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FIRST COEFFICIENTS OF DECOMPOSITION BY SPHERICAL FUNCTIONS OF THE SURFACE ATMOSPHERIC PRESSURE OF THE EUROPEAN RE-ANALYSIS PROJECT (ERA5)
Schmidt Institute of Physics of the Earth, Russian Academy of Sciences
Journal: Geophysical processes and biosphere
Tome: 19
Number: 2
Year: 2020
Pages: 92-106
UDK: 550.34.01
DOI: 10.21455/gpb2020.2-7
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SPIRIDONOV E.A., DESHEREVSKII A.V., VINOGRADOVA O.Y. FIRST COEFFICIENTS OF DECOMPOSITION BY SPHERICAL FUNCTIONS OF THE SURFACE ATMOSPHERIC PRESSURE OF THE EUROPEAN RE-ANALYSIS PROJECT (ERA5) // . 2020. Т. 19. № 2. С. 92-106. DOI: 10.21455/gpb2020.2-7
@article{SPIRIDONOVFIRST2020,
author = "SPIRIDONOV, E. A. and DESHEREVSKII, A. V. and VINOGRADOVA, O. Y.",
title = "FIRST COEFFICIENTS OF DECOMPOSITION BY SPHERICAL FUNCTIONS OF THE SURFACE ATMOSPHERIC PRESSURE OF THE EUROPEAN RE-ANALYSIS PROJECT (ERA5)",
journal = "Geophysical processes and biosphere",
year = 2020,
volume = "19",
number = "2",
pages = "92-106",
doi = "10.21455/gpb2020.2-7",
language = "English"
}
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Keywords: surface atmospheric pressure, re-analysis project ERA5, atmospheric mass, atmospheric gravimetric loading effect, vertical load displacements of the Earth’s surface, geocenter motion, atmospheric angular momentum (AAM), inverted barometer effect
Аnnotation: According to the re-analysis of the ERA5 data, the time series of the first coefficients (С00 , С10 , С11 , S11, С20 , С21 и S21 ) of the decomposition of the surface atmospheric pressure into spherical functions for 2000-2018 with a step of 1 hour are calculated. By values of these coefficients are calculated the average mass of the atmosphere, its seasonal changes and the loading gravimetric effect due to these changes, as well as the vertical loading displacements of the Earth’s surface. The series of coordinates of the geocenter motion as well as the excitation functions of the atmospheric angular momentum have been obtained.
