SEAWAVE-Q Model
Scatter plot of water-quality data
Combine water-quality sample data and continuous ancillary variables
Seasonal Wave Computation
Continuously monitored (daily) data for 06610000 Missouri River at Oma...
Example continuous ancillary variable data.
Example continuous ancillary variable matrix.
Example water-quality data.
Example logical vector.
Example of logarithmically transformed concentration data.
Example data indicators.
Example matrix for internal use.
Example numeric vector used internally.
Example numeric vector used internally.
Example numeric vector used internally.
Example numeric vector used internally.
Example numeric vector used internally.
Example numeric vector used internally.
Internal function that fits the seawaveQ model.
Fit seasonal wave and continuous ancillary data for trend analysis
Water-quality data for 05586100 Illinois River at Valley City, Ill.
Calculate annual loads and summarize trends
Summarize linear trends
Prepares concentration data and continuous ancillary data
Water-quality data for 06610000 Missouri River at Omaha, Nebr.
A model and utilities for analyzing trends in chemical concentrations ...
Internal function that generates plots of data and model results.
Internal function that generates plots of data and model results.
A model and utilities for analyzing trends in chemical concentrations in streams with a seasonal wave (seawave) and adjustment for streamflow (Q) and other ancillary variables. See Ryberg and York, 2020, <doi:10.3133/ofr20201082>.