Solar radiation enters the Earth's atmosphere with a portion being scattered by clouds and aerosols.

Processing, archiving and distributing Earth science data
at the NASA Langley Research Center

ACRIM II Data and Information

ACRIM II Data and Information

Active Cavity Radiometer Irradiance Monitor (ACRIM) II monitors the total variability of solar irradiance with active cavity radiometer solar monitoring sensors.

Project Title: 
ACRIM II
Discipline: 
Version: 
V2
Level: 
L2
Platform: 
Upper Atmosphere Research Satellite (UARS)
Instrument: 
Active Cavity Radiometer Type V (Pyrheliometer)
Active Cavity Radiometer Irradiance Monitor II
Spatial Resolution: 

2.5 deg. circle centered on Sun

Temporal Coverage: 

10/04/1991 - 11/01/2001

Temporal Resolution: 

1.024 second

File Format: 
NATIVE

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Solar Irradiance Monitoring

Total Solar Irradiance

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