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Latest Science Features

science feature New-generation OMI Volcanic Sulfur Dioxide Dataset and continuation with SNPP OMPS
As compared with the previous OMI data product, this new version significantly reduces retrieval bias for large volcanic eruptions and improves data quality for small degassing volcanoes.
science feature NASA Sulfur Dioxide Data Featured in New Volcanic Eruption Visualization
The Global Volcanism Program at the Smithsonian Institution National Museum of Natural History has created a new Eruptions, Earthquakes and Emissions web visualization using NASA volcanic sulfur dioxide data from multiple satellites.
science feature Study Estimates ~100,000 Premature Deaths from El Niño Fires in Equatorial Asia
GEOS-Chem adjoint study estimates ~100,000 premature deaths in Equatorial Asia due to severe, persistent smoke from the El Niño fires.
science feature N2O measurements are key to quantifying the photochemical and transport processes that affect Arctic spring ozone
The Arctic seasonal evolution of simulated O3 and the long lived trace gas N2O from the Global Modeling Initiative Chemistry and Transport Model (GMI CTM) both closely agree with MLS observations for all years since Aura's launch in 2004.
science feature Large ozone holes will continue to occur in very cold Antarctic winters until 2040
The next three decades will see an end of the era of big ozone holes. In a new study, scientists from NASA Goddard Space Flight Center say that the ozone hole will be consistently smaller than 8 million square miles by the year 2040.
science feature The Quasi-Biennial Oscillation in Tropical Winds Controls Chlorine Variability inside the Antarctic Ozone Hole
A decade of MLS Nitrous oxide reveals a remarkable transport pipeline from the midlatitude middle stratosphere to the Antarctic lower stratosphere, allowing tropical winds to modulate how much chlorine reaches the Antarctic ozone hole each year.

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Aura In the News

Satellite Finds Unreported Sources of Sulfur Dioxide
6.07.2016 - NASA Earth Observatory's Image: The map shows a regional picture of sulfur dioxide emissions as detected by the Ozone Monitoring Instrument (OMI) on NASA's Aura spacecraft.

NASA Satellite Finds Unreported Sources of Toxic Air Pollution
6.01.2016 - Using a new satellite-based method, scientists at NASA, Environment and Climate Change Canada, and two universities have located 39 unreported and major human-made sources of toxic sulfur dioxide emissions.

NASA Scientists Scrutinize Arctic Gas Flaring Pollution
4.26.2016 - Flaring of waste natural gas from industrial oil fields in the Northern Hemisphere is a potential source of significant amounts of nitrogen dioxide and black carbon to the Arctic, according to a new NASA study, which features OMI Nitrogen dioxide data.

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