Other Topics

COVID-19 (SARS-CoV-2) Pandemic 2020

The COVID-19 worldwide pandemic has expanded the interest in the scientific community toward the development and application of numerical tools to simulate the potential atmospheric transport of the virus SARS-CoV-2 from one person to another.

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A set of introductory slides on regulations and public policies has been provided, courtesy of Dr. Christian Seigneur. These slides are the basis of his 2019 book: Air Pollution - Concepts, Theory, and Applications.

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Subway/Metro Environments

Although commuters typically spend only 30–40 min in metros, the air pollutants emitted from various interior components of metro system as well as air pollutants carried by ventilation supply air are significant sources of harmful air pollutants that could lead to unhealthy human exposure.

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Los Angeles Smog

The Los Angeles smog of the 1940s represents the first noticeable occurrence of a new type of air pollution: the photochemical smog. The first serious episode occurred on July 26, 1943, when Los Angeles residents believed the Japanese were attacking them with chemical warfare.

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Donora 1948

Many believe that the 1948 Donora smog was the worst air pollution disaster in U.S. history. On Saturday October 30, around 2 a.m., the first death occurred. Within days, 19 more people from Donora and Webster were dead. A preliminary report was released in October 1949, with inconclusive results. Rather than singling out the nearby mills and the effluent they produced, the researchers pointed to a combination of factors.

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London Smog 1950s

Heavy fog was a common event in London. However, in December 1952 a combination of very cold conditions, stagnant air caused by a high-pressure weather system, ground-based temperature inversion, and coal burning emissions created an unprecedented and deadly smoke + fog (= smog) series of events.

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Seveso 1976

The Seveso disaster was an industrial accident that occurred around 12:37 pm July 10, 1976, in a small chemical manufacturing plant approximately 15 km (9.3 mi) north of Milan in the Lombardy region in Italy. A chemical reactor exploded at the ICMESA plant located in Meda near Seveso, Italy.

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Bhopal Gas Accident 1984

Bhopal is considered the world’s worst industrial disaster. On December 3, 1984, more than 40 tons of methyl isocyanate gas leaked from a Union Carbide Corporation (UCC) pesticide plant in Bhopal, India, immediately killing at least 3,800 people and causing significant morbidity and premature death for many thousands more.

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Chernobyl 1986

On April 26, 1986, a sudden surge of power during a reactor systems test destroyed Unit 4 of the nuclear power station at Chernobyl, Ukraine, in the former Soviet Union. The accident and the fire that followed released massive amounts of radioactive material into the environment.

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Fukushima 2011

On March 11, 2011, a 9.0-magnitude earthquake struck Japan about 231 miles (372 kilometers) northeast of Tokyo off the Honshu Island coast. Fukushima Dai-ichi lost all power from the electric grid, with diesel generators providing power for about 40 minutes. At that point, an estimated 45-foot-high (14 meter) tsunami hit the site, damaging many of the generators.

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