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Information Journal Paper

Title

A CASE STUDY COMPARISON OF THE DYNAMICAL STRUCTURE OF MODONS IN GEOPHYSICAL FLUIDS WITH BLOCKING EVENTS

Pages

  51-59

Abstract

 In this paper, we attempt to compare the dynamical structure of MODONs, as solutions for the QUASI-GEOSTROPHIC POTENTIAL VORTICITY equation in geophysical fluids and BLOCKINGs. To do this study, a BLOCKING event which was observed in December2002and had the same structure with EQUIVALENT BAROTROPIC MODON, was chosen. Then, the relevant synoptic maps in different pressure levels as well as QUASI-GEOSTROPHIC POTENTIAL VORTICITY (q) and stream function (y) maps in 300hPa were prepared. The results show the association between the appearance of a low cutoff value of q in QUASI-GEOSTROPHIC POTENTIAL VORTICITY maps at 300hPa levels and the intense high anomaly in the 500hPa geopotential height maps. In addition, the scatter diagram of q against y clearly shows the various dynamical features of the BLOCKING in both the blocked and non-blocked regions. Comparison of this diagram and the theoretical MODONs diagram indicates the similarity between the structure of atmospheric BLOCKING in westerly currents and theoretical MODONs.

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    APA: Copy

    AZAD, R.A., AHMADI GIVI, F., & MOHEB ALHOJEH, A.R.. (2008). A CASE STUDY COMPARISON OF THE DYNAMICAL STRUCTURE OF MODONS IN GEOPHYSICAL FLUIDS WITH BLOCKING EVENTS. IRANIAN JOURNAL OF GEOPHYSICS, 1(1), 51-59. SID. https://sid.ir/paper/133804/en

    Vancouver: Copy

    AZAD R.A., AHMADI GIVI F., MOHEB ALHOJEH A.R.. A CASE STUDY COMPARISON OF THE DYNAMICAL STRUCTURE OF MODONS IN GEOPHYSICAL FLUIDS WITH BLOCKING EVENTS. IRANIAN JOURNAL OF GEOPHYSICS[Internet]. 2008;1(1):51-59. Available from: https://sid.ir/paper/133804/en

    IEEE: Copy

    R.A. AZAD, F. AHMADI GIVI, and A.R. MOHEB ALHOJEH, “A CASE STUDY COMPARISON OF THE DYNAMICAL STRUCTURE OF MODONS IN GEOPHYSICAL FLUIDS WITH BLOCKING EVENTS,” IRANIAN JOURNAL OF GEOPHYSICS, vol. 1, no. 1, pp. 51–59, 2008, [Online]. Available: https://sid.ir/paper/133804/en

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