Dec 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agufmsa11b..06m&link_type=abstract
American Geophysical Union, Fall Meeting 2002, abstract #SA11B-06
Other
7899 General Or Miscellaneous
Scientific paper
The launch of NASA's Thermosphere Ionosphere Mesosphere Energetics and Dynamics (TIMED) spacecraft on December 7, 2001 coupled with collaborative efforts supported by the NSF CEDAR program, has inaugurated a new era in the study of the Sun-Earth Connection (SEC). The goal of SEC science is to trace the flow of energy from the Sun into the Earth's atmosphere. We have studied most of the individual elements in this chain, but the TIMED launch put in place the final link. It is already clear that TIMED and CEDAR/TIMED data will enable us to greatly expand our understanding of the energetics and dynamics of the upper atmosphere. The TIMED launch has, however, also catalyzed studies in many areas outside of its prime region of interest. With TIMED in place we have, in combination with an already substantial fleet of other spacecraft and an extensive collaborating ground-based community, for the first time, instrumentation in position to study energy flow all the way from the center of the Sun to the surface of the Earth. The fact that the effects of solar activity can now be traced down into the atmosphere is leading to a new paradigm in SEC studies in which researchers focus on understanding the processes that connect different regions rather than detailing the properties of one or another specific area. This is being ably demonstrated by the ongoing study of the April 14 to 24, 2002, period, which is rich in both the variety of geophysical phenomena that are observed and the availability of the data with which to explore and characterize these phenomena. Several examples of the sorts of new perspective that TIMED has fostered will be presented.
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