Blue carbon oxidation revealed by radiogenic and stable isotopes in a mangrove system

Geophysical Research Letters

Volumn 44, Issue 10, 2017, Pages 4889-4896

  Maher, Damien T ^a   Santos, Isaac R ^a   Schulz, Kai G ^a   Call, Mitchell ^a   Jacobsen, Geraldine E ^b   Sanders, Christian J ^a  

^a SOUTHERN CROSS UNIVERSITY   (Australia)

^b AUSTRALIAN NUCLEAR SCIENCE AND TECHNOLOGY ORGANISATION   (Australia)

Author keywords

carbon sequestration; pore water; radiocarbon; remineralization; submarine groundwater discharge

Indexed keywords

FORESTRY; GROUNDWATER; SEDIMENTS; SUBMARINES; SURFACE WATERS; WATER;

CARBON SEQUESTRATION; PORE WATERS; RADIOCARBON; REMINERALIZATION; SUBMARINE GROUNDWATER DISCHARGE;

DISCHARGE (FLUID MECHANICS);

CARBON ISOTOPE; CARBON SEQUESTRATION; DISCHARGE; DISSOLVED INORGANIC CARBON; GROUNDWATER; HYDROLOGICAL CHANGE; MANGROVE; OXIDATION; RADIONUCLIDE; REMINERALIZATION; STABLE ISOTOPE; TIMESCALE; WATER EXCHANGE;

RHIZOPHORACEAE;

EID: 85021203533     PISSN: 00948276     EISSN: 19448007     Source Type: Journal    
DOI: 10.1002/2017GL073753     Document Type: Article

References (41)

1. Alongi, D. M. (2005), Mangrove–Microbe–Soil Relations, in Interactions Between Macro- and Microorganisms in Marine Sediments, edited by E. Kristensen, R. R. Haese, and J. E. Kostka, AGU, Washington, D. C., doi:10.1029/CE060p0085.
2. Alongi, D. M. (2014), Carbon cycling and storage in mangrove forests, Annu. Rev. Mar. Sci., 6, 195–219.
3. Arndt, S., B. B. Jørgensen, D. E. LaRowe, J. J. Middelburg, R. D. Pancost, and P. Regnier (2013), Quantifying the degradation of organic matter in marine sediments: A review and synthesis, Earth Sci. Rev., 123, 53–86.
4. Bouillon, S., J. J. Middelburg, F. Dehairs, A. V. Borges, G. Abril, M. R. Flindt, S. Ulomi, and E. Kristensen (2007), Importance of intertidal sediment processes and porewater exchange on the water column biogeochemistry in a pristine mangrove creek (Ras Dege, Tanzania), Biogeosciences, 4(3), 311–322.
5. Breithaupt, J. L., J. M. Smoak, T. J. Smith, C. J. Sanders, and A. Hoare (2012), Organic carbon burial rates in mangrove sediments: Strengthening the global budget, Global Biogeochem. Cycles, 26, GB3011, doi:10.1029/2012GB004375.
6. 222Rn in the coastal ocean, J. Radioanal. Nucl. Chem., 249(1), 167–172.
7. Call, M., et al. (2015), Spatial and temporal variability of carbon dioxide and methane fluxes over semi-diurnal and spring-neap-spring timescales in a mangrove creek, Geochim. Cosmochim. Acta, 150, 211–225, doi:10.1016/j.gca.2014.11.023.
8. Choi, Y., and Y. Wang (2004), Dynamics of carbon sequestration in a coastal wetland using radiocarbon measurements, Global Biogeochem. Cycles, 18, GB4016, doi:10.1029/2004GB002261.
9. DeNiro, M. J., and S. Epstein (1978), Influence of diet on the distribution of carbon isotopes in animals, Geochim. Cosmochim. Acta, 42(5), 495–506.
10. Donato, D. C., J. B. Kauffman, D. Murdiyarso, S. Kurnianto, M. Stidham, and M. Kanninen (2011), Mangroves among the most carbon-rich forests in the tropics, Nat. Geosci., 4, 293–297.
11. Fink, D., et al. (2004), The ANTARES AMS facility at ANSTO, Nucl. Instrum. Methods Phys. Res., Sect. B, 223, 109–115.
12. 2: Performance of cavity ringdown spectroscopy and gas matrix effects, Limnol. Oceanogr. Methods, 8, 539–551.
13. 224Ra measurements in water via a Delayed Coincidence Counter (RaDeCC), Mar. Chem., 109(3), 198–219.
14. Gleeson, J., I. R. Santos, D. T. Maher, and L. Golsby-Smith (2013), Groundwater-surface water exchange in a mangrove tidal creek: Evidence from natural geochemical tracers and implications for nutrient budgets, Mar. Chem., 156, 27–37.
15. Hua, Q., G. Jacobsen, U. Zoppi, E. Lawson, A. Williams, A. Smith, and M. McGann (2001), Progress in radiocarbon target preparation at the ANTARES AMS Centre, Radiocarbon, 43(2), 275–282.
16. Keeling, C. D. (1958), The concentration and isotopic abundances of atmospheric carbon dioxide in rural areas, Geochim. Cosmochim. Acta, 13, 322–334.
17. Kelleway, J. J., N. Saintilan, P. I. Macreadie, C. G. Skilbeck, A. Zawadzki, and P. J. Ralph (2015), Seventy years of continuous encroachment substantially increases ‘blue carbon’ capacity as mangroves replace intertidal salt marshes, Global Change Biol., 22, 1097–1109.
18. Kristensen, E. (2008), Mangrove crabs as ecosystem engineers; with emphasis on sediment processes, J. Sea Res., 59, 30–43.
19. 2 system calculations. Rep. ORNL/CDIAC-105, U.S. Dep. of Energy., Carbon Dioxide Inf. Anal. Cent. Oak Ridge Natl. Lab., Oak Ridge, Tenn.
20. Lovelock, C. E., M. F. Adame, V. Bennion, M. Hayes, J. O'Mara, R. Reef, and N. S. Santini (2014), Contemporary rates of carbon sequestration through vertical accretion of sediments in mangrove forests and saltmarshes of South East Queensland, Australia, Estuaries Coasts, 37(3), 763–771.
21. Maher, D. T., I. R. Santos, L. Golsby-Smith, J. Gleeson, and B. D. Eyre (2013), Groundwater-derived dissolved inorganic and organic carbon exports from a mangrove tidal creek: The missing mangrove carbon sink?, Limnol. Oceanogr., 58(2), 475–488.
22. Middelburg, J. J. (1989), A simple rate model for organic matter decomposition in marine sediments, Geochim. Cosmochim. Acta, 53(7), 1577–1581.
23. 2, Front. Ecol. Environ., 9(10), 552–560.
24. 224Ra in coastal waters using a delayed coincidence counter, J. Geophys. Res, 101(C1), 1321–1329, doi:10.1029/95JC03139.
25. Murdiyarso, D., J. Purbopuspito, J. B. Kauffman, M. W. Warren, S. D. Sasmito, D. C. Donato, S. Manuri, H. Krisnawati, S. Taberima, and S. Kurnianto (2015), The potential of Indonesian mangrove forests for global climate change mitigation, Nat. Clim. Change, 5(12), 1089–1092.
26. Nellemann, C., E. Corcoran, C. Duarte, L. Valdés, C. De Young, L. Fonseca, and G. Grimsditch (2009), Blue carbon. A rapid response assessment, United Nations Environment Programme, GRID-Arendal.
27. Pataki, D. E., J. R. Ehleringer, L. B. Flanagan, D. Yakir, D. R. Bowling, C. J. Still, N. Buchmann, J. O. Kaplan, and J. A. Berry (2003), The application and interpretation of Keeling plots in terrestrial carbon cycle research, Global Biogeochem. Cycles, 17(1), 1022, doi:10.1029/2001GB001850.
28. Rama, and W. S. Moore (1996), Using the radium quartet for evaluating groundwater input and water exchange in salt marshes, Geochim. Cosmochim. Acta, 60(23), 4645–4652.
29. 13C natural abundances for evaluating riverine, estuarine, and coastal DOC and POC sources and cycling: A review and synthesis, Org. Geochem., 32, 469–485.
30. Raymond, P. A., and J. E. Bauer (2001b), Riverine export of aged terrestrial organic matter to the North Atlantic Ocean, Nature, 409(6819), 497–500.
31. Sanders, C. J., D. T. Maher, D. R. Tait, D. Williams, C. Holloway, J. Z. Sippo, and I. R. Santos (2016a), Are global mangrove carbon stocks driven by rainfall?, J. Geophys. Res. Biogeosci., 121, 2600–2609, doi:10.1002/2016JG003510.
32. 210Pb and historical events to determine carbon, nitrogen and phosphorus burial in mangrove sediments of Moreton Bay, Australia, J. Environ. Radioact., 151, 623–629.
33. Seidel, M. P., M. D. DeGrandpre, and A. G. Dickson (2008), A sensor for in situ indicator-based measurements of seawater pH, Mar. Chem., 109(1–2), 18–28.
34. Sippo, J. Z., D. T. Maher, D. R. Tait, C. Holloway, and I. R. Santos (2016), Are mangroves drivers or buffers of coastal acidification? Insights from alkalinity and dissolved inorganic carbon export estimates across a latitudinal transect, Global Biogeochem. Cycles, 30, 753–766, doi:10.1002/2015GB005324.
35. Stieglitz, T. C., J. F. Clark, and G. J. Hancock (2013), The mangrove pump: The tidal flushing of animal burrows in a tropical mangrove forest determined from radionuclide budgets, Geochim. Cosmochim. Acta, 102, 12–22.
36. Stuiver, M., and H. A. Polach (1977), Discussion; reporting of C-14 data, Radiocarbon, 19(3), 355–363.
37. 14C measurements, Global Biogeochem. Cycles, 21, GB2015, doi:10.1029/2006GB002784.
38. Tait, D. R., D. T. Maher, P. A. Macklin, and I. R. Santos (2016), Mangrove pore water exchange across a latitudinal gradient, Geophys. Res. Lett., 43, 3334–3341, doi:10.1002/2016GL068289.
39. Tait, D. R., D. T. Maher, C. J. Sanders, and I. R. Santos (2017), Radium-derived porewater exchange and dissolved N and P fluxes in mangroves, Geochim. Cosmochim. Acta, 200, 295–309.
40. 13C values using cavity enhanced laser absorption spectrometry: Comparing response times of air-water equilibrators, Limnol. Oceanogr. Methods, 14(5), 323–337.
41. 2, Geochim. Cosmochim. Acta, 59, 107–114.