Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007jass...24...55k&link_type=abstract
Journal of Astronomy and Space Sciences. Vol. 24, no. 1, p.55-68
Astronomy and Astrophysics
Astronomy
Airglow, Thermosphere, Extreme Ultraviolet, Far Ultraviolet
Scientific paper
We carried out a validation study on AURIC FUV/EUV dayglow calculation with OII 834AA, OI 989AA, OI 1027AA, NII 1085AA, NI 1134AA, NI 1200AA, OI 1304AA, OI 1356AA dayglows observed by STP78-1 satellite. Comparison between calculated and observed values indicates that they are in agreement within about 20% for dayglows of OII 834AA, OI 1027AA, NI 1200AA, OI 1304AA. However, the calculated intensities of OI 989AA, NII 1085AA and NI 1134AA are only 42, 74 and 45% of the observed values, respectively, showing serious differences from the observation. It was surmised that the differences in OI 989AA and NI 1134AA are due to incomplete calculation of radiative transfer and uncertain photochemical processes in AURIC model, respectively. The difference in NII 1085AA is conjectured to be due to variation of the input solar EUV flux rather than due to AURIC model itself. For up-looking dayglows from the satellite, the calculated values from AURIC are all less than those of STP78-1, which may imply that AURIC model does not include dayglow contribution from regions below the satellite altitude when it computes dayglows in up-looking direction. The differences are particularly serious for OI 989AA, NI 1134AA, NI 1200AA dayglows. The calculated latitudinal variation of OII 834AA dayglow is also significantly different from the observed one, especially at mid-latitude regions. This may be due to inability of MSISE-90 (in input of AURIC) to simulate oxygen atom densities at mid-latitudes during auroral storms at those days of STP78-1 observations. Our findings of the validation study should be resolved when AURIC model is revised in future.
Kang Mi Ji
Kim Jeong-Han
Kim Yong Ha
No associations
LandOfFree
Validation of Auric Model with EUV/FUV Dayglow Observation of STP78-1 Satellite 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 Validation of Auric Model with EUV/FUV Dayglow Observation of STP78-1 Satellite, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Validation of Auric Model with EUV/FUV Dayglow Observation of STP78-1 Satellite will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-923570