TY - RPRT TI - seawaveQ: an R package providing 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 AU - Karen R. Ryberg AU - Aldo V. Vecchia PY - 2013 DO - 10.3133/ofr20131255 UR - https://pubs.usgs.gov/publication/ofr20131255 ID - ofr20131255 ER -