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Accession Number:
AD0701931
Title:
ROCKET MEASUREMENTS OF NITRIC OXIDE IN THE LOWER D-REGION OF THE IONOSPHERE,
Corporate Author:
PENNSYLVANIA STATE UNIV UNIVERSITY PARK IONOSPHERE RESEARCH LAB
Report Date:
1970-02-01
Abstract:
A rocket borne probe which measures nitric oxide concentration in the D-region has been designed, built, and successfully flown on September 22, 1968, December 6, 1968, and December 12, 1968. The probe measures changes in ionization caused by photo-ionizing neutral nitric oxide with a flashing Lyman-alpha source. The experiment yielded nitric oxide densities greater than 10 to the 8th powercc in the 40-63 rm altitude range. Chemical equilibrium conditions do not explain the observed NO data. Below the mesopause, the atomic nitrogen concentration is so low that a photoequilibrium value of NO cannot be reached. Therefore, nitric oxide must be transported from the lower thermosphere, a region where atomic nitrogen is abundant, into the mesosphere and stratosphere. Author
Pages:
0095
Contract Number:
DAHC04-68-C-0034
Contract Number 2:
NSF-GP-5611
File Size:
0.00MB
