readWQPSample: Import Sample Data from the Water Quality Portal for WRTDS

View source: R/readWQPSample.R

readWQPSampleR Documentation

Import Sample Data from the Water Quality Portal for WRTDS

Description

Imports data from the Water Quality Portal, so it could be STORET, USGS, or USDA data. This function gets the data from: https://www.waterqualitydata.us For raw data, use readWQPdata. This function will retrieve the raw data, compress it (summing constituents), then converts it to the Sample dataframe structure. See chapter 7 of the EGRET user guide for more details.

Usage

readWQPSample(siteNumber, characteristicName, startDate = "", endDate = "",
  verbose = TRUE)

Arguments

siteNumber

character site number. If USGS, it should be in the form :'USGS-XXXXXXXXX...'

characteristicName

character. Either a valid characteristic name, or a 5 digit USGS parameter code.

startDate

character starting date for data retrieval in the form YYYY-MM-DD. Default is empty quotes "" which will retrieve the full period of record.

endDate

character ending date for data retrieval in the form YYYY-MM-DD. Default is empty quotes "" which will retrieve the full period of record.

verbose

logical specifying whether or not to display progress message

Value

A data frame 'Sample' with the following columns:

Name Type Description
Date Date Date
ConcLow numeric Lower limit of concentration
ConcHigh numeric Upper limit of concentration
Uncen integer Uncensored data (1=TRUE, 0=FALSE)
ConcAve numeric Average concentration
Julian integer Number of days since Jan. 1, 1850
Month integer Month of the year [1-12]
Day integer Day of the year [1-366]
DecYear numeric Decimal year
MonthSeq integer Number of months since January 1, 1850
SinDY numeric Sine of the DecYear
CosDY numeric Cosine of the DecYear

See Also

readWQPdata, dataRetrieval::whatWQPsites, readWQPqw, compressData, populateSampleColumns

Examples

# These examples require an internet connection to run

# Sample_All <- readWQPSample('WIDNR_WQX-10032762','Specific conductance', '', '')


EGRET documentation built on April 18, 2023, 5:09 p.m.