NASA Satellites can Pinpoint the Exact Locations of Excessive CO2 Emissions universetoday storybywill
on regional and continental scales. This is done indirectly by measuring the intensity of sunlight reflected off Earth’s surface and directly by measuring the amount of COabsorbed in the column of air between the surface and the satellite.
“As a community we are refining the tools and techniques to be able to extract more information from the data than what we had originally planned. We are learning that we can actually understand a lot more about anthropogenic emissions than what we had previously expected. It is really exciting to think that we will get another five to six years of operations with OCO-3. We are seeing that making measurements at the right time and at the right scale is critical.
Illustration of NASA’s OCO-3 mounted on the underside of the International Space Station . Credits: NASA/JPL-Caltechemissions reports are created from estimates or data collected at Earth’s surface level. This consists of accounting for the mass of fossil fuels used, calculating the expected emissions, and generally doesn’t involve atmospheric measurements.“The finer details about exactly when and where emissions occur are often not available.
In the future, climate scientists will benefit from the mapping mode of observations of OCO-3, which could serve as a “pathfinder” for next-generation satellite missions. NASA recently announced that mission operations with OCO-3 aboard the ISS will be extended for several more years. The instrument will operate alongside another greenhouse gas observation mission, theemissions in real-time will prove invaluable to mitigation and adaptation efforts.
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