twentymm: 20mm water quality data
In sbashevkin/discretewq: Integrated Dataset of Discrete Water Quality in the San Francisco Estuary

twentymm

R Documentation

20mm water quality data

Water quality data from the California Department of Fish and Wildlife 20mm survey.

twentymm

a tibble with 10,469 rows and 14 variables

Source: Name of the source dataset.
Station: Station where sample was collected.
Latitude: Latitude in decimal degrees.
Longitude: Longitude in decimal degrees.
Field_coords: Were lat/long coordinates collected in the field (TRUE), or do they represent the location of a fixed station (FALSE)?
Date: Date sample was collected.
Datetime: Date and time of sample collection.
Depth: Bottom depth (m).
Tide: Tidal stage.
Secchi: Secchi depth (cm).
Temperature: Temperature (°C) at surface.
Conductivity: Specific conductance (\muS cm^-1) at surface.
Conductivity_bottom: Specific conductance (\muS cm^-1) at bottom.
Notes: Comments.

More metadata and information on methods are available here.