Eighth European Space Weather Week
November 28 - December 02, 2011 - Namur, Belgium


Splinter - Atmospheric Effects Topical Group
S. Bruinsma (CNES)
Thursday, Dec 1, 14:00-16:00

The high-level objective of the Atmospheric effects TG is the determination of the relationship between the neutral atmosphere structure and variability, and satellite drag. The following key questions are addressed:
  1. What are the scales (time and space) of the density and wind variability due to EUV radiation, geomagnetic disturbances, and forcing due to disturbances propagating from lower altitudes?
  2. Which indices should be used to represent solar EUV/UV and geomagnetic activity?
  3. What is the accuracy of upper atmosphere density and wind models (empirical or first-principles models), what are the shortages in terms of science? 4 - What is the accuracy of solar and geomagnetic activity forecasts?
  4. Which density data sets are pertinent to use in this study, i.e., for analysis and to improve models, and which information is missing (i.e., is there a key question we cannot address presently)?
The agenda:
  1. ATMOP - MURI/NADIR (US Air Force grant) workshop debriefing
  2. ATMOP (FP7) - present status
  3. ESA ITT GOCE + theme 3 "Air density and wind retrieval using GOCE data" - first results
  4. AOB


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