Long-term variations of atmospheric transmittance from ... - GEWEX
Long-term variations of atmospheric transmittance from ... - GEWEX
Long-term variations of atmospheric transmittance from ... - GEWEX
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Results<br />
• From 1933 to late 1940s, the <strong>transmittance</strong> remained stable at around<br />
0.74 to 0.75.<br />
• Decreasing phase followed to the mid-1980s when it reached 0.69.<br />
• It then turned into be increasing phase till the early 2000s marking the<br />
level <strong>of</strong> 0.71.<br />
<strong>Long</strong>-<strong>term</strong> <strong>variations</strong> <strong>of</strong> annual mean <strong>transmittance</strong> at 14 stations in Japan.<br />
A black thick line shows average among 14 stations.