DISCOVER-AQ is a four-year campaign to improve the use of satellites to monitor air quality
for public health and environmental benefit. Through targeted airborne and ground- based observations,
DISCOVER-AQ will enable more effective use of current and future satellites to diagnose ground level
conditions influencing air quality.
The DEVOTE project, a hands-on training initiative, is lead by a team of early career scientists
and engineers who will not only gain mission experience, but will also contribute to the latest
Earth science research through a field campaign. The project Development and Evaluation of satellite
ValidatiOn Tools by Experimenters (DEVOTE) was awarded $800k in response to the Hands-On Project Experience (HOPE),
an initiative funded jointly by the Office of Chief Engineer and the Science Mission Directorate at NASA Headquarters.
DEVOTE is aimed at improving the next generation of aerosol satellites.
||GTE - Global Tropospheric Experiment
GTE utilizes large, extensively instrumented aircraft as primary research tools. However,
GTE also draws heavily upon satellite observations of meteorology, land use and atmospheric
chemical species to aid in experiment design and in the scientific analyses of results
obtained from aircraft and ground-based measurements. The GTE, managed through the
Tropospheric Chemistry Program in the Earth Science Division, Science Mission Directorate
at NASA Headquarters, was initiated in the early 1980s. Implementation of the GTE Project is
the responsibility of the Science Directorate at the NASA Langley Research Center.
||IMPACT - Interactive Modeling Project for Atmospheric Chemistry and Transport
Atmospheric modeling and simulation studies have been invaluable in the development of our
current level of understanding of the fundamental processes of radiation, chemistry and
dynamics that ultimately determine the circulation, thermal structure and distribution of
constituents in the Earth's atmosphere. Many of these studies have treated the processes
independently or have suppressed important couplings between them. This approach was a conscious strategy adopted to make the studies tractable and often relied on assumptions that the couplings were weak enough to neglect. Recently however, there has been increased awareness that many phenomena of interest may involve subtle and complex interactions among these processes.
||LiDAR - Light Detection and Ranging
The LiDAR group at NASA Langley Research Center has been developing and applying advanced
lidar systems to a broad range of atmospheric investigations. These activities have included
the development and application of airborne Differential Absorption Lidar (DIAL) systems
for studies of ozone, water vapor, aerosols and clouds.
||RAQMS - Regional Air Quality Modeling System
Scientists use the RAQMS computer model to predict air quality around the globe.
RAQMS has been designed to address the atmospheric chemistry modeling needs for
NASA's Earth Science Enterprise science missions and to prototype future
NASA, NOAA and EPA operational air quality prediction systems.
||TOR Maps - Tropospheric Ozone Residual
Scientists now have a new data set to view the past two decades
of ozone in the lower atmosphere. Using a technique pioneered by a
Langley scientist, researchers have completed daily maps of ozone in
the lower atmosphere between 50 degrees north and 50 degrees south from
1979 to 2000. The database is available at the TOR Web site.