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"Improved estimates of smoke exposure during Australia fire seasons: im" by Xu Feng, Loretta J. Mickley et al.

Wildfires can have a significant impact on air quality in Australia during severe burning seasons, but incomplete knowledge of the injection heights of smoke plumes poses a challenge for quantifying smoke exposure. In this study, we use two approaches to quantify the fractions of fire emissions injected above the planetary boundary layer (PBL), and we further investigate the impact of plume injection fractions on daily mean surface concentrations of fine particulate matter (PM2.5) from wildfire smoke in key cities over northern and southeastern Australia from 2009 to 2020. For the first method, we rely on climatological, monthly mean vertical profiles of smoke emissions from the Integrated Monitoring and Modelling System for wildland fires (IS4FIRES) together with assimilated PBL heights from NASA Modern-Era Retrospective Analysis for Research and Application (MERRA) version 2. For the second method, we develop a novel approach based on the Multi-angle Imaging SpectroRadiometer (MISR) ....

Era Retrospective Analysis For Research , Integrated Monitoring , Modelling System , Era Retrospective Analysis , Multi Angle Imaging Spectroradiometer , Stochastic Time Inverted Lagrangian Transport ,

New air tracker allows Utah residents to trace pollution sources

A new tool developed with the help of a University of Utah professor has a mission to help track air pollution and teach people about the air they're breathing. ....

United States , Salt Lake City , University Of Utah , John Lin , Environmental Defense Fund , Department Of Atmospheric Sciences , Stochastic Time Inverted Lagrangian Transport , Air Quality , Utah Air , Utah Air Pollution , Utah Air Quality ,