Monthly averaged aerosol optical depth anomalies at Barrow for March and April

Monthly averaged aerosol optical depth anomalies at Barrow (Alaska) for March and April. The anomalies are relative to a base of non-volcanic years. Data from 1992 and 1993 were removed due to stratospheric aerosol influx from the Pinatubo eruption in 1991. Vertical lines represent 1 standard deviation of the monthly mean

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10/09/2009 11:26:07
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Published: 2009-09-10

Sources: data provided by NOAA CMDL

Region: global

Edited_by: [email protected]

Cartographer / Designer: Satu Turtiainen, Erika Varkonyi, Petri Porvari, Marjut Nyman (Finnish Environmental Institute)