US Long-Term Ecological Research Network
DE expose
Off
DE filter
Off
Definition
aerosol optical depth at 550 nm (T. J. Crowley and M. B. Unterman 2013. Technical details concerning development of a 1200-yr proxy index for global volcanism. Earth System Science Data 5: 187-197; DOI: 10.5194/essd-5-187-2013)
Missing Value
NA :

not available

Type
physical