Mathematics – Logic
Scientific paper
Dec 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufmsa43a1618m&link_type=abstract
American Geophysical Union, Fall Meeting 2009, abstract #SA43A-1618
Mathematics
Logic
[2494] Ionosphere / Instruments And Techniques, [7999] Space Weather / General Or Miscellaneous
Scientific paper
The Naval Research Laboratory (NRL) has developed five ultraviolet remote sensing instruments for the Air Force Defense Meteorological Satellite Program (DMSP). These instruments known as SSULI (Special Sensor Ultraviolet Limb Imager) are on the DMSP block of 5D3 satellites, which first launched in 2003. SSULI measures vertical profiles of the natural airglow radiation from atoms, molecules and ions in the upper atmosphere and ionosphere by viewing the Earth's limb at a tangent altitude of approximately 50 km to 750 km. An extensive operational data processing system has been developed to generate environmental data products from SSULI spectral data in near-real time. This system, known as the Ground Data Analysis Software (GDAS), includes operational data reduction software using advanced science algorithms developed at NRL. Programs are designed to calibrate data from USAF Raw Sensor Data Records (RSDR) and generate Environmental Data Records (EDRs). The brightness of emission components are found by deconvoluting the observed spectra using multiple linear regression (MLR). Specific intensity profiles are then fed to three atmospheric inversion algorithms that use nonlinear Discrete Inverse Theory (DIT) to retrieve density profiles from the airglow. Data products for each scan include a vertical profile of N2, O2, O, O+ and Temperature; model parameters; and Total Electron Count (TEC).
Budzien Scott A.
Dandenault P. B.
Dymond Kenneth
Metzler Christopher A.
Nicholas Andrew C.
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