NASA’s Long-Term Climate Predictions have Proven to be Very Accurate, Within 1/20th of a Degree Celsius

Universe Today | 5/27/2019 | Staff
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There are a handful of major science institutions around the world that keep track of the Earth’s temperature. They all clearly show that the world’s temperature has risen in the past few decades. One of those institutions is NASA.

NASA’s Goddard Institute for Space Science Studies (GISS) is located in New York City. Recently, they did a complete assessment of their temperature data, called GISTEMP, or GISS surface Temperature Analysis. The GISTEMP is one of our most direct benchmarks for tracking the Earth’s temperature. It goes back over 100 years, to the 1880s.

Conclusions - Analysis

“We don’t have to restate any conclusions based on this analysis.”

Lead Author Nathan Lenssen, Doctoral Student, Columbia University.

Year - NASA - Partners - NOAA - National

Every year, NASA partners with the NOAA (National Oceanic and Atmospheric Administration to update the global temperature. They use temperature data dating back to 1880 from land and sea surface measurements, combined with more modern measurements from over 6300 weather stations research stations, and ships and weather buoys around the world. Using all this data, the pair of organizations concluded that 2018 was the fourth-warmest year on record, and that 2016 was the warmest.

In this new study, NASA scientists analyzed the GISTEMP data to see if past predictions of rising temperatures were accurate. They needed to know that any uncertainty within their data was correctly accounted for. The goal was to make sure that the models they use are robust enough to rely on in the future. The answer: Yes they are. Within 1/20th a degree Celsius. Kudos.

Gavin - Schmidt - Director - GISS - Co-author

Gavin Schmidt, director of GISS, study co-author.

“Uncertainty is important to understand because we know that in the real world we don’t know everything perfectly,” said Gavin Schmidt, director of GISS and a co-author on the study. “All science is based on knowing the limitations of the numbers that you come up with, and those uncertainties...
(Excerpt) Read more at: Universe Today
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