Polar Bear on Arctic Sea Ice [Credit: AWeith – Wikimedia Commons]
Just in time for Earth Day, new satellite data confirms that the Earth is warming at an alarming rate.
NASA's Aqua Satellite satellite's new Atmospheric Infrared Sounder (AIRS) data confirm the surface temperature analysis results of the Goddard Institute of Space Studies (201
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19659008] What is striking about the new study is how much its images were taken from those of GISTEMP in the years 2003 to 2017 match. A weakness of the GISTEMP data is that the results from the polar regions are sparse, as it is difficult to operate instruments there with fewer weather stations using these instruments.
However, the AIRS satellite data is ideal for filling these gaps. It shows that temperatures in the Arctic have risen faster than GISTEMP data has shown: 2.5 degrees Celsius (4.5 degrees Fahrenheit) per decade since 2003. In order to avoid the most catastrophic damage from climate change, the Paris Climate Agreement set the target to average global temperatures around 1.5 degrees Celsius (2.7 degrees Fahrenheit) above pre-industrial levels. Chilling polar regions that trap water in ice plates are the key to this goal.
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. The new data confirms that the Arctic "Arctic warming is important for what is happening in the rest of the world," said UC Berkeley scientist Zeke Hausfather . The Washington Post on microwave readings that did not always agree with those of ground-based instruments, which challenged climate science.
The new data from AIRS give scientists far more confidence in the accuracy of existing global temperature measurements, which show the earth is warmer.
"The estimates we get from trends in the surface temperature network and the buoys network are being compared with a ridiculous certainty by the trends we know. "From this remote sensing," co-author of the study, Gavin Schmidt, a NASA scientist who directs the GISTEMP study, said in a Scientific American report.
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Such a correlation will make it more difficult for critics of climate change theory to prevent efforts to curb global warming. The AIRS satellite data is based on more recent infrared measurements. The data coming from satellites scanning the earth raises concern about surface temperature measurements of urban "heat islands" and polar readings coming only from coastal edges.
In the end, it not only produces the same qualitative results, but also quantitatively the same results, "said Schmidt. "We know that the planet is warming, but this is another nail in the coffin for people who claim that the surface temperature estimates are uncertain or untrustworthy."
Of course, it is confirmed that the world warms faster than we thought is not good news. But confirming climate science gives us better tools to fight it.
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