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Science Features : TES

Multiple Aura Datasets Contribute to the Tropospheric Ozone Assessment Report (TOAR) Multiple Aura Datasets Contribute to the Tropospheric Ozone Assessment Report (TOAR)
In the troposphere, ozone is both a major pollutant and a strong greenhouse gas. Although spaceborne and ground-based observations largely agree on the overall tropospheric ozone loading, estimates of decadal-scale trends vary significantly between datasets.
science feature Identifying large biomass burning contribution to urban pollution
The suite of TES observations allows quantification of the impact of seasonal biomass burning pollution on the already poor air quality of the world's megacities.
science featureQuantifying urban pollution production, transformation & export
TES measurements of key chemical species allow us to examine not only air quality within the megacity, but also the regional and larger-scale implications of Mexico City pollution as it is transported out of the urban area.
Ozone featureTES measurements demonstrate ammonia emissions are under-reported
Ammonia (NH3) pungently affects air quality. It is also involved in the formation of aerosol PM2.5 particles, which have adverse health effects, and impacts soil acidification, biodiversity, and the nitrogen cycle.
Ozone featureNASA Ozone Study May Benefit Air Standards (Science Daily article)
A new NASA-led study uses TES data to find that when it comes to combating global warming caused by emissions of ozone-forming chemicals, location matters.
 TES Water Vapor Isotope Data used to Evaluate Moisture Processes in Climate Models
Differences between TES data and climate models are due to rainfall, evaporation and mixing processes....
TES featureThe Global Carbon Cycle
04.2011 - TES measurements provide constraints on carbon dioxide (CO2) emission and uptake and methane (CH4) emissions.
TES featureTES Water Vapor Isotopes
04.2011 - Stable isotopes from TES is used to constrain convective parameterization in a climate model.
TES featureThe greenhouse effect of tropospheric ozone
04.2011 - This map shows the longwave radiative effect of infrared radiation absorbed by tropospheric ozone as estimated from TES top-of- atmosphere observations.
TES featureAmmonia from TES
04.2011 - TES captures the variability of ammonia over the Earth's surface.
TES ammonia over farming regionsTES ammonia over farming regions
TES retrievals show consistent dependence on concentration of livestock facilities
TESTES Sensitivity
TES CO2 data are being used to estimate CO2 surface fluxes
Atmospheric moisture recyclingHow does atmospheric moisture recycling contribute to tropical humidity?
TES vapor isotope measurements provide details about moist processes in the atmosphere and how they should be represented in climate models.
CO-OzoneCO-Ozone constraints on chemistry-climate models
Global correlation patterns of ozone and CO derived from TES observations and model simulations
Aura Science Result ImageTES Hunts the Trail of Earth's Water
For the first time, NASA scientists have used a shrewd spaceborne detective to track the origin and movement of water vapor throughout Earth's atmosphere.
TES Tropospheric mapsFirst Maps of Tropospheric Ozone & Carbon Monoxide
Coincident measurements of tropospheric ozone and carbon monoxide are critical for understanding chemical and dynamical processes, which can be very complex in the troposphere.
TES measurementsFirst Global Observations of HDO/H2O ratio - A Tracer of Global Hydrological Processes
The hydrological cycle acts differently in different location. The TES measurements show that in the tropics, re-evaporation of precipitation is an important process controlling cloud formation.
Aura Science Result ImageTES HDO / H20 (Surface- 550 hPa)
HDO measurements tell us about ice cloud formation and evaporation. This is the first map of HDO ever made.
Aura Science Result ImageTES Carbon Monoxide
High values of CO near biomass burning regions and NH cities. CO in the upper trop is lofted by convection and fires.
Aura Science Result ImageTES Special Observation: Nadir Step & Stare
The AIRS-visible images (left) show the TES footprint locations (blue) over a variety of cloud and surface conditions.





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