MILAGRO (Megacity Initiative: Local And Global Research Observations) is an international
collaborative project to examine the behavior and the export of atmospheric emissions from …

More than half of the world's population now lives in cities as a result of unprecedented
urbanization during the second half of the 20th century. The urban population is projected to …

The Model for Ozone and Related chemical Tracers, version 4 (MOZART-4) is an offline
global chemical transport model particularly suited for studies of the troposphere. The …

Urbanization is an ongoing global phenomenon as more and more people are moving from
rural to urban areas for better employment opportunities and a higher standard of living …

The introduction of aggressive emission control policies propelled three decades ago has
led to significant reductions of ozone (O 3) levels in the Mexico City Metropolitan Area …

The volatile organic compound (VOC) distribution in the Mexico City Metropolitan Area
(MCMA) and its evolution as it is uplifted and transported out of the MCMA basin was studied …

Recent in situ and satellite measurements suggest a contribution of~ 5 pptv to stratospheric
inorganic bromine from short-lived bromocarbons. We conduct a modeling study of the two …

Heterogeneous ice nucleation on solid ammonium sulfate and glutaric acid particles was
studied using optical microscopy and Raman spectroscopy. Optical microscopy was used to …

The objective of this study is to analyze the pollution inflow into California during
summertime and how it impacts surface air quality through combined analysis of a suite of …

The sensitivity of ozone production to precursor emissions was investigated under five
different meteorological conditions in the Mexico City Metropolitan Area (MCMA) during the …