A consistent Great Lakes ice cover digital data set for winters 1973-2019.

Ting-Yi Yang, James Kessler, Lacey Mason, Philip Y Chu, Jia Wang
Author Information
  1. Ting-Yi Yang: Cooperative Institute for Great Lakes Research (CIGLR), University of Michigan, Ann Arbor, Michigan, USA.
  2. James Kessler: Great Lakes Environmental Research Laboratory, National Oceanic and Atmospheric Administration, Ann Arbor, Michigan, USA. james.kessler@noaa.gov. ORCID
  3. Lacey Mason: Great Lakes Environmental Research Laboratory, National Oceanic and Atmospheric Administration, Ann Arbor, Michigan, USA. ORCID
  4. Philip Y Chu: Great Lakes Environmental Research Laboratory, National Oceanic and Atmospheric Administration, Ann Arbor, Michigan, USA.
  5. Jia Wang: Great Lakes Environmental Research Laboratory, National Oceanic and Atmospheric Administration, Ann Arbor, Michigan, USA.

Abstract

Ice formation and loss in the Laurentian Great Lakes has a strong impact on regional climate, weather, economy and ecology in North America. To record the ice changes during the winter season, Great Lakes ice cover data has been collected and maintained since 1973 by Canadian Ice Service, U.S. National Ice Center, and National Oceanic and Atmospheric Administration's Great Lakes Environmental Research Laboratory. Throughout this long history, technology has improved and the needs of users have evolved, so Great Lakes ice cover datasets have been upgraded several times in both spatial and temporal resolutions. In order to make those long-term data consistent and accessible, we reprocessed the Great Lakes ice cover database to generate daily gridded data (1.8 km resolution) using a re-project method with Nearest Neighbor Search for spatial interpolation, and linear interpolation with categorization for temporal interpolation. This report elucidates data history, generation procedures, and file structure in order to improve access and usability of Great Lakes ice cover data.

References

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  8. Wang, J. et al. Great Lakes Ice Climatology Update of Winters 2012–2017: Seasonal Cycle, Interannual Variability, Decadal Variability, and Trend for the period 1973–2017. Technical Memorandum No. 170 (NOAA Great Lakes Environmental Research Laboratory, 2017).
  9. U.S. National Ice Center. World Meteorological Organization (WMO) Gridded Sigrid Format for Sea Ice. https://www.natice.noaa.gov/products/sigrid.html (2020)
  10. NOAA CoastWatch. Great Lakes CoastWatch Land Masks and Shoreline Data Files. https://coastwatch.glerl.noaa.gov/ftp/masks/ (2020)
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Grants

  1. NA17OAR4320152/United States Department of Commerce | National Oceanic and Atmospheric Administration (NOAA)

Word Cloud

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