tropospheric aerosol Articles
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Geoengineering: Worthy of Cautious Evaluation?
If the increasing concentrations of greenhouse gases due to human activities are indeed causing inadvertent change in the climate, then can we not counter these influences by advertent changes of some type, deliberately geoengineering the climate to ensure optimal conditions? This is a question that was first considered several decades ago, soon after acceptance of indications that it was indeed ...
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Aircraft-based measurements of High Arctic springtime aerosol show evidence for vertically varying sources, transport and composition
Abstract. The sources, chemical transformations and removal mechanisms of aerosol transported to the Arctic are key factors that control Arctic aerosol–climate interactions. Our understanding of sources and processes is limited by a lack of vertically resolved observations in remote Arctic regions. We present vertically resolved observations of trace gases and aerosol composition in High ...
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Remote sensing of particular pollution from space: Have we reached the promised land?
The recent literature on satellite remote sensing of air quality is reviewed. 2009 is the 50th anniversary of the first satellite atmospheric observations. For the first 40 of those years, atmospheric composition measurements, meteorology, and atmospheric structure and dynamics dominated the missions launched. Since 1995, 42 instruments relevant to air quality measurements have been put into ...
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Study of the properties of Aerosols and the air quality index Using a Backscatter Lidar System and Aeronet Sunphotometer in the city of Sao Paulo, Brazil
Between the months of July and September of 2007 during the so-called Brazilian dry season, an aerosol profiling campaign was carried out with a backscatter(ing) lidar system in the city of Sao Paulo, Brazil. The main goal of this campaign was to observe the aerosol load in the troposphere (up to 10 km) and its daily behavior to check for air dispersion conditions, planetary boundary, and mixed ...
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SITHERMO: Development of a Novel Lidar System for the Profiling of Atmospheric Aerosols and Temperature (project code: Τ1ΕDΚ-02525) - Case study
Program: Operational Program «Competitiveness, Entrepreneurship and Innovation», under the call RESEARCH – CREATE – INNOVATE Starting date: 25/05/2018 Duration: 36 Μonths Summary: The object of the project is to develop the know-how and subsystems required for the construction of the first global lidar trading system for the simultaneous measurement of aerosols and ...
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Investigation of coastal sea-fog formation using the WIBS (wideband integrated bioaerosol sensor) technique
Abstract. A wideband integrated bioaerosol sensor (WIBS-4) was deployed in Haulbowline Island. Cork Harbour, to detect fluorescence particles in real time during July and September 2011. A scanning mobility particle sizer (SMPS) was also installed providing sizing analysis of the particles over the 10-450 nm range. During the campaign, multiple fog formation events occurred; they coincided with ...
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