Air Quality Archives - CMOS BULLETIN SCMO

An overview of field work conducted on high-latitude mineral dust aerosol in the Ä’äy Chù Valley in Kluane National Park, Yukon

Written on August 7, 2022.

– By Arnold Downey – Mineral Dust Aerosol (MDA) is known to have an important influence on several environmental topics. Like all aerosol, MDA plays a role in the radiative balance of the atmosphere,...

Micrometeorological Variables and Atmospheric Dispersion Modeling in Two Climate Regions of Quebec

Written on July 27, 2020.

– By Richard Leduc, Ph.D., AirMet Science Inc., and Jean-François Brière, Ministère de l’Environnement et de la Lutte contre les changements climatiques The US-EPA (2019a) AERMOD dispersion...

skyscraper view of traffic lights and Vancouver tower

Air Pollution in the Time of COVID-19

Written on May 6, 2020.

– By D.G. Steyn, Department of Earth, Ocean and Atmospheric Sciences, The University of British Columbia, Vancouver, B.C., and Kyle Howe, Air Quality and Climate Change, Metro Vancouver Regional...

Visibility Forecast in Wildfire Smoke: An August 2018 Case Study

Written on April 27, 2020.

– By Yimei Li, Canadian Meteorological Aviation Centre, Environment and Climate Change Canada – In recent years, wildfire smoke has become an increasingly alarming natural disaster in Western...

Blue Sky Blues or the Three Degrees of Aircraft Pollution

Written on April 10, 2020.

– By Phil Chadwick – The title of this 2012 painting below, numbered 1260 in my artistic journey, is “Three Degrees”. That title might sound cryptic. Let me explain. All air...

Lighthouse at night with dark clouds and lightning bolt

Message from the CMOS President: Resilience and Possibility in Challenging Times

Written on March 30, 2020.

– By Kimberly Strong, CMOS President and Professor & Chair, Department of Physics, University of Toronto – Dear CMOS Friends and Colleagues, As we go ‘to press’ with this issue of the CMOS Bulletin,...

Toward Quantifying Area-fugitive Greenhouse Gas
(GHG) Emissions from Open-pit Mines

Written on February 12, 2020.

– By Amir Nazem, Md. Rafsan Nahian, Ryan Byerlay, Manoj K. Nambiar, and Amir A. Aliabadi- Conventional techniques to quantify area-fugitive Greenhouse Gas (GHG) emissions from an open-pit...

MOPITT – Measuring Pollution in the Troposphere for 20 Years

Written on December 21, 2019.

– By Prof. James R. Drummond, FRSC, Department of Physics & Atmospheric Science, Dalhousie University – Most scientific projects run for a few years and then the people involved move...

Comparison of wind forecasts and observations at Lake Saint-Charles, Quebec: Results from 2018

Written on October 27, 2019.

– By Richard Leduc, AirMet Science Inc – In a recent CMOS Bulletin (Vol 46, No 4), the results of the comparison between the wind forecasts from the high resolution deterministic prediction...

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