Overview of One Aspect of the Sun-Earth Connection during the April 2002 Events: the "Magnetospheric Driver" Chain

Details Overview of One Aspect of the Sun-Earth Connection during the April 2002 Events: the "Magnetospheric Driver" Chain Overview of One Aspect of the Sun-Earth Connection during the April 2002 Events: the "Magnetospheric Driver" Chain

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agufmsa11b..04z&link_type=abstract

American Geophysical Union, Fall Meeting 2002, abstract #SA11B-04

Physics

2111 Ejecta, Driver Gases, And Magnetic Clouds, 2407 Auroral Ionosphere (2704), 2708 Current Systems (2409), 9820 Techniques Applicable In Three Or More Fields

Scientific paper

We focus on tracing a series of space storm disturbances from their solar source regions, through modifications during heliospheric propagation, impacts on the magnetosphere and ultimate dissipation in the Earth's upper atmosphere. We are able to follow the linked chain from Sun to Earth because of an unprecedented collection of satellite and ground-based observations with the recently launched TIMED spacecraft completing our view into the upper atmosphere. The exciting new information is contained in the view of the global system response that is emerging from the collaborative analysis of these events by solar, heliospheric, magnetospheric and aeronomy communities. We will try here to provide a preliminary overview of one of the sun-to-Earth chains which led to significant Geospace impacts in this time interval, described as the "magnetospheric driver" chain. This overview will serve to place more detailed and focused talks given in this session into a global context. We describe a chain of events that started with a multiple set of eruptions at the Sun producing a complex highly perturbed plasma environment at Earth defined by three distinct time-periods of CME ejecta. The three storms that resulted were each characterized by quasi-periodic (every 2-3 hours) large-scale auroral activations in the high-latitude ionosphere. The effects of these spatial and temporal periodicities propagated throughout the magnetosphere, and into the ionosphere/upper atmosphere system producing important perturbations to the structure, dynamics and chemistry. The development of fine-scale structures in the auroral region was one interesting aspect of the periodicity.

Affiliated with

Also associated with

No associations

Rating

Overview of One Aspect of the Sun-Earth Connection during the April 2002 Events: the "Magnetospheric Driver" Chain does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Overview of One Aspect of the Sun-Earth Connection during the April 2002 Events: the "Magnetospheric Driver" Chain, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Overview of One Aspect of the Sun-Earth Connection during the April 2002 Events: the "Magnetospheric Driver" Chain will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1892591