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The carbon cycle refers to the continuous movement of carbon, the most abundant element on the planet, through the oceans, land, atmosphere, fossil fuels and all life on Earth.
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Global Carbon Cycle
Global Carbon Cycle
NASA’s latest Earth Observing System (EOS) satellite — Aqua — successfully launched Saturday morning, May 4, 2002.
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Artist's rendering of NASA's Aqua Satellite Orbiting Earth
Artist's rendering of NASA's Aqua Satellite Orbiting Earth
NASA's Aqua satellite in high bay
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NASA's Aqua satellite in high bay
NASA's Aqua satellite in high bay
NASA's Earth observing satellite, Aqua, successfully launched at 2:55 a.m. PDT on ay 4, 2002.
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NASA Aqua Satellite Launch
NASA Aqua Satellite Launch
AIRS' global carbon monoxide measurements are important because scientists can monitor the transport of fire emissions around the globe on a daily basis. 
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Carbon Monoxide Blooms September 2005
Carbon Monoxide Blooms September 2005
Global carbon monoxide measurements from NASA's Atmospheric Infrared Sounder are important because scientists can monitor the transport of fire emissions around the globe on a daily basis.
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Global Carbon Monoxide, September 29, 2005
Global Carbon Monoxide, September 29, 2005
The plume of carbon monoxide pollution from the Rim Fire burning in and near Yosemite National Park, Calif., is visible in this Aug. 26, 2013 image from the Atmospheric Infrared Sounder (AIRS) inst...
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AIRS Images Pollution from California's Rim Fire 2013
AIRS Images Pollution from California's Rim Fire 2013
These false-color images show the amount of atmospheric water vapor observed by AIRS two weeks prior to the passage of Hurricane Isabel, and then when it was a Category 5 storm. 
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Amount of Atmospheric Water Vapor in Hurricane Isabel as Observed By AIRS
Amount of Atmospheric Water Vapor in Hurricane Isabel as Observed By AIRS
In late July 2010, flooding caused by heavy monsoon rains began in several regions of Pakistan, including the Khyber Pakhtunkhwa, Sindh, Punjab and parts of Baluchistan.
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Extent of Pakistan Flooding
Extent of Pakistan Flooding
In order to validate the performance of the AIRS zonal cloud frequency and amount, we compare the zonal cloud frequency from CloudSat and CALIPSO (two left panels). Then, we derive the frequency of...
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Zonal Height Cross-Sectional Averages, AIRS, CloudSat, and CALIPSO
Zonal Height Cross-Sectional Averages, AIRS, CloudSat, and CALIPSO
Earth’s water continuously moves through the atmosphere, into and out of the oceans, over the land surface, and underground.
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The Water Cycle
The Water Cycle
The Atmospheric Infrared Sounder, AIRS, was launched aboard the Aqua Spacecraft in 2002 as part of NASA's Earth Observing System Afternoon Constellation of satellites known as the 'A-Train.
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Arctic Carbon Dioxide, March 23, 2010
Arctic Carbon Dioxide, March 23, 2010
AIRS radiances and standard retrievals were used to obtain thin cirrus particle size and optical depth over the tropical oceans.
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Tropical thin cirrus retrievals of particle size and optical depth from AIRS
Tropical thin cirrus retrievals of particle size and optical depth from AIRS
Mt. Etna, a volcano on the island of Sicily, erupted on October 26, 2002. 
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Sulfur Dioxide Plume from Mt. Etna Eruption 2002
Sulfur Dioxide Plume from Mt. Etna Eruption 2002
The Water Cycle
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The Water Cycle
The Water Cycle
AIRS' global carbon monoxide measurements are important because scientists can monitor the transport of fire emissions around the globe on a daily basis. 
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Carbon Monoxide Blooms September 2005
Carbon Monoxide Blooms September 2005
NASA’s Atmospheric Infrared Sounder (AIRS) captured views of Hurricane Ida, both before it made landfall in the early morning hours (2:53 CDT) and approximately two hours after the storm's landfall...
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infrared image Hurricane Ida before making landfall
AIRS captures Hurricane Ida before and after landfall
This image shows a detection of sulfur dioxide in AIRS data taken about two days after the Tonga volcano eruptions in January 2022. 
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This image shows a detection of sulfur dioxide in AIRS data taken about two days after the Tonga volcano eruptions in January 2022.
Sulfur Dioxide Detected After Tonga Volcano Eruption in 2022
Northeast Africa continues to reel from the effects of the worst drought to strike the region in decades. 
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Severity of African Drought
Severity of African Drought
The annual flux of CO2 in GigaTons (Gt) or billions of tons between each of the Earth's reservoirs. 
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Carbon Cycle
Carbon Cycle
This animation shows how light energy is collected by the optics system on the Atmospheric Infrared Sounder (AIRS) instrument and digitized.
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This animation shows how light energy is collected by the optics system on the Atmospheric Infrared Sounder (AIRS) instrument and digitized.
Light Travels Through AIRS Optics
The Atmospheric Infrared Sounder (AIRS) instrument in the assembly facility, 1999. 
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AIRS instrument
AIRS instrument
This plot shows the concentration of carbon dioxide in Earth's mid-troposphere at various latitudes as measured by the Atmospheric Infrared Sounder (AIRS) instrument on NASA's Aqua satellite.
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Zonally Averaged Carbon Dioxide Concentration from Earth's Mid-Troposphere at Different Latitudes, 2002 to 2013
Zonally Averaged Carbon Dioxide Concentration from Earth's Mid-Troposphere at Different Latitudes, 2002 to 2013
Image of sulfur dioxide detected through AIRS brightness temperature differences several days after Raikoke volcanic eruption in 2019
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Image of sulfur dioxide detected through AIRS brightness temperature differences several days after Raikoke volcanic eruption in 2019
NASA's AIRS Displays Sulfur Dioxide Plumes After Raikoke Eruption, June 2019
Water Cycle
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Water Cycle
Water Cycle

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