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2018-08-24 20:35:09
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about 눌러보시면
a visualization of global weather conditions
forecast by supercomputers
updated every three hours
ocean surface current estimates
updated every five days
ocean surface temperatures and
anomaly from daily average (1981-2011)
updated daily
ocean waves
updated every three hours
aurora
updated every thirty minutes
등등으로 나옵니다. 3시간 마다 업뎃.
미세먼지의 경우도
One common measure of extinction is aerosol optical thickness (AOT), which is (the log of) the ratio between the power of incoming light and the power of transmitted light. This helps us understand how "thick" the air is with particulates.
직접 측정한게 아니고 빛 투과율로 추정한 수치입니다.