THE INTERFACE EFFECT AND THE FORMATION OF A LOW-LEVEL JET ALONG THE EAST SIDE OF THE ROCKY MOUNTAINS

Zhou Jun; Walter K. Henry

doi:10.1007/BF02677064

Impact Factor: 5.8

Volume 4 Issue 2

Apr. 1987

Article Contents

Article > ADVANCES IN ATMOSPHERIC SCIENCES > 1987 > 4(2): 175-184

THE INTERFACE EFFECT AND THE FORMATION OF A LOW-LEVEL JET ALONG THE EAST SIDE OF THE ROCKY MOUNTAINS

1.
Nanjing Institute of Meteorology, Nanjing,Texas A & M University, College Station, TX 77843-3146 U.S.A.

doi: 10.1007/BF02677064

Abstract
References
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Abstract:
Based upon the analysis of several different causes for the low-level jet along the east side of the Rocky Moun-tains, the concept of “Interface Effect” is established. The basic mechanism for the formation of the low-level jet in North America has been found to be the compression and divergence, under the driving of ageostrophic winds, of the air columns between two surfaces-the ground and the bottom of inversion-which slope with different patterns in a cross-section normal to the jet stream. As a result, the air parcel is accelerated along the stream-line and the anticyclonic shear of the current increased. Also, the diurnal variation of the jet is determined by the interface effect.
References

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Manuscript History

Manuscript received: 10 April 1987

Manuscript revised: 10 April 1987

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

THE INTERFACE EFFECT AND THE FORMATION OF A LOW-LEVEL JET ALONG THE EAST SIDE OF THE ROCKY MOUNTAINS

1. Nanjing Institute of Meteorology, Nanjing,Texas A & M University, College Station, TX 77843-3146 U.S.A.

Manuscript received: 1987-04-10
Manuscript revised: 1987-04-10

Abstract: Based upon the analysis of several different causes for the low-level jet along the east side of the Rocky Moun-tains, the concept of “Interface Effect” is established. The basic mechanism for the formation of the low-level jet in North America has been found to be the compression and divergence, under the driving of ageostrophic winds, of the air columns between two surfaces-the ground and the bottom of inversion-which slope with different patterns in a cross-section normal to the jet stream. As a result, the air parcel is accelerated along the stream-line and the anticyclonic shear of the current increased. Also, the diurnal variation of the jet is determined by the interface effect.