Search results
Results from the WOW.Com Content Network
Following the ozone depletion in 1997 and 2011, a 90% drop in ozone was measured by weather balloons over the Arctic in March 2020, as they normally recorded 3.5 parts per million of ozone, compared to only around 0.3 parts per million lastly, due to the coldest temperatures ever recorded since 1979, and a strong polar vortex which allowed ...
The ozone layer visible from space at Earth's horizon as a blue band of afterglow within the bottom of the large bright blue band that is the stratosphere, with a silhouette of a cumulonimbus in the orange afterglow of the troposphere. The ozone layer or ozone shield is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet ...
Ozone in the troposhere is determined by photochemical production and destruction, dry deposition and cross-tropopause transport of ozone from the stratosphere. [2] In the Arctic troposphere, transport and photochemical reactions involving nitrogen oxides and volatile organic compounds (VOCs) as a result of human emissions also produce ozone resulting in a background mixing ratio of 30 to 50 ...
The ozone layer is on track to fully recover from its depletion within the next four decades, a panel of scientists gathered by the United Nations said on Monday. U.N.: Depletion of ozone layer ...
On current trends, the ozone layer is on track to recover to 1980 levels by around 2066 over the Antarctic, 2045 over the Arctic and 2040 for the rest of the world, the United Nations agency said ...
E. Stechow proposed that the extinction of the dinosaurs may be attributable to solar flares that destroyed the ozone layer, allowing ultraviolet radiation to shower the planet. [21] 1956. Max Walker de Laubenfels hypothesized that at the end of the Cretaceous, a bolide entered Earth's atmosphere, "[f]lash heating" it and incinerating the ...
New State Pictures has joined forces with Curiosity Rights to secure the life rights of scientist Susan Solomon, who led pioneering research into the destruction of the ozone layer in the 1980s.
Within the stratosphere is the ozone layer, a component that partially shields the surface from ultraviolet light and thus is important for life on Earth. The Kármán line , defined as 100 km (62 mi) above Earth's surface, is a working definition for the boundary between the atmosphere and outer space .