importWaterML2: Parse the WaterML2 timeseries portion of a waterML2 file

In dataRetrieval: Retrieval Functions for USGS and EPA Hydrology and Water Quality Data

Parse the WaterML2 timeseries portion of a waterML2 file

Description

Returns data frame columns of all information with each time series measurement; Anything defined as a default, is returned as an attribute of that data frame.

Usage

importWaterML2(input, asDateTime = FALSE, tz = "UTC")

Arguments

input	XML with only the wml2:MeasurementTimeseries node and children
asDateTime	logical, if TRUE returns date and time as POSIXct, if FALSE, character
tz	character to set timezone attribute of datetime. Default is an empty quote, which converts the datetimes to UTC (properly accounting for daylight savings times based on the data's provided time zone offset). Possible values are "America/New_York", "America/Chicago", "America/Denver", "America/Los_Angeles", "America/Anchorage", "America/Honolulu", "America/Jamaica", "America/Managua", "America/Phoenix", and "America/Metlakatla"

Examples

baseURL <- "https://waterservices.usgs.gov/nwis/dv/?format=waterml,2.0"
URL <- paste(baseURL, "sites=01646500",
  "startDT=2014-09-01",
  "endDT=2014-09-08",
  "statCd=00003",
  "parameterCd=00060",
  sep = "&"
)

timesereies <- importWaterML2(URL, asDateTime = TRUE, tz = "UTC")

dataRetrieval documentation built on Oct. 31, 2024, 9:07 a.m.