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:: A New Atmosphere

Kristine C. Harper

in Weather by the Numbers: The Genesis of Modern Meteorology

Published in print:
2008
Published Online:
August 2013
ISBN:
9780262083782
eISBN:
9780262274982
Item type:
chapter
Publisher:
The MIT Press
DOI:
10.7551/mitpress/9780262083782.003.0009
Subject:
Society and Culture, Technology and Society

The opening of the new Joint Numerical Weather Prediction Unit marked the end of the preliminary research period, but it was just the beginning of the worldwide spread of numerical weather ... More


:: An International Atmosphere: Carl-Gustav Rossby and the Scandinavian Connection (1948–1950)

Kristine C. Harper

in Weather by the Numbers: The Genesis of Modern Meteorology

Published in print:
2008
Published Online:
August 2013
ISBN:
9780262083782
eISBN:
9780262274982
Item type:
chapter
Publisher:
The MIT Press
DOI:
10.7551/mitpress/9780262083782.003.0006
Subject:
Society and Culture, Technology and Society

This chapter discusses how Carl-Gustav Rossby’s research school not only influenced international meteorology generally, but also overcame the initial skepticism of both theoretical and applied ... More


Data assimilation in meteorology

F. Rabier and M. Fisher

in Advanced Data Assimilation for Geosciences: Lecture Notes of the Les Houches School of Physics: Special Issue, June 2012

Published in print:
2014
Published Online:
March 2015
ISBN:
9780198723844
eISBN:
9780191791185
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198723844.003.0019
Subject:
Physics, Geophysics, Atmospheric and Environmental Physics

This chapter discusses some of the implementation details that are necessary to apply data assimilation in the context of numerical weather prediction (NWP). It is divided into three parts. The first ... More


Four-dimensional variational data assimilation

A. C. Lorenc

in Advanced Data Assimilation for Geosciences: Lecture Notes of the Les Houches School of Physics: Special Issue, June 2012

Published in print:
2014
Published Online:
March 2015
ISBN:
9780198723844
eISBN:
9780191791185
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198723844.003.0002
Subject:
Physics, Geophysics, Atmospheric and Environmental Physics

In this chapter, four-dimensional variational data assimilation (4D-VAR) is discussed in the context of numerical weather prediction (NWP). The analysis step in an NWP data assimilation cycle ... More


Observation impact on the short-range forecast

C. Cardinali

in Advanced Data Assimilation for Geosciences: Lecture Notes of the Les Houches School of Physics: Special Issue, June 2012

Published in print:
2014
Published Online:
March 2015
ISBN:
9780198723844
eISBN:
9780191791185
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198723844.003.0006
Subject:
Physics, Geophysics, Atmospheric and Environmental Physics

This chapter describes the concept of forecast error sensitivity to observations (FSO) and its use for diagnostic purposes. Assessment of the observational contribution to analysis and forecasting is ... More


Cloud-controlling Factors

A. Pier Siebesma Rapporteur, Jean-Louis Brenguier, Christopher S. Bretherton, Wojciech W. Grabowski, Jost Heintzenberg, Bernd Kärcher, Katrin Lehmann, Jon C. Petch, Peter Spichtinger, Bjorn Stevens, and Frank Stratmann

in Clouds in the Perturbed Climate System: Their Relationship to Energy Balance, Atmospheric Dynamics, and Precipitation

Published in print:
2009
Published Online:
August 2013
ISBN:
9780262012874
eISBN:
9780262255448
Item type:
chapter
Publisher:
The MIT Press
DOI:
10.7551/mitpress/9780262012874.003.0012
Subject:
Environmental Science, Climate

This chapter addresses the shortcomings that emerge in global climate models attributable to the interactions between resolved and parametized unresolved cloud-related processes (convection, ... More


Observation influence diagnostic of a data assimilation system

C. Cardinali

in Advanced Data Assimilation for Geosciences: Lecture Notes of the Les Houches School of Physics: Special Issue, June 2012

Published in print:
2014
Published Online:
March 2015
ISBN:
9780198723844
eISBN:
9780191791185
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198723844.003.0005
Subject:
Physics, Geophysics, Atmospheric and Environmental Physics

This chapter presents the concept of the influence matrix. Because of the cost and the possible redundancy of observations, particularly in numerical weather prediction systems, quantifying the ... More


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