1999-03-01 with total page 151 pages. Available in PDF, EPUB and Kindle. Book excerpt: Diffusion-Transport (D-T) modeling is a branch of numerical weather prediction concerned with eddy diffusion of particulate pollutant plumes and their transport by the wind. When conducting D-T modeling, establishing the height of the planetary boundary layer (PBL) is crucial to defining the vertical bounds within which a plume can become thoroughly mixed. The PBL can be deduced from observations or model simulation. Three sounding analysis PBL algorithms were considered - the Potential Instability Mixing Depth (PIMIX), Potential Temperature (POTEMP), and Gradient Richardson Number (RICH) algorithms. A turbulent kinetic energy (TKE) based PBL algorithm was also evaluated. The purpose of this research was threefold. First, observed atmospheric soundings were input, and algorithm output was compared to human analyses of the observed soundings (Analysis). Second, Regional Atmospheric Modeling System (RAMS) generated forecast soundings were input, and algorithm output was compared to human analyses of the forecast soundings (Simulation). Finally, algorithm output from simulation was compared with the human analyses from analysis (Verification). These PBL comparisons were put into one of four categories: (1) hit, (2) indication of deep convection, (3) miss, or (4) algorithm failure. Algorithm performance was ranked based on the number of hits, then on indications of deep convection. PIMIX was the best analysis tool, while both POTEMP and TKE were the best simulation methods. All algorithms had a similar number of hits for verification, but PIMIX had more estimates indicative of deep convection, so was ranked best.
Author : R.E. Munn
Publisher : Springer Science & Business Media
ISBN 13 : 9400909756
Total Pages : 378 pages
Book Rating : 4.4/5 (9 download)
Download or read book Boundary Layer Studies and Applications written by R.E. Munn and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Demetri P. Lalas
Publisher : World Scientific Publishing Company Incorporated
ISBN 13 : 9789810225094
Total Pages : 753 pages
Book Rating : 4.2/5 (25 download)
Download or read book Modelling of Atmospheric Flow Fields written by Demetri P. Lalas and published by World Scientific Publishing Company Incorporated. This book was released on 1996-01-01 with total page 753 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Roger A. Pielke
Publisher : Elsevier
ISBN 13 : 008092526X
Total Pages : 625 pages
Book Rating : 4.0/5 (89 download)
Download or read book Mesoscale Meteorological Modeling written by Roger A. Pielke and published by Elsevier. This book was released on 2013-10-22 with total page 625 pages. Available in PDF, EPUB and Kindle. Book excerpt: To effectively utilize mesoscale dynamical simulations of the atmosphere, it is necessary to have an understanding the basic physical and mathematical foundations of the models and to have an appreciation of how a particular atmospheric system works. Mesoscale Meteorological Modeling provides such an overview of mesoscale numerical modeling. Starting with fundamental concepts, this text can be used to evaluate the scientific basis of any simulation model that has been or will be developed. Basic material is provided for the beginner as well as more in-depth treatment for the specialist. This text is useful to both the practitioner and the researcher of the mesoscale phenomena.
