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Volumn 9, Issue 7, 2012, Pages 2673-2682

Role of sediment denitrification in water column oxygen dynamics: Comparison of the North American East and West Coasts

Author keywords

[No Author keywords available]

Indexed keywords

ANOXIC CONDITIONS; ANTHROPOGENIC EFFECT; BIOAVAILABILITY; BIOGEOCHEMICAL CYCLE; BOTTOM WATER; COASTAL CURRENT; COASTAL ZONE; CONCENTRATION (COMPOSITION); CONTINENTAL SHELF; DENITRIFICATION; EASTERN BOUNDARY CURRENT; MARINE ECOSYSTEM; NUMERICAL MODEL; NUTRIENT AVAILABILITY; OXYGEN; PRIMARY PRODUCTION; SEAFLOOR; SEDIMENT CHEMISTRY; UPWELLING; WATER COLUMN; WESTERN BOUNDARY CURRENT;

EID: 84864273266     PISSN: 17264170     EISSN: 17264189     Source Type: Journal    
DOI: 10.5194/bg-9-2673-2012     Document Type: Article
Times cited : (8)

References (53)
  • 2
    • 79960492795 scopus 로고    scopus 로고
    • Low oxygen and high inorganic carbon on the vancouver island shelf
    • doi:10.1029/2010JC006720
    • Bianucci, L., Denman, K. L., and Ianson, D.: Low oxygen and high inorganic carbon on the Vancouver Island Shelf, J. Geophys. Res., 116, C07011, doi:10.1029/2010JC006720, 2011.
    • (2011) J. Geophys. Res. , vol.116
    • Bianucci, L.1    Denman, K.L.2    Ianson, D.3
  • 3
    • 0000567059 scopus 로고
    • Lagrangian current measurements within the eastern margin of a warm-core gulf stream ring
    • Bisagni, J. J.: Lagrangian Current Measurements within the Eastern Margin of a Warm-Core Gulf Stream Ring, J. Phys. Oceanogr., 13, 709-715, 1983.
    • (1983) J. Phys. Oceanogr. , vol.13 , pp. 709-715
    • Bisagni, J.J.1
  • 5
    • 0000023192 scopus 로고
    • On the origin of shelfwater in the middle atlantic bight
    • Chapman, D. C. and Beardsley, R. C.: On the Origin of ShelfWater in the Middle Atlantic Bight, J. Phys. Oceanogr., 19, 384-391, 1989.
    • (1989) J. Phys. Oceanogr. , vol.19 , pp. 384-391
    • Chapman, D.C.1    Beardsley, R.C.2
  • 6
    • 0026006486 scopus 로고
    • Direct measurement of nitrogen gas fluxes from continental shelf sediments
    • Devol, A. H.: Direct measurement of nitrogen gas fluxes from continental shelf sediments, Nature, 349, 319-321, doi:10.1038/349319a0, 1991. (Pubitemid 21912071)
    • (1991) Nature , vol.349 , Issue.6307 , pp. 319-321
    • Devol, A.H.1
  • 7
    • 81755164125 scopus 로고
    • Uptake of new and regenerated forms of nitrogen in primary productivity
    • Dugdale, R. C. and Goering, J. J.: Uptake of new and regenerated forms of nitrogen in primary productivity, Limnol. Oceanogr., 12, 196-206, 1967.
    • (1967) Limnol. Oceanogr. , vol.12 , pp. 196-206
    • Dugdale, R.C.1    Goering, J.J.2
  • 8
    • 0000817001 scopus 로고
    • Summer nutrient dynamics in the middle atlantic bight: Primary production and utilization of phytoplankton carbon
    • doi:10.1093/plankt/5.4.515
    • Falkowski, P., Vidal, J., Hopkins, T., Rowe, G., Whitledge, T., and Harrison, W.: Summer nutrient dynamics in the Middle Atlantic Bight: primary production and utilization of phytoplankton carbon, J. Plankton Res., 5, 515-537, doi:10.1093/plankt/5.4.515, 1983.
    • (1983) J. Plankton Res. , vol.5 , pp. 515-537
    • Falkowski, P.1    Vidal, J.2    Hopkins, T.3    Rowe, G.4    Whitledge, T.5    Harrison, W.6
  • 10
    • 77953259260 scopus 로고    scopus 로고
    • The role of continental shelves in nitrogen and carbon cycling: Northwestern north atlantic case study
    • doi:10.5194/os-6-539-2010
    • Fennel, K.: The role of continental shelves in nitrogen and carbon cycling: Northwestern North Atlantic case study, Ocean Sci., 6, 539-548, doi:10.5194/os-6-539-2010, 2010.
    • (2010) Ocean Sci. , vol.6 , pp. 539-548
    • Fennel, K.1
  • 11
    • 33845505630 scopus 로고    scopus 로고
    • Nitrogen cycling in the Middle Atlantic Bight: Results from a three-dimensional model and implications for the North Atlantic nitrogen budget
    • DOI 10.1029/2005GB002456
    • Fennel, K., Wilkin, J., Levin, J., Moisan, J., O'Reilly, J., and Haidvogel, D.: Nitrogen cycling in the Middle Atlantic Bight: results from a three-dimensional model and implications for the North Atlantic nitrogen budget, Global Biogeochem. Cy., 20, GB3007, doi:10.1029/2005GB002456, 2006. (Pubitemid 46761026)
    • (2006) Global Biogeochemical Cycles , vol.20 , Issue.3
    • Fennel, K.1    Wilkin, J.2    Levin, J.3    Moisan, J.4    O'Reilly, J.5    Haidvogel, D.6
  • 12
    • 61349203937 scopus 로고    scopus 로고
    • Denitrification effects on air-sea co2 flux in the coastal ocean: Simulations for the northwest north atlantic
    • doi:10.1029/2008GL036147
    • Fennel, K., Wilkin, J., Previdi, M., and Najjar, R.: Denitrification effects on air-sea CO2 flux in the coastal ocean: Simulations for the northwest North Atlantic, Geophys. Res. Lett., 35, L24608, doi:10.1029/2008GL036147, 2008.
    • (2008) Geophys. Res. Lett. , vol.35
    • Fennel, K.1    Wilkin, J.2    Previdi, M.3    Najjar, R.4
  • 14
    • 0000744809 scopus 로고
    • On the nature, occurrence and origin of cold low salinity water along the edge of the gulf stream
    • Ford, W., Longard, J., and Banks, R.: On the nature, occurrence and origin of cold low salinity water along the edge of the Gulf Stream, J. Mar. Res., 11, 281-293, 1952.
    • (1952) J. Mar. Res. , vol.11 , pp. 281-293
    • Ford, W.1    Longard, J.2    Banks, R.3
  • 15
    • 0020207274 scopus 로고
    • Topographically controlled upwelling center off southern vancouver island
    • Freeland, H. and Denman, K.: A topographically controlled upwelling center off southern Vancouver Island, J. Mar. Res., 40, 1069-1093, 1982. (Pubitemid 13493066)
    • (1982) Journal of Marine Research , vol.40 , Issue.4 , pp. 1069-1093
    • Freeland Howard, J.1    Denman Kenneth, L.2
  • 16
    • 0027100003 scopus 로고
    • Oxygen solubility in seawater: Better fitting equations
    • Garćia, H. E. and Gordon, L. I.: Oxygen Solubility in Seawater: Better Fitting Equations, Limnol. Oceanogr., 37, 1307-1312, 1992.
    • (1992) Limnol. Oceanogr. , vol.37 , pp. 1307-1312
    • Garćia, H.E.1    Gordon, L.I.2
  • 19
    • 71749119342 scopus 로고    scopus 로고
    • Nutrient and phytoplankton dynamics off the west coast of vancouver island during the 1997/98 enso event
    • doi:10.1016/j.dsr2.2009.02.009
    • Harris, S. L., Varela, D. E., Whitney, F. W., and Harrison, P. J.: Nutrient and phytoplankton dynamics off the west coast of Vancouver Island during the 1997/98 ENSO event, Deep-Sea Res. II, 56, 2487-2502, doi:10.1016/j.dsr2.2009.02.009, 2009.
    • (2009) Deep-Sea Res. II , vol.56 , pp. 2487-2502
    • Harris, S.L.1    Varela, D.E.2    Whitney, F.W.3    Harrison, P.J.4
  • 20
    • 0000816996 scopus 로고
    • Summer nutrient dynamics of the middle atlantic bight: Nitrogen uptake and regeneration
    • doi:10.1093/plankt/5.4.539
    • Harrison, W., Douglas, D., Falkowski, P., Rowe, G., and Vidal, J.: Summer nutrient dynamics of the Middle Atlantic Bight: nitrogen uptake and regeneration, J. Plankton Res., 5, 539-556, doi:10.1093/plankt/5.4.539, 1983.
    • (1983) J. Plankton Res. , vol.5 , pp. 539-556
    • Harrison, W.1    Douglas, D.2    Falkowski, P.3    Rowe, G.4    Vidal, J.5
  • 21
    • 70949096994 scopus 로고    scopus 로고
    • Why is the northern end of the california current system so productive?
    • Hickey, B. M. and Banas, N. S.: Why is the Northern end of the California Current System so productive?, Oceanography, 21, 91-107, 2008.
    • (2008) Oceanography , vol.21 , pp. 91-107
    • Hickey, B.M.1    Banas, N.S.2
  • 22
    • 0026295711 scopus 로고
    • Community metabolism and nutrient cycling at gray's reef, a hard bottom habitat in the georgia bight
    • Hopkinson, C. S., J., Fallon, R. D., Jansson, B.-O., and Schubauer, J. P.: Community metabolism and nutrient cycling at Gray's Reef, a hard bottom habitat in the Georgia Bight, Mar Ecol. Prog. Ser, 73, 105-120, 1991.
    • (1991) Mar Ecol. Prog. Ser , vol.73 , pp. 105-120
    • Hopkinson, C.S.J.1    Fallon, R.D.2    Jansson, B.-O.3    Schubauer, J.P.4
  • 23
    • 18544381736 scopus 로고    scopus 로고
    • A two-dimensional nitrogen and carbon flux model in a coastal upwelling region
    • doi:10.1029/2001GB001451
    • Ianson, D. and Allen, S. E.: A two-dimensional nitrogen and carbon flux model in a coastal upwelling region, Global Biogeochem. Cy., 16, 1011, doi:10.1029/2001GB001451, 2002.
    • (2002) Global Biogeochem. Cy. , vol.16 , pp. 1011
    • Ianson, D.1    Allen, S.E.2
  • 25
    • 0019999242 scopus 로고
    • Mineralization of organic matter in the sea bed-The role of sulphate reduction
    • doi:10.1038/296643a0
    • Jørgensen, B. B.: Mineralization of organic matter in the sea bed-The role of sulphate reduction, Nature, 296, 643-645, doi:10.1038/296643a0, 1982.
    • (1982) Nature , vol.296 , pp. 643-645
    • Jørgensen, B.B.1
  • 27
    • 73449113899 scopus 로고    scopus 로고
    • Temporal responses of coastal hypoxia to nutrient loading and physical controls
    • doi:10.5194/bg-6-2985-2009
    • Kemp, W. M., Testa, J. M., Conley, D. J., Gilbert, D., and Hagy, J. D.: Temporal responses of coastal hypoxia to nutrient loading and physical controls, Biogeosciences, 6, 2985-3008, doi:10.5194/bg-6-2985-2009, 2009.
    • (2009) Biogeosciences , vol.6 , pp. 2985-3008
    • Kemp, W.M.1    Testa, J.M.2    Conley, D.J.3    Gilbert, D.4    Hagy, J.D.5
  • 28
    • 0036269747 scopus 로고    scopus 로고
    • The role of denitrification in nitrogen removal and carbon mineralization in Mid-Atlantic Bight sediments
    • DOI 10.1016/S0278-4343(02)00008-0, PII S0278434302000080
    • Laursen, A. E. and Seitzinger, S. P.: The role of denitrification in nitrogen removal and carbon mineralization in Mid-Atlantic Bight sediments, Cont. Shelf Res., 22, 1397-1416, doi:10.1016/S0278-4343(02)00008-0, 2002. (Pubitemid 34623139)
    • (2002) Continental Shelf Research , vol.22 , Issue.9 , pp. 1397-1416
    • Laursen, A.E.1    Seitzinger, S.P.2
  • 29
    • 0026000120 scopus 로고
    • Photosynthetic quotients, new production and net community production in the open ocean
    • doi:10.1016/0198-0149(91)90059-O
    • Laws, E. A.: Photosynthetic quotients, new production and net community production in the open ocean, Deep-Sea Res. A, 38, 143-167, doi:10.1016/0198- 0149(91)90059-O, 1991.
    • (1991) Deep-Sea Res. A , vol.38 , pp. 143-167
    • Laws, E.A.1
  • 30
    • 0001590693 scopus 로고
    • Least squares multiple tracer analysis ofwater mass composition
    • doi:10.1029/JC092iC03p02907
    • Mackas, D. L., Denman, K. L., and Bennett, A. F.: Least Squares Multiple Tracer Analysis ofWater Mass Composition, J. Geophys. Res., 92, 2907-2918, doi:10.1029/JC092iC03p02907, 1987.
    • (1987) J. Geophys. Res. , vol.92 , pp. 2907-2918
    • Mackas, D.L.1    Denman, K.L.2    Bennett, A.F.3
  • 31
    • 0024783277 scopus 로고
    • Organic matter decomposition pathways and oxygen consumption in coastal marine sediments
    • doi:10.1357/002224089785076154
    • Mackin, J. E. and Swider, K. T.: Organic matter decomposition pathways and oxygen consumption in coastal marine sediments, J. Mar. Res., 47, 681-716, doi:10.1357/002224089785076154, 1989.
    • (1989) J. Mar. Res. , vol.47 , pp. 681-716
    • Mackin, J.E.1    Swider, K.T.2
  • 32
    • 69249094622 scopus 로고    scopus 로고
    • Coastal hypoxia and sediment biogeochemistry
    • doi:10.5194/bg-6-1273-2009
    • Middelburg, J. J. and Levin, L. A.: Coastal hypoxia and sediment biogeochemistry, Biogeosciences, 6, 1273-1293, doi:10.5194/bg-6-1273-2009, 2009.
    • (2009) Biogeosciences , vol.6 , pp. 1273-1293
    • Middelburg, J.J.1    Levin, L.A.2
  • 33
    • 17444384308 scopus 로고    scopus 로고
    • The role of sediments in shelf ecosystem dynamics
    • edited by: Robinson, A. R., McCarthy, J., and Rothschild, B. J., chap. 11, Harvard University Press
    • Middelburg, J. J. and Soetaert, K.: The role of sediments in shelf ecosystem dynamics, in: The sea: ideas and observations on progress in the study of the seas, edited by: Robinson, A. R., McCarthy, J., and Rothschild, B. J., vol. 13, chap. 11, 353-374, Harvard University Press, 2005.
    • (2005) The sea: ideas and observations on progress in the study of the seas , vol.13 , pp. 353-374
    • Middelburg, J.J.1    Soetaert, K.2
  • 34
    • 0000554847 scopus 로고
    • The volume of shelfwater in the middle atlantic bight: Seasonal and interannual variability 1977-1987
    • doi:10.1016/0278-4343(91)90068-H
    • Mountain, D. G.: The volume of ShelfWater in the Middle Atlantic Bight: seasonal and interannual variability, 1977-1987, Cont. Shelf Res., 11, 251-267, doi:10.1016/0278-4343(91)90068-H, 1991.
    • (1991) Cont. Shelf Res , vol.11 , pp. 251-267
    • Mountain, D.G.1
  • 36
    • 35348924212 scopus 로고    scopus 로고
    • Seasonal and interannual variability in phytoplankton and nutrient dynamics along Line P in the NE subarctic Pacific
    • DOI 10.1016/j.pocean.2007.08.009, PII S0079661107001528, Time Series of the Northeast Pacific
    • Pena, M. A. and Varela, D. E.: Seasonal and interannual variability in phytoplankton and nutrient dynamics along Line P in the NE subarctic Pacific, Prog. Oceanogr., 75, 200-222, doi:10.1016/j.pocean.2007.08.009, 2007. (Pubitemid 47592864)
    • (2007) Progress in Oceanography , vol.75 , Issue.2 , pp. 200-222
    • Pena, M.A.1    Varela, D.E.2
  • 37
    • 77949393748 scopus 로고    scopus 로고
    • Modeling dissolved oxygen dynamics and hypoxia
    • doi:10.5194/bg-7-933-2010
    • Pẽna, M. A., Katsev, S., Oguz, T., and Gilbert, D.: Modeling dissolved oxygen dynamics and hypoxia, Biogeosciences, 7, 933-957, doi:10.5194/bg-7-933-2010, 2010.
    • (2010) Biogeosciences , vol.7 , pp. 933-957
    • Pena, M.A.1    Katsev, S.2    Oguz, T.3    Gilbert, D.4
  • 38
    • 0021877538 scopus 로고
    • The deep flow through the northeast channel, gulf of maine
    • Ramp, S. R., Schlitz, R. J., and Wright, W. R.: The Deep Flow through the Northeast Channel, Gulf of Maine, J. Phys. Oceanogr., 15, 1790-1808, 1985.
    • (1985) J. Phys. Oceanogr. , vol.15 , pp. 1790-1808
    • Ramp, S.R.1    Schlitz, R.J.2    Wright, W.R.3
  • 39
    • 0003037496 scopus 로고
    • The influence of organisms on the composition of seawater
    • edited by: Hill, M. N., The Composition of Seawater, Wiley, New York
    • Redfield, A. C., Ketchum, B. H., and Richards, F. A.: The influence of organisms on the composition of seawater, in: The Sea: Ideas and Observations on Progress in the Study of the Seas, edited by: Hill, M. N., vol. 2. The Composition of Seawater, Wiley, New York, 26-77, 1963.
    • (1963) The Sea: Ideas and Observations on Progress in the Study of the Seas , vol.2 , pp. 26-77
    • Redfield, A.C.1    Ketchum, B.H.2    Richards, F.A.3
  • 40
    • 79251512062 scopus 로고    scopus 로고
    • Sedimentary phosphorus dynamics and the evolution of bottom-water hypoxia: A coupled benthic-pelagic model of a coastal system
    • Reed, D., Slomp, C., and Gustafsson, B.: Sedimentary phosphorus dynamics and the evolution of bottom-water hypoxia: A coupled benthic-pelagic model of a coastal system, Limnol. Oceanogr., 56, 1075-1092, 2011.
    • (2011) Limnol. Oceanogr. , vol.56 , pp. 1075-1092
    • Reed, D.1    Slomp, C.2    Gustafsson, B.3
  • 41
    • 0024190240 scopus 로고
    • Denitrification in freshwater and coastal marine ecosystems: Ecological and geochemical significance
    • Seitzinger, S.: Denitrification in freshwater and coastal marine ecosystems: Ecological and geochemical significance, Limnol. Oceanogr., 33, 702-724, 1988.
    • (1988) Limnol. Oceanogr. , vol.33 , pp. 702-724
    • Seitzinger, S.1
  • 42
    • 0030302161 scopus 로고    scopus 로고
    • Estimating denitrification in north atlantic continental shelf sediments
    • doi:10.1007/BF02179829
    • Seitzinger, S. and Giblin, A.: Estimating denitrification in North Atlantic continental shelf sediments, Biogeochem., 35, 235-260, doi:10.1007/BF02179829, 1996.
    • (1996) Biogeochem. , vol.35 , pp. 235-260
    • Seitzinger, S.1    Giblin, A.2
  • 43
    • 0000585460 scopus 로고
    • The mean and seasonal circulation off southwest nova scotia
    • Smith, P. C.: The Mean and Seasonal Circulation off Southwest Nova Scotia, J. Phys. Oceanogr., 13, 1034-1054, 1983.
    • (1983) J. Phys. Oceanogr. , vol.13 , pp. 1034-1054
    • Smith, P.C.1
  • 44
    • 67349197139 scopus 로고    scopus 로고
    • Modeling eutrophication and oligotrophication of shallow-water marine systems: The importance of sediments under stratified and well-mixed conditions
    • doi:10.1007/s10750-009-9777-x
    • Soetaert, K. and Middelburg, J.: Modeling eutrophication and oligotrophication of shallow-water marine systems: The importance of sediments under stratified and well-mixed conditions, Hydrobiologia, 629, 239-254, doi:10.1007/s10750-009-9777-x, 2009.
    • (2009) Hydrobiologia , vol.629 , pp. 239-254
    • Soetaert, K.1    Middelburg, J.2
  • 45
    • 0001271872 scopus 로고
    • A comparison of oxygen, nitrate, and sulfate respiration in coastal marine sediments
    • Sørensen, J., Jørgensen, B. B., and Revsbech, N. P.: A comparison of oxygen, nitrate, and sulfate respiration in coastal marine sediments, Microbial Ecology, 5, 105-115, 1979.
    • (1979) Microbial Ecology , vol.5 , pp. 105-115
    • Sørensen, J.1    Jørgensen, B.B.2    Revsbech, N.P.3
  • 46
    • 0001478957 scopus 로고
    • Large-scale structure of the spring transition in the coastal ocean off western north america
    • doi:10.1029/JC092iC02p01527
    • Strub, P. T., Allen, J. S., Huyer, A., and Smith, R. L.: Large-Scale Structure of the Spring Transition in the Coastal Ocean off Western North America, J. Geophys. Res., 92, 1527-1544, doi:10.1029/JC092iC02p01527, 1987a.
    • (1987) J. Geophys. Res. , vol.92 , pp. 1527-1544
    • Strub, P.T.1    Allen, J.S.2    Huyer, A.3    Smith, R.L.4
  • 47
    • 84956690335 scopus 로고
    • Seasonal cycles of currents, temperatures, winds, and sea level over the northeast pacific continental shelf: 35°N to 48°N
    • doi:10.1029/JC092iC02p01507
    • Strub, P. T., Allen, J. S., Huyer, A., Smith, R. L., and Beardsley, R. C.: Seasonal Cycles of Currents, Temperatures, Winds, and Sea Level Over the Northeast Pacific Continental Shelf: 35°N to 48°N, J. Geophys. Res., 92, 1507-1526, doi:10.1029/JC092iC02p01507, 1987b.
    • (1987) J. Geophys. Res. , vol.92 , pp. 1507-1526
    • Strub, P.T.1    Allen, J.S.2    Huyer, A.3    Smith, R.L.4    Beardsley, R.C.5
  • 50
    • 0019392632 scopus 로고
    • Biological export of shelf carbon is a sink of the global co2 cycle
    • Walsh, J. J., Rowe, G. T., Iverson, R. L., and McRoy, C. P.: Biological export of shelf carbon is a sink of the global CO2 cycle, Nature, 291, 196-201, 1981.
    • (1981) Nature , vol.291 , pp. 196-201
    • Walsh, J.J.1    Rowe, G.T.2    Iverson, R.L.3    McRoy, C.P.4
  • 51
    • 0024249945 scopus 로고
    • The 1983-1984 Shelf Edge Exchange Processes (SEEP) - I experiment: Hypotheses and highlights
    • Walsh, J. J., Biscaye, P. E., and Csanady, G. T.: The 1983-1984 shelf edge exchange processes (SEEP)-I experiment: hypotheses and highlights, Cont. Shelf Res., 8, 435-456, doi:10.1016/0278-4343(88)90063-5, 1988. (Pubitemid 19296917)
    • (1988) Continental Shelf Research , vol.8 , Issue.5-7 , pp. 435-456
    • Walsh, J.J.1    Biscaye, P.E.2    Csanady, G.T.3
  • 52
    • 0026446585 scopus 로고
    • Relationship between wind speed and gas exchange over the ocean
    • doi:10.1029/92JC00188
    • Wanninkhof, R.: Relationship Between Wind Speed and Gas Exchange Over the Ocean, J. Geophys. Res., 97, 7373-7382, doi:10.1029/92JC00188, 1992.
    • (1992) J. Geophys. Res. , vol.97 , pp. 7373-7382
    • Wanninkhof, R.1
  • 53
    • 17444427396 scopus 로고    scopus 로고
    • Physical processes that enhance nutrient transport and primary productivity in the coastal and open ocean of the subarctic NE Pacific
    • DOI 10.1016/j.dsr2.2004.12.023, Linkages Between Coastal and Open Ocean Ecosystems
    • Whitney, F., Crawford,W., and Harrison, P.: Physical processes that enhance nutrient transport and primary productivity in the coastal and open ocean of the subarctic NE Pacific, Deep-Sea Res. II, 52, 681-706, doi:10.1016/j.dsr2.2004.12.023, 2005. (Pubitemid 40534514)
    • (2005) Deep-Sea Research Part II: Topical Studies in Oceanography , vol.52 , Issue.5-6 , pp. 681-706
    • Whitney, F.A.1    Crawford, W.R.2    Harrison, P.J.3


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