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The Australian wildfires in 2019 and 2020 were historic for how far and fast they spread, and for how long and powerfully they burned. All told, the devastating “Black Summer” fires blazed across more...
In 2019, the hole that developed in the ozone layer over Antarctica was the smallest on record since the ozone hole was first discovered, according to scientists at NASA and the US National Ocean...
‘The blob’ of abnormal conditions boosted Western U.S. ozone levels
The blob Western U.S. ozone levels
2017/3/13
An unusually warm patch of seawater off the West Coast in late 2014 and 2015, nicknamed “the blob,” was part of an offshore pattern that had cascading effects up and down the coast. Its sphere of infl...
Fires Burning in Africa&Asia Cause High Ozone in Tropical Pacific（图）
Fires Africa Asia High Ozone Tropical Pacific
2016/2/22
While efforts to limit ozone precursor emissions tend to focus on industrial activities and fossil fuel combustion in the United States and China, a new University of Maryland-led study suggests that ...
Climate change threatens to worsen U.S. ozone pollution
Climate change threatens worsen U.S. ozone pollution
2014/6/12
BOULDER—Ozone pollution across the continental United States will become far more difficult to keep in check as temperatures rise, according to new research led by the National Center for Atmospheric ...
The IOA was formed in 1973 to serve as the focal point for technology transfer and developments on ozone-related issues. For this purpose, IOA has served as the central , worldwide gathering and disse...
Experimental model of ammonia elimination by ozone in the air
stable atmosphere air purifi cation technology animal stables air purifi cation by ozone
2014/2/24
Experimental device was created to model stable atmosphere. h e device consists of the glass vessel fi lled with air. Volume of the vessel is 30 litres. h e ammonia concentration is similar to s...
Impact of Nitrogen Oxides, Volatile Organic Compounds and Black Carbon on Atmospheric Ozone Levels at a Semi Arid Urban Site in Hyderabad
Trace gas Ozone Volatile organic compounds Black carbon Meteorology and oxides of nitrogen.
2016/3/25
The surface level ozone (O3), nitrogen oxides (NOx = NO2 + NO), volatile organic compounds (VOCs), black carbon (BC)
and meteorological parameters were continuously monitored for the period of one ye...
Controlling Indoor Bioaerosols Using a Hybrid System of Ozone and Catalysts
Disinfection Indoor air quality Biohazard Germicidal efficacy Microorganism.
2016/3/28
As people spend a greater portion of their time indoors, the likelihood of exposure to biohazards in indoor air is
increasing. This study developed a system to disinfect indoor bioaerosols while prot...
North American isoprene influence on intercontinental ozone pollution
North American isoprene intercontinental ozone pollution
2011/2/25
Changing land-use and climate may alter emissions of biogenic isoprene, a key ozone (O3) precursor. Isoprene is also a precursor to peroxy acetyl nitrate (PAN) and thus affects partitioning among oxid...
Ozone over the Western Mediterranean Sea – results from two years of shipborne measurements
Ozone the Western Mediterranean Sea shipborne measurements
2011/2/24
Ozone, along with other air pollutants, has been measured for two years from a monitoring station placed on a cruise ship that follows a regular track in the Western Mediterranean between April and Oc...
Attribution of observed changes in stratospheric ozone and temperature
observed changes stratospheric ozone temperature
2011/2/24
Three recently-completed sets of simulations of multiple chemistry-climate models with greenhouse gases only, with all anthropogenic forcings, and with anthropogenic and natural forcings, allow the ca...
An analysis of long-term regional-scale ozone simulations over the Northeastern United States: variability and trends
long-term regional-scale ozone the Northeastern United States variability and trends
2011/2/24
This study presents the results from two sets of 18-year air quality simulations over the Northeastern US performed with a regional photochemical modeling system. These two simulations utilize differe...
Insight from ozone and water vapour on transport in the tropical tropopause layer (TTL)
ozone and water vapour the tropical tropopause layer (TTL)
2011/1/19
We explore the potential of ozone observations to constrain transport processes in the tropical tropopause layer (TTL), and contrast it with insights that can be obtained from water vapour. Global fie...
Analysis of a rapid increase of stratospheric ozone during late austral summer 2008 over Kerguelen (49.4° S, 70.3° E)
stratospheric ozone late austral summer 2008 Kerguelen (49.4° S, 70.3° E)
2011/1/19
This paper reports on an increase of ozone event observed over Kerguelen (49.4° S, 70.3° E) in relationship with large-scale isentropic transport. This is evidenced by ground-based observations (co-lo...