Credit: NASA/GODDARD SPACE FLIGHT CENTER/SCIENCE PHOTO LIBRARY

Caption: CO2 levels over Africa. Computer simulation showing how carbon dioxide (CO2) travels around the globe in Earth's atmosphere, showing the results for one month (August 2006) over Africa. Plumes of carbon dioxide in the simulation swirl and shift as winds disperses the greenhouse gas away from its sources. The concentration of carbon dioxide is colour-coded in parts per million by volume (ppmv) from relatively low levels (green, 380ppmv) through yellow (383ppmv) to relatively high concentrations (red, 385ppmv). The regular pulsing (green) is the daily production of CO2 by plants. High concentrations (red) can be due to natural fires and human use of fossil fuels. These high concentrations are much less in Africa compared to North America (K004/5257) or South-East Asia (K004/5258). This visualization is a 'Nature Run', a type of simulation that uses real data on atmospheric conditions and the emission of greenhouse gases. The simulation was produced by a computer model called GEOS-5 (Goddard Earth Observing System Model, Version 5), created at NASA Goddard Space Flight Center's Global Modeling and Assimilation Office. This is the highest-resolution simulation produced to date, with the results made available in 2014.

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Africa CO2 levels, computer model

K004/5259 Rights Managed

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Duration: 00:00:30.23

Frame size: 1280x720

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Codec: Apple ProRes 422

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