Empirical Modeling of Global Electron Energy Input During the April 2002 Storms

Details Empirical Modeling of Global Electron Energy Input During the April 2002 Storms Empirical Modeling of Global Electron Energy Input During the April 2002 Storms

Dec 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003agufmsm32b1157s&link_type=abstract

American Geophysical Union, Fall Meeting 2003, abstract #SM32B-1157

Statistics

Computation

2427 Ionosphere/Atmosphere Interactions (0335), 2431 Ionosphere/Magnetosphere Interactions (2736), 2736 Magnetosphere/Ionosphere Interactions, 2784 Solar Wind/Magnetosphere Interactions

Scientific paper

We employ an empirical model to study the effects of the energy released into the atmospheric system during the course of the storms of April 14-24, 2002. The NOAA-Data Climatology is a statistical model of precipitating electrons based on 10 years of NOAA-12 Space Environment Monitor (SEM) data. For each hour of UT, the electron spectral shape is defined for solar activity (using F10.7), geomagnetic activity (using Dst, Kp, and PC), invariant latitude (40° to 90° N and -40° to -90° S), and magnetic local time. The climatology includes the precipitating differential fluxes determined from the integral high-energy telescopes of SEM and its low-energy differential measurements. In addition to total global energy input, the spectral information contained in the model enables computations of ionization rate profiles and Hall and Peterson conductivities. We compare these quantities with measurements from low altitude spacecraft and ground-based observatories; and, with global circulation modeling, we obtain height profiles of reactive constituents at selected intervals during the storm.

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