Optical Effects of the March 1970 Geophysical Event at the AFCRL Geopole Observatory, Thule Air Base, Greenland.

• Main Authors: Silverman,S. M., Moore,J. G.
• Other Authors: AIR FORCE CAMBRIDGE RESEARCH LABS L G HANSCOM FIELD MASS
• Format: Text
• Language: English
• Published: 1972
• Subjects: Atmospheric Physics; *IONOSPHERIC DISTURBANCES; *AURORAE; ULTRAVIOLET SPECTRA; OPTICAL PHENOMENA; LUMINESCENCE; POWER SPECTRA; POLAR REGIONS; SOLAR FLARES; GREENLAND; *POLAR CAP ABSORPTION; EMISSION SPECTRA; Greenland; Thule Air Base; Thule Air; Thule
• Online Access: http://www.dtic.mil/docs/citations/AD0744074; http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=AD0744074

The optical observations from Geopole Observatory, Thule A. B., Greenland, during the 6 to 10 March 1970 event are discussed. The spectral data were considered in detail for two periods, on March 6 and March 9, preceding and during the PCA. The ratio of the 5577A (OI) and 6300A (OI) emission intensi...