Temperature dependences of stratospheric aerosol extinction at a tropical station |
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| Affiliation: | 1. Italian National Agency for New Technologies, Energy and Sustainable Economic Development (ENEA), Energy Efficiency Unit Department, Via Anguillarese, 301, 00123 Santa Maria di Galeria (Rome), Italy;2. CHOSE (Centre for Hybrid and Organic Solar Energy), Department of Electronic Engineering, University of Rome Tor Vergata, Via del Politecnico, 1, 00133 Rome, Italy;3. Department of Agriculture and Forest Sciences (DAFNE), University of Tuscia, 01100 Viterbo, Italy;7. Group Applied Storage Systems Electrical Energy Storage Division, Fraunhofer Institute for Solar Energy Systems ISE, Heidenhofstr. 2, 79110, Freiburg, Germany;1. Department of Electrical and Electronics Engineering, Faculty of Engineering, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia;2. Department of Process & Food Engineering, Faculty of Engineering, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia;3. Centre for Advanced Lightning, Power and Energy Research (ALPER), Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia;4. Hybrid Agrivoltaic Systems Showcase (HAVs) eDU-PARK, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia;1. Photophysics and Optoelectronics, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, NL-9747, AG, Groningen, the Netherlands;2. Macromolecular Chemistry and New Polymeric Materials, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, NL-9747, AG, Groningen, the Netherlands;3. Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Polymer Physics and Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China;1. Grupo de Investigación en Energía, Universidad Politécnica Salesiana, Calle Vieja 12-30 and Elia Liut, Cuenca, Ecuador;2. Universidad Politécnica Salesiana, Cuenca, Ecuador;3. Facultad de Arquitectura y Urbanismo, Universidad de Cuenca, Cuenca, Ecuador |
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| Abstract: | Characteristics of aerosol extinction in lower stratospheric altitudes over a tropical station are studied using the ruby lidar data at Trivandrum (8°55′N, 77°E) for the period 1986–1987. The integrated stratospheric aerosol extinction as well as the aerosol extinction at fixed altitudes in this region showed a significant negative correlation with tropopause temperature. This is attributed to tropospheric convective activity. Though the direct correlation between ambient temperature and aerosol extinction is insignificant at these altitudes, the partial correlation eliminating the influence of tropopause temperature becomes increasingly significant at altitudes far from the tropopause. This indicates the increasing influence of stratospheric microphysical processes at higher altitudes, that is, near the altitude of stratospheric aerosol peak. |
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