The Diffusion of Particles in the Atmospheric Surface Layer PDF Download
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Author: Michael A. Ratcliff
Publisher:
ISBN:
Category : Atmospheric diffusion
Languages : en
Pages : 544
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Book Description
Author: Michael A. Ratcliff
Publisher:
ISBN:
Category : Atmospheric diffusion
Languages : en
Pages : 544
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Book Description
Author: Alfred K. Blackadar
Publisher: Springer
ISBN: 3642604811
Category : Science
Languages : en
Pages : 185
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Book Description
This book grew out of an introductory course that I was invited to teach on a number of occasions to senior and graduate level students at the University of Kid. I have cherished these opportunities in part because I was never required to conduct examinations or give grades. For the students, however, my good fortune presented special problems that induced my sympathy: in addition to having to contend with a foreign language, they would eventually have to confront an examiner with his own ideas about what they should have learned. Although I always left a copy of my lecture notes with this person, they were too sketchy to be of much use. The present book is an attempt to solve some of these problems. The content is intended to be as broad as possible within the limitations of an introductory one-semester course. It aims at providing an insightful view of present understanding, emphasizing the methods and the history of their development. In particular I have tried to expose the power of intuitive reasoning - the nature of tensor invariants, the usefulness of dimensional analysis, and the relevance of scales of physical quantities in the inference of relationships. I know of no other subject that has benefited more from these important tools, which seem to be widely neglected in the teaching of more fundamental disciplines.
Author: Chin-Shun Lin
Publisher:
ISBN:
Category :
Languages : en
Pages : 246
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Book Description
Author: F. Pasquill
Publisher: Ellis Horwood
ISBN:
Category : Science
Languages : en
Pages : 446
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Book Description
Author: Jack E. Cermak
Publisher:
ISBN:
Category : Atmospheric diffusion
Languages : en
Pages : 153
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Book Description
The diffusion of a neutrally buoyant gas emitted from point sources into neutral, stable, and unstable boundary layers that simulated atmospheric conditions were studied in a meteorological wind tunnel for flow over two surface roughnesses. Measurements were made of the mean flow velocities and temperatures, turbulence intensities, velocity correlations, and gas concentrations in the diffusing plume. Empirical models were developed for predicting diffusion under all three stabilities studied. (Author).
Author: G.T. Csanady
Publisher: Springer Science & Business Media
ISBN: 9401025274
Category : Science
Languages : en
Pages : 261
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Book Description
The rather excessive public preoccupation of the immediate past with what has been labeled the 'environmental crisis' is now fortunately being replaced by a more sus tained and rational concern with pollution problems by public administrators, engineers, and scientists. It is to be expected that members of the engineering profes sion will in the future widely be called upon to design disposal systems for gaseous and liquid wastes which meet strict pollution control regulations and to advise on possible improvements to existing systems of this kind. The engineering decisions involved will have to be based on reasonably accurate quantitative predictions of the effects of pollutants introduced into the atmosphere, ocean, lakes and rivers. A key input for such calculations comes from the theory of turbulent diffusion, which enables the prediction of the concentrations in which pollutants may be found in the neighborhood of a release duct, such as a chimney or a sewage outfall. Indeed the role of diffusion theory in pollution prediction may be likened to the role of applied mechanics (,strength of materials') in the design of structures for adequate strength. At least a certain group of engineers will have to be proficient in applying this particular branch of science to practical problems. At present, training in the theory of turbulent diffusion is available only at the gra duate level and then only in a very few places.
Author: J. R. Garratt
Publisher: Cambridge University Press
ISBN: 9780521467452
Category : Mathematics
Languages : en
Pages : 340
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Book Description
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: Hadassah Kaplan
Publisher: Springer Science & Business Media
ISBN:
Category : Science
Languages : en
Pages : 472
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Book Description
The 35th OHOLO Conference provided the basis for this text and covered a range of topics. Basic studies and newly developed methods in modelling atmospheric flows are discussed, besides analyses of concentration fluctuations in different atmospheric conditions and techniques of data acquisition.
Author: Pertti Hari
Publisher: Springer Science & Business Media
ISBN: 9400756038
Category : Science
Languages : en
Pages : 541
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Book Description
This book introduces a holistic synthesis of carbon and nitrogen fluxes in forest ecosystems from cell to stand level during the lifetime of trees. Establishing that metabolism and physical phenomena give rise to concentration, pressure and temperature differences that generate the material and energy fluxes between living organisms and their environment. The editors and authors utilize physiological, physical and anatomical background information to formulate theoretical ideas dealing with the effects of the environment and the state of enzymes, membrane pumps and pigments on metabolism. The emergent properties play an important role in the transitions from detailed to more aggregate levels in the ecosystem. Conservation of mass and energy allow the construction of dynamic models of carbon and nitrogen fluxes and pools at various levels in the hierarchy of forest ecosystems.
Author: Eiichi Inoue
Publisher:
ISBN:
Category :
Languages : en
Pages : 17
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Book Description
