搜索结果: 61-75 共查到“理学 air quality”相关记录83条 . 查询时间(0.171 秒)
Quantification of the impact of climate uncertainty on regional air quality
Quantification climate uncertainty regional air quality
2009/3/13
Uncertainties in calculated impacts of climate forecasts on future regional air quality are investigated using downscaled MM5 meteorological fields from the NASA GISS and MIT IGSM global models and th...
Nonlinear relationships between atmospheric aerosol and its gaseous precursors：Analysis of long-term air quality monitoring data by means of neural networks
Nonlinear relationships atmospheric aerosol gaseous precursors neural networks
2009/3/10
The nonlinear features of the relationships between concentrations of aerosol and volatile organic compounds (VOC) and nitrogen oxides (NOx) in urban environments are revealed directly from data of lo...
Evaluation of two ozone air quality modelling systems
ozone air quality modelling systems Spain Barcelona
2009/3/4
The aim of this paper is to compare two different modelling systems and to evaluate their ability to simulate high values of ozone concentration in typical summer episodes which take place in the nort...
Emission scenarios for air quality management and applications at local and regional scales including the effects of the future European emission regulation (2015) for the upper Rhine valley
air quality management regional scales future European emission regulation upper Rhine valley
2009/2/8
Air quality modeling associated with emission scenarios has become an important tool for air quality management. The set-up of realistic emission scenarios requires accurate emission inventories inclu...
Cluster Analysis of the Organic Peaks in Bulk Mass Spectra Obtained During the 2002 New England Air Quality Study with an Aerodyne Aerosol Mass Spectrometer
Cluster Analysis Organic Peaks Bulk Mass Spectra New England Aerodyne Aerosol Mass Spectrometer
2009/1/22
We applied hierarchical cluster analysis to an Aerodyne aerosol mass spectrometer (AMS) bulk mass spectral dataset collected aboard the NOAA research vessel R. H. Brown during the 2002 New England Ai...
Development and validation of tools for the implementation of european air quality policy in Germany Project（VALIUM）
tools european air quality policy Germany
2009/1/13
In the framework of the German Atmospheric Research Program AFO-2000 a system of consistent coupled numerical models has been developed. The purpose of the model system is to serve as a tool for the ...
Impacts of using reformulated and oxygenated fuel blends on the regional air quality of the upper Rhine valley
reformulated and oxygenated fuel blends regional air quality upper Rhine valley
2009/1/9
The effects of using three alternative gasoline fuel blends on regional air quality of the upper Rhine valley have been investigated. The first of the tested fuels is oxygenated by addition of ethyl-t...
Intercontinental transport of pollution and dust aerosols: implications for regional air quality
Intercontinental transport of pollution dust aerosols regional air quality
2008/12/24
We use the global model GOCART to examine the impact of pollution and dust aerosols emitted from their major sources on surface fine particulate matter concentrations at regional and hemispheric scale...
Technical Note: The air quality modeling system Polyphemus
air quality modeling system Polyphemus
2008/12/23
Polyphemus is an air quality modeling platform which aims at covering the scope and the abilities of modern air quality systems. It deals with applications from local scale to continental scale, using...
Air quality in North America's most populous city – overview of the MCMA-2003 campaign
Air quality North America
2008/12/10
Exploratory field measurements in the Mexico City Metropolitan Area (MCMA) in February 2002 set the stage for a major air quality field measurement campaign in the spring of 2003 (MCMA-2003). Involvin...
Transpacific transport of ozone pollution and the effect of recent Asian emission increases on air quality in North America: an integrated analysis using satellite, aircraft, ozonesonde, and surface observations
ozone pollution Asian emission North America
2008/11/24
We use an ensemble of aircraft, satellite, sonde, and surface observations for April–May 2006 (NASA/INTEX-B aircraft campaign) to better understand the mechanisms for transpacific ozone pollution and ...
The role of sea-salt emissions and heterogeneous chemistry in the air quality of polluted coastal areas
sea-salt emissions heterogeneous chemistry coastal areas
2008/11/21
Open-ocean and surf-zone sea-salt aerosol (SSA) emission parameterizations are incorporated in the CAMx aerosol model and applied over an area with an extended Archipelago (Greece), with a fine grid n...
The aerosol distribution in Europe derived with the Community Multiscale Air Quality (CMAQ) model: comparison to near surface in situ and sunphotometer measurements
aerosol Europe Community Multiscale Air Quality (CMAQ) sunphotometer measurements
2008/11/18
The aerosol distribution in Europe was simulated with the Community Multiscale Air Quality (CMAQ) model system version 4.5 for the years 2000 and 2001. The results were compared with daily averages of...
A computationally-efficient secondary organic aerosol module for three-dimensional air quality models
organic aerosol module three-dimensional air quality models
2008/11/13
Accurately simulating secondary organic aerosols (SOA) in three-dimensional (3-D) air quality models is challenging due to the complexity of the physics and chemistry involved and the high computation...
The role of climate and emission changes in future air quality over southern Canada and northern Mexico
climate air quality southern Canada northern Mexico
2008/11/13
Potential impacts of global climate and emissions changes on regional air quality over southern (western and eastern) Canada and northern Mexico are examined by comparing future summers' (i.e., 2049–2...