TY - RPRT TI - Diel cycles in dissolved metal concentrations in streams: Occurrence and possible causes AU - David A. Nimick AU - Chris Gammons AU - Tom Cleasby AU - James P. Madison AU - Don Skaar AU - Christine M. Brick PY - 2003 DO - 10.1029/2002wr001571 UR - https://pubs.usgs.gov/publication/70025125 ID - 70025125 ER -