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Transcript

Aura Satellite

Avi Margulies

6th period

Mission Statement

Mission Statement

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.

Why Aura?

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.

Why Aura?

Resources:

-https://earth.esa.int/eogateway/missions/aura

-https://aura.gsfc.nasa.gov/whyaura.html

Mission Statement

Mission Summary

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.

Instruments

#4

#3

Instruments

#2

#1

TES

OMI

HIRDLS

MLS

MLS and HIRDLS

MLS and HIRDLS

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.

OMI and TES

OMI and TES

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.

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