搜索结果: 1-15 共查到“大气化学 Pollution”相关记录22条 . 查询时间(0.171 秒)
Continuous isotopic composition measurements of tropospheric CO2 at Jungfraujoch (3580 m a.s.l.), Switzerland: real-time observation of regional pollution events
tropospheric CO2 Jungfraujoch regional pollution events
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2011/2/25
A quantum cascade laser based absorption spectrometer (QCLAS) is applied for the first time to perform in situ, continuous and high precision isotope ratio measurements of CO2 in the free troposphere....
Overview of the synoptic and pollution situation over Europe during the EUCAARI-LONGREX field campaign
the synoptic and pollution Europe the EUCAARI-LONGREX field campaign
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2011/2/25
In May 2008 the EUCAARI-LONGREX aircraft field campaign was conducted within the EUCAARI intensive observational period. The campaign aimed at studying the distribution and evolution of air mass prope...
Variation of particle number size distributions and chemical compositions at the urban and downwind regional sites in the Pearl River Delta during summertime pollution episodes
particle number size distributions chemical compositions the urban and downwind regional sites the Pearl River Delta summertime pollution episodes
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2010/10/11
In order to characterize the features of particulate pollution in the Pearl River Delta (PRD) in the summer, continuous measurements of particle number size distributions and chemical compositions wer...
Spectral optical properties of long-range transport Asian dust and pollution aerosols over Northeast Asia in 2007 and 2008
Spectral optical properties long-range transport Asian dust and pollution aerosols Northeast Asia 2007 and 2008
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2010/8/13
As a part of the IGAC (International Global Atmospheric Chemistry) Mega-cities program, aerosol physical and optical properties were continuously measured from March 2007 to March 2008 at an urban sit...
Impact of mineral dust on nitrate, sulfate, and ozone in transpacific Asian pollution plumes
mineral dust nitrate sulfate ozone transpacific Asian pollution plumes
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2010/8/12
We use a 3-D global chemical transport model (GEOS-Chem) to interpret aircraft observations of nitrate and sulfate partitioning in transpacific dust plumes during the INTEX-B campaign of April–May 200...
Pollution events observed during CARIBIC flights in the upper troposphere between South China and the Philippines
Pollution events CARIBIC flights South China Philippines
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2010/2/21
A strong pollution episode in the upper troposphere between South China and the Philippines was observed during CARIBIC flights in April 2007. Five pollution events were observed, where enhancements i...
Variability of springtime transpacific pollution transport during 2000–2006: the INTEX-B mission in the context of previous years
springtime transpacific pollution INTEX-B mission
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2010/2/21
We analyze the transport of pollution across the Pacific during the NASA INTEX-B (Intercontinental Chemical Transport Experiment Part B) campaign in spring 2006 and examine how this year compares to t...
Source attribution and interannual variability of Arctic pollution in spring constrained by aircraft (ARCTAS, ARCPAC) and satellite (AIRS) observations of carbon monoxide
Arctic pollution spring constrained ARCTAS carbon monoxide
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2010/2/21
We use aircraft observations of carbon monoxide (CO) from the NASA ARCTAS and NOAA ARCPAC campaigns in April 2008 together with multiyear (2003–2008) CO satellite data from the AIRS instrument and a g...
Characterization of volatile organic compounds (VOCs) in Asian and north American pollution plumes during INTEX-B: identification of specific Chinese air mass tracers
volatile organic compounds VOCs Asian and north American pollution plumes INTEX-B specific Chinese air mass tracers
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2009/8/7
We present results from the Intercontinental Chemical Transport Experiment – Phase B (INTEX-B) aircraft mission conducted in spring 2006. By analyzing the mixing ratios of volatile organic compounds (...
East Asian SO2 pollution plume over Europe – Part 2: Evolution and potential impact
East Asian SO2 pollution Europe Evolution potential impact
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2009/7/23
We report on the first observation-based case study of an aged East Asian anthropogenic SO2 pollution plume over Europe. Our airborne measurements in that plume detected highly elevated SO2 mole fract...
Impact of climate change on photochemical air pollution in Southern California
climate change photochemical air pollution Southern California
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2009/6/16
The effects of future climate and emissions-related perturbations on ozone air quality in Southern California are considered, with an assumed increase to 2× pre-industrial levels for global background...
The effects of global changes upon regional ozone pollution in the United States
global changes regional ozone pollution United States
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2009/3/13
A comprehensive numerical modeling framework was developed to estimate the effects of collective global changes upon ozone pollution in the US in 2050. The framework consists of the global climate and...
The North Atlantic Oscillation controls air pollution transport to the Arctic
North Atlantic Oscillation air pollution the Arctic
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2009/3/11
This paper studies the interannual variability of pollution pathways from northern hemisphere (NH) continents into the Arctic. Using a 15-year model simulation of the dispersion of passive tracers rep...
Rapid intercontinental air pollution transport associated with a meteorological bomb
air pollution meteorological bomb
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2009/3/11
Intercontinental transport (ICT) of trace substances normally occurs on timescales ranging from a few days to several weeks. In this paper an extraordinary episode in November 2001 is presented, where...
Global distribution of tropospheric ozone from satellite measurements using the empirically corrected tropospheric ozone residual technique：Identification of the regional aspects of air pollution
tropospheric ozone empirically corrected tropospheric ozone air pollution
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2009/3/11
Using coincident observations of total ozone from the Total Ozone Mapping Spectrometer (TOMS) and stratospheric ozone profiles from the Solar Backscattered Ultraviolet (SBUV) instruments, detailed map...