metab_Kmodel models use initial daily estimates of K, along with
predictors such as Q (discharge.daily) or U (velocity.daily) or T (time) to leverage all
available data to reach better, less variable daily estimates of K
See also
Other metab.model.classes:
metab_bayes-class,
metab_mle-class,
metab_model-class,
metab_night-class,
metab_sim-class