sfbay.Rd

% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/sfbay.R
\docType{data}
\name{sfbay}
\alias{sfbay}
\title{San Francisco Bay water quality data}
\format{
\code{sfbay} is a data frame with 23207 observations (rows) of 12 variables (columns):

\tabular{rll}{
	 \code{[, 1]} \tab \code{date} \tab date\cr
	 \code{[, 2]} \tab \code{time} \tab time\cr
	 \code{[, 3]} \tab \code{stn} \tab station code\cr
	 \code{[, 4]} \tab \code{depth} \tab measurement depth\cr
	 \code{[, 5]} \tab \code{chl} \tab chlorophyll \emph{a}\cr
	 \code{[, 6]} \tab \code{dox.pct} \tab dissolved oxygen\cr
	 \code{[, 7]} \tab \code{spm} \tab suspended particulate matter\cr
	 \code{[, 8]} \tab \code{ext} \tab extinction coefficient\cr
	 \code{[, 9]} \tab \code{sal} \tab salinity\cr
	 \code{[, 10]} \tab \code{temp} \tab water temperature\cr
	 \code{[, 11]} \tab \code{nox} \tab nitrate + nitrite\cr
	 \code{[, 12]} \tab \code{nhx} \tab ammonium\cr
}
}
\source{
Downloaded from \url{http://sfbay.wr.usgs.gov/access/wqdata} on 2009-11-17.
}
\usage{
sfbay
}
\description{
Selected observations and variables from U.S. Geological Survey water quality stations in south San Francisco Bay. Data include \acronym{CTD} and nutrient measurements. Data and documentation herein are from archived wq package: \url{https://cran.r-project.org/web/packages/wq/index.html}
}
\details{
The original downloaded dataset was modified by taking a subset of six well-sampled stations and the period 1985--2004. Variable names were also simplified.
}
\keyword{datasets}