[IGSMAIL-7408] EGU GA 2017: GNSS Atmospheric Session G5.2/AS4.44/CL2.20

Thu Jan 5 08:44:05 PST 2017

** We apologize for multiple posting **
Dear colleague,
The next General Assembly of the European Geosciences Union will be held in Vienna, Austria, 23-28 April 2017.

We would like to draw your attention to session G5.2/AS4.44/CL2.20  Atmospheric Remote Sensing with Space Geodetic Techniques (co-organized)

The description of the session is given below and it can also be found at http://meetingorganizer.copernicus.org/EGU2017/session/22882

We encourage you to participate in it by submitting abstracts.

Here is a link about how to submit an abstract: http://egu2017.eu/abstract_management/how_to_submit_an_abstract.html

Notice that the DEADLINE FOR ABSTRACT SUBMISSION IS 11 JANUARY 2017

We are looking forward to welcoming you in Vienna!

We wish you a healthy and successful 2017.

Rosa Pacione, Henrik Vedel and Norman Teferle

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Today atmospheric remote sensing of the neutral atmosphere with space geodetic techniques is an established field of research and applications.

This is largely due to the technological advances and development of models and algorithms as well as, the availability of regional and global ground-based

networks, and satellite-based missions. Water vapour is under sampled in current operational meteorological and climate observing systems. Advancements

in Numerical Weather Prediction Models (NWP) to improve forecasting of extreme precipitation, requires GNSS troposphere products with a higher resolution

in space and shorter delivery times than are currently in use. Homogeneously reprocessed GNSS observations on a regional and global scale have high potential

for monitoring water vapour climatic trends and variability, and for assimilation into climate models. Unfortunately, these time series suffer from inhomogeneities

(for example instrumental changes, changes in the station environment), which can affect the analysis of the long-term variability. NWP data have recently

been used for deriving a new generation of mapping functions and in Real-Time GNSS processing these data can be employed to initialise Precise Point Positioning (PPP) processing algorithms, shortening convergence times and improving positioning. At the same time, GNSS-reflectometry is establishing itself as an alternative method for retrieving soil moisture.
We welcome, but not limit, contributions on the subjects below: Physical modelling of the neutral atmosphere using ground-based and radio-occultation data.

Multi-GNSS and multi-instruments approaches to retrieve and inter-compare tropospheric parameters. Real-Time and reprocessed tropospheric products for forecasting,

now-casting and climate monitoring applications. Assimilation of GNSS measurements in NWP and in climate models. Methods for homogenization of long-term GNSS tropospheric products. Studies on mitigating atmospheric effects in GNSS positioning and navigation, as well as observations at radio wavelengths. Usage of NWP data

in PPP processing algorithms. Techniques on retrieval of soil moisture from GNSS observations and studies of ground-atmosphere boundary interactions.

[e-GEOS S.p.A.]

Rosa Pacione
Operational Programs

Contrada Terlecchie - 75100 Matera - Italy
Ph: +39 0835 377 556 | Fax: +39 06 4099-9973
rosa.pacione at e-geos.it
e-GEOS.it<http://www.e-geos.it/>

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