Annual mean concentrations and annual total loads from WRTDS and WRTDS_K models for sites in the Spokane River watershed, water years 1990 to 2018
Weighted Regression on Time, Discharge and Season (WRTDS) and WRTDS with Kalman filtering (WRTDS_K) models were developed for total and dissolved cadmium, zinc and lead; total phosphorus and nitrogen; and dissolved orthophosphate at twelve sites in the Spokane River watershed, northern Idaho, for water years 1990 to …