[IGSMAIL-8001] vEGU2021: Numerical Weather Prediction Data for Space Geodesy

[Kyriakos Balidakis]

Author: Kyriakos Balidakis

Dear colleagues,

Do you work with numerical weather prediction to model observations of 
geodetic interest? Do you study weather-driven variations in crustal 
deformation, the gravity field, atmospheric delays, or Earth's rotation?

If yes, we would like to invite you to join us in sharing relevant 
research during the next EGU General Assembly (online, April 19-30, 
2021). Our session "Numerical Weather Prediction Data for Space Geodesy" 
falls under the "Geodesy" block and is co-organized by "Atmospheric 
Sciences" and "Hydrological Sciences". For the session description, 
please visit
{
https://meetingorganizer.copernicus.org/EGU21/session/39901
}
or read below, and to contribute, please turn in your abstract by 
January 13, 2021, 13:00 CET.

Should you have any questions, please do not hesitate to contact us.

We look forward to having your research feature in our session!

Best regards,
Kyriakos Balidakis,
Jean-Paul Boy,
Henryk Dobslaw, and
Richard Gross

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Session description

G3.2: Numerical Weather Prediction Data for Space Geodesy

Weather largely drives space geodetic sensor data, that is, signal delay 
due to atmospheric refraction, as well as site displacements, Earth 
rotation fluctuations and gravity field variations due to mass 
redistribution within Earth’s fluid envelope (atmosphere, oceans, and 
continental hydrology). State-of-the-art numerical weather prediction 
provides the resources to approximate these geodetic estimates either 
for re-analysis or forecasting purposes, thus enhancing the related 
geodetic analysis. The growing number and accuracy of meteorological 
observations, the deeper understanding of the underlying dynamics, and 
the allocation of high-performance computing facilities have rendered 
modern numerical weather models capable of representing and predicting 
the atmospheric state with unprecedented accuracy. While the fact that 
more accurately represented driving agents (pressure, temperature, 
humidity, and wind are but a few) result in more reliable geophysical 
modeling holds true to a certain extend, it is critically important that 
the derived geodetic models are utilized properly. Therefore, the fusion 
approach is of particular interest.

Sought are contributions from geodesists, astronomers, meteorologists, 
and Earth system scientists working on the exploitation of weather 
models to improve geodesy. We welcome - but not limit ourselves to - 
contributions discussing the efficient handling of the ever-growing 
hydrometeorological data volume stemming from increased spatio-temporal 
resolutions, and studies utilizing meso-beta (e.g., ERA5), meso-gamma 
scale (e.g., COSMO-DE) weather models or other means to approximate 
parameters such as atmospheric delays, non-tidal geophysical loading 
displacements, and length-of-day fluctuations, and fuse them with 
geodetic observations from e.g., GNSS, very long baseline 
interferometry, satellite laser ranging, and InSAR.

-- 
Dr.-Ing. Kyriakos Balidakis
Section 1.1, Space Geodetic Techniques
Phone: +49 (0)331 288 1183
Fax: +49 (0)331 288 1111
Email: kyriakos.balidakis at gfz-potsdam.de
___________________________________

Helmholtz Centre Potsdam
GFZ German Research Centre for Geosciences
Foundation under public law of the federal state
of Brandenburg
Telegrafenberg A17, D-14473 Potsdam


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