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Avi Margulies
6th period
Aura was sent to orbit Earth to research the Ozone Layer and the atmosphere. More specifically it takes measurements from the Ozone to investigate its trends and looks for specific gases in the atmosphere to find changes and connect it to climate change.
The Aura satellite researches the earth's atmosphere. It mainly looks at changes in the stratosphere, ozone layer, atmospheric composition, and Earth’s air quality. The ozone layer is what protects life on earth so it is important to learn and understand it. Aura is also looking at reasons for climate change and how we can change, which if we don’t our home will die faster than we think.
Resources:
-https://earth.esa.int/eogateway/missions/aura
-https://aura.gsfc.nasa.gov/whyaura.html
Aura is one of NASA’s satellites that launched on July 15, 2004. Its mission was supposed to end in 2010, but is still going strong to this day. It is part of the series of satellites called the international Earth Observing System (EOS) that studies the earth’s atmosphere. Aura focuses primarily on Earth’s lower stratosphere and troposphere. It has an Ozone Monitoring Instrument (OMI) that is pretty much a spectrograph that measures the solar radiation that the Earth atmosphere backscatters.
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TES
OMI
HIRDLS
MLS
The Microwave Limb Sounder (MLS):
-measures stratospheric temperatures
-measures upper tropospheric constituents, water vapor in tropical cirrus, and cirrus ice content.
The measurements that the MLS takes helps identify when there is potential loss of arctic ozone.
High Resolution Dynamics Limb Sounder (HIRDLS):
-observe temperature and concentration disruptions
The HIRDLS stopped working in 2008 but the actually satellite is still up and running.
Ozone Monitoring Instrument (OMI):
-measure cloud coverage/pressure
-distinguish between different aerosols
OMI allows scientists to measure more accurate ozone amounts as well as wavelength self calibration
Tropospheric Emission Spectrometer (TES):
-one of the first instruments to monitor lower layer of ozone
Its new measurements of gases in the atmosphere have created a different understanding of the earth's system. It did unfortunately stop working after 14 years.