Articles | Volume 13, issue 10
Atmos. Meas. Tech., 13, 5715–5723, 2020
Atmos. Meas. Tech., 13, 5715–5723, 2020

Research article 27 Oct 2020

Research article | 27 Oct 2020

Inter-calibration of nine UV sensing instruments over Antarctica and Greenland since 1980

Clark J. Weaver et al.

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Subject: Others (Wind, Precipitation, Temperature, etc.) | Technique: Remote Sensing | Topic: Validation and Intercomparisons
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Cited articles

Casey, K. A., Polashenski, C. M., Chen, J., and Tedesco, M.: Impact of MODIS sensor calibration updates on Greenland Ice Sheet surface reflectance and albedo trends, The Cryosphere, 11, 1781–1795,, 2017. 
Damoah, R., Spichtinger, N., Forster, C., James, P., Mattis, I., Wandinger, U., Beirle, S., Wagner, T., and Stohl, A.: Around the world in 17 days – hemispheric-scale transport of forest fire smoke from Russia in May 2003, Atmos. Chem. Phys., 4, 1311–1321,, 2004. 
DeLand, M. T., Cebula, R. P., Huang, L.-K., Taylor, S. L., Stolarski, R. S., and McPeters, R. D.: Observations of “Hysteresis” in Backscattered Ultraviolet Ozone Data. J. Atmos. Ocean. Technol., 18, 914–924,<0914:OOHIBU>2.0.CO;2, 2001. 
DeLand, M. T., Taylor, S. L., Huang, L. K., and Fisher, B. L.: Calibration of the SBUV version 8.6 ozone data product, Atmos. Meas. Tech., 5, 2951–2967,, 2012. 
Herman, J., DeLand, M. T., Huang, L.-K., Labow, G., Larko, D., Lloyd, S. A., Mao, J., Qin, W., and Weaver, C.: A net decrease in the Earth's cloud, aerosol, and surface 340 nm reflectivity during the past 33 yr (1979–2011), Atmos. Chem. Phys., 13, 8505–8524,, 2013.  
Short summary
Currently, we do not know whether clouds will accelerate or moderate climate. We look to the past and ask whether cloudiness has changed over the last 4 decades. Using a suite of nine satellite instruments, we need to ensure that the first satellite, which was launched in 1980 and died in 1991, observed the same measurement as the eight other satellite instruments used in the record. If the instruments were measuring length and observing a 1.00 m long stick, they would all see 0.99 to 1.01 m.