Organic carbon production, mineralisation and preservation on the Peruvian margin

Biogeosciences

Volumn 12, Issue 5, 2015, Pages 1537-1559

  Dale, A W ^a   Sommer, S ^a   Lomnitz, U ^a   Montes, I ^b   Treude, T ^a,c   Liebetrau, V ^a   Gier, J ^a   Hensen, C ^a   Dengler, M ^a   Stolpovsky, K ^a   Bryant, L D ^a   Wallmann, K ^a  

^a GEOMAR HELMHOLTZ CENTRE FOR OCEAN RESEARCH KIEL   (Germany)

^b INSTITUTO GEOFÍSICO DEL PERÚ   (Peru)

^c UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACCUMULATION RATE; BENTHIC FLUX; BOTTOM WATER; CARBON CYCLE; FLUX MEASUREMENT; IN SITU MEASUREMENT; MINERALIZATION; ORGANIC CARBON; OXYGEN; OXYGEN MINIMUM LAYER; SEDIMENT ANALYSIS; SEDIMENT CHEMISTRY; SEDIMENTATION RATE; VENTILATION; WATER DEPTH;

PERU;

EID: 84924674623     PISSN: 17264170     EISSN: 17264189     Source Type: Journal    
DOI: 10.5194/bg-12-1537-2015     Document Type: Article

References (112)

1. Aller, R. C.: Bioturbation and remineralization of sedimentary organic matter: effects of redox oscillation, Chem. Geol., 114, 331-345, 1994.
2. Aller, R. C.: Mobile deltaic and continental shelf muds as suboxic, fluidized bed reactors, Mar. Chem., 61, 143-155, 1998.
3. Arntz, W. E., Tarazona, J., Gallardo, V. A., Flores, L. A., and Salzwedel, H.: Benthos communities in oxygen deficient shelf and upper slope areas of the Peruvian and Chilean Pacific coast, and changes caused by El Níno, in: Modern and Ancient Continental Shelf Anoxia, Tyson, edited by: R. V. and Pearson, T. H., Geol. Soc. Spec. Pub., 58, 131-154, 1991.
4. Arthur, M. A., Dean, W. E., and Laarkamp, K.: Organic carbon accumulation and preservation in surface sediments on the Peru margin, Chem. Geol., 152, 273-286, 1998.
5. Berelson, W. M.: The flux of particulate organic carbon into the ocean interior: a comparison of four US JGOFS regional studies, Oceanography, 14, 59-67, 2001.
6. Berelson, W. M., McManus, J., Coale, K. H., Johnson, K. S., Kilgore, T., Burdige, D., and Pilskaln, C.: Biogenic matter diagenesis on the sea floor: A comparison between two continental margin transects, J. Mar. Res., 54, 731-762, 1996.
7. Bergamaschi, B. A., Tsamakis, E., Keil, R. G., Eglinton, T. I., Montlucon, D. B., and Hedges, J.: I. The effect of grain size and surface area on organic matter, lignin and carbohydrate concentration, and molecular compositions in Peru Margin sediments, Geochim. Cosmochim. Acta, 61, 1247-1260, 1997.
8. 2, Oxford University Press, Oxford, 2004.
9. Betzer, P. R., Showers, W. J., Laws, E. A., Winn, C. D., Di Tullio, G. R., and Kroopnick, P. R.: Primary productivity and particle fluxes on a transect of the equator at 153° Win the Pacific Ocean, Deep-Sea Res., 31, 1-11, 1984.
10. Bohlen, L., Dale, A. W., Sommer, S., Mosch, T., Hensen, C., Noffke, A., Scholz, F., and Wallmann, K.: Benthic nitrogen cycling traversing the Peruvian oxygen minimum zone, Geochim. Cosmochim. Ac., 75, 6094-6111, 2011.
11. Böning, P., Brumsack, H. J., Böttcher, M. E., Schnetger, B., Kriete, C., Kallmeyer, J., and Borchers, S. L., Geochemistry of Peruvian near-surface sediments, Geochim. Cosmochim. Acta, 68, 4429-4451, 2004.
12. Boudreau, B. P.: A method-of-lines code for carbon and nutrient diagenesis in aquatic sediments, Comp. Geosci., 22, 479-496, 1996.
13. Buesseler, K. O., Antia, A. N., Chen, M., Fowler, S.W., Gardner, W. D., Gustafsson, Ö., Harada, K., Michaels, A. F., Rutgers v. d. Loeff, M., Sarin, M., Steinberg, D. K., and Trull, T:. An assessment of the use of sediment traps for estimating upper ocean particle fluxes, J. Mar. Res., 65, 345-416, 2007.
14. Burdige, D. J.: Geochemistry of Marine Sediments, Princeton University Press, Princeton, 2006.
15. Burdige, D. J.: Preservation of organic matter in marine sediments: controls, mechanisms, and an imbalance in sediment organic carbon budgets? Chem. Rev., 107, 467-485, 2007.
16. Burwicz, E. B., Rüpke, L. H., and Wallmann, K.: Estimation of the global amount of submarine gas hydrates formed via microbial methane formation based on numerical reaction-transport modelling and a novel parameterization of Holocene sedimentation, Geochim. Cosmochim. Acta, 75, 4562-4576, 2011.
17. Cai, W. J. and Sayles, F. L: Oxygen penetration depths and fluxes in marine sediments, Mar. Chem., 52, 123-131, 1996.
18. Canfield, D. E.: Organic matter oxidation in marine sediments, in: Interactions of C, N, P and S Biogeochemical Cycles and Global Change, edited by: Wollast, R., Mackenzie, F. T., and Chou, L., NATO ASI Ser. I, 4, Springer, Berlin, 333-364, 1993.
19. Canfield, D. E.: Factors influencing organic carbon preservation in marine sediments, Chem. Geol., 114, 315-329, 1994.
20. CARS: CSIRO Atlas of Regional Seas, http://www.marine.csiro.au/~dunn/cars2009, last access: 12 August 2014.
21. Carton, J. A. and Giese, B. S.: A reanalysis of ocean climate using Simple Ocean Data Assimilation (SODA), Mon. Wea. Rev., 136, 2999-3017, 2008.
22. Chaigneau, A., Dominguez, N., Eldin, G., Vasquez, L., Flores, R., Grados, C., and Echevin, V.: Near-coastal circulation in the Northern Humboldt Current System from shipboard ADCP data, J. Geophys. Res-Oceans, 118, 5251-5266, 2013.
23. Christensen, E. R.: A model for radionuclides in sediments influenced by mixing and compaction, J. Geophys. Res. 87, 566-572, 1982.
24. Dale, A. W., Sommer, S., Ryabenko, E., Noffke, A., Bohlen, L., Wallmann, K., Stolpovsky, K., Greinert, J., and Pfannkuche, O.: Benthic nitrogen fluxes and fractionation of nitrate in the Mauritanian oxygen minimum zone (Eastern Tropical North Atlantic), Geochim. Cosmochim. Acta, 134, 234-256, 2014.
25. Da Silva, A. M., Young, C. C., and Levitus, S.: Atlas of surface marine data 1994, vol. 1, Algorithms and procedures, technical report, Natl. Oceanogr. Atmos. Admin., Silver Spring, MD, 1994.
26. Demaison, G. J. and Moore, G. T.: Anoxic environments and oil source bed genesis, Am. Assoc. Petrol. Geolog. Bull., 64, 1179-1209, 1980.
27. Devol, A. H. and Hartnett H. E.: Role of the oxygen-deficient zone in transfer of organic carbon to the deep ocean, Limnol. Oceanogr., 46, 1684-1690, 2001.
28. Dunne, J. P., Armstrong, R. A., Gnanadesikan, A., and Sarmiento, J. L.: Empirical and mechanistic models for the particle export ratio, Glob. Biogeochem. Cy., 19, GB4026, doi:10.1029/2004GB002390, 2005.
29. Echevin, V., Aumont, O., Ledesms, J., and Flores, G.: The seasonal cycle of surface chlorophyll in the Peruvian upwelling system: A modelling study, Prog. Oceanogr., 79, 167-176, 2008.
30. Fiedler P. C. and Talley L. D.: Hydrography of the eastern tropical Pacific: A review. Prog. Oceanogr., 69, 143-180, 2006.
31. Flemming, B. H.: A revised textural classification of gravel-free muddy sediments on the basis of ternary diagrams, Cont. Shelf Res., 20, 1125-1137, 2000.
32. Fuenzalida R., Schneider W., Garcés-Vargas J., Bravo L., and Lange C.: Vertical and horizontal extension of the oxygen minimum zone in the eastern South Pacific Ocean, Deep Sea Res. II, 56, 1027-1038, 2009.
33. Gallardo, V. A.: Large benthic microbial communities in sulphide biota under Peru-Chile subsurface countercurrent, Nature, 268, 331-332, 1977.
34. Giering, S. L. C., Sanders, R., Lampitt, R. S., Anderson, T. R., Tamburini, C., Boutrif, M., Zubkov, M. V., Marsay, C. M., Henson, S. A., Saw, K., Cook, K., and Mayor, D. J.: Reconciliation of the carbon budget in the ocean's twilight zone, Nature, 507, 480-483, 2014.
35. Glenn, C. R. and Arthur, M. A.: Petrology and major element geochemistry of Peru margin phosphorites and associated diagenetic minerals: Authigenesis in modern organic-rich sediments., Mar. Geol., 80, 231-267, 1988.
36. Glock, N., Schönfeld, J., Eisenhauer, A., Hensen, C., Mallon, J., and Sommer, S.: The role of benthic foraminifera in the benthic nitrogen cycle of the Peruvian oxygen minimum zone, Biogeosciences, 10, 4767-4783, doi:10.5194/bg-10-4767-2013, 2013.
37. Grasshoff K., Ehrhardt M. and Kremling K.: Methods of Seawater Analysis. Wiley-VCH, Weinheim, 1999.
38. Gutiérrez, D., Gallardo, V. A., Mayor, S., Neira, C., Vásquez, C., Sellanes, J., Rivas, M., Soto, A., Carrasco, F., and Baltaza, M.: Effects of dissolved oxygen and fresh organic matter on the bioturbation potential of macrofauna in sublittoral sediments off Central Chile during the 1997/1998 El Niño, Mar. Ecol. Prog. Ser., 202, 81-99, 2000.
39. Gutiérrez, D., Enríquez, E., Purca, S., Quipúzcoa, L., Marquina, R., Flores, G., and Graco, M.: Oxygenation episodes on the continental shelf of central Peru: Remote forcing and benthic ecosystem response, Prog. Oceanogr., 79, 177-189, 2008.
40. Gutiérrez, D., Sifeddine, A., Field, D. B., Ortlieb, L., Vargas, G., Chávez, F. P., Velazco, F., Ferreira, V., Tapia, P., Salvatteci, R., Boucher, H., Morales, M. C., Valdés, J., Reyss, J.-L., Campusano, A., Boussafir, M., Mandeng-Yogo, M., García, M., and Baumgartner, T.: Rapid reorganization in ocean biogeochemistry off Peru towards the end of the Little Ice Age, Biogeosciences, 6, 835-848, doi:10.5194/bg-6-835-2009, 2009.
41. Gutknecht, E., Dadou, I., Marchesiello, P., Cambon, G., Le Vu, B., Sudre, J., Garçon, V., Machu, E., Rixen, T., Kock, A., Flohr, A., Paulmier, A., and Lavik, G.: Nitrogen transfers off Walvis Bay: a 3-D coupled physical/biogeochemical modeling approach in the Namibian upwelling system, Biogeosciences, 10, 4117-4135, doi:10.5194/bg-10-4117-2013, 2013.
42. Haake, B., V Ittekkot, V., Ramaswamy, V., Nairb, R. R., and Honjo, S.: Fluxes of amino acids and hexosamines to the deep Arabian Sea, Mar. Chem., 40, 291-314, 1992.
43. Haffert, L., Haeckel, M., Liebetrau, V., Berndt, C., Hensen, C., Nuzzo, M., Reitz, A., Scholz, F., Schönfeld, J., Perez-Garcia, C., and Weise, S. M.: Fluid evolution and authigenic mineral paragenesis related to salt diapirism - The Mercator mud volcano in the Gulf of Cadiz, Geochim. Cosmochim. Acta, 106, 261-286, 2013.
44. Hammond, D. E., McManus, J., Berelson, W. M., Kilgore, T. E., and Pope, R. H.: Early diagenesis of organic material in equatorial Pacific sediments: stoichiometry and kinetics, Deep-Sea Res. Pt. II, 43, 1365-1412, 1996.
45. Hartnett H. E., Keil R. G., Hedges J. I., and Devol A. H.: Influence of oxygen exposure time on organic carbon preservation in continental margin sediments, Nature, 391, 572-574, 1998.
46. Hedges, J. I. and Keil R. G.: Sedimentary organic matter preservation: an assessment and speculative synthesis, Mar. Chem., 49, 81-115, 1995.
47. Hedges, J. I., Hu, F. S., Devol, A. H., Hartnett H. E., Tsamakis, E., and Keil, R. G.: Sedimentary organic matter preservation: A test for selective degradation under oxic conditions, Am. J. Sci., 299, 529-555, 1999.
48. Henrichs, S. M. and Farrington, J. W.: Peru upwelling region sediments near 15° S. 1. Remineralization and accumulation of organic matter, Limnol. Oceanogr., 29, 1-19, 1984.
49. Hosegood P. and van Haren H.: Near-bed solibores over the continental slope in the Faeroe-Shetland Channel. Deep-Sea Res. II, 51, 2943-71, 2004.
50. Huettel, M., Forster, S., Kloser, S., and Fossing, H.: Vertical migration in the sediment-dwelling sulfur bacteria Thioploca spp. in overcoming diffusion limitations, App. Environm. Microbiol., 62, 1863-1872, 1996.
51. Hulthe, G., Hulth, S., and Hall, P. O. J.: Effect of oxygen on degradation rate of refractory and labile organic matter in continental margin sediments, Geochim. Cosmochim. Acta, 62, 1319-1328, 1998.
52. Jahnke, R. A., Reimers, C. E., and Craven, D. B.: Intensification of recycling of organic matter at the sea floor near ocean margins, Nature, 348, 50-54, 1990.
53. Jahnke, R. A., Nelson, J. R., Marinelli, R. L., and Eckman, J. E.: Benthic flux of biogenic elements on the Southeastern US continental shelf: influence of pore water advective transport and benthic microalgae, Cont. Shelf Res., 20, 109-127, 2000.
54. Jørgensen, B. B. and Gallardo, V. A.: Thioploca spp: filamentous sulfur bacteria with nitrate vacuoles, FEMS Microbiol. Ecol., 28, 301-313, 1999.
55. Kalvelage, T., Lavik, G., Lam, P., Contreras, S., Arteaga, L., Löscher, C. R., Oschlies, A., Paulmier, A., Stramma, L., and Kuypers, M. M. M.: Nitrogen cycling driven by organic matter export in the South Pacific oxygen minimum zone, Nat. Geosci., 6, 228-234, 2013.
56. Keil, R. G. and Cowie, G. L.: Organic matter preservation through the oxygen-deficient zone of the NE Arabian Sea as discerned by organic carbon: mineral surface area ratios, Mar. Geol., 161, 13-22, 1999.
57. Keil, R. G., Montlucon, D. B., Prahl, F. G., and Hedges, J. I.: Sorptive preservation of labile organic matter in marine sediments, Nature, 370, 549-552, 1994.
58. Kim, K. H. and Burnett, W. C.: Accumulation and biological mixing of Peru margin sediments, Mar. Geol., 80, 181-194, 1988.
59. Koho, K. A., Nierop, K. G. J., Moodley, L., Middelburg, J. J., Pozzato, L., Soetaert, K., van der Plicht, J., and Reichart, G.- J.: Microbial bioavailability regulates organic matter preservation in marine sediments, Biogeosciences, 10, 1131-1141, doi:10.5194/bg-10-1131-2013, 2013.
60. Koné, V., Machu, E., Penven, P., Andersen, V., Garçon, V., Fréon, P., and Demarcq, H.: Modelling the primary and secondary productions of the southern Benguela upwelling system: A comparative study through two biogeochemical models, Glob. Biogeochem. Cy., 19, GB4021, doi:10.1029/2004GB002427, 2005.
61. Krissek, L. A., Scheideddger, K. F., and Kulm, L. V.: Surface sediments of the Peru-Chile continental margin and the Nazca plate, Geol. Soc. Am. Bull., 91, 321-331, 1980.
62. Lasaga, A. C. and Holland, H. D.: Mathematical aspects of nonsteady-state diagenesis, Geochim. Cosmochim. Acta, 40, 257-266, 1976.
63. Lecroart, P., Maire, O., Schmidt, S., Grémare, A., Anschutz, P., and Meysman, F. J. R.: Bioturbation, short-lived radioisotopes, and the tracer-dependence of biodiffusion coefficients, Geochim. Cosmochim. Acta, 74, 6049-6063, 2010.
64. Levin, L., Gutiérrez, D., Rathburn, A., Neira, C., Sellanes, J., Muñoz, P., Gallardo, V., and Salamanca, M.: Benthic processes on the Peru margin: a transect across the oxygen minimum zone during the 1997-98 El Niño, Prog. Oceanogr., 53, 1-27, 2002.
65. Lomstein, B. A., Niggemann, J., Jørgensen, B. B., and Langerhuus, A. T.: Accumulation of prokaryotic remains during organic matter diagenesis in surface sediments off Peru, Limnol. Oceanogr., 54, 1139-1151, 2009.
66. Liu, W.T., Tang, W., and Polito, P. S.: NASA scatterometer provides global ocean-surface wind fields with more structures than numerical weather prediction, Geophys. Res. Lett., 25, 761-764, 1998.
67. Martin, J. H., Knauer, G. A., Karl, D. M., and Broenkow, W. W.: VERTEX: Carbon cycling in the northeast Pacific, Deep Sea Res. A. Oceanogr. Res. Pap., 34, 267-285, 1987.
68. Martini, K. I., Alford, M. H., Kunze, E., Kelly, S. M., and Nash, J. D.: Internal bores and breaking internal tides on the Oregon continental slope. J. Phys. Oceanogr., 43, 120-139, 2013.
69. Mayer, L. M.: Surface area control of organic carbon accumulation in continental shelf sediments, Geochim. Cosmochim. Acta, 58, 1271-1284, 1994.
70. Middelburg, J. J.: A simple rate model for organic matter decomposition in marine sediments, Geochim. Cosmochim. Acta, 53, 1577-1581, 1989.
71. Montes, I., Dewitte, B., Gutknecht, E., Paulmier, A., Dadou, I., Oschlies, A., and Garçon, V.: High-resolution modelling of the Eastern Tropical Pacific Oxygen Minimum Zone: Sensitivity to the tropical oceanic circulation, J. Geophys. Res., 119, 5515-5532, doi:10.1002/2014JC009858, 2014
72. Morales, C. E., Hormazabal, S. E., and Blanco, J. L.: Interannual variability in the mesoscale distribution of the depth of the upper boundary of the oxygen minimum layer off northern Chile (18-24°S): Implications for the pelagic system and biogeochemical cycling, J. Mar. Res., 57, 909-932, 1999.
73. Morel, A. and Berthon, J. A.: Surface pigments, algal biomass profiles, and potential production of the euphotic layer: Relationships reinvestigated in view of remote-sensing applications, Limnol. Oceanogr., 34, 1545-1562, 1989.
74. Mosch, T., Sommer, S., Dengler, M., Noffke, A., Bohlen, L., Pfannkuche, O., Liebetrau, V., and Wallmann, K.: Factors influencing the distribution of epibenthic megafauna across the Peruvian oxygen minimum zone, Deep Sea Res. I., 68, 123-135, 2012.
75. Müller, P. J. and Suess, E.: Productivity, sedimentation rate, and sedimentary organic matter in the oceans - I. Organic carbon preservation. Deep Sea Res. A. Oceanogr. Res. Pap., 26, 1347-1362, 1979.
76. Niggemann, J. and Schubert, C. J.: Sources and fate of amino sugars in coastal Peruvian sediments. Geochim. Cosmochim. Acta, 70, 2229-2237, 2006.
77. Noffke, A., Hensen, C., Sommer, S., Scholz, F., Bohlen, L., Mosch, T., Graco, M., and Wallmann, K.: Benthic iron and phosphorus fluxes across the Peruvian oxygen minimum zone, Limnol. Oceanogr., 57, 851-867, 2012.
78. 4: Version 4, in: O'Reilly, J. E., and 24 coauthors, Sea WiFS Post launch Calibration and Validation Analyses, Part 3, NASA Technical Memorandum 2000-206892, 11, 9-19, 2000.
79. Pedersen, T. F. and Calvert, S. E.: Anoxia vs productivity: what controls the formation of organic carbon-rich sediments and sedimentary rocks? Am. Assoc. Petrol. Geol. Bull., 74, 454-466, 1990.
80. Pennington, J. T., Mahoney, K. L., Kuwahara, V. S., Kolber D. D., Calienes R., and Chavez F. P.: Primary production in the eastern tropical Pacific: A review, Prog. Oceanogr., 69, 285-317, 2006.
81. Primeau, F.: On the variability of the exponent in the power law depth dependence of POC flux estimated from sediment traps, Deep-Sea Res. I 53, 1335-1343, 2006.
82. Quiñones, R. A., Gutierrez, M. H., Daneri, G., Aguilar, D. G., Gonzalez, H. E., Chavez, F. P.: The Humboldt Current System, in: Carbon and Nutrient Fluxes in Continental Margins: A Global Synthesis, edited by: Liu, K-. K., Atkinson, L., Quiñones, R., and Talaue-McManus, L., Springer-Verlag, Berlin, 44-64, 2010.
83. Redfield, A. C., Ketchum, B. H., and Richards, F. A.: The influence of organisms on the composition of seawater, in: The Sea, edited by: Hill, M. N., Interscience, New York, 26-77, 1963
84. Reimers, C. E. and Suess, E.: The partitioning of organic carbon fluxes and sedimentary organic matter decomposition rates in the ocean, Mar. Chem., 13, 141-168, 1983a.
85. Reimers, C. E. and Suess, E.: Late Quaternary fluctuations in the cycling of organic matter off central Peru: A proto-kerogen record, in: Coastal Upwelling, edited by: Suess, E. and Thiede, J., Its Sediment Record. Part A., Plenum Press, New York, 497-526, 1983b.
86. Reimers, C. E. and Suess, E. Spatial and temporal patterns of organic matter accumulation on the Peru continental margin, in: Coastal Upwelling, edited by: Suess, E. and Thiede, J., Its Sediment Record. Part B., Plenum Press, New York, 311-345, 1983c.
87. Reimers, C. E., Jahnke, R. A., and McCorkle, D. C.: Carbon fluxes and burial rates over the continental slope and rise off central California with implications for the global carbon cycle. Glob. Biogeochem. Cy., 6, 199-224, 1992.
88. Ryan, J. P., Ueki, I., Chao, Y., Zhang, H., Polito, P. S., and Chavez, F. P.: Western Pacific modulation of large phytoplankton blooms in the central and eastern equatorial Pacific, J. Geophys. Res., 111, G02013, doi:10.1029/2005JG000084, 2006.
89. Sarmiento, J. L. and Gruber, N.: Ocean Biogeochemical Dynamics, Princeton University Press, Princeton, 2006.
90. Scholz, F., Hensen, C., Noffke, A., Rohde, A., Liebetrau, V., and Wallmann, K.: Early diagenesis of redox-sensitive trace metals in the Peru upwelling area - response to ENSO-related oxygen fluctuations in the water column, Geochim. Cosmochim. Acta, 75, 7257-7276, 2011.
91. Schönfeld, J., Kuhnt, W., Erdem, Z., Flögel, S., Glock, N., Aquit, M., Frank, M., and Holbourn, A.: Records of past mid-depth ventilation: Cretaceous ocean anoxic event 2 vs. Recent oxygen minimum zones, Biogeosciences, 12, 1169-1189, doi:10.5194/bg- 12-1169-2015, 2015.
92. Seiter, K., Hensen, C., Schröter, J., and Zabel, M.: Organic carbon content in surface sediments - defining regional provinces, Deep Sea Res. Pt. I, 51, 2001-2026, 2004.
93. Sellanes, J., Quiroga, E., Neira, C., and Gutiérrez, D.: 2007. Changes of macrobenthos composition under different ENSO cycle conditions on the continental shelf off central Chile, Cont. Shelf Res., 27, 1002-1016, 2007.
94. Shchepetkin, A. F. and J. C. McWilliams.: A method for computing horizontal pressure-gradient force in an oceanic model with a nonaligned vertical coordinate, J. Geophys. Res., 108, 3090, doi:10.1029/2001JC001047, 2003.
95. Smith, C. R., Pope, R. H., De Master, D. J., and Magaard, L.: Agedependent mixing of deep-sea sediments. Geochim. Cosmochim. Acta, 57, 1473-1488, 1993.
96. Sommer, S., Türk, M., Kriwanek, S., and Pfannkuche, O.: Gas exchange system for extended in situ benthic chamber flux measurements under controlled oxygen conditions: First application - Sea bed methane emission measurements at Captain Arutyunov mud volcano, Limnol. Oceanogr. Meth., 6, 23-33, 2008.
97. Sommer, S., Dengler, M., and Treude, T.: Benthic element cycling, fluxes and transport of solutes across the benthic boundary layer in the Peruvian oxygen minimum zone, (SFB 754) - Cruise No. M92-5 January-3 February 2013 - Callao (Peru) - Callao (Peru), METEOR-Berichte M92, 55 pp., DFGSenatskommission für Ozeanographie, doi:10.2312/cr-m92, 2014.
98. Suess, E.: Particulate organic carbon flux in the oceans - surface productivity and oxygen utilization, Nature, 288, 260-263, 1980.
99. Suess, E.: Phosphate regeneration from sediments of the Peru continental margin by dissolution of fish debris, Geochim. Cosmochim. Acta, 45, 577-588, 1981.
100. Suess, E., Kulm, L. D., and Killingley, J. S.: Coastal upwelling and a history of organic-rich mudstone deposition off Peru, in: Marine Petroleum Source Rocks, edited by: Brooks, J. and Fleet, A. J., Geol. Soc. Spec. Pub. 26, 181-197, 1987.
101. Suntharalingam, P., Sarmiento, J. L., and Toggweiler, J. R., Global significance of nitrous-oxide production and transport from oceanic low-oxygen zones: A modelling study, Glob. Biogeochem. Cy., 14, 1353-1370, 2000.
102. Suntharalingam, P., Buitenhuis, E., Le Quere, C., Dentener, F., Nevinson, C., Butler, L., Bange, H., and Forster, G.: Quantifying the impact of anthropogenic nitrogen deposition on oceanic nitrous oxide, Geophys. Res. Lett., 39, L07605, doi:10.1029/2011GL050778, 2012.
103. Tarazona, J., Salzwedel, H., and Arntz, W.: Positive effects of "El Níno" on macrozoobenthos inhabiting hypoxic areas of the Peruvian upwelling system, Oecologia, 76, 184-190, 1988.
104. Tengberg, A., Halle P. O. J., Andersson, P., Lindén, B., Styrenius, O., Boland, G., de Bovee, F., Carlsson, B., Ceradini, S., Devol, A., Duineveld, G., Friemann, J. U., Glud, R. N., Khripounoff, A., Leather, J., Linke, P., Lund-Hansen, L., Rowe, G., Santschi, P., de Wilde, P., and Witte, U.: Intercalibration of benthic flux chambers II. Hydrodynamic characterization and flux comparisons of 14 different designs, Mar. Chem., 94, 147-173, 2005.
105. Van Mooy, B. A. S., Keil, R. G., and Devol, A. H.: Impact of suboxia on sinking particulate organic carbon: Enhanced carbon flux and preferential degradation of amino acids via denitrification, Geochim. Cosmochim. Acta, 66, 457-465, 2002.
106. Vandewiele, S., Cowie, G., Soetaert, K., and Middelburg, J. J.: Amino acid biogeochemistry and organic matter degradation state across the Pakistan margin oxygen minimum zone, Deep Sea Res. Pt. II, 56, 318-334, 2009.
107. Wallmann, K. and Aloisi, G.: The Global Carbon Cycle: Geological Processes, in: Fundamentals of Geobiology, edietd by: Knoll, A. H., Canfield, D. E., and Konhauser., K. O., Blackwell Publishing Ltd., 20-35, 2012.
108. Walsh, J. J.: A carbon budget for overfishing off Peru, Nature, 290, 300-304, 1981.
109. Westrich, J. T. and Berner, R. A.: The role of sedimentary organic matter in bacterial sulfate reduction: the G-model tested, Limnol. Oceanogr., 29, 236-249, 1984.
110. 231Pa, Deep-Sea Res. Pt. I, 48, 865-889, 2001.
111. 2 in Seawater: Equilibrium, Kinetics, Isotopes, Elsevier Oceanography Series, Amsterdam, 2001.
112. Zonneveld, K. A. F., Versteegh, G. J. M., Kasten, S., Eglinton, T. I., Emeis, K.-C., Huguet, C., Koch, B. P., de Lange, G. J., de Leeuw, J. W., Middelburg, J. J., Mollenhauer, G., Prahl, F. G., Rethemeyer, J., and Wakeham, S. G.: Selective preservation of organic matter in marine environments; processes and impact on the sedimentary record, Biogeosciences, 7, 483-511, doi:10.5194/bg-7-483-2010, 2010.