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Table 1 Geophysical excitation data used in this study

From: Can we explain the post-2015 absence of the Chandler wobble?

Data

Components

Data provided from

Data term

ESMGFZ (Dobslaw et al. 2010)

ECMWF AAM (atmospheric angular momentum)

Deutsches GeoForschngsZentrum (GFZ)

1976 ~ 2021

MPIOM OAM (oceanic angular momentum)

LSDM HAM (hydrospheric angular momentum)

NCEP + ECCO (Gross et al. 2003)

NCEP AAM

Paris Observatory

1962 ~ 2021 (A)

ECCO OAM

1962 ~ 2018 (O)

JRA-55 AAM (This Study)

JRA-55 AAM

Original JRA-55 data by Japan Meteorological Agency (JMA)

(Kobayashi et al. 2015)

1960 ~ 2021