Numerical Weather Prediction And Data Assimilation
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Numerical Weather Prediction and Data Assimilation
Author | : Petros Katsafados,Elias Mavromatidis,Christos Spyrou |
Publsiher | : John Wiley & Sons |
Total Pages | : 250 |
Release | : 2020-07-16 |
Genre | : Mathematics |
ISBN | : 9781119701002 |
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This book has as main aim to be an introductory textbook of applied knowledge in Numerical Weather Prediction (NWP), which is a method of weather forecasting that employs: A set of equations that describe the flow of fluids translated into computer code, combined with parameterizations of other processes, applied on a specific domain and integrated in the basis of initial and domain boundary conditions. Current weather observations serve as input to the numerical computer models through a process called data assimilation to produce atmospheric properties in the future (e.g. temperature, precipitation, and a lot of other meteorological parameters). Various case studies will be also presented and analyzed through this book.
Atmospheric Modeling Data Assimilation and Predictability
Author | : Eugenia Kalnay |
Publsiher | : Cambridge University Press |
Total Pages | : 368 |
Release | : 2003 |
Genre | : Mathematics |
ISBN | : 0521796296 |
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This book, first published in 2002, is a graduate-level text on numerical weather prediction, including atmospheric modeling, data assimilation and predictability.
Uncertainties in Numerical Weather Prediction
Author | : Haraldur Olafsson,Jian-Wen Bao |
Publsiher | : Elsevier |
Total Pages | : 366 |
Release | : 2020-11-25 |
Genre | : Computers |
ISBN | : 9780128157107 |
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Uncertainties in Numerical Weather Prediction is a comprehensive work on the most current understandings of uncertainties and predictability in numerical simulations of the atmosphere. It provides general knowledge on all aspects of uncertainties in the weather prediction models in a single, easy to use reference. The book illustrates particular uncertainties in observations and data assimilation, as well as the errors associated with numerical integration methods. Stochastic methods in parameterization of subgrid processes are also assessed, as are uncertainties associated with surface-atmosphere exchange, orographic flows and processes in the atmospheric boundary layer. Through a better understanding of the uncertainties to watch for, readers will be able to produce more precise and accurate forecasts. This is an essential work for anyone who wants to improve the accuracy of weather and climate forecasting and interested parties developing tools to enhance the quality of such forecasts. Provides a comprehensive overview of the state of numerical weather prediction at spatial scales, from hundreds of meters, to thousands of kilometers Focuses on short-term 1-15 day atmospheric predictions, with some coverage appropriate for longer-term forecasts Includes references to climate prediction models to allow applications of these techniques for climate simulations
Data Assimilation
Author | : William Lahoz,Boris Khattatov,Richard Menard |
Publsiher | : Springer Science & Business Media |
Total Pages | : 710 |
Release | : 2010-07-23 |
Genre | : Science |
ISBN | : 9783540747031 |
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Data assimilation methods were largely developed for operational weather forecasting, but in recent years have been applied to an increasing range of earth science disciplines. This book will set out the theoretical basis of data assimilation with contributions by top international experts in the field. Various aspects of data assimilation are discussed including: theory; observations; models; numerical weather prediction; evaluation of observations and models; assessment of future satellite missions; application to components of the Earth System. References are made to recent developments in data assimilation theory (e.g. Ensemble Kalman filter), and to novel applications of the data assimilation method (e.g. ionosphere, Mars data assimilation).
Numerical Weather Prediction Activities Report
Author | : United States. National Weather Service |
Publsiher | : Unknown |
Total Pages | : 52 |
Release | : 2024 |
Genre | : Meteorological instruments |
ISBN | : PSU:000072834633 |
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Dynamic Meteorology Data Assimilation Methods
Author | : L. Bengtsson,M. Ghil,E. Källen |
Publsiher | : Springer |
Total Pages | : 330 |
Release | : 2012-01-21 |
Genre | : Science |
ISBN | : 1461259711 |
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One of the main reasons we cannot tell what the weather will be tomorrow is that we do not know accurately enough what the weather is today. Mathematically speaking, numerical weather prediction (NWP) is an initial-value problem for a system of nonlinear partial differential equations in which the necessary initial values are known only incompletely and inaccurately. Data at the initial time of a numerical forecast can be supplemented, however, by observations of the atmos phere over a time interval preceding it. New observing systems, in particular polar-orbiting and geostationary satellites, which are providing observations continuously in time, make is absolutely necess ary to find new and more satisfactory methods of assimilating meteorological observations - for the dual purpose of defining atmospheric states and of issuing forecasts from the states thus defined. FUndamental progress in this area has been made in recent years and this book attempts to give a review and some suggestions for further improvements in the field of meteorological data assimila tion methods. The European Centre for Medium Range Weather Forecasts (ECMWF) every year organises seminars for the benefit of meteorologists and geophysicists of the ECMWF Member states. The 1980 Seminar was devoted to data assimilation methods, and this book contains selected lectures from that seminar. The purpose of the seminar was twofold: it was intended to give a basic introduction to the subject, as well as an overview of the latest developments in the field.
Atmospheric Modeling Data Assimilation and Predictability
Author | : Eugenia Kalnay |
Publsiher | : Cambridge University Press |
Total Pages | : 364 |
Release | : 2003 |
Genre | : Mathematics |
ISBN | : 9780521791793 |
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This book, first published in 2002, is a graduate-level text on numerical weather prediction, including atmospheric modeling, data assimilation and predictability.
Data Assimilation for Atmospheric Oceanic and Hydrologic Applications Vol II
Author | : Seon Ki Park,Liang Xu |
Publsiher | : Springer Science & Business Media |
Total Pages | : 736 |
Release | : 2013-05-22 |
Genre | : Science |
ISBN | : 9783642350887 |
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This book contains the most recent progress in data assimilation in meteorology, oceanography and hydrology including land surface. It spans both theoretical and applicative aspects with various methodologies such as variational, Kalman filter, ensemble, Monte Carlo and artificial intelligence methods. Besides data assimilation, other important topics are also covered including targeting observation, sensitivity analysis, and parameter estimation. The book will be useful to individual researchers as well as graduate students for a reference in the field of data assimilation.