v0.3.2

v0.3.2 (6 Feb 2024)

• Updates according to the latest SPEI version (v1.8.1)
• Implementation allowing the use of precalculated parameters in speiGrid

v0.3.1

v0.3.1 (22 Jun 2023)

• Implementation of the calibrated Thorthwaite's method (Pereira and Pruitt 2004, DOI:10.1016/j.agwat.2003.11.003)
• New auxiliary functions:
  • effectiveTempGrid, for effective temperature calculation
  • photoperiodGrid, for daylength estimation
• New built-in daily datasets for the Iberian peninsula of tmax, tmin and precip (E-OBSv17 0.25 reg, year 2000)
• Other minor changes and documentation updates

v0.2.0

New in v0.2.0

• Implements the new PET method Hargreaves-Samani for daily data
• Other minor improvements
• Removed vignette (now linked to paper supplementary information http://www.meteo.unican.es/work/climate4r/drought4R/drought4R_notebook.html)

v0.1.0

New in v0.1.0

• Include internal representation of matrices as ts-class to allow for reference period usage in SPI/SPEI calculation
• Update the "units" attribute of SPI/SPEI (set to "dimensionless")
• Add example vignette showing integration with UDG (type utils::RShowDoc("drought4R_notebook", package = "drought4R"))

v0.0.2

New in v0.0.2

• Bug fix in Hargreaves PET subroutine (forgot to redim(member = TRUE) the input grids before passing to member iterator)
• Minor changes in output data attribute definitions

v0.0.1

New in v0.0.1

• Bug fix (forgot to pass the ellipsis to the inner functions)

v0.0.0

This is the first package release. New functionalities coming soon!