Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Absorption Ångström exponents and 95% CI by season, based on linear regression on the log-log scale of the values shown in Figure 3.
| Season | α (375-880) and 95% CI |
|---|---|
| Winter | 1.5 (1.2-1.8) |
| Summer - wildfire | 1.4 (1.0-1.8) |
| Fall | 1.3 (1.1-1.4) |
| Spring | 1.2 (1.1-1.4) |
| Summer – no wildfire | 1.2 (1.0-1.3) |
