Refining Long-Term Data of Ozone in the Stratosphere Using Observations and Modeling 2 December 2022

Refining Long-Term Data of Ozone in the Stratosphere Using Observations and Modeling

A recent study supported by AC4 uses modeling methods to improve long-term observational records, confirming an understood trend of decreasing ozone in the lower stratosphere and challenging previous work showing a positive trend in the upper stratosphere.

New Air Quality and Community Health Research Subcommittee (ACRS) Under the OSTP Co-Chaired by CPO’s Monika Kopacz 1 December 2022

New Air Quality and Community Health Research Subcommittee (ACRS) Under the OSTP Co-Chaired by CPO’s Monika Kopacz

The newly approved Air Quality and Community Health Research Subcommittee (ACRS) under the OSTP will be led jointly by NOAA, EPA and NIEHS and co-chaired by CPO’s Atmospheric Chemistry, Carbon Cycle and Climate (AC4) Program Manager Monika Kopacz.

Join us at AGU for the NOAA GeoXO Atmospheric Composition Town Hall on Thursday, December 15th! 28 November 2022

Join us at AGU for the NOAA GeoXO Atmospheric Composition Town Hall on Thursday, December 15th!

This AGU 2022 Town Hall session will provide an overview of GeoXO’s recommended AC capabilities and give a status update on the planning process leading up to the expected launch in early 2030s.

New Study Discovers a Key Model Improvement to Accurately Represent Atmospheric Aerosols 11 November 2022

New Study Discovers a Key Model Improvement to Accurately Represent Atmospheric Aerosols

An AC4-funded research study finds model bias related to aerosol concentrations compared to global aircraft field data, and corrects the bias using improved precipitation representation.

Using Airborne and Ground-Based Field Observations to Improve Understanding of Atmospheric Ozone Production 28 October 2022

Using Airborne and Ground-Based Field Observations to Improve Understanding of Atmospheric Ozone Production

A new AC4-funded study on atmospheric ozone production uses field observations to investigate changes in ozone production on high ozone concentration days during the summer of 2018.

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Americans’ health, security and economic wellbeing are tied to climate and weather. Every day, we see communities grappling with environmental challenges due to unusual or extreme events related to climate and weather.