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51篇 您的检索式:作者名="Madronich"
    题名 作者 年代 出处 被引量
1地表紫外辐射的变化显示文摘近年来紫外(UV)辐射测量的质量和数量已大大提高。不同仪器测量值之间的差异工减少到5%的量级。但长期变化的探测仍是一个问题,几乎没有历史数据可用来作本底的估计。所增加的UV辐射明显与南极春季臭氧减少相关。测量表明南极UV辐射极大值正好出现在夏至之前,南极洲Palmer站(64°S)春季臭氧耗损期间危害DNA的辐射可超过美国圣迭戈站(32°N)的夏季最高值。中纬度地区UV辐射增加较小。但对特定波长进行检查可发现,与1992/1993年北半球低柱臭氧量记录相联系的UV辐射增加是很明显的。阿根廷、智利、新西兰和澳大利亚的观测表明,这些地区的UV辐射水平比北半球相应纬度地区要高,平流层臭氧以及对流层污染的差别可能对此起了作用。对流层臭氧和气溶胶对UV-B总辐照度的减少作用是明显的。在一些地方,对流层污染自工业化前以来已有明显增加,这导致了地表UV辐射的减少。然而现在对流层污染变化对UV辐射变化的影响相对平流层臭氧减少的影响来说可能仅是一个小量。卫星测得的1979~1993年全球臭氧资料表明,在南北半球的中高纬度地区都有显著的UV-B辐射增加,而热带地区的变化小。然而这个估计的前提是在这段时期云和对流层污染保持不变。按照现在的氯氟烃(CFC)逐步禁止计划,全球UV辐射水平预计在本世纪末将达列峰值,这是与平流层氯含量出现峰值以及相应的臭氧耗损相联系的。可望在今后50年中逐步恢复到臭氧耗损之前的水平。Sasha Madronich Richard L.McKenzie Martyn M.Caldwell Lars Olof Bjrn 李卫 1995人类环境杂志1995,24,3:3
2Changes in Biologically Active Ultraviolet Radiation Reaching the Earth's Surface显示文摘MADRONICH S MCKENZIE R L BJOM L O 1998J Photochem Photobil B1998,46,13:1
3Weekly patterns of M6xico City's surface concentrations of CO, NOx, PMi0and O3during 1986-2007 显示文摘Stephens S Madronich S Wu F 2008Atmospheric Chemistry and Physics2008,8,17:1
4Weekly patterns of Mexico City's surface concentrations of CO, NOx, PM10 and O3 during 1986-2007 显示文摘Stephens S Madronich S Wu F 2008Atmos Chem Phys Discuss2008,8,:1
5Changes in ul-traviolet radiation reaching the earths surface显示文摘MADRONICH S MCKENZIE R L CALDWELL M M 1995Ambio1995,24,3:1
6An overview of the MILAGRO 2006 Campaign: Mexico City emissions and their transport and transformation显示文摘Molina L. T. Madronich S. Gaffney J. S. Apel E. de Foy B. Fast J. Ferrare R. Herndon S. Jimenez J. L. Lamb B. Osornio-Vargas A. R. Russell P. Schauer J. J. Stevens P. S. Volkamer R. Zavala M 20102010 (208)2010,,208:1
7Changes in biologically active ultraviolet radiation reaching the earth's surface显示文摘MADRONICH S MCKENZIE R L BJORN L O 1998Journal Photochemistry and Photobiology B:Biology1998,46,:1
8Characterizations of chemical oxidants in Mexico City: A regional chemical dynamical model (WRF - Chem) study 显示文摘Tie X Madronich S Li G H 2007Atmospheric Environment2007,41,9:1
9Change in ultraviolet radiation reaching the earths surface显示文摘Madronich S R L Mckenzie M M Caldwell and L O Bjorn 1995Ambio1995,24,3:1
10The role of solar radiation in atmospheric chemistry显示文摘Madronich S Flocke S 0,,:1
11The influence of aerosols on photochemical smog in Mexico City显示文摘Castro T Madronich S Rivale S Muhlia A Mar B 0,,10:1
12Changes in ultraviolet radiation reaching the earths surface显示文摘Madronich Sasha McKenzie Richard L Caldwell Martyn M 1995AMBIO1995,24,:1
13Changes in ultraviolet radiation reaching the earth's surface显示文摘Madronich S McKenzie RL Caldwell MM 1995Amhio1995,24,:1
14Changes in biologically active ultraviolet radia- tion reaching the Earth' surface 显示文摘Madronich S Mckenzie R L Bjom L O Caldwell M M 1998Photochem Photobil1998,46,:1
15Changes in biologically active ultraviolet radiation reaching the earth 's surface 显示文摘Madronich S Mckenzie R L Bjorn L O 1998Journal Photochemistry and Photobiology B: Biology1998,46,:1
16Weekly patterns of México City’s surface concentrations of CO, NOx, PM10 and O3 during 1986–2007显示文摘Stephens S. Madronich S. Wu F. Olson J. B. Ramos R. Retama A. Mu?oz R 20082008 (138)2008,,138:1
17A photochemical origin of acetic acid in the troposphere 显示文摘Madronich S Chatfield R B Calvert J G Moortgat G K Veyret R Lesclaux R 1990Geophys Res Lett1990,17,13:1
18Measurement of the photodissociation coefficient of NO2 in the atmosphere:II,strotospheric measurements显示文摘Madronich S Hastie D R Schiff H I 1985Journal of Atmospheric Chemistry1985,3,:1
19Epidemic influenza and vitamin D显示文摘Cannell JJ Vieth R Umhau JC Holick MF Grant WB Madronich S 2006Epidemiol Infect2006,134,6:1
20Weekly patterns of Mexico city's surface concentrations of CO, NOx, PMlo and 03 during 1986 -2007显示文摘Stephens S Madronich S Wu F 2008Atmospheric Chemistry and Physics Discussions2008,8,:1
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