If you are interested in the "tannic" dissolved organic matter, one method to look into might be excitation–emission matrix (EEM) fluorescence spectroscopy with parallel factor analysis (PARAFAC).
On Fri, Mar 23, 2012 at 11:15 AM, Chalfant, Brian <[email protected]> wrote: > Estimable Ecologgers - > > Does anyone have any references on chemical characterization of tannic / > blackwater streams? What are key chemical parameters that distinguish such > streams? Dissolved organic carbon? pH? Alkali and alkaline earth metal > cations? Something else? Some combination of these players? Are there > different "kinds" of tannic streams? > > Visually, it's easy enough to see a stream looks like tea, but is there a > suite of chemical parameters that correspond to this visual perception? > > Much obliged - > Brian > > > Brian A. Chalfant | -ologist > Pennsylvania Department of Environmental Protection > Rachel Carson State Office Building > 400 Market Street | Harrisburg, PA 17101 > Phone: 717.787.9639 | Fax: 717.772.3249 > www.depweb.state.pa.us<http://www.depweb.state.pa.us/> > > > "At what point in its course does the Mississippi become what the Mississippi > means?" - Thomas Stearns Eliot > > "I can eat fifty eggs." - Lucas Jackson > > "... the ontogeny of a frog is an 'event,'..." - J. S. Rowe > > " 1. "John called" is true. > 2. "It is true that John called." - Karl Popper > > "Just as I feared, her Buddhism has led directly to witchcraft." - Ned > Flanders -- Alea Tuttle Graduate Student University of North Carolina- Charlotte Charlotte, NC 28206 cell phone: 802-777-3104
