Earth System Science Data
Earth System Science Data
Earth System Science Data
Articles | Volume 14, issue 7
Articles | Volume 14, issue 7
https://doi.org/10.5194/essd-14-3329-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-14-3329-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 14, issue 7
Data description paper
 | 
19 Jul 2022
Data description paper |  | 19 Jul 2022

A 41-year (1979–2019) passive-microwave-derived lake ice phenology data record of the Northern Hemisphere

Yu Cai, Claude R. Duguay, and Chang-Qing Ke

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Latest update: 22 Apr 2024
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Short summary
Seasonal ice cover is one of the important attributes of lakes in middle- and high-latitude regions. This study used passive microwave brightness temperature measurements to extract the ice phenology for 56 lakes across the Northern Hemisphere from 1979 to 2019. A threshold algorithm was applied according to the differences in brightness temperature between lake ice and open water. The dataset will provide valuable information about the changing ice cover of lakes over the last 4 decades.
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