搜索结果: 1-15 共查到“大气科学 Surface ozone”相关记录18条 . 查询时间(0.109 秒)
Decadal regional air quality simulations over Europe in present climate: near surface ozone sensitivity to external meteorological forcing
Decadal regional air quality Europe surface ozone external meteorological forcing
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2010/12/28
Regional climate-air quality decadal simulations over Europe were carried out with the RegCM3/CAMx modeling system for the time slice 1991–2000, in order to study the impact of different meteorologica...
The relative importance of various source regions on East Asian surface ozone
source regions East Asian surface ozone
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2010/12/20
We estimated the source-receptor relationship for surface O3 in East Asia during the early 2000s using a method that tags O3 tracers according to their region of chemical production (tagged tracer met...
Modelling surface ozone during the 2003 heat-wave in the UK
surface ozone the 2003 heat-wave the UK
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2010/9/1
The EMEP4UK modelling system is a high resolution (5×5 km2) application of the EMEP chemistry-transport model, designed for scientific and policy studies in the UK. We demonstrate the use and performa...
Surface ozone trend details and interpretations in Beijing, 2001–2006
Surface ozone trend details interpretations Beijing
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2009/12/3
Beijing is a megacity situated in the rapidly developing Beijing-Tianjin-Hebei region of northern China. In this study, we analyze data on ozone and nitrogen oxide levels obtained at six urban sites i...
Evaluating the potential of IASI ozone observations to constrain simulated surface ozone concentrations
IASI ozone observations to constrain simulated surface ozone concentrations
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2009/11/19
A tracer study has been performed for two summers in 2003 and 2004 with a regional chemistry-transport model in order to evaluate the potential constraint that tropospheric ozone observations from nad...
Increasing surface ozone concentrations in the background atmosphere of Southern China, 1994–2007
Increasing surface ozone concentrations background atmosphere Southern China
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2009/9/2
Tropospheric ozone is of great importance with regard to air quality, atmospheric chemistry, and climate change. In this paper we report the first continuous record of surface ozone in the background ...
The influence of foreign vs. North American emissions on surface ozone in the US
foreign vs. North American emissions surface ozone US
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2009/8/7
As part of the Hemispheric Transport of Air Pollution (HTAP; http:// www.htap.org) project, we analyze results from 15 global and 1 hemispheric chemical transport models and compare these to Clean Air...
Surface ozone at the Caucasian site Kislovodsk High Mountain Station and the Swiss Alpine site Jungfraujoch: data analysis and trends（1990–2006）
Surface ozone Caucasian site Kislovodsk High Mountain Station the Swiss Alpine site Jungfraujoch
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2009/6/23
Long-term ozone measurements of two background mountain sites, namely the Kislovodsk High Mountain Station in Caucasus, Russia (KHMS, 43.70° N, 42.70° E, 2070 m a.s.l.) and the Jungfraujoch in Switzer...
Surface ozone depletion episodes in the Arctic and Antarctic from historical ozonesonde records
Surface ozone depletion episodes Arctic Antarctic historical ozonesonde
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2009/3/12
Episodes of ozone depletion in the lowermost Arctic atmosphere (0--2 km) at polar sunrise have been intensively studied at Alert, Canada, and are thought to result from catalytic reactions involving b...
A climatological study of rural surface ozone in central Greece
climatological study rural surface ozone central Greece
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2009/3/2
Recent studies show that surface ozone levels at rural sites in Greece are generally high when compared with rural ozone measurements at northern European sites. The area of SE Europe, including Greec...
Changes of daily surface ozone maxima in Switzerland in all seasons from 1992 to 2002 and discussion of summer 2003
daily surface ozone maxima Switzerland summer
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2009/2/9
An Analysis of Covariance (ANCOVA) was used to derive the influence of the meteorological variability on the daily maximum ozone concentrations at 12 low-elevation sites north of the Alps in Switzerl...
A climatology of surface ozone in the extra tropics: cluster analysis of observations and model results
surface ozone extra tropics cluster analysis
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2008/12/29
Important aspects of the seasonal variations of surface ozone are discussed. The underlying analysis is based on the long-term (1990–2004) ozone records of the Co-operative Programme for Monitoring an...
Signature of Arctic surface ozone depletion events in the isotope anomaly (Δ17O) of atmospheric nitrate
Arctic surface ozone isotope anomaly atmospheric nitrate
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2008/12/3
We report the first measurements of the oxygen isotope anomaly of atmospheric inorganic nitrate from the Arctic. Nitrate samples and complementary data were collected at Alert, Nunavut, Canada (82°30 ...
Contributions of pollutants from North China Plain to surface ozone at the Shangdianzi GAW Station
North China Plain surface ozone Shangdianzi GAW Station
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2008/11/21
Regional ozone pollution has become one of the top environmental concerns in China, especially in those economically vibrant and densely populated regions, such as North China region including Beijing...
The effect of lightning NOx production on surface ozone in the continental United States
lightning NOx surface ozone continental United States
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2008/11/18
Lightning NOx emissions calculated using the US National Lightning Detection Network data were found to account for 30% of the total NOx emissions for July–August 2004, a period chosen both for having...