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Auxiliary material for
Surface Production Fuels Deep Heterotrophic Respiration in Northern Peatlands
J. Elizabeth Corbett1*, David J. Burdige2, Malak M. Tfaily1, Angela R. Dial1, William T.
Cooper4, Paul H. Glaser3, and Jeffrey P. Chanton1
1
2
Earth,Ocean and Atmospheric Science, Florida State University, Tallahassee, FL 32306;
Deptartment of Ocean, Earth and Atmospheric Sciences, Old Dominion University, Norfolk,
VA 23529; 3Deptartment of Geology and Geophysics, Pillsbury Hall University of Minnesota
Minneapolis, MN 55455; 4Department of Chemistry and Biochemistry, Florida State University,
Tallahassee, FL 32306; (*Author for correspondence (email: [email protected]; phone: 917705-2467; fax: 850-644-2581)
Global Biogeochemical Cycles
Introduction
This data set contains all previously unpublished isotopic and concentration data pertaining to
the figures and tables in this manuscript and mentioned in the text. Data were obtained from
water samples collected between 2007 and 2009 from the Glacial Lake Agassiz Peatlands
(GLAP) in northern Minnesota. Data is divided up by type of sample and year of sample
collection. Stable isotope and concentration data was obtained at Florida State University.
Radiocarbon data was obtained from National Ocean Sciences Accelerator Mass Spectrometry
Facility (NOSAMS).
1. ts01.doc (Figures 1, 2, and 4) Radiocarbon data of pore water samples from 2007.
1.1 Column Site, sampling site name
1.2 Column Depth (cm), depth within peat column, units in cm, measured from water
table
1.3 Column Type, type of sample collected: dissolved organic carbon (DOC), dissolved
inorganic carbon (DIC), or other (methane).
1.4 Column δ13C (‰), stable, heavy isotope of carbon, units in ‰
1.5 Column Accession #, NOSAMS identification number of the sample
1.6 Column F modern, the fraction of modern carbon within a sample
1.7 Column Age (years BP), age defined as years before present (BP, defined as 1950),
unit in years BP, calculated from the δ13C-corrected Fraction Modern
1.8 Column Δ14C (‰), radiocarbon values of the sample, units of ‰, corrected for decay
and δ13C
2. ts02.doc (Figures 1, 2, and 4) Radiocarbon data of pore water samples from 2008.
2.1 Column Site, sampling site name
2.2 Column Depth (cm), depth within peat column, units in cm, measured from water
table
2.3 Column Type, type of sample collected: dissolved organic carbon (DOC), dissolved
inorganic carbon (DIC), or other (methane).
2.4 Column δ13C (‰), stable, heavy isotope of carbon, units in ‰
2.5 Column Accession #, NOSAMS identification number of the sample
2.6 Column F modern, the fraction of modern carbon within a sample
2.7 Column Age (years BP), age defined as years before present (BP, defined as 1950),
unit in years BP, calculated from the δ13C-corrected Fraction Modern
2.8 Column Δ14C (‰), radiocarbon values of the sample, units of ‰, corrected for decay
and δ13C
3. ts03.doc (Figures 1, 2, and 4) Radiocarbon data of pore water samples from 2009.
3.1 Column Site, sampling site name
3.2 Column Depth (cm), depth within peat column, units in cm, measured from water
table
3.3 Column Type, type of sample collected: dissolved organic carbon (DOC), dissolved
inorganic carbon (DIC), or other (methane).
3.4 Column δ13C (‰), stable, heavy isotope of carbon, units in ‰
3.5 Column Accession #, NOSAMS identification number of the sample
3.6 Column F modern, the fraction of modern carbon within a sample
3.7 Column Age (years BP), age defined as years before present (BP, defined as 1950),
unit in years BP, calculated from the δ13C-corrected Fraction Modern
3.8 Column Δ14C (‰), radiocarbon values of the sample, units of ‰, corrected for decay
and δ13C
4. ts04.doc Radiocarbon data of CH4 gas bubbles collected in 2007 from within the peat column.
4.1 Column Site, sampling site name
4.2 Column Depth (cm), depth within peat column, units in cm, measured from water
table
4.3 Column Type, type of sample collected: dissolved organic carbon (DOC), dissolved
inorganic carbon (DIC), or other (methane)
4.4 Column δ13C (‰), stable, heavy isotope of carbon, units in ‰
4.5 Column Accession #, NOSAMS identification number of the sample
4.6 Column F modern, the fraction of modern carbon within a sample
4.7 Column Age (years BP), age defined as years before present (BP, defined as 1950),
unit in years BP, calculated from the δ13C-corrected Fraction Modern
4.8 Column Δ14C (‰), radiocarbon values of the sample, units of ‰, corrected for decay
and δ13C
5. ts05.doc DIC and dissolved CH4 concentration and stable isotope values for 2007 samples.
5.1 Column Site, sampling site name
5.2 Column Depth (cm), depth within peat column, units in cm, measured from water
table
5.3 Column DIC (mM), concentration of dissolved inorganic carbon (DIC), units in mM
5.4 Column δ13C-DIC (‰), stable, heavy isotope of DIC, units in ‰
5.5 Column CH4 (mM), concentration of dissolved methane, units in mM
5.6 Column δ13C-CH4 (‰), stable, heavy isotope of CH4, units in ‰
6. ts06.doc DIC and dissolved CH4 concentration and stable isotope values for 2008 samples.
6.1 Column Site, sampling site name
6.2 Column Depth (cm), depth within peat column, units in cm, measured from water
table
6.3 Column DIC (mM), concentration of dissolved inorganic carbon (DIC), units in mM
6.4 Column δ13C-DIC (‰), stable, heavy isotope of DIC, units in ‰
6.5 Column CH4 (mM), concentration of dissolved methane, units in mM
6.6 Column δ13C-CH4 (‰), stable, heavy isotope of CH4, units in ‰
7. ts07.doc DIC and dissolved CH4 concentration and stable isotope values for 2009 samples.
7.1 Column Site, sampling site name
7.2 Column Depth (cm), depth within peat column, units in cm, measured from water
table
7.3 Column DIC (mM), concentration of dissolved inorganic carbon (DIC), units in mM
7.4 Column δ13C-DIC (‰), stable, heavy isotope of DIC, units in ‰
7.5 Column CH4 (mM), concentration of dissolved methane, units in mM
7.6 Column δ13C-CH4 (‰), stable, heavy isotope of CH4, units in ‰
8. ts08.doc Concentration data for pore water samples measured in 2007. Data is shown for
concentrations of DOC (dissolved organic carbon), TN (total nitrogen), and ammonium (NH4+).
8.1 Column Site, sampling site name
8.2 Column Depth (cm), depth within peat column, units in cm, measured from water
table
8.3 Column DOC (mM), concentration of dissolved organic carbon (DOC), units in mM
8.4 Column TN (uM), concentration of total nitrogen (TN), units in uM
8.5 Column NH4+ (uM), concentration of ammonium, units in uM
9. ts09.doc Concentration data for pore water samples measured in 2008. Data is shown for
concentrations of DOC (dissolved organic carbon), TN (total nitrogen), and ammonium (NH4+).
9.1 Column Site, sampling site name
9.2 Column Depth (cm), depth within peat column, units in cm, measured from water
table
9.3 Column DOC (mM), concentration of dissolved organic carbon (DOC), units in mM
9.4 Column TN (uM), concentration of total nitrogen (TN), units in uM
9.5 Column NH4+ (uM), concentration of ammonium, units in uM
10. ts10.doc Concentration data for pore water samples measured in 2009. Data is shown for
concentrations of DOC (dissolved organic carbon), TN (total nitrogen), and ammonium (NH4+).
10.1 Column Site, sampling site name
10.2 Column Depth (cm), depth within peat column, units in cm, measured from water
table
10.3 Column DOC (mM), concentration of dissolved organic carbon (DOC), units in mM
10.4 Column TN (uM), concentration of total nitrogen (TN), units in uM
10.5 Column NH4+ (uM), concentration of ammonium, units in uM
11. ts11.doc (Figure 3) Radiocarbon data of solid phase peat.
11.1 Column Site, sampling site name
11.2 Column Depth (cm), depth within peat column, units in cm, measured from water
table
11.3 Column δ13C (‰), stable, heavy isotope of carbon, units in ‰
11.4 Column Accession #, NOSAMS identification number of the sample
11.5 Column F modern, the fraction of modern carbon within a sample
11.6 Column Age (years BP), age defined as years before present (BP, defined as 1950),
unit in years BP, calculated from the δ13C-corrected Fraction Modern
11.7 Column Δ14C (‰), radiocarbon values of the sample, units of ‰, corrected for
decay and δ13C
12. ts12.doc (Figure 6) Radiocarbon data of DOC taken from bulk sample (not filtered).
12.1 Column Site, sampling site name
12.2 Column Run, denotes duplicate analyses
12.3 Column δ13C (‰), stable, heavy isotope of carbon, units in ‰
12.4 Column Accession #, NOSAMS identification number of the sample
12.5 Column F modern, the fraction of modern carbon within a sample
12.6 Column Age (years BP), age defined as years before present (BP, defined as 1950),
unit in years BP, calculated from the δ13C-corrected Fraction Modern
12.7 Column Δ14C (‰), radiocarbon values of the sample, units of ‰, corrected for
decay and δ13C
13. ts13.doc (Figure 6) Radiocarbon data of DOC filtrate from bulk sample that had been passed
through a 100-kDa filter size.
13.1 Column Site, sampling site name
13.2 Column Run, denotes duplicate analyses
13.3 Column δ13C (‰), stable, heavy isotope of carbon, units in ‰
13.4 Column Accession #, NOSAMS identification number of the sample
13.5 Column F modern, the fraction of modern carbon within a sample
13.6 Column Age (years BP), age defined as years before present (BP, defined as 1950),
unit in years BP, calculated from the δ13C-corrected Fraction Modern
13.7 Column Δ14C (‰), radiocarbon values of the sample, units of ‰, corrected for
decay and δ13C
14. ts14.doc (Figure 6) Radiocarbon data of DOC filtrate from bulk sample that had been passed
through a 10-kDa filter size.
14.1 Column Site, sampling site name
14.2 Column Run, denotes duplicate analyses
14.3 Column δ13C (‰), stable, heavy isotope of carbon, units in ‰
14.4 Column Accession #, NOSAMS identification number of the sample
14.5 Column F modern, the fraction of modern carbon within a sample
14.6 Column Age (years BP), age defined as years before present (BP, defined as 1950),
unit in years BP, calculated from the δ13C-corrected Fraction Modern
14.7 Column Δ14C (‰), radiocarbon values of the sample, units of ‰, corrected for
decay and δ13C
15. ts15.doc (Figure 6) Radiocarbon data of DOC filtrate from bulk sample that had been passed
through a 3-kDa filter size.
15.1 Column Site, sampling site name
15.2 Column Run, denotes duplicate analyses
15.3 Column δ13C (‰), stable, heavy isotope of carbon, units in ‰
15.4 Column Accession #, NOSAMS identification number of the sample
15.5 Column F modern, the fraction of modern carbon within a sample
15.6 Column Age (years BP), age defined as years before present (BP, defined as 1950),
unit in years BP, calculated from the δ13C-corrected Fraction Modern
15.7 Column Δ14C (‰), radiocarbon values of the sample, units of ‰, corrected for
decay and δ13C
16. ts16.doc (Figure 6) Radiocarbon data of DOC filtrate from bulk sample that had been passed
through a 1-kDa filter size.
16.1 Column Site, sampling site name
16.2 Column Run, denotes duplicate analyses
16.3 Column δ13C (‰), stable, heavy isotope of carbon, units in ‰
16.4 Column Accession #, NOSAMS identification number of the sample
16.5 Column F modern, the fraction of modern carbon within a sample
16.6 Column Age (years BP), age defined as years before present (BP, defined as 1950),
unit in years BP, calculated from the δ13C-corrected Fraction Modern
16.7 Column Δ14C (‰), radiocarbon values of the sample, units of ‰, corrected for
decay and δ13C
17. ts17.doc (Figure 8) Radiocarbon incubation data for RLII Bog.
17.1 Column Depth (cm), depth range of peat sample from peat column, units in cm,
measured from water table
17.2 Column Type, type of sample collected: dissolved organic carbon (DOC), dissolved
inorganic carbon (DIC), or other (methane).
17.3 Column δ13C (‰), stable, heavy isotope of carbon, units in ‰
17.4 Column Accession #, NOSAMS identification number of the sample
17.5 Column F modern, the fraction of modern carbon within a sample
17.6 Column Age (years BP), age defined as years before present (BP, defined as 1950),
unit in years BP, calculated from the δ13C-corrected Fraction Modern
17.7 Column Δ14C (‰), radiocarbon values of the sample, units of ‰, corrected for
decay and δ13C
18. ts18.doc (Figure 8) Radiocarbon incubation data for RLII Fen.
18.1 Column Depth (cm), depth range of peat sample from peat column, units in cm,
measured from water table
18.2 Column Type, type of sample collected: dissolved organic carbon (DOC), dissolved
inorganic carbon (DIC), or other (methane).
18.3 Column δ13C (‰), stable, heavy isotope of carbon, units in ‰
18.4 Column Accession #, NOSAMS identification number of the sample
18.5 Column F modern, the fraction of modern carbon within a sample
18.6 Column Age (years BP), age defined as years before present (BP, defined as 1950),
unit in years BP, calculated from the δ13C-corrected Fraction Modern
18.7 Column Δ14C (‰), radiocarbon values of the sample, units of ‰, corrected for
decay and δ13C
19. ts19.doc (Figure 8) Radiocarbon incubation data for RLIV Fen.
19.1 Column Depth (cm), depth range of peat sample from peat column, units in cm,
measured from water table
19.2 Column Type, type of sample collected: dissolved organic carbon (DOC), dissolved
inorganic carbon (DIC), or other (methane).
19.3 Column δ13C (‰), stable, heavy isotope of carbon, units in ‰
19.4 Column Accession #, NOSAMS identification number of the sample
19.5 Column F modern, the fraction of modern carbon within a sample
19.6 Column Age (years BP), age defined as years before present (BP, defined as 1950),
unit in years BP, calculated from the δ13C-corrected Fraction Modern
19.7 Column Δ14C (‰), radiocarbon values of the sample, units of ‰, corrected for
decay and δ13C
20. ts20.doc (Figure 8) Radiocarbon incubation data for Turnagain Bog.
20.1 Column Depth (cm), depth range of peat sample from peat column, units in cm,
measured from water table
20.2 Column Type, type of sample collected: dissolved organic carbon (DOC), dissolved
inorganic carbon (DIC), or other (methane).
20.3 Column δ13C (‰), stable, heavy isotope of carbon, units in ‰
20.4 Column Accession #, NOSAMS identification number of the sample
20.5 Column F modern, the fraction of modern carbon within a sample
20.6 Column Age (years BP), age defined as years before present (BP, defined as 1950),
unit in years BP, calculated from the δ13C-corrected Fraction Modern
20.7 Column Δ14C (‰), radiocarbon values of the sample, units of ‰, corrected for
decay and δ13C
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