amadeus (version 1.2.2)

process_geos: Process atmospheric composition data

Description

The process_geos() function imports and cleans raw atmospheric composition data, returning a single SpatRaster object.

Usage

process_geos(
  date = c("2018-01-01", "2018-01-10"),
  variable = NULL,
  path = NULL,
  extent = NULL,
  ...
)

Value

a SpatRaster object;

Arguments

date

character(1 or 2). Date (1) or start and end dates (2). Format YYYY-MM-DD (ex. September 1, 2023 = "2023-09-01").

variable

character(1). GEOS-CF variable name(s).

path

character(1). Directory with downloaded netCDF (.nc4) files.

extent

numeric(4) or SpatExtent giving the extent of the raster if NULL (default), the entire raster is loaded

...

Placeholders.

Author

Mitchell Manware

Examples

## NOTE: Example is wrapped in `\dontrun{}` as function requires a large
##       amount of data which is not included in the package.
if (FALSE) {
geos <- process_geos(
  date = c("2024-01-01", "2024-01-10"),
  variable = "O3",
  path = "./data/aqc_tavg_1hr_g1440x721_v1"
)
}