TY - RPRT TI - Identifying sources of dissolved organic carbon in agriculturally dominated rivers using radiocarbon age dating: Sacramento-San Joaquin River Basin, California AU - James O. Sickman AU - Carol L. DiGiorgio AU - M. Lee Davisson AU - Delores M. Lucero AU - Brian A. Bergamaschi PY - 2009 DO - 10.1007/s10533-009-9391-z UR - https://pubs.usgs.gov/publication/70003527 ID - 70003527 ER -