Hi all, Can anyone suggest any papers that examine the stable isotopes of carbon in dissolved inorganic carbon in river or stream waters? I am particularly interested in instances where very low d13C values may have been observed. Thanks Melissa -- ____________________________________________ Melissa Lafrenière PhD. Student Department of Earth and Atmospheric Sciences 3-20 Tory Building University of Alberta, Edmonton AB T6G 2R3 Phone: (780) 492-3265 Fax: (780) 492-7598 ____________________________________________