Table of Contents
Dataset Papers in Geosciences
Volume 2013, Article ID 140791, 5 pages
Dataset Paper

Long-Term Aerosol Climate Data Record Derived from Operational AVHRR Satellite Observations

1Cooperative Institute for Climate and Satellites at North Carolina State University (CICS-NC) and (NCDC), NOAA/NESDIS, 151 Patton Avenue, Asheville, NC 28801, USA
2National Climatic Data Center (NCDC), NOAA/NESDIS, 151 Patton Avenue, Asheville, NC 28801, USA
3Center for Satellite Applications and Research (STAR), NOAA/NESDIS, 1225 West Dayton, Madison, WI 53706, USA

Received 13 July 2012; Accepted 23 September 2012

Academic Editors: J. Burkhardt, T. Hussein, A. R. Lupo, and S. Takahama

Copyright © 2013 P. K. Chan et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Aerosol optical thickness (AOT) was retrieved using the Advanced Very High Resolution Radiometer (AVHRR) PATMOS-x Level-2b gridded radiances and the two-channel algorithm of the National Climatic Data Center (NCDC). The primary retrieval product is AOT at 0.63 μm channel. AOT is also retrieved at 0.83 μm or 1.61 μm channel for consistent check. The retrieval was made during day time, under clear sky and snow-free conditions, and over the global oceans. The spatial resolution is degree grid and the temporal resolution is both daily and monthly. The resultant AVHRR AOT climate data record (CDR) spans from August 1981 to December 2009 and provides the longest aerosol CDR currently available from operational satellites. This dataset is useful in studying aerosol climate forcing, monitoring long-term aerosol trends, and evaluating global air pollution and aerosol transport models over the global ocean.