Comparison of HALOE O3 and H2O observations from UARS with ground and balloonborne measurements
Conference
·
OSTI ID:263837
The HALogen Occultation Experiment (HALOE) was launched on the Upper Atmosphere Research Satellite (UARS) by the Space Shuttle Discovery at 7:11:04 EDT on September 12, 1991. After allowing for a period of outgassing, HALOE began taking routine science observations on October 11. HALOE uses the experiment approach of solar occultation and the gas filter and broad band radiometer instruments techniques to measure vertical profiles of HCl, HF, CH4, NO, NO2, H2O, O3, aerosol, and temperature versus pressure. The measurements cover a broad altitude range from the upper troposphere in some cases to the lower thermosphere in the case of nitric oxide. Latitude coverage provided by the occultation geometry ranges from 80 deg S to 80 deg N over the course of one year. The experiment has operated essentially without flaw for more than three years. Instrument stability over this time, as judged by the maximum signal change when viewing the sun exoatmospherically is less than or equal to 2 to 3%.
- Research Organization:
- Optical Society of America, Washington, DC (United States)
- OSTI ID:
- 263837
- Report Number(s):
- LC--95-67220; LC--95-67219; NIPS--96-08630; CONF-950277--
- Country of Publication:
- United States
- Language:
- English
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