Further Studies of Barotropic Numerical Prediction of Hurricane Movement with the Use of a Fine Grid PDF Download
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Author: Gene E. Birchfield
Publisher:
ISBN:
Category : Atmospheric pressure
Languages : en
Pages : 34
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Book Description
Author: Gene E. Birchfield
Publisher:
ISBN:
Category : Atmospheric pressure
Languages : en
Pages : 34
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Book Description
Author: University of Chicago. Dept. of the Geophysical Sciences. Dynamical Prediction Group
Publisher:
ISBN:
Category : Geophysics
Languages : en
Pages : 408
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Book Description
Author: Masamori Miyazaki
Publisher:
ISBN:
Category : Hurricane Carla, 1961
Languages : en
Pages : 90
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Book Description
The storm surge of hurricane Carla 1961 in the Gulf of Mexico is computed by numerical integration of the dynamical equations, Input data consist of sea-level distributions of observed wind and pressure at six-hour intervals throughout the three-day period selected for the study. The computation is carried out in two steps. The first is on a rough mesh (mesh length 48 nautical miles) for the entire Gulf; bottom friction is disregarded in this step. The second is a finemesh computation (mesh length 9.6 nautical miles) on the northwestern continental shelf, where the storm surge was most prominent. Quadratic bottom friction is assumed in the latter step. The fine-mesh region is chosen so as to give good resolution in the neighborhood of Galveston, Texas. Computed variations of sea level are in good agreement with tide-gage observations in this region. (Author).
Author: Robert W. Jones
Publisher:
ISBN:
Category : Hurricane Audrey, 1957
Languages : en
Pages : 72
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Author: George W. Platzman
Publisher:
ISBN:
Category : Erie, Lake
Languages : en
Pages : 110
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Book Description
Author: George W. Platzman
Publisher:
ISBN:
Category : Gas flow
Languages : en
Pages : 72
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Book Description
Author: Frank Benson Lipps
Publisher:
ISBN:
Category : Atmospheric circulation
Languages : en
Pages : 52
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Book Description
Author: George W. Platzman
Publisher:
ISBN:
Category : Erie, Lake
Languages : en
Pages : 98
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Book Description
The longitudinal free oscillations of Lake Erie are investigated theoretically by numerical integration of the channel equations, and observationally by analysis of water-level covariance spectra. Good agreement is obtained between computed and observed periods of the first four modes, as well as between computed and observed amplitude. Particular attention is given to influence of the earth's rotation and to the effect of friction. The general conclusions are that the earth's rotation transforms the lowest longitudinal mode into an amphidromic wave with countererclockwise rotation of cotidal lines, but does not significantly affect the period of any mode. (Author).
Author: Frank Benson Lipps
Publisher:
ISBN:
Category : Atmospheric circulation
Languages : en
Pages : 74
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Book Description
Author: George W. Platzman
Publisher:
ISBN:
Category : Erie, Lake
Languages : en
Pages : 44
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Book Description
Variance and covariance spectra of Lake Erie hourly scaled water levels are analyzed with resolution 0.1 cycles per day (in some instances 0.05 cpd) in the frequency range 0 to 8 cpd for thirteen stations in the six-month summer period April through September 1958, and for some of these stations in the six-month winter period October 1958 through March 1959. The main contribution to variance spectra at most stations is the range 0 to 1 cpd. Inherent noise levels are between 10,000 and .001 sq. ft./cycles per day; scaling noise is at most about .0001 sq. ft./cycles per day. The most conspicuous features of summer variance spectra are strong and consistent peaks near 1.7 cpd (14.1 hr), 2.6 cpd (9.2 hr), 4.0 cpd (6.0 hr), and 5.8 cpd (4.1 hr), which correspond to the first four modes of longitudinal free oscillation of the Lake. A diurnal peak appears consistently in analysis with 0.1 cpd resolution; with 0.05 cpd resolution a distinct semi-diurnal peak emerges at 1.95 cpd (12.3 hr). Covariance spectra give phases consistent with the hypothesis that the fundamental mode of oscillation is an amphidromic Kelvin-type wave, in which there is counterclockwise rotation of the phase of high water. (Author).
