Environmental Engineering
1. Dispersion modelling of particulate matter concentrations of sand product plants in a mineral complex

Y. Zehtab Yazdi; N. Mansouri; F. Atabi; H. Aghamohammadi

Volume 8, Issue 2 , Spring 2022, , Pages 265-280

http://dx.doi.org/10.22034/GJESM.2022.02.09

Abstract
  BACKGROUND AND OBJECTIVES: Sand and gravel product plants are among the significant sources of dust pollutants. This study was conducted to estimate dust concentrations released from these plants in a mineral complex in the southwest of Tehran.METHODS: Initially, the amount of silt and moisture content ...  Read More

Environmental Management
2. The dramatic impact of Coronavirus outbreak on air quality: Has it saved as much as it has killed so far?

R.J. Isaifan

Volume 6, Issue 3 , Summer 2020, , Pages 275-288

http://dx.doi.org/10.22034/gjesm.2020.03.01

Abstract
  The outbreak of coronavirus disease (COVID-19) was first reported from Wuhan, China, on December 31st, 2019. As the number of coronavirus infections has exceeded 100,000 with toll deaths of about 5000 worldwide as of early March, 2020, scientists and researchers are racing to investigate the nature of ...  Read More