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Carbon dioxide levels are rising across wide swaths of the Arctic Ocean's Canada Basin（图）
Carbon dioxide levels rising across wide swaths Arctic Ocean Canada Basin
2020/7/10
Melting of Arctic ice caused by climate change has exposed more sea surface to the atmosphere. Scientists have long suspected this trend would increase carbon dioxide in Arctic Ocean waters.Now U...
Inter-community variability in total particle number concentrations in the eastern Los Angeles air basin
particle number the eastern Los Angeles air basin
2010/12/20
Ultrafine Particles (UFP) can display sharp gradients in their number concentrations in urban environment due to their transient nature and rapid atmospheric processing. The ability of using air pollu...
Emission and dry deposition of accumulation mode particles in the Amazon Basin
mode particles the Amazon Basin
2010/11/29
Size-resolved vertical aerosol number fluxes of particles in the diameter range 0.25–2.5 μm were measured with the eddy covariance method from a 53 m high tower over the Amazon rain forest, 60 km NNW ...
Transport of North African dust from the Bodélé depression to the Amazon Basin: a case study
North African dust the Bodélé depression the Amazon Basin
2010/8/25
This case study follows the dust events of 11–16 and 18–27 February 2008, from the emission in the Bodélé over West Africa (most likely with contribution from other dust sources in the region) the cro...
Ozone predictabilities due to meteorological uncertainties in the Mexico City basin using ensemble forecasts
Ozone predictabilities meteorological uncertainties the Mexico City basin ensemble forecasts
2010/8/16
The purpose of the present study is to investigate the sensitivity of ozone (O3) predictions in the Mexico City Metropolitan Area (MCMA) to meteorological initial uncertainties and planetary boundary ...
Impacts of electronically photo-excited NO2 on air pollution in the South Coast Air Basin of California
electronically photo-excited NO2 air pollution South Coast Air Basin California
2010/2/21
A new path for hydroxyl radical formation via photo-excitation of nitrogen dioxide (NO2) and the reaction of photo-excited NO2 with water is evaluated using the UCI-CIT model for the South Coast Air B...
Aerosol seasonal variability over the Mediterranean region and relative impact of maritime, continental and Saharan dust particles over the basin from MODIS data in the year 2001
Aerosol seasonal variability Mediterranean region continental and Saharan dust particles
2009/3/10
The one-year (2001) record of aerosol data from the space borne Moderate Resolution Imaging Spectroradiometer (MODIS) is analyzed focusing on the Mediterranean region. The MODIS aerosol optical thickn...
Real-time measurements of ammonia, acidic trace gases and water-soluble inorganic aerosol species at a rural site in the Amazon Basin
acidic trace gases water-soluble inorganic aerosol species Amazon Basin
2009/2/27
We measured the mixing ratios of ammonia (NH3), nitric acid (HNO3), nitrous acid (HONO), hydrochloric acid (HCl), sulfur dioxide (SO2 and the corresponding water-soluble inorganic aerosol species, amm...
Mexico City basin wind circulation during the MCMA-2003 field campaign
Mexico City MCMA-2003 field campaign
2009/2/16
MCMA-2003 was a major field campaign investigating the atmospheric chemistry of the Mexico City Metropolitan Area (MCMA) in April of 2003. This paper describes the wind circulation patterns during th...
Importance of the organic aerosol fraction for modeling aerosol hygroscopic growth and activation: a case study in the Amazon Basin
organic aerosol fraction modeling aerosol hygroscopic growth Amazon Basin
2009/1/14
The aerosol in the Amazon basin is dominated throughout the year by organic matter, for the most part soluble in water. In this modeling study, we show how the knowledge of water-soluble organic compo...
Optical and physical properties of aerosols in the boundary layer and free troposphere over the Amazon Basin during the biomass burning season
Optical physical properties boundary layer free troposphere Amazon Basin biomass burning season
2009/1/13
As part of the Large Scale Biosphere-Atmosphere Experiment in Amazonia – Smoke, Aerosols, Clouds, Rainfall and Climate (LBA-SMOCC) campaign, detailed surface and airborne aerosol measurements were per...
Rapid ventilation of the Mexico City basin and regional fate of the urban plume
Rapid ventilation Mexico City regional fate the urban plume
2009/1/9
Urban areas can be large emitters of air pollutants leading to negative health effects and environmental degradation. The rate of venting of these airsheds determines the pollutant loading for given e...
Satellite-derived land surface parameters for mesoscale modelling of the Mexico City basin
Satellite-derived land surface parameters mesoscale modelling Mexico City
2009/1/6
Mesoscale meteorological modelling is an important tool to help understand air pollution and heat island effects in urban areas. Accurate wind simulations are difficult to obtain in areas of weak syno...
Basin-scale wind transport during the MILAGRO field campaign and comparison to climatology using cluster analysis
Basin-scale wind transpor MILAGRO climatology cluster analysis
2008/10/31
The MILAGRO field campaign was a multi-agency international collaborative project to evaluate the regional impacts of the Mexico City air pollution plume as a means of understanding urban impacts on ...