sfbay: San Francisco Bay water quality data
In fawda123/WtRegDO: Implement Weighted Regression on Dissolved Oxygen Time Series

sfbay

R Documentation

San Francisco Bay water quality data

Description

Selected observations and variables from U.S. Geological Survey water quality stations in south San Francisco Bay. Data include CTD and nutrient measurements. Data and documentation herein are from archived wq package: https://cran.r-project.org/package=wq

Usage

sfbay

Format

sfbay is a data frame with 23207 observations (rows) of 12 variables (columns):

`[, 1]`	`date`	date
`[, 2]`	`time`	time
`[, 3]`	`stn`	station code
`[, 4]`	`depth`	measurement depth
`[, 5]`	`chl`	chlorophyll a
`[, 6]`	`dox.pct`	dissolved oxygen
`[, 7]`	`spm`	suspended particulate matter
`[, 8]`	`ext`	extinction coefficient
`[, 9]`	`sal`	salinity
`[, 10]`	`temp`	water temperature
`[, 11]`	`nox`	nitrate + nitrite
`[, 12]`	`nhx`	ammonium

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.