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Author: R.K. Smith
Publisher: Springer Science & Business Media
ISBN: 9401588287
Category : Science
Languages : en
Pages : 499
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Book Description
An up-to-date summary of our understanding of the dynamics and thermodynamics of moist atmospheric convection, with a strong focus on recent developments in the field. The book also reviews ways in which moist convection may be parameterised in large-scale numerical models - a field in which there is still some controversy - and discusses the implications of convection for large-scale flow. Audience: The book is aimed at the graduate level and research meteorologists as well as scientists in other disciplines who need to know more about moist convection and its representation in numerical models.
Author: R.K. Smith
Publisher: Springer Science & Business Media
ISBN: 9401588287
Category : Science
Languages : en
Pages : 499
Get Book Here
Book Description
An up-to-date summary of our understanding of the dynamics and thermodynamics of moist atmospheric convection, with a strong focus on recent developments in the field. The book also reviews ways in which moist convection may be parameterised in large-scale numerical models - a field in which there is still some controversy - and discusses the implications of convection for large-scale flow. Audience: The book is aimed at the graduate level and research meteorologists as well as scientists in other disciplines who need to know more about moist convection and its representation in numerical models.
Author: R. K. Smith
Publisher:
ISBN: 9789401588294
Category :
Languages : en
Pages : 512
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Book Description
Author: Robert S Plant
Publisher: World Scientific
ISBN: 1783266929
Category : Technology & Engineering
Languages : en
Pages : 1169
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Book Description
Precipitating atmospheric convection is fundamental to the Earth's weather and climate. It plays a leading role in the heat, moisture and momentum budgets. Appropriate modelling of convection is thus a prerequisite for reliable numerical weather prediction and climate modelling. The current standard approach is to represent it by subgrid-scale convection parameterization.Parameterization of Atmospheric Convection provides, for the first time, a comprehensive presentation of this important topic. The two-volume set equips readers with a firm grasp of the wide range of important issues, and thorough coverage is given of both the theoretical and practical aspects. This makes the parameterization problem accessible to a wider range of scientists than before. At the same time, by providing a solid bottom-up presentation of convection parameterization, this set is the definitive reference point for atmospheric scientists and modellers working on such problems.Volume 1 of this two-volume set focuses on the basic principles: introductions to atmospheric convection and tropical dynamics, explanations and discussions of key parameterization concepts, and a thorough and critical exploration of the mass-flux parameterization framework, which underlies the methods currently used in almost all operational models and at major climate modelling centres. Volume 2 focuses on the practice, which also leads to some more advanced fundamental issues. It includes: perspectives on operational implementations and model performance, tailored verification approaches, the role and representation of cloud microphysics, alternative parameterization approaches, stochasticity, criticality, and symmetry constraints.
Author: Kerry A. Emanuel
Publisher: Oxford University Press, USA
ISBN: 9780195066302
Category : Nature
Languages : en
Pages : 598
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Book Description
"[A]n excellent monograph by a leading atmospheric scientist...will be consulted by everyone interested in the complexities of dynamical meteorology and in the improvement of practical methods of climate and weather prediction."--Physics Today
Author: Robert S. Plant
Publisher:
ISBN:
Category : Atmospheric physics
Languages : en
Pages :
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Book Description
"This two-volume set combines theoretical and statistical physics ideas on convective parameterization with a wealth of information on the practical and operational use of parameterizations in weather forecast and climate models. The motivation for this approach is the assumption that future advances in the subject are most likely to arise from the application of theoretical concepts to practical problems, a feeling within the community that has led to the EU-funded COST Action investigative project. Contributors to the book are leading participants in Action, all of whom have devoted much attention over the last few years to building up a thorough knowledge of both theory and practice. Parameterization of Atmospheric Convection intends to equip theoretically oriented scientists with a firm grasp of the important practical issues, and vice versa to equip application-oriented scientists with a firm grasp of the important theoretical tools. This makes the parameterization problem accessible to a wider range of scientists than before. At the same time, by providing a solid bottom-up presentation of the principles and practice of parameterization, this two-volume set is the definitive reference point for current atmospheric scientists and modellers working on such problems"--Provided by publisher.
Author: Jun-Ichi Yano
Publisher: Elsevier
ISBN: 0323998011
Category : Science
Languages : en
Pages : 304
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Book Description
Geophysical Convection Dynamics, Volume Five provides a single source reference that enables researchers to go through the basics of geophysical convection. The book includes basics on the dynamics of convection, including linear stability analysis, weakly nonlinear theory, effect of rotation, and double diffusion. In addition, it includes detailed descriptions of fully developed turbulence in well-mixed boundary layers, a hypothesis of vertical homogeneity, effects of moisture, and the formation of clouds. The book focuses on the presentation of the theoretical methodologies for studying convection dynamics with an emphasis on geophysical application that is relevant to fields across the earth and environmental sciences, chemistry and engineering. Guides and prepares early-stage researchers to plunge directly into research Provides a synthesis of the existing literature on topics including linear stability analysis, weakly nonlinear theory, effect of rotation, double diffusion, description of fully developed turbulence in well-mixed boundary layers, hypothesis of vertical homogeneity, effects of moisture, formation of clouds at the top, and cloud-top entrainment instability Presents geophysical convection to readers as a common problem spanning the atmosphere, oceans, and the Earth's mantle
Author: Donald C. Norquist
Publisher:
ISBN:
Category : Computer programs
Languages : en
Pages : 0
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Book Description
An evaluation of the original version of the advanced physics moist convection parameterization revealed excessive heating and precipitation being produced by the scheme within the global spectral model. This report describes a series of corrections and modifications made to the parameterization software to improve its performance. Forecast experiments were conducted to determine the effectiveness of each modification. Turning off the entrainment formulation, using a newly developed scheme for computing the lifting condensation level and moist adiabat, employing a center-difference scheme for computing moisture convergence, and allowing evaporation of falling precipitation in the cloudy portion of the grid box yielded the most realistic convective heating and precipitation. This version of the convective scheme was used in a series of 10- day global spectral model forecasts. Global and zonal average distributions of precipitation agreed well with climatological estimates for the same months. Although the modified version of the scheme resulted in substantially reduced convective precipitation, it still produced more than was observed in areas of high climatological rainfall. In the tropics, the modified convective scheme produces too much precipitation in areas characterized by heavy precipitation, and not enough precipitation in the more arid regions. In the extratropics, wintertime convection downstream from continents (typically involved in cyclogenesis) was simulated by the model. Summertime convection over the United States was characterized by too little precipitation in the typically convectively active areas, and too much in the more convectively stable regions of the country.
Author: Board on Atmospheric Sciences and Climate
Publisher: National Academies Press
ISBN: 0309517656
Category : Science
Languages : en
Pages : 424
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Book Description
Technology has propelled the atmospheric sciences from a fledgling discipline to a global enterprise. Findings in this field shape a broad spectrum of decisions--what to wear outdoors, whether aircraft should fly, how to deal with the issue of climate change, and more. This book presents a comprehensive assessment of the atmospheric sciences and offers a vision for the future and a range of recommendations for federal authorities, the scientific community, and education administrators. How does atmospheric science contribute to national well-being? In the context of this question, the panel identifies imperatives in scientific observation, recommends directions for modeling and forecasting research, and examines management issues, including the growing problem of weather data availability. Five subdisciplines--physics, chemistry, dynamics and weather forecasting, upper atmosphere and near-earth space physics, climate and climate change--and their status as the science enters the twenty-first century are examined in detail, including recommendations for research. This readable book will be of interest to public-sector policy framers and private-sector decisionmakers as well as researchers, educators, and students in the atmospheric sciences.
Author: Kerry Emanuel
Publisher: Springer
ISBN: 1935704133
Category : Science
Languages : en
Pages : 242
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Book Description
This book presents descriptions of numerical models for testing cumulus in cloud fields. It is divided into six parts. Part I provides an overview of the problem, including descriptions of cumulus clouds and the effects of ensembles of cumulus clouds on mass, momentum, and vorticity distributions. A review of closure assumptions is also provided. A review of "classical" convection schemes in widespread use is provided in Part II. The special problems associated with the representation of convection in mesoscale models are discussed in Part III, along with descriptions of some of the commonly used mesoscale schemes. Part IV covers some of the problems associated with the representation of convection in climate models, while the parameterization of slantwise convection is the subject of Part V.
Author: Erich J. Plate
Publisher: Springer Science & Business Media
ISBN: 9401150583
Category : Science
Languages : en
Pages : 493
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Book Description
Studies of convection in geophysical flows constitute an advanced and rapidly developing area of research that is relevant to problems of the natural environment. During the last decade, significant progress has been achieved in the field as a result of both experimental studies and numerical modelling. This led to the principal revision of the widely held view on buoyancy-driven turbulent flows comprising an organised mean component with superimposed chaotic turbulence. An intermediate type of motion, represented by coherent structures, has been found to play a key role in geophysical boundary layers and in larger scale atmospheric and hydrospheric circulations driven by buoyant forcing. New aspects of the interaction between convective motions and rotation have recently been discovered and investigated. Extensive experimental data have also been collected on the role of convection in cloud dynamics and microphysics. New theoretical concepts and approaches have been outlined regarding scaling and parameterization of physical processes in buoyancy-driven geophysical flows. The book summarizes interdisciplinary studies of buoyancy effects in different media (atmosphere and hydrosphere) over a wide range of scales (small scale phenomena in unstably stratified and convectively mixed layers to deep convection in the atmosphere and ocean), by different research methods (field measurements, laboratory simulations, numerical modelling), and within a variety of application areas (dispersion of pollutants, weather forecasting, hazardous phenomena associated with buoyant forcing).
