Sentence examples for pollution episode from inspiring English sources

"This has all combined to create high concentrations of pollutants in the air". "This pollution episode comes just a week after the World Health Organisation estimated that 7m premature deaths annually are linked to air pollution.

Then, we focus on the pollution episode of June 24.

"But this pollution episode was not a natural phenomenon as was suggested in some media.

The term smog (i.e., smoke and fog) was coined to describe this kind of winter pollution episode.

For example, the first great pollution episode in life's history, which formed oxygen, was a product of more efficient photosynthesis.

This paper examines the inter-suburb dispersion of particulate air pollution in Christchurch, New Zealand, during a wintertime particulate pollution episode.

This regulation is designed to prevent the excessive buildup of air pollutants during air pollution episodes, thereby preventing the occurrence of an emergency due to the effects of these pollutants on the health of persons.

"Since the beginning of 2011, we estimate that more than 75% of air pollution episodes have occurred when pollutants have been blown in from Europe".

In winter when solar heating is weak, breaking of the inversion is difficult and accumulation of pollutants may result in severe air pollution episodes ( problem 4. 5 ). Figure 4-19 Vertical profiles of temperature T, potential temperature q, water vapor (dew point), and ozone measured by aircraft in early afternoon in August over eastern Canada.

Temperature inversions prevent the upward mixing and dispersion of pollutants and are the major cause of air pollution episodes.

Strong and persistent subsidence inversions can lead to accumulation of pollutants in the PBL over several days, resulting in air pollution episodes.