The Cryosphere
The Cryosphere
TC
Articles | Volume 18, issue 9
Articles | Volume 18, issue 9
https://doi.org/10.5194/tc-18-4177-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-18-4177-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 9
Research article
 | 
18 Sep 2024
Research article |  | 18 Sep 2024

Measurements of frazil ice flocs in rivers

Chuankang Pei, Jiaqi Yang, Yuntong She, and Mark Loewen

Supplement

https://doi.org/10.5194/tc-18-4177-2024-supplement

Data sets

Current and Historical Alberta Weather Station Data Viewer Alberta Agriculture and Irrigation, Alberta Climate Information Service (ACIS) http://agriculture.alberta.ca/acis/weather-data-viewer.jsp

Environmental Data, Barrier Lake Field Station Weather Data University of Calgary, Biogeoscience Institute https://research.ucalgary.ca/biogeoscience-institute/research/environmental-data

Sediment Data Water Survey of Canada, Historical Hydrometric Data https://wateroffice.ec.gc.ca/mainmenu/historical_data_index_e.html

Historical data Environmental and Climate Change Canada (ECCC) https://climate.weather.gc.ca/historical_data/search_historic_data_e.html

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Short summary
Frazil flocs are aggregates of frazil ice particles that form in supercooled water. As they grow, they rise to the river surface, contributing to ice cover formation. We measured the properties of frazil flocs in rivers for the first time using underwater imaging. We found that the floc size distributions follow a lognormal distribution and mean floc size decreases linearly as the local Reynolds number increases. Floc volume concentration has a power law correlation with the relative depth.
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