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Start Over Author "Z. Sokol" Journal advances in space research
2 results on '"Z. Sokol"'

1. Objective analysis of the relative humidity using enhanced surface observations of cloudiness and economically processed AVHRR data

Author

J. Krabec, Z. Sokol, and P. Kočíková

Subjects
Atmospheric Science, Meteorology, SYNOP, Cloud cover, Aerospace Engineering, Astronomy and Astrophysics, Objective analysis, Geophysics, Space and Planetary Science, General Earth and Planetary Sciences, Environmental science, Parametrization (atmospheric modeling), Relative humidity, Precipitation
Abstract

A method of objective analysis of the relative humidity using data from TEMP, SYNOP and AVHRR reports is presented. Its verification is carried out using a version of the prognostic mesomodel with parametrization of microphysical precipitation processes.

Published
1992
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2. Mesoscale analysis of cloud and humidity fields

Author

Z. Sokol, J. Krabec, P. Kočíková, and K. Hlavatý

Subjects
Atmospheric Science, Meteorology, SYNOP, business.industry, Weather forecasting, Mesoscale meteorology, Aerospace Engineering, Astronomy and Astrophysics, Image processing, Cloud computing, computer.software_genre, Weighting, Geophysics, Space and Planetary Science, Radiative transfer, General Earth and Planetary Sciences, Environmental science, Relative humidity, business, computer, Remote sensing
Abstract

Results of experiments including both the objective analysis of the relative humidity and the objective analysis of cloud parameters from TEMP, SYNOP, AVHRR and TOVS data are summarized. The suitability and appropriateness of different combinations of features for the class selection and the object classification from the AVHRR imagery are investigated. Results of different methods of the image processing are mutually compared, further they are compared with the subjective evaluation, with cloud parameters estimated from results obtained during computations of vertical temperature profiles using radiative transfer equation and finally with the objective analysis of the relative humidity for different choices of weighting functions and other parameters of the analysis process. The aim is to verify experimentally possibilities of the direct operational use of the processed imagery in the objective weather forecasting and in the numerical modelling of the phenomena in mesoscale.

Published
1989
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