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See detailEvaluation of ocean model ventilation with CFC-11: comparison of 13 global ocean models
Dutay, J.-C.; Bullister, J. L.; Doney, S. C. et al

in Ocean Modelling (2002), 4(2), 89-120

We compared the 13 models participating in the Ocean Carbon Model Intercomparison Project (OCMIP) with regards to their skill in matching observed distributions of CFC-11. This analysis characterizes the ... [more ▼]

We compared the 13 models participating in the Ocean Carbon Model Intercomparison Project (OCMIP) with regards to their skill in matching observed distributions of CFC-11. This analysis characterizes the abilities of these models to ventilate the ocean on timescales relevant for anthropogenic CO2 uptake. We found a large range in the modeled global inventory (+/- 30\%), mainly due to differences in ventilation from the high latitudes. In the Southern Ocean, models differ particularly in the longitudinal distribution of the CFC uptake in the intermediate water, whereas the latitudinal distribution is mainly controlled by the subgrid-scale parameterization. Models with isopycnal diffusion and eddy-induced velocity parameterization produce more realistic intermediate water ventilation. Deep and bottom water ventilation also varies substantially between the models. Models coupled to a sea-ice model systematically provide more realistic AABW formation source region; however these same models also largely overestimate AABW ventilation if no specific parameterization of brine rejection during sea-ice formation is included. In the North Pacific Ocean, all models exhibit a systematic large underestimation of the CFC uptake in the thermocline of the subtropical gyre, while no systematic difference toward the observations is found in the subpolar gyre. In the North Atlantic Ocean, the CFC uptake is globally underestimated in subsurface. In the deep ocean, all but the adjoint model, failed to produce the two recently ventilated branches observed in the North Atlantic Deep Water (NADW). Furthermore, simulated transport in the Deep Western Boundary Current (DWBC) is too sluggish in all but the isopycnal model, where it is too rapid. (C) 2002 Elsevier Science Ltd. All rights reserved. [less ▲]

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See detailTransient behaviour of water ages in the World Ocean
Deleersnijder, Eric; Mouchet, Anne ULg; Delhez, Eric ULg et al

in Mathematical & Computer Modelling (2002), 36(1-2), 121-127

The transient behaviour of the age of the water and that of the surface water is studied in the World Ocean. At any time and position, the age of the water, the age and the concentration of the surface ... [more ▼]

The transient behaviour of the age of the water and that of the surface water is studied in the World Ocean. At any time and position, the age of the water, the age and the concentration of the surface water are seen to obey a simple algebraic relation. The latter is illustrated by means of results of a three-dimensional World Ocean model and the analytical solution of an idealised, purely-diffusive, one-dimensional problem. (C) 2002 Elsevier Science Ltd. All rights reserved. [less ▲]

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See detailThe age, a tool for understanding complex fluid flows
Deleersnijder, E.; Beckers, Jean-Marie ULg; Campin, J.-M. et al

Conference (2000, May)

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See detailUsing natural radiocarbon to assess the effects of numerics on biological tracers
Campin, J.-M.; Mouchet, Anne ULg

Conference (1999, July)

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See detailCoupled modelling of global ocean circulation and carbon cycle
Mouchet, Anne ULg

Conference (1999, May)

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See detailGlobal distributions of upper ocean CO2 and O2
Monfray, P.; Orr, J.; Stoens, A. et al

Conference (1999)

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See detailA discussion of methods for estimating residual fluxes in strong tidal estuaries
Regnier, P.; Mouchet, Anne ULg; Wollast, R. et al

in Continental Shelf Research (1998), 18

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See detailComparison of carbon cycles at LGM and Holocene
Mouchet, Anne ULg; Maier-Reimer, E.; Winguth, A.

Conference (1997, September)

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See detailOn the estimation of estuarine contaminant fluxes
Regnier, P.; Mouchet, Anne ULg; Ronday, François ULg et al

in ICES proceedings of the Scientific Symposium on the 1993 North Sea Quality Status Report (1996)

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See detailCoupled modelling of the global chemical-climatic changes due to human activities
Gérard, Jean-Claude ULg; François, Louis ULg; Delire, C. et al

in Proceedings of the global change symposium (1993)

Detailed reference viewed: 23 (9 ULg)
See detailA METHODOLOGY FOR THE CALCULATION OF POLLUTANT LOADS IN AN ESTUARY - APPLICATION TO THE WESTERN ESCAUT ESTUARY
Ronday, François ULg; Mouchet, Anne ULg

in Nival, P; Saliot, A (Eds.) FATE OF CHEMICAL POLLUTANTS (1992)

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