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Abstract:
We compute displacements of global SLR station coordinates by atmospheric loading based on surface pressure
data from European Centre for Medium-Range Weather Forecasts (ECMWF) ERA-interim data. Inhouse we generate
two branches: firstly straightforward following Farrel’s theory but using updated load Love numbers, secondly
from utilizing localized Green’s functions instead of global ones. Externally provided displacements are available
f.i. from the International Mass Loading Service (IMLS) based on different input data and modeling. We compare
these displacements and apply them to Satellite Laser Ranging (SLR) data processing of a recent six years period
of the LAGEOS, LARES, AJISAI, STARLETTE and STELLA geodetic missions. We assess the impact of the
loading models on precise orbit determination and Earth parameters of interest.
