| Ozone Observations |
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Spectacular Mountain Wave Events
The HIRDLS instrument aboard the Aura satellite is measuring temperature profiles of the atmosphere, revealing small-scale atmospheric buoyancy waves (also known as "gravity waves") in fine detail.
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'Double Record Breaker'
2006 Antarctic Ozone Hole seen by MLS
Prolonged low temperatures in September 2006 increased by the longevity of 'active chlorine', leading to a record area and depth of the ozone hole.
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First 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.
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Continuous measurement of HCl in stratosphere
The continuous measurement of HCl in the stratosphere shows the rapid recovery of this major chlorine reservoir after polar ozone loss, and continues the long-term measurements from UARS HALOE. Monitoring HCl tells us about ozone loss processes and the recovery of the ozone layer.
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First Measurement of OH in the Middle Stratosphere
The MLS measurements of OH and HO2 have provided the first tests of global stratospheric hydrogen chemistry and resolved the disagreement between model estimates of OH and earlier observations - these data suggest earlier observations are suspect.
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The Carbon Monoxide Tape Recorder
As tropical air rises into the stratosphere it carries with it trace gases, such as CFC's that are responsible for ozone depletion.
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NASA Satellite Eyes Atmosphere to Improve Pollution and Climate Forecasting
Thanks to the latest sophisticated, satellite-based instruments, local and regional air pollution and their sources can now be observed closely from space.
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OMI Measurement of Nitrogen Dioxide
This image from Aura's OMI instrument shows the total column amount of nitrogen dioxide, a precursor to the formation of tropospheric ozone.
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Destruction of Arctic Ozone this Winter
An unprecedended suite of simultaneous measurements by MLS allows more accurate quantification of ozone destruction in the 2004-
2005 Arctic winter.
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Solar Proton Flare Affects Mesospheric OH and Ozone
Aura MLS has provided first observation of this connection
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TES Special Observation: Nadir Step & Stare for Nov 3, 2004
The AIRS-visible images (left) show the TES footprint locations (blue) over a variety of cloud and surface conditions.
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