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CHANGES IN THE URBAN SPATIAL STRUCTURE OF THE GREATER CAIRO METROPOLITAN AREA, EGYPT
Greater Cairo pixel-based and object-based classifications land use/land cover (LU/LC) change detection analysis
2014/5/9
Since the 1980s, rapid population growth and urbanization have become issues in big cities like Greater Cairo (GC). As a consequence of explosive growth, the living conditions of Cairo Metropolis dete...
Vertically-resolved particle size distribution within and above the mixing layer over the Milan metropolitan area
Vertically-resolved particle size distribution the mixing layer
2010/8/12
Vertical aerosol profiles were directly measured over the city of Milan during three years (2005–2008) of field campaigns. An optical particle counter, a portable meteorological station and a miniatur...
Evaluation of the volatility basis-set approach for the simulation of organic aerosol formation in the Mexico City metropolitan area
volatility basis-set approach organic aerosol formation Mexico City metropolitan area
2010/2/1
New primary and secondary organic aerosol modules have been added to PMCAMx, a three dimensional chemical transport model (CTM), for use with the SAPRC99 chemistry mechanism based on recent smog chamb...
Sensitivity analyses of OH missing sinks over Tokyo metropolitan area in the summer of 2007
Sensitivity analyses OH missing sinks Tokyo metropolitan area
2009/12/3
OH reactivity is one of key indicators which reflect impacts of photochemical reactions in the atmosphere. An observation campaign has been conducted in the summer of 2007 at the heart of Tokyo metrop...
Impact of primary formaldehyde on air pollution in the Mexico City Metropolitan Area
primary formaldehyde air pollution Mexico City Metropolitan Area
2009/5/7
Formaldehyde (HCHO) is a radical source that plays an important role in urban atmospheric chemistry and ozone formation. The Mexico City Metropolitan Area (MCMA) is characterized by high anthropogenic...
In situ measurements of speciated atmospheric mercury and the identification of source regions in the Mexico City Metropolitan Area
speciated atmospheric mercury source regions Mexico City Metropolitan Area
2009/3/12
In order to expand the currently limited understanding of atmospheric mercury source-receptor relationships in the Mexico City Metropolitan Area, real time measurements of atmospheric mercury were mad...
Measurements of aerosol absorption and scattering in the Mexico City Metropolitan Area during the MILAGRO field campaign: a comparison of results from the T0 and T1 sites
aerosol absorption Mexico City Metropolitan Area MILAGRO field campaign
2009/3/12
In March 2006, a multiagency field campaign was undertaken in Mexico City called the Megacities Initiative: Local and Global Research Observations (MILAGRO). Two of the five field components of the MI...
Characterization of on-road vehicle emissions in the Mexico City Metropolitan Area using a mobile laboratory in chase and fleet average measurement modes during the MCMA-2003 field campaign
on-road vehicle emissions Mexico City Metropolitan Area mobile laboratory MCMA-2003 field campaign
2009/1/19
A mobile laboratory was used to measure on-road vehicle emission ratios during the MCMA-2003 field campaign held during the spring of 2003 in the Mexico City Metropolitan Area (MCMA). The measured em...
Aerosol composition and source apportionment in the Mexico City Metropolitan Area with PIXE/PESA/STIM and multivariate analysis
source apportionment Mexico City Metropolitan Area PIXE/PESA/STIM multivariate analysis
2009/1/15
Aerosols play an important role in the atmosphere but are poorly characterized, particularly in urban areas like the Mexico City Metropolitan Area (MCMA). The chemical composition of urban particles m...
Processing of soot in an urban environment: case study from the Mexico City Metropolitan Area
Processing of soot urban environment Mexico City Metropolitan Area
2009/1/14
Chemical composition, size, and mixing state of atmospheric particles are critical in determining their effects on the environment. There is growing evidence that soot aerosols play a particularly imp...
Atmospheric oxidation in the Mexico City Metropolitan Area (MCMA) during April 2003
Atmospheric oxidation Mexico City Metropolitan Area MCMA
2009/1/12
The Mexico City Metropolitan Area (MCMA) study in April 2003 had measurements of many atmospheric constituents, including OH and HO2. It provided the first opportunity to examine atmospheric oxidation...
Estimation of a “radiatively correct” black carbon specific absorption during the Mexico City Metropolitan Area (MCMA) 2003 field campaign
radiatively correct black carbon Mexico City Metropolitan Area
2008/12/4
During the Mexico City Metropolitan Area (MCMA) field campaign of 2003, measurements of the shortwave radiation field allowed the inference of the black carbon (BC) specific absorption, αλ, defined a...
Characterizing ozone production in the Mexico City Metropolitan Area: a case study using a chemical transport model
ozone production Mexico City Metropolitan chemical transport model
2008/12/3
An episodic simulation is conducted to characterize midday (12:00–17:00 CDT) ozone (O3) photochemical production and to investigate its sensitivity to emission changes of ozone precursors in the Mexic...
Modelling constraints on the emission inventory and on vertical dispersion for CO and SO2 in the Mexico City Metropolitan Area using Solar FTIR and zenith sky UV spectroscopy
CO SO2 Mexico City Metropolitan Area Solar FTIR UV spectroscopy
2008/12/1
Emissions of air pollutants in and around urban areas lead to negative health impacts on the population. To estimate these impacts, it is important to know the sources and transport mechanisms of the ...
Estimation of the mass absorption cross section of the organic carbon component of aerosols in the Mexico City Metropolitan Area
organic carbon aerosols Mexico City
2008/11/26
Data taken from the MCMA-2003 and the 2006 MILAGRO field campaigns are used to examine the absorption of solar radiation by the organic component of aerosols. Using irradiance data from a Multi-Filter...