ATMOSPHERIC RADIATION MEASUREMENTS ENHANCED SHORTWAVE EXPERIMENT (ARESE) - EXPERIMENTAL AND DATA DETAILS

Atmospheric Radiation Measurements Enhanced Shortwave Experiment (ARES E) was conducted to study the magnitude and spectral characteristics o f the absorption Of solar radiation by the clear and cloudy atmosphere . Three aircraft platforms, a Grob Egrett, a NASA ER-2, and a Twin Ott er, were used during ARESE in conjunction with the Atmospheric Radiati on Measurements (ARM) central and extended facilities in north central Oklahoma. The aircraft were coordinated to simultaneously measure sol ar irradiances in the total spectral broadband (0.224-3.91 mu m), near infrared broadband (0.678-3.3 mu m), and in seven narrow band-pass (s imilar to 10 nm width) channels centered at 0.500, 0.862, 1.064, 1.249 , 1.501, 1.651, and 1.750 mu m. Instrumental calibration issues are di scussed in some detail, in particular radiometric power, angular, and spectral responses. The data discussed in this paper are available at the ARM ARESE data archive via anonymous FTP to ftp.arm.gov.