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Spherical Analysis of the Geophysical Fields, Applications to Earth Rotation

Student: Elena Balakireva

Supervisor: Leonid Zotov

Faculty: HSE Tikhonov Moscow Institute of Electronics and Mathematics (MIEM HSE)

Educational Programme: Mathematical Methods of Modelling and Computer Technologies (Master)

Final Grade: 9

Year of Graduation: 2018

This investigation is devoted to application of spherical harmonic analysis to various geophysical data. Using program packages on C++, MATLAB and Python we analyzed dataset of global temperature from 1948 to 2018 provided by NCEP/NCAR Reanalysis project. The coefficients of the spherical harmonics up to the second power were found, their variability was analyzed using singular spectral analysis(SSA). The presence of long-term trends indicates an uneven process of temperature change on the planet.

Full text (added May 20, 2018)

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