importNGWMN: Function to return data from the National Ground Water...

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

Function to return data from the National Ground Water Monitoring Network waterML2 format

Description

This function accepts a url parameter for a WaterML2 getObservation. This function is still under development, but the general functionality is correct.

Usage

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

Arguments

input	character or raw, containing the url for the retrieval or a path to the data file, or raw XML.
asDateTime	logical, if TRUE returns date and time as POSIXct, if FALSE, character
tz	character to set timezone attribute of dateTime. Default is "UTC", and converts the date times to UTC, properly accounting for daylight savings times based on the data's provided time zone offset. Possible values to provide are "America/New_York", "America/Chicago", "America/Denver", "America/Los_Angeles", "America/Anchorage", as well as the following which do not use daylight savings time: "America/Honolulu", "America/Jamaica", "America/Managua", "America/Phoenix", and "America/Metlakatla". See also OlsonNames() for more information on time zones.

Value

mergedDF a data frame source, time, value, uom, uomTitle, comment, gmlID

Examples

obs_url <- paste("https://cida.usgs.gov/ngwmn_cache/sos?request=GetObservation",
  "service=SOS", "version=2.0.0",
  "observedProperty=urn:ogc:def:property:OGC:GroundWaterLevel",
  "responseFormat=text/xml",
  "featureOfInterest=VW_GWDP_GEOSERVER.USGS.403836085374401",
  sep = "&"
)

#data_returned <- importNGWMN(obs_url)

USGS-R/dataRetrieval documentation built on Nov. 5, 2024, 9:18 p.m.