Artículo:

Clear Sky Visibility Has Decreased over Land Globally from 1973 to 2007

Autor:

Kaicun Wang

Robert E. Dickinson

Shunlin Liang

Resumen:

The concentration of atmospheric aerosols has decreased over Europe but not over the tropics or the Southern Hemisphere

Página:

1468

Sección:

Reports

Publicación:

Science

Volúmen:

323

Número:

5920

Fecha:

13 Marzo 2009

ISSN:

00368075

SrcID:

00368075-2009-03-13.txt