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Researchers set to take to the air above the Arctic and New York City（图）
air above Arctic New York City
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2020/10/10
Atmospheric scientists are embarking on two new research projects supported by the U.S. National Science Foundation that involve using sophisticated planes to understand the atmospheric chemistry and ...
Inter-city Wage Differentials and the Value of Air Quality
Air Quality Wage Differentials
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2015/9/18
This paper proposes a method of valuing air quality based on differences in
wages among cities. Using an urban location model it is shown that the supply of
labor to any city increases with the real...
ASSESSING THE IMPACT OF URBANIZATION ON URBAN CLIMATE BY REMOTE SENSING PERSPECTIVE: A CASE STUDY IN DANANG CITY, VIETNAM
Danang, urban climate urbanization change detection
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2015/5/6
Urban climate, one of the challenges of human being in 21 century, is known as the results of land use/cover transformation. Its characteristics are distinguished by different varieties of climatic ...
Size Distribution of Airborne Particulate Matter and Associated Metallic Elements in an Urban Area of an Industrial City in Korea
Size distribution Metals Seasonal PM PCA Enrichment factor
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2016/3/28
This study analyzed the size distribution of airborne particulate matter (PM) and 13 metallic elements associated with it.
PM samples were collected using an eight-stage cascade impactor in a busy ur...
Characterization of the sources and processes of organic and inorganic aerosols in New York city with a high-resolution time-of-flight aerosol mass apectrometer
organic and inorganic aerosols New York city a high-resolution time-of-flight aerosol mass apectrometer
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2011/2/25
Submicron aerosol particles (PM1) were measured in-situ using a High-Resolution Time-of-Flight Aerosol Mass Spectrometer during the summer 2009 Field Intensive Study at Queens College in New York, NY....
Anthropogenic imprints on nitrogen and oxygen isotopic composition of precipitation nitrate in a nitrogen-polluted city in southern China
nitrogen oxygen isotopic precipitation nitrate a nitrogen-polluted city southern China
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2011/2/25
Nitric acid (HNO3) or nitrate (NO3−) is the dominant sink for reactive nitrogen oxides (NOx = NO + NO2) in the atmosphere. In many Chinese cities, HNO3 is becoming a significant contributor to a...
Impact of Manaus City on the Amazon Green Ocean atmosphere: ozone production, precursor sensitivity and aerosol load
Manaus City the Amazon Green Ocean atmosphere ozone production precursor sensitivity aerosol load
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2010/10/11
We used a Single Column Chemistry and Transport Model (SCM) to infer the urban pollution emission fluxes of Manaus City, implying observed mixing ratios of CO, NOx and VOC. The model can reproduce the...
Measurements and receptor modeling of volatile organic compounds in Southeastern Mexico City, 2000–2007
volatile organic compounds Southeastern Mexico City 2000–2007
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2010/10/11
Ambient samples of volatile organic compounds (VOCs) were measured between 2000 and 2007 in Southeastern Mexico City, quantifying 13 species (ethane, propane, propylene, butane, acetylene, pentane, he...
Impact of model resolution on chemical ozone formation in Mexico City: application of the WRF-Chem model
model resolution chemical ozone formation Mexico City the WRF-Chem model
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2010/10/11
The resolution of regional chemical/dynamical models has important effects on the calculation of the distributions of air pollutants in urban areas. In this study, the sensitivity of air pollutants an...
Investigation of the correlation between odd oxygen and secondary organic aerosol in Mexico City and Houston
the correlation odd oxygen and secondary organic aerosol Mexico City Houston
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2010/10/11
Many recent models underpredict secondary organic aerosol (SOA) particulate matter (PM) concentrations in polluted regions, indicating serious deficiencies in the models' chemical mechanisms and/or mi...
An overview of the MILAGRO 2006 Campaign: Mexico City emissions and their transport and transformation
the MILAGRO 2006 Campaign Mexico City emissions transport and transformation
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2010/9/21
This paper describes the measurements performed during MILAGRO and the results obtained on MCMA's atmospheric meteorology and dynamics, emissions of gases and fine particles, sources and concentration...
The production and persistence of ΣRONO2 in the Mexico City plume
ΣRONO2 the Mexico City plume
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2010/8/16
Alkyl and multifunctional nitrates (RONO2, ΣANs) have been observed to be a significant fraction of NOy in a number of different chemical regimes. Their formation is an important free radical chain te...
Long-range pollution transport during the MILAGRO-2006 campaign: a case study of a major Mexico City outflow event using free-floating altitude-controlled balloons
Long-range pollution transport the MILAGRO-2006 campaign a major Mexico City outflow event free-floating altitude-controlled balloons
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2010/8/16
One of the major objectives of the Megacities Initiative: Local And Global Research Observations (MILAGRO-2006) campaign was to investigate the long-range transport of polluted Mexico City Metropolita...
Oxidative capacity of the Mexico City atmosphere – Part 2: A ROx radical cycling perspective
Oxidative capacity the Mexico City atmosphere A ROx radical cycling perspective
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2010/8/16
A box model using measurements from the Mexico City Metropolitan Area study in the spring of 2003 (MCMA-2003) is presented to study oxidative capacity (our ability to predict OH radicals) and ROx (ROx...
Oxidative capacity of the Mexico City atmosphere – Part 1: A radical source perspective
Oxidative capacity the Mexico City atmosphere A radical source perspective
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2010/8/16
A detailed analysis of OH, HO2 and RO2 radical sources is presented for the near field photochemical regime inside the Mexico City Metropolitan Area (MCMA). During spring of 2003 (MCMA-2003 field camp...