Middle atmosphere abundances of water vapor and ozone during MAP/WINE |
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| Institution: | 1. International Centre for Integrated Mountain Development (ICIMOD), G.P.O. Box 3226, Kathmandu, Nepal;2. Centre of Excellence in Disaster Mitigation and Management, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand 247667, India;3. State Key Laboratory of Cryospheric Science, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, China;4. University of Chinese Academy of Sciences, Beijing 100049, China;5. Department of Environment, Ministry of Forests and Environment, Forest-Complex, Babarmahal, Kathmandu, Nepal;6. National Environment Commission, Royal Government of Bhutan, Tashi-Chhodzong Lam, Thimphu, Bhutan;7. Department of Earth Sciences, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand 247667, India |
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| Abstract: | Water vapor and ozone concentrations measured at mid and high latitudes above Europe during the MAP/WINE Campaign in the winter 1983/1984 are presented. Both water vapor and ozone distributions are found to be variable and structured. On two occasions strong enhancements of mesospheric ozone were recorded, which were probably caused by dynamic effects. The assumption of a photochemical equilibrium for ozone at high latitudes in winter does not appear justified according to the variations measured during MAP/WINE. Water vapor mixing ratios determined in the stratosphere and mesosphere above Scandinavia yield average mixing ratios of near 4 ppmv. |
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