To cite package ‘gsdd’ in publications use:

Thorley J, Lyons S (2026). gsdd: Calculate Growing Season Degree Days from Water Temperature Data. R package version 0.3.0.9000, https://github.com/poissonconsulting/gsdd.

Corresponding BibTeX entry:

  @Manual{,
    title = {gsdd: Calculate Growing Season Degree Days from Water
      Temperature Data},
    author = {Joe Thorley and Sarah Lyons},
    year = {2026},
    note = {R package version 0.3.0.9000},
    url = {https://github.com/poissonconsulting/gsdd},
  }