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The Combined Influence of Observed Southern Ocean Clouds and Sea Ice on Top‐of‐Atmosphere Albedo
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2018
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Source: Journal of Geophysical Research: Atmospheres, 123(9), 4461-4475
[PDF-3.96 MB]
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Journal Title:Journal of Geophysical Research: Atmospheres
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Description:When sea ice concentration decreases, surface albedo decreases. Yet the impact of Southern Ocean sea ice concentration decreases on top-of-atmosphere albedo is uncertain. Why? The cloud cover and opacity response to Southern Ocean sea ice variability has been challenging to quantify. Here we useobservations to constrain the cloud response to Southern Ocean sea ice variability and assess the combined influence of sea ice and clouds on top-of-atmosphere albedo. We focus on the spring and summer seasons that dominate the high-latitude shortwave energy budget. To isolate the in fluence of sea ice concentration on clouds, we analyze spaceborne light detection and ranging (LIDAR) observations in regions where present-day sea ice concentration varies. During spring, low cloud cover is slightly (4%) higher over open
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Source:Journal of Geophysical Research: Atmospheres, 123(9), 4461-4475
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ISSN:2169-897X;2169-8996;
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Rights Information:Other
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