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Middle atmosphere temperature trend and solar cycle revealed by long-term Rayleigh lidar observations
Li, Tao; Leblanc, Thierry; McDermid, I. Stuart; Keckhut, Philippe; Hauchecorne, Alain; Dou, Xiankang; Li, T (reprint author), Univ Sci & Technol China, Sch Earth & Space Sci, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China.
Department空间科学部
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
2011
Volume116Pages:D00P05
ISSN2169-897X
Language英语
AbstractThe long-term temperature profile data sets obtained by Rayleigh lidars at three different northern latitudes within the Network for the Detection of Atmospheric Composition Change were used to derive the middle atmosphere temperature trend and response to the 11 year solar cycle. The lidars were located at the Mauna Loa Observatory, Hawaii (MLO, 19.5 degrees N); the Table Mountain Facility, California (TMF, 34.4 degrees N); and the Observatoire de Haute Provence, France (OHP, 43.9 degrees N). A stratospheric cooling trend of 2-3 K/decade was found for both TMF and OHP, and a trend of <= 0.5 +/- 0.5 K/decade was found at MLO. In the mesosphere, the trend at TMF (3-4 K/decade) was much larger than that at both OHP and MLO (<1 K/decade). The lidar trends agree well with earlier satellite and rocketsonde trends in the stratosphere, but a substantial discrepancy was found in the mesosphere. The cooling trend in the upper stratosphere at OHP during 1981-1994 (similar to 2-3 K/decade) was much larger than that during 1995-2009 (<= 0.8 K/decade), coincident with the slightly increasing upper stratospheric ozone density after 1995. Significant temperature response to the 11 year solar cycle was found. The correlation was positive in both the stratosphere and mesosphere at MLO and TMF. At OHP a wintertime negative response in the upper stratosphere and a positive response in the middle mesosphere were observed during 1981-1994, but the opposite behavior was found during 1995-2009. This behavior may not be a direct solar cycle response at all but is likely related to an apparent response to decadal variability (e.g., volcanoes, modulated random occurrence of sudden stratospheric warmings) that is more complex.; The long-term temperature profile data sets obtained by Rayleigh lidars at three different northern latitudes within the Network for the Detection of Atmospheric Composition Change were used to derive the middle atmosphere temperature trend and response to the 11 year solar cycle. The lidars were located at the Mauna Loa Observatory, Hawaii (MLO, 19.5 degrees N); the Table Mountain Facility, California (TMF, 34.4 degrees N); and the Observatoire de Haute Provence, France (OHP, 43.9 degrees N). A stratospheric cooling trend of 2-3 K/decade was found for both TMF and OHP, and a trend of <= 0.5 +/- 0.5 K/decade was found at MLO. In the mesosphere, the trend at TMF (3-4 K/decade) was much larger than that at both OHP and MLO (<1 K/decade). The lidar trends agree well with earlier satellite and rocketsonde trends in the stratosphere, but a substantial discrepancy was found in the mesosphere. The cooling trend in the upper stratosphere at OHP during 1981-1994 (similar to 2-3 K/decade) was much larger than that during 1995-2009 (<= 0.8 K/decade), coincident with the slightly increasing upper stratospheric ozone density after 1995. Significant temperature response to the 11 year solar cycle was found. The correlation was positive in both the stratosphere and mesosphere at MLO and TMF. At OHP a wintertime negative response in the upper stratosphere and a positive response in the middle mesosphere were observed during 1981-1994, but the opposite behavior was found during 1995-2009. This behavior may not be a direct solar cycle response at all but is likely related to an apparent response to decadal variability (e.g., volcanoes, modulated random occurrence of sudden stratospheric warmings) that is more complex.
Indexed BySCI ; EI
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/3221
Collection空间科学部
Corresponding AuthorLi, T (reprint author), Univ Sci & Technol China, Sch Earth & Space Sci, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China.
Recommended Citation
GB/T 7714
Li, Tao,Leblanc, Thierry,McDermid, I. Stuart,et al. Middle atmosphere temperature trend and solar cycle revealed by long-term Rayleigh lidar observations[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2011,116:D00P05.
APA Li, Tao.,Leblanc, Thierry.,McDermid, I. Stuart.,Keckhut, Philippe.,Hauchecorne, Alain.,...&Li, T .(2011).Middle atmosphere temperature trend and solar cycle revealed by long-term Rayleigh lidar observations.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,116,D00P05.
MLA Li, Tao,et al."Middle atmosphere temperature trend and solar cycle revealed by long-term Rayleigh lidar observations".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 116(2011):D00P05.
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