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

SDO	R Documentation

SDO water quality data

Water quality data from the California Department of Water Resources Stockton Dissolved Oxygen monitoring.

SDO

a tibble with 3,112 rows and 16 variables

Source: Name of the source dataset.
Station: Station where sample was collected.
Latitude: Latitude in decimal degrees.
Longitude: Longitude in decimal degrees.
Date: Date sample was collected.
Datetime: Date and time of sample collection.
Microcystis: Microcystis bloom intensity on a qualitative scale from 1 to 5 where 1 = absent, 2 = low, 3 = medium, 4 = high, and 5 = very high.
Secchi: Secchi depth (cm).
Temperature: Temperature (°C) at surface.
Temperature_bottom: Temperature (°C) at bottom.
Conductivity: Specific conductance (\muS cm^-1) at surface.
Conductivity_bottom: Specific conductance (\muS cm^-1) at bottom.
DissolvedOxygen: Dissolved oxygen (mg/L) at surface.
DissolvedOxygen_bottom: Dissolved oxygen (mg/L) at bottom.
pH: pH (dimensionless) at surface.
pH_bottom: pH (dimensionless) at bottom.

More metadata and information on methods are available here.