Data from the Texas Commission on Environmental Quality Surface Water Quality
Monitoring Information System. The Average_DO`` field is the mean of dissolved oxygen concentrations (mg/L) measured at a field site at that day. The
Min_DO` field
is the minimum dissolved oxygen concentration measured at that site on that day.
Usage
data(dissolved_oxygen)
Format
A data frame with 236 rows and 6 variables:
- station_id
unique water quality monitoring station identifier
- end_date
sampling date in yyyy-mm-dd format
- parameter_code
unique parameter code
- parameter_description
parameter description with units
- average_do
mean of dissolved oxygen measurement, in mg/L
- min_do
minimum of dissolved oxygen measurement, in mg/L