download_chirps_prelim_aux: Auxiliary function for downloading the preliminary CHIRPS...

In SeaVal: Validation of Seasonal Weather Forecasts

Auxiliary function for downloading the preliminary CHIRPS monthly data

Description

This data becomes available earlier, but it has to be downloaded from UCSB. The function checks whether the non-preliminary version exists and only downloads otherwise. Annoyingly, the grid of UCBS and IRIDL are shifted against each other. Therefore this function also interpolates the UCSB data to the IRIDL grid, which makes it a bit slower. In particular, everything will crash if you have never downloaded a non-preliminary file and try to download a preliminary one.

Usage

download_chirps_prelim_aux(
  years,
  months,
  extent,
  timeout_limit = 300,
  nonprelim_dir = file.path(chirps_dir(), "monthly"),
  save_dir = file.path(nonprelim_dir, "prelim")
)

Arguments

years	years for which you want to download
months	months for which you want to download
extent	Spatial window for downloading
timeout_limit	How many seconds before download is aborted.
nonprelim_dir	Directory where the non-preliminary CHIRPS data is stored.
save_dir	Directory where the function stores the preliminary data.

Value

nothing

Examples

if(interactive()){
download_chirps_prelim_aux(years = 2023, months = 10)
}

SeaVal documentation built on June 24, 2024, 5:15 p.m.