Bowhead Whale Project: Mapping Historical Ice Level Changes in the Bering Sea

GCS developed detailed GIS maps and datasets for a climatology project analyzing ice level changes in the Bering Sea. The project, led by Dr. John Bocstoce, utilized environmental data recorded in Canadian whaling ship logs from 1849 to 1914. GCS extracted key information on ice levels from the logs, specifically focusing on data from May and September of each year, and integrated it into a Geographic Information System (GIS).

Key Features of the Project:

  • Historical Data Extraction: GCS meticulously extracted and digitized historical ice level data from whaling logs, spanning a 65-year period.
  • GIS Integration: These historical datasets were imported into a GIS for spatial analysis and visualization.
  • Collaboration with Experts: The maps were produced for Dr. John Bocstoce and Dr. Daniel Botkin, renowned climatologists, to aid in their research.
  • NOAA Data Integration: Modern ice level data from the National Oceanic and Atmospheric Administration (NOAA) (1970 to present) was layered with historical data, offering a comprehensive comparison of ice level changes over the last two centuries.

These GIS-based maps provide powerful insights into long-term climate changes in the Bering Sea, combining historical whaling data with modern climatology research.

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