TY - RPRT TI - Nitrate sources and sinks in Elkhorn Slough, California: Results from long-term continuous in situ nitrate analyzers AU - T.P. Chapin AU - J.M. Caffrey AU - H.W. Jannasch AU - L.J. Coletti AU - J.C. Haskins AU - K.S. Johnson PY - 2004 DO - 10.1007/bf02912049 UR - https://pubs.usgs.gov/publication/70026524 ID - 70026524 ER -