ACRIM II and III Data Available from the Atmospheric Sciences Data Center

The Active Cavity Radiometer Irradiance Monitor (ACRIM) II flew on board the Upper Atmosphere Research Satellite (UARS). ACRIM III was launched in 1999 on ACRIMSAT. Some of the goals of ACRIM are to monitor variability of total solar irradiance (TSI) including solar cycles and sunspots and analyze relationships between TSI and climate change. ACRIM II and III data are available from the NASA Langley Atmospheric Sciences Data Center (ASDC). ACRIM II data are available for October 1991 through August 1997. ACRIM III data are available from April 2000 through the present. These data may be obtained from the NASA Langley ASDC at http://eosweb.larc.nasa.gov.