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S. Verhagen, G. Retscher, M. Santos, X. Ding, Y. Gao, S. Jin:
"Positioning and applications for planet Earth";
accepted for publication in: "Papers presented at the IAG 2009 Conference `Geodesy for Planet Earth´, August 31 - September 4, 2009, Buenos Aires, Argentinia", Springer, 2009.

GNSS, InSAR and LIDAR are identified as important techniques when it comes to monitoring and remote sensing of our planet Earth and its atmosphere. Examples of applications are: environmental monitoring; volcano monitoring, land slides, tectonic motion, deforming structures; atmosphere modelling; ocean remote sensing. Hence, applications at local and regional scales, as well as at global scales will be considered. The main issues can be summarized as: need for a better understanding of processes, leading to better models; need for observational material; adequate modelling techniques.