Articles | Volume 14, issue 4
Atmos. Meas. Tech., 14, 2673–2697, 2021
https://doi.org/10.5194/amt-14-2673-2021
Atmos. Meas. Tech., 14, 2673–2697, 2021
https://doi.org/10.5194/amt-14-2673-2021
Research article
07 Apr 2021
Research article | 07 Apr 2021

The effect of low-level thin arctic clouds on shortwave irradiance: evaluation of estimates from spaceborne passive imagery with aircraft observations

Hong Chen et al.

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Latest update: 01 Feb 2023
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Short summary
In this paper, we accessed the shortwave irradiance derived from MODIS cloud optical properties by using aircraft measurements. We developed a data aggregation technique to parameterize spectral surface albedo by snow fraction in the Arctic. We found that undetected clouds have the most significant impact on the imagery-derived irradiance. This study suggests that passive imagery cloud detection could be improved through a multi-pixel approach that would make it more dependable in the Arctic.