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  • Articles  (5)
  • Monsoon  (5)
  • Springer  (5)
  • 2005-2009
  • 1980-1984  (5)
  • 1965-1969
  • 1925-1929
  • Geosciences  (5)
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  • Articles  (5)
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  • Springer  (5)
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  • 1
    Electronic Resource
    Electronic Resource
    Meridional transport of sensible heat in contrasting monsoon activity: Spherical harmonic analysis (1982)
    Springer
    Pure and applied geophysics 120 (1982), S. 229-248 
    Details
    ISSN: 1420-9136
    Keywords: Meridional transport ; Monsoon ; Sensible heat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract Spherical harmonic analysis is made of the grid point values of geopotential heights at 700 mb and 300 mb levels for the months April to August for the years 1967 and 1972. The year 1967 is a good monsoon year and 1972 is a bad monsoon year in India. Meridional transport of sensible heat is obtained in wave number domain using spherical harmonic coefficients at 500 mb level form=1 to 10 andn−m=0 to 10, wherem represents the wave number round the globe andn−m gives the numbers of zero points from north pole to south pole excluding the poles themselves. Large northward transports of sensible heat in the month of May and in the monsoon months at the subtropics are characteristic of bad monsoon. Wave 1 transports sensible heat southward (forn−m=0) and wave 2 transports sensible heat northward (forn−m=4). Strengthening of wave 1 is conducive to good monsoon year and strengthening of wave 2 is conducive to bad monsoon year. These are the same features obtained in Fourier analysis. The contrasting features exist in waves 1 and 2 both in good and in bad monsoon and are better defined in the present analysis than in the Fourier analysis of the earlier study. However, waves 1 and 2 reveal clearer contrast in the present analysis than in the Fourier analysis. Bad monsoon activity is associated with large divergence of heart at subtropics and large convergence of heat at extra tropics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00877034
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Results of the studies of monsoon circulation with radon as a tracer (1984)
    Springer
    Pure and applied geophysics 122 (1984), S. 124-132 
    Details
    ISSN: 1420-9136
    Keywords: Monsoon ; Radon ; MONEX ; Equator ; Arabian Sea ; Indian ocean ; Interhemispheric mixing
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract Radon-222 activity levels have been measured at deck level in regions of the Arabian Sea, Indian Ocean, and Bay of Bengal during the summer monsoon periods of 1973, 1977, and 1979, as part of the Monex programme. The aim of the measurements was to find the source regions of the monsoon air and the variations in its composition under different synoptic conditions. The radon data confirm that the monsoon air is predominantly of southern-hemisphere origin, with a small continental component. The continental component, as indicated by radon values, increases at higher latitudes and seems to vary with different circulation patterns in the synoptic scale. The use of radon as a tracer in monsoon studies is thus demonstrated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00879653
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  • 3
    Electronic Resource
    Electronic Resource
    Water vapour transport of the pre-monsoon period and the general performance of the Indian summer monsoon (1982)
    Springer
    Pure and applied geophysics 120 (1982), S. 67-78 
    Details
    ISSN: 1420-9136
    Keywords: Monsoon ; Transport ; Tropical meteorology ; Water vapour
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract The advective monthly mean transfer of water vapour in the layer below 700 mbar is investigated for India for the years 1962 to 1972 and for the months January to September. The average zonal and meridional components of the transfer of water vapour for India are obtained. They are further averaged for different combinations of the pre-monsoon months from January to May and are correlated with the summer monsoon rainfall. The correlation coefficients for zonal transfer of water vapour are either negative or small positive for different combinations of the months mentioned above. The correlation coefficients for the meridional transfer of water vapour are positive. The maximum value is 0.74 for the March to May combination and is statistically significant at the 1% level. An extensive investigation is, therefore, made for the March to May averages of water vapour transfer for four broad regions of India. The parameters of water vapour transfer for these regions are compared with the threshold values and the prediction category, normal or drought, for the subsequent summer monsoon season is determined for all years. The correlation coefficient between the index of drought, as determined from parameters of water vapour transport and rainfall departure, is statistically significant at the 2% level.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00879427
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  • 4
    Electronic Resource
    Electronic Resource
    A note on the necessary condition for baroclinic instability of monsoon zonal current (1982)
    Springer
    Pure and applied geophysics 120 (1982), S. 453-462 
    Details
    ISSN: 1420-9136
    Keywords: Baroclinic instability ; Monsoon ; Zonal current
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract Analytic expressions are derived for the minimum easterly and westerly jet strengths necessary for baroclinic instability, in terms of their half-widths and location. For this purpose the necessary condition for an internal jet is utilized and the jets and static stability are represented by simple mathematical functions. Dependency of the minimum jet strengths to their half-width and location are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00879829
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  • 5
    Electronic Resource
    Electronic Resource
    Application of a stochastic model to the frequency and duration of monsoon rainfall (1982)
    Springer
    Pure and applied geophysics 120 (1982), S. 79-94 
    Details
    ISSN: 1420-9136
    Keywords: Monsoon ; Rainfall ; Tropical meteorology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract The paper deals with an application of a stochastic model to the frequency and duration of precipitation events. With the aid of the model, the magnitudes ofmth highest rainfall amount in 24 hours' duration with 97.5% probability are obtained for various climatic regimes over a tropical monsoon region. There is good agreement between them-day minimum rainfall estimated through the model and the observed value. The model satisfactorily explains the frequency of the extreme rainfall event.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00879428
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