Floor IV USGS — ww_floorIVUSGS • whitewater

This function generates instantaneous NWIS data from https://waterservices.usgs.gov/ and then floors to a user defined interval with wwOptions ('1 hour' is default) by taking the mean.

ww_floorIVUSGS(
  procDV,
  sites = NULL,
  parameter_cd = NULL,
  options = wwOptions(),
  parallel = FALSE,
  verbose = TRUE,
  ...
)

Arguments

procDV: A previously created ww_dvUSGS object.
sites: A vector of USGS NWIS sites (optional).
parameter_cd: A USGS code parameter code, only if using sites argument.
options: A wwOptions call.
parallel: logical indicating whether to use future_map().
verbose: logical for printing information. TRUE (default).
...: arguments to pass on to future_map.

Value

A tibble with a user defined interval time step.

Note

For performance reasons, with multi-site retrievals you may retrieve data since October 1, 2007 only. If a previously created ww_dvUSGS object is not used then the user needs to provide a sites vector. This will run ww_dvUSGS in the background.

Examples

if (FALSE) {

library(whitewater)
yaak_river_dv <- ww_dvUSGS('12304500',
parameter_cd = '00060',
wy_month = 10)

yaak_river_iv <- ww_floorIVUSGS(yaak_river_dv)

#change floor method

yaak_river_iv <- ww_floorIVUSGS(yaak_river_dv,
                                options = wwOptions(floor_iv = '6-hour'))

#change number of days

yaak_river_iv <- ww_floorIVUSGS(yaak_river_dv,
                                options = wwOptions(floor_iv = '2-hour',
                                                    period = 365))

# get by date range


yaak_river_wy <- ww_floorIVUSGS(yaak_river_dv,
                                options = wwOptions(date_range = 'date_range',
                                                    dates = c('2022-03-01', '2022-05-11')))

#parallel

#get sites

huc17_sites <- dataRetrieval::whatNWISdata(huc = 17,
siteStatus = 'active',
service = 'dv',
parameterCd = '00060')

library(future)
#need to call future::plan()
plan(multisession(workers = availableCores()-1))

pnw_dv <- ww_dvUSGS(huc17_sites$site_no,
parameter_cd = '00060',
wy_month = 10,
parallel = TRUE)

pnw_iv <- ww_floorIVUSGS(pnw_dv,
                    parallel = TRUE)
}