eva3dm (version 0.99.1)

extract_mean: Create a NetCDF file with the surface mean

Description

Read and calculate the mean value of a variable from a list of wrf output files.

Usage

extract_mean(
  filelist,
  variable = "o3",
  field = "4d",
  prefix = "mean",
  units = "ppmv",
  meta = TRUE,
  filename,
  verbose = TRUE
)

Value

No return value

Arguments

filelist

list of files to be read

variable

variable name

field

'4d' (default), '3d', '2d' or '2dz' see notes

prefix

to output file, default is serie

units

units on netcdf file (default is ppmv)

meta

use Times, XLONG and XLAT data (only works with 2d variable for file)

filename

name for the file, in this case prefix is not used

verbose

display additional information

Examples

dir.create(file.path(tempdir(), "MEAN"))
folder <- system.file("extdata",package="eva3dm")
wrf_file <- paste0(folder,"/wrf.day1.o3.nc")
extract_mean(filelist = wrf_file,prefix = paste0(file.path(tempdir(),"MEAN"),'/mean'))