GeoCarb Observes Greenhouse Gasses from Geosynchronous Orbit

  • Released Friday, April 2nd, 2021
  • Updated Friday, August 25th, 2023 at 12:14AM
  • ID: 4890

GeoCarb and OCO-2 measuring carbon dioxide from space

This visualization shows the GeoCarb spacecraft orbiting the Earth and taking data. The visualization starts close to the Earth with the Orbiting Carbon Observatory 2 (OCO-2) orbiting and taking carbon dioxide data shown as a thin trail underneath the spacecraft. These measurements are critical for our understanding of the climate. However, the OCO-2 swath is narrow and it takes a long time to cover a large region.

GeoCarb is a follow-on mission to OCO-2 which also measures carbon dioxide. However, GeoCarb's is in a geosynchronous orbit. This means that GeoCarb stays over the same location on the Earth, so it has a continuous view. GeoCarb orbits over North and South America. It is able to make scans of most of North and South America twice per day in the northern hemisphere summer. Geocarb has a resolution of 6km wide by 4km high; this means that each 'pixel' of GeoCarb data represents that area. Like OCO-2 GeoCarb can not make measurements at night.

In addition to carbon dioxide, GeoCarb also measures carbon monoxide, methane, and solar induced fluorescence. Each of these constituents provide additional, vital information for climate research.

Print resolution still of GeoCarb scanning

Print resolution still of GeoCarb scanning

Print resolution still of Los Angeles region showing carbon dioxide and GeoCarb resolution. Each box is 6km wide by 3 km high which is the extent of each individual GeoCarb measurement

Print resolution still of Los Angeles region showing carbon dioxide and GeoCarb resolution. Each box is 6km wide by 3 km high which is the extent of each individual GeoCarb measurement

GeoCarb measures carbon dioxide, methane, cabon monoxide and solar induced fluorescence (also called SIF)

GeoCarb measures carbon dioxide, methane, cabon monoxide and solar induced fluorescence (also called SIF)

GeoCarb in geosynchronous orbit measuring carbon dioxide

GeoCarb in geosynchronous orbit measuring carbon dioxide

Colarbar for carbon dioxide in parts per million from dark blues (392) through red and yellow to white (405)

Colarbar for carbon dioxide in parts per million from dark blues (392) through red and yellow to white (405)

Colarbar for methane in parts per billion from dark blues (1450) through green and yellow to white (405)

Colarbar for methane in parts per billion from dark blues (1450) through green and yellow to white (405)

Colarbar for carbon monoxide in parts per billion from black (25) to white (100)

Colarbar for carbon monoxide in parts per billion from black (25) to white (100)

Colarbar for solar induced fluorescence in parts per million from black (0) tthrough greens to white (6)

Colarbar for solar induced fluorescence in parts per million from black (0) tthrough greens to white (6)

Credits

Please give credit for this item to:
NASA's Scientific Visualization Studio

Datasets used in this visualization

Example GeoCarb Scanning Scenario
Analysis

Example pre-launch scanning pattern for GeoCarb

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CelesTrak Spacecraft Orbit Ephemeris
Ephemeris

Dataset can be found at: http://celestrak.com

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GEOS-5 G5NR-Chem (A.K.A. Chemistry) (Collected with the Nature Run sensor)
Model NASA GMAO
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GEOS Carbon Dioxide
Model GMAO
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GMAO GEOS Atmospheric Methane (A.K.A. GMAO GEOS Atmospheric Methane)
Model GMAO
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MetOp GOME-2 Solar Induced Fluorescence at 740 nm (Collected with the GOME-2 sensor)
Observed Data ESA
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GTOPO30 Topography and Bathymetry
Data Compilation USGS
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