Auxiliary Material for Paper 2012GL052974
Photochemical reactivity of ancient marine dissolved organic carbon
Steven R. Beaupre
Department of Earth System Science, University of California, Irvine, California, USA
Now at Department of Geology and Geophysics, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts, USA
Ellen R. M. Druffel
Department of Earth System Science, University of California, Irvine, California, USA
Beaupre, S. R., and E. R. M. Druffel (2012), Photochemical reactivity of ancient marine dissolved organic carbon, Geophys. Res. Lett., 39, L18602, doi:10.1029/2012GL052974.
Introduction
This auxiliary material contains a single text file that supports the manuscript by providing i) derivations of equations from the text, ii) additional details on the key calculations that implement these equations, and iii) an archive of the data in the form of a table.
1. 2012gl052974-txts01.docx
Text S1. This file includes derivations of equations from the text, additional details on key calculations, and a table of serial-oxidation data.
Contents
S1. Introduction
S2. Derivations
S2.1. Integrated second order kinetics equation for bulk DOC (Equation 2)
S2.2. Integrated second order kinetics equation for binary DOC mixtures (Equation 3)
S2.3. MacLaurin series approximation of equation 3
S2.4. Time-dependence of cumulative DIChv D14C values (Equation 5)
S2.5. Limiting D14C value of residual bulk DOC (Equation 6)
S3. Calculations
S3.1. Comparison of first and second order kinetics
S3.2. Calculating losses in yield due to lamp warm up
S3.3. Percentage of relict carbon in the most reactive fraction of DIChv
Table S1: Concentrations and D14C values of DIChv during serial-oxidations
References
http://dx.doi.org/10.1029/2012GL052974