[IGSMAIL-7420] IAG Symposia G06 Geodetic Remote Sensing

Schmidt, Michael mg.schmidt at tum.de
Thu Jan 26 12:03:39 PST 2017


Dear colleagues,


as you may know the joint Scientific Assembly of IAG (International Association of Geodesy) and IASPEI (International Association of Seismology and Physics of the Earth's Interior) will be held at the Kobe International Conference Center, Japan, from July 30 through August 4, 2017.

The proposed scientific program consists of in total 43 symposia (7 IAG, 27 IASPEI and 9 Joint symposia). Among them, you might be interested in particular in the


IAG Symposia

G06 Geodetic remote sensing

Convener: Michael Schmidt<mailto:mg.schmidt at tum.de> (Technische Universität München, Germany)

Co-convener: Jens Wickert (GFZ Potsdam, Germany), Felipe Nievinski (Federal University of Rio Grande do Sul, Brazil), Lung-Chih Tsai (National Central University, Taiwan), Yoshinori Shoji (Meteorological Research Institute, Japan)



Description of the Session:

In the context of this session the expression “Geodetic Remote Sensing” comprises atmosphere (including e.g. troposphere and ionosphere) monitoring, space weather studies as well as GNSS reflectometry. In general the Earth's atmosphere can be structured into various vertical layers depending on physical parameters such as temperature, water vapor or charge state. From the geodetic point of view the atmosphere is nowadays not only seen as a disturbing quantity which has to be corrected but also as a target quantity, since almost all geodetic measurement techniques provide valuable information about the atmospheric state. A prominent example for these developments is the operational use of ground- and space-based GNSS measurements to improve global and regional weather forecasts since 2006.

One of the major tasks in ionosphere research activities concerns the determination of physically relevant parameters from space geodetic observations to monitor ionosphere phenomena, such as the equatorial anomaly, and to perform space weather studies. Space weather and especially its impacts and risks are gaining more and more importance in politics and sciences, since our modern society is highly depending on space-borne techniques, e.g., for communication, navigation and positioning. Near real-time or even real-time approaches are currently under development, e.g. to monitor and analyse the state of the ionosphere, to predict ionosphere target parameters, or to optimize ultra-fast tropospheric products using data from GNSS permanent networks. Coupling processes between different atmospheric layers and inter-relations with climate change and natural hazards are further up-to-date topics. The backbone of all these studies and investigations is the integration of different geodetic observation techniques, consistent models and appropriate approaches following the goals of the Global Geodetic Observing System (GGOS).

Another important geodetic remote sensing technique is GNSS reflectometry (GNSS-R). After interacting with the neutral and ionized atmospheric layers, GNSS signals can be reflected off water, ice, and soil surface and exploited to derive geophysical properties of these surfaces as altimetric height, surface roughness, soil moisture, snow height, humidity or vegetation index. Such products are not only relevant for the geodetic community but also for an interdisciplinary geophysical user community with regard to important topics such as global sea-level monitoring, hydrological loading or drought/flooding observations.

In this session, contributions on atmosphere modeling including post-processing and (near) real-time approaches as well as studies on the combination of ground- and space-based geodetic observation techniques (including terrestrial GNSS, satellite altimetry, radio occultations, VLBI, DORIS) are welcome. Hereby we appreciate studies on the neutral and ionized atmosphere, including space weather related investigations, atmospheric coupling processes and climate change studies. We also welcome studies on GNSS reflectometry and related geophysical applications. Presentations on the estimation and forecast of atmospheric parameters (including atmospheric data assimilation) and on the usage of numerical weather models to improve GNSS positioning are other examples which would be appreciated.


As the conveners of the Session G06 we like to invite you to submit abstracts at http://www.iag-iaspei-2017.jp/  to our session.


Other information such as travel support, registration, accommodation and travel information can be found at the above site.

We are looking forward to your submission of abstracts.


Thanks and best regards,

Michael


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apl. Prof. Dr. Michael Schmidt
Technische Universität München
Deutsches Geodätisches Forschungsinstitut (DGFI-TUM)
Arcisstr. 21, 80333 München, Germany
phone: +49 89 23031 1123
email: mg.schmidt at tum.de
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