Five Things You Didn't Know About the North Pole | 合法醫療器材資訊網
2018年12月20日—UnlikeAntarctica,there'snolandattheNorthPole.Insteadit'sallicethat'sfloatingontopoftheArcticOcean.Overthepastfourdecades, ...
As the Suomi NPP and NOAA-20 satellites fly over the Arctic, they collect valuable information about the ocean and atmosphere.
By tracking clouds using Channel 15 of the Visible Infrared Imaging Radiometer Suite ( VIIRS[1] ) onboard each satellite, researchers can see how the clouds are moving, which helps to estimate wind speed and direction. “Those data are fed into numerical weather prediction models to help better forecast weather particularly out to 3 to 7 days,” Goldberg explained.
Forecasters then have a better idea of how fast a weather system will travel.
“So if there’s a polar vortex or a cold wave coming from Canada, then our satellites help to provide better predictions of those,” he added.
Airlines rely on this type of information because, as Goldberg explained, “the wind speeds at the altitudes planes travel are very important.”
...Five Things You Didn't Know About the North Pole | 合法醫療器材資訊網
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