搜索结果: 76-90 共查到“理学 aerosol”相关记录684条 . 查询时间(0.046 秒)
Comparison of UV irradiances from Aura/Ozone Monitoring Instrument (OMI) with Brewer measurements at El Arenosillo (Spain) – Part 2: Analysis of site aerosol influence
Aura/Ozone Monitoring Instrument Brewer measurements El Arenosillo
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2010/12/28
Several validation studies have shown a notable overestimation of the clear sky ultraviolet (UV) irradiance at the Earth's surface derived from satellite sensors such as the Total Ozone Mapping Spectr...
Long-term record of aerosol optical properties and chemical composition from a high-altitude site (Manora Peak) in Central Himalaya
aerosol optical properties chemical composition a high-altitude site (Manora Peak) Central Himalaya
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2010/12/28
A long-term study, conducted from February 2005 to July 2008, involving chemical composition and optical properties of ambient aerosols from a high-altitude site (Manora Peak: 29.4° N, 79.5° E, ~1950 ...
Stratocumulus cloud thickening beneath layers of absorbing smoke aerosol
Stratocumulus cloud smoke aerosol
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2010/12/28
Marine stratocumulus cloud properties, and the free-tropospheric environment above them, are examined in NASA A-Train satellite data for cases where smoke from seasonal burning of the West African sav...
The vapor pressures and activities of dicarboxylic acids reconsidered: the impact of the physical state of the aerosol
dicarboxylic acids the physical state of the aerosol
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2010/12/28
We present vapor pressure data of the C2 to C5 dicarboxylic acids deduced from measured evaporation rates of single levitated particles as both, aqueous droplets and solid crystals. The data of aqueou...
Reconciliation of measurements of hygroscopic growth and critical supersaturation of aerosol particles in central Germany
hygroscopic growth critical supersaturation aerosol particles central Germany
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2010/12/28
Aerosol physical, chemical and hygroscopic properties were measured in a range of airmasses during COPS (Convective and Orographically-induced Precipitation Study) ground-based in June and July of 200...
Chemical composition and aerosol size distribution of the middle mountain range in the Nepal Himalayas during the 2009 pre-monsoon season
Chemical composition aerosol size the middle mountain range the Nepal Himalayas the 2009 pre-monsoon season
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2010/12/28
Aerosol particle number size distribution and chemical composition were measured at two low altitude sites, one urban and one relatively pristine valley, in Central Nepal during the 2009 pre-monsoon s...
Major components of atmospheric organic aerosol in southern California as determined by hourly measurements of source marker compounds
atmospheric organic aerosol southern California source marker compounds
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2010/12/28
We report the first hourly in-situ measurements of speciated organic aerosol (OA) composition in an urban environment. Field measurements were made in southern California at the University of Californ...
Impact of aftertreatment devices on primary emissions and secondary organic aerosol formation potential from in-use diesel vehicles: results from smog chamber experiments
aftertreatment devices primary emissions secondary organic aerosol formation in-use diesel vehicles smog chamber experiments
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2010/12/28
Diesel particulate matter (DPM) is a significant source of aerosol in urban areas and has been linked to adverse health effects. Although newer European directives have introduced increasingly stringe...
Characterization of high-resolution aerosol mass spectra of primary organic aerosol emissions from Chinese cooking and biomass burning
high-resolution aerosol mass spectra primary organic aerosol Chinese cooking biomass burning
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2010/12/28
Aerosol mass spectrometry has proved to be a powerful tool to measure submicron particulate composition with high time resolution. Factor analysis of mass spectra (MS) collected worldwide by aerosol m...
A critical look at spatial scale choices in satellite-based aerosol indirect effect studies
spatial scale choices satellite-based aerosol indirect effect studies
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2010/12/20
Analysing satellite datasets over large regions may introduce spurious relationships between aerosol and cloud properties due to spatial variations in aerosol type, cloud regime and synoptic regime cl...
Impact of parametric uncertainties on the present-day climate and on the anthropogenic aerosol effect
parametric uncertainties the present-day climate the anthropogenic aerosol effect
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2010/12/20
Clouds constitute a large uncertainty in global climate modeling and climate change projections as many clouds are smaller than the size of a model grid box. Some processes, such as the rates of rain ...
Global modeling of organic aerosol: the importance of reactive nitrogen (NOx and NO3)
organic aerosol reactive nitrogen (NOx and NO3)
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2010/12/20
Reactive nitrogen compounds, specifically NOx and NO3, likely influence global organic aerosol levels. To assess these interactions, GEOS-Chem, a chemical transport model, is updated to include improv...
The Potential Importance of Non-Local, Deep Transport on the Energetics, Momentum, Chemistry, and Aerosol Distributions in the Atmospheres of Earth, Mars and Titan
Non-Local Deep Transport the Energetics
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2011/1/11
A review of non-local, deep transport mechanisms in the atmosphere of Earth provides a good foundation for examining whether similar mechanisms are operating in the atmospheres of Mars and Titan. On E...
Sunphotometry of the 2006–2007 aerosol optical/radiative properties at the Himalayan Nepal Climate Observatory-Pyramid (5079 m a.s.l.)
the 2006–2007 aerosol optical radiative properties the Himalayan Nepal Climate Observatory-Pyramid (5079 m a.s.l.)
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2010/11/30
In spite of being located at the heart of the highest mountain range in the world, the Himalayan Nepal Climate Observatory (5079 m a.s.l.) at the Ev-K2-CNR Pyramid is shown to be affected by the advec...
Aerosol-cloud interaction determined by both in situ and satellite data over a northern high-latitude site
Aerosol-cloud interaction in situ and satellite data a northern high-latitude site
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2010/11/30
The first aerosol indirect effect over a clean, northern high-latitude site was investigated by determining the aerosol cloud interaction (ACI) using three different approaches; ground-based in situ m...