Fifth Symposium on Space Weather


Method of generating auroral inputs based on DMSP SSJ electron particle data at high-temporal resolution for use with the Air Force standard atmospheric radiative transmittance models

James M. Griffin, AER, Lexington, MA; and T. Connor, W. Gallery, C. Paxson, H. E. Snell, M. J. Kendra, and J. H. Brown

While the Air Force standard radiative transmittance codes do have the capability to compute radiative enhancement due to auroral dosing as described by model inputs, there still remains the need to readily and consistently quantify those inputs for a wide range of auroral environments. To address that issue, work has been done to use the DMSP SSJ particle data for characterizing the dosing and extent of the auroral regions. This paper starts with the work done to calibrate the SHARC auroral inputs with the measured observations made by MSX SPIRIT III radiometer during a data collect event. The results from a study of the dosing history are then presented to demonstrate the effect of prompt and sustained periods of dosing on radiance due to various key auroral emitters. Finally, this paper presents a demonstration of how the SSJ data can be used to systematically derive a high-resolution spatial and temporal series of the model inputs needed to provide a more variable and reasonable characterization of the IR atmospheric radiance due to presence of active auroral regions.Uploaded Presentation File(s):

Poster Session 1, Space Weather Posters
Monday, 21 January 2008, 2:30 PM-4:00 PM, Exhibit Hall B

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