Physics
Scientific paper
Dec 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004agufmsa11b..06k&link_type=abstract
American Geophysical Union, Fall Meeting 2004, abstract #SA11B-06
Physics
2435 Ionospheric Disturbances, 2439 Ionospheric Irregularities, 2443 Midlatitude Ionosphere, 2447 Modeling And Forecasting
Scientific paper
The response of the midlatitude ionosphere to geomagnetic storms is governed by several factors, e.g., magnetospheric leakage electric fields, dynamo action of thermospheric winds driven equatorward by auroral heating, and the equatorward propagation of fast time scale ionospheric waves and disturbances. Inner magnetospheric electric fields may generate sub-auroral polarization streams (SAPS). Equatorward of SAPS strong ionospheric coupling to plasmaspheric tail-like structures can occur. Several studies have addressed the large scale midlatitude ionospheric and thermospheric response to magnetic storms. However few quantitative models for the mesoscale and small scale structure and dynamics of the midlatitude stormtime ionosphere have been developed. Both ground and space-based observations have shown that the midlatitude stormtime ionosphere can be highly structured down to meter scale sizes. This structure appears to be located in and near the auroral - sub auroral boundary region. Recently, we have shown that SAPS can become structured due to gradient-driven processes in the presence of strong convection. A preliminary composite model for midlatitude stormtime mesoscale and small scale ionospheric structure, which combines auroral and sub-auroral irregularity generation mechanisms, is presented.
Basu Sarbani
Keskinen Mike
No associations
LandOfFree
Towards a Model for Midlatitude Stormtime Ionospheric Mesoscale and Small Scale Structure 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 Towards a Model for Midlatitude Stormtime Ionospheric Mesoscale and Small Scale Structure, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Towards a Model for Midlatitude Stormtime Ionospheric Mesoscale and Small Scale Structure will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1456339