constructWQPURL {dataRetrieval}

Construct WQP url for data retrieval

Description

Construct WQP url for data retrieval. This function gets the data from here: https://www.waterqualitydata.us

Usage

constructWQPURL(siteNumbers, parameterCd, startDate, endDate, zip = TRUE)

Arguments

siteNumbers

string or vector of strings USGS site number. This is usually an 8 digit number

parameterCd

string or vector of USGS parameter code. This is usually an 5 digit number.

startDate

character starting date for data retrieval in the form YYYY-MM-DD. Default is "" which indicates retrieval for the earliest possible record.

endDate

character ending date for data retrieval in the form YYYY-MM-DD. Default is "" which indicates retrieval for the latest possible record.

zip

logical to request data via downloading zip file. Default set to TRUE.

Value

url string

Examples

site_id <- "01594440"
startDate <- "1985-01-01"
endDate <- ""
pCode <- c("00060", "00010")
url_wqp <- constructWQPURL(
  paste("USGS", site_id, sep = "-"),
  c("01075", "00029", "00453"),
  startDate, endDate
)
url_wqp
charNames <- c(
  "Temperature",
  "Temperature, sample",
  "Temperature, water",
  "Temperature, water, deg F"
)
obs_url_orig <- constructWQPURL(
  siteNumbers = c(
    "IIDFG-41WSSPAHS",
    "USGS-02352560"
  ),
  parameterCd = charNames,
  startDate, ""
)
obs_url_orig