sfbay | R Documentation |
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
sfbay
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 |
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.
Downloaded from http://sfbay.wr.usgs.gov/access/wqdata on 2009-11-17.
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