A Study of the Flow of Angular Momentum in the Atmosphere

Widger, William K.

doi:10.1175/1520-0469(1949)006<0292:asotfo>2.0.co;2

Cited by 75 publications

(9 citation statements)

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“…One may expect that the estimation of the angular momenta is reasonably accurate, but, as has been mentioned, the calculation of the torques is fraught with uncertainties. Early attempts to deal with these difficulties by Widger [1949], White [1949], Newton [1971], and others (see Rosen [1993] for a review) were hampered by the lack of global analyses. The beginning of the modern era of angular momentum budget calculations can be traced to Swinbank [1985], who used global analyses of the Global Weather Experiment (GWE) to calculate the axial angular momentum [see also Wahr and Oort , 1984].…”

Section: Interaction Of Torques and Angular Momentummentioning

confidence: 99%

Angular momentum in the global atmospheric circulation

Egger¹,

Weickmann

Hoinka

2007

Reviews of Geophysics

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[1] Angular momentum is a variable of central importance to the dynamics of the atmosphere both regionally and globally. Moreover, the angular momentum equations yield a precise description of the dynamic interaction of the atmosphere with the oceans and the solid Earth via various torques as exerted by friction, pressure against the mountains and the nonspherical shape of the Earth, and by gravity. This review presents recent work with respect to observations and the theory of atmospheric angular momentum of large-scale motions. It is mainly the recent availability of consistent global data sets spanning decades that sparked renewed interest in angular momentum. In particular, relatively reliable estimates of the torques are now available. In addition, a fairly wide range of theoretical aspects of the role of angular momentum in atmospheric large-scale dynamics is covered.

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Section: Interaction Of Torques and Angular Momentummentioning

confidence: 99%

Angular momentum in the global atmospheric circulation

Egger¹,

Weickmann

Hoinka

2007

Reviews of Geophysics

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“…In a classical study on the flow of angular momentum in the atmosphere, Widger (1948) studied the generation and transport of angular momentum. Equations for the rate of change of momentum in terms of mountain, friction torques and momentum transport were used in his study.…”

Section: Review O F Earlier Work On Angular Momentummentioning

confidence: 99%

“…An illustration following the work of Widger (1948) and Peixoto and Oort (1984) Can be constructed to illustrate the horizontal and vertical flow of angular momentum. Such a streamfunction satisfies a continuity equation i. e., however it is somewhat artificial since it assumes no sources or sinks by satisfying a continuity equation.…”

Section: Angular Momentum Transport Stream Functionmentioning

confidence: 99%

Angular Momentum, Length of Day and Monsoonal Low Frequency Mode

Krishnamurti¹,

Sinha²,

Krishnamurti³

et al. 1992

Journal of the Meteorological Society of Japan

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“…Since the initial studies of the writer and his co-workers (see Widger, 1949), greater and greater assemblies of data were put together for the northern hemisphere and also (one year) for the southern, the latter being something of an experiment conducted by Obasi (1963Obasi ( , 1965. The purpose continued to be to study the dynamic properties of the atmosphere from observations.…”

Section: Some Current Developmentsmentioning

confidence: 99%

Untitled

1973

Tellus

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A brief sketch of the development of terrestrial atmospheric general circulation studies is given in such fashion as t o illuminate the current thinking and research being performed on the subject. The successive stages of progress are examined from the point of view of the search for better formulations of the problem, which would lessen the chance of erroneous closure assumptions. It becomes obvious that according to this criterion the primitive equation solutions represent the beat numerical treatment. Stress is placed upon the necessity of observational studies to give us, ideally at least, the most correct picture of the mechanics of the general circulation-a contention amply attested t o by the history of the subject. Some suggestions for future theoretical and observational research are included.

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A Study of the Flow of Angular Momentum in the Atmosphere

Cited by 75 publications

References 0 publications

Angular momentum in the global atmospheric circulation

Angular momentum in the global atmospheric circulation

Angular Momentum, Length of Day and Monsoonal Low Frequency Mode

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