Consistency of global satellite-derived aerosol and cloud data sets with recent brightening observations
Article first published online: 5 NOV 2010
Copyright 2010 by the American Geophysical Union.
Geophysical Research Letters
Volume 37, Issue 21, November 2010
How to Cite
2010), Consistency of global satellite-derived aerosol and cloud data sets with recent brightening observations, Geophys. Res. Lett., 37, L21704, doi:10.1029/2010GL044632., , , , and (
- Issue published online: 5 NOV 2010
- Article first published online: 5 NOV 2010
- Manuscript Accepted: 23 AUG 2010
- Manuscript Received: 13 JUL 2010
- Manuscript Revised: 13 JUL 2010
- global brightening;
- aerosol optical depth;
- remote sensing
 Solar radiation at the Earth surface has increased over land and ocean since about 1990 (‘global brightening’). An analysis of various global (ocean only) aerosol and (global) cloud data sets from geostationary and polar orbiting satellites is performed to determine whether changes in these quantities have occurred in accordance with ‘global brightening’, and to analyse the global distribution of these changes. Change-point detection and trend analysis are employed in the analysis. In a period from the mid-1980s to the mid-2000s, aerosol optical depth is found to have started declining in the early 1990s, while cloud data sets do not agree on trends. Ångström exponent data seem to suggest changes in pollution.