Providing long-term trend and gravimetric factor at Chandler period from superconducting gravimeter records by using Singular Spectrum Analysis along with its multivariate extension

Marta Gruszczynska, INSTITUTE OF METEOROLOGY AND WATER MANAGEMENT - NATIONAL RESEARCH INSTITUTE, Warszawa, Poland, Severine Rosat, IPGS-EOST, Strasbourg, France, Anna Klos, Military University of Technology, Warszawa, Poland and Janusz Bogusz, Military University of Technology, Warsaw, Poland