References of "Mouchet, Anne"
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See detailAtlantic-Pacific seesaw and its role in outgassing CO2 during Heinrich events
Menviel, L.; England, M.H.; Meissner, K.J. et al

in Paleoceanography (2014), 29

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See detailThe ocean bomb radiocarbon inventory revisited
Mouchet, Anne ULg

in Radiocarbon (2013), 55(2-3), 1580-1594

Large discrepancies exist among data-based estimates and model reconstructions of the ocean bomb radiocarbon inventory. In order to resolve this gap, it has been proposed that the CO2 piston veloc- ity ... [more ▼]

Large discrepancies exist among data-based estimates and model reconstructions of the ocean bomb radiocarbon inventory. In order to resolve this gap, it has been proposed that the CO2 piston veloc- ity should be revised downward (Sweeney et al., 2007; Müller et al., 2008). Here we compare the transient 14C distributions in the ocean obtained with different formulations of the isotopic ratio commonly used in modeling studies. It is found that both the CO2 increase and the air-sea CO2 flux significantly contribute to the 1990 ocean bomb radiocarbon inventory, by around 10% each. Moreover, these two processes explain more than 25% of the inventory difference be- tween 1974 and 1990. These results imply that, as already argued by Naegler (2009), inventories based on observations which lack infor- mation about CO2 invasion are underestimated. Further, this work allows to gain insight into the reasons for discrepancies among model results. It suggests that while a comprehensive isotopic formulation is needed when addressing the global radiocarbon cycle, a simplified form is more relevant for model calibration and piston velocity assess- ment based on currently available bomb radiocarbon inventories. [less ▲]

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See detailVariability in North Pacific intermediate and deep water ventilation during Heinrich events in two coupled climate models
Chikamoto, M. O.; Menviel, L.; Abe-Ouchi, A. et al

in Deep-Sea Research Part II, Topical Studies in Oceanography (2012), 61-64

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See detailRemoving the North Pacific halocline: effects on global climate, ocean circulation and the carbon cycle
Menviel, L.; Timmermann, A.; Timm, O. et al

in Deep-Sea Research Part II, Topical Studies in Oceanography (2012), 61-64

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See detailThe leaky funnel model revisited
Mouchet, Anne ULg; Deleersnijder, Eric; Primeau, François

in Tellus : Series A (2012), 64

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See detailASsessment of modelling uncertainties in long-TERm climate and sea level change projections"Aster" : final report
Fichefet, T; Loutre, M.-F.; Goosse, H. et al

Report (2012)

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See detailDetecting regional anthropogenic trends in ocean acidification against natural variability
Friedrich, T.; Timmermann, A.; Abe-Ouchi, A. et al

in Nature Climate Change (2012)

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See detailAssessing the World Ocean ventilation timescales with simple analogs - the leaky funnel model
Mouchet, Anne ULg; Deleersnijder, Eric

Poster (2011, May)

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See detailImpact of climate and carbon sensitivities on the North Pacific ventilation in an Earth system model
Mouchet, Anne ULg; Menviel, Laurie; Goosse, Hugues et al

Conference (2011, May)

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See detailOxygen, a tool for assessing ocean tracer transport models
Mouchet, Anne ULg; Campin, Jean-Michel

Poster (2011, May)

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See detailA 3D model of ocean biogeochemical cycles and climate sensitivity studies
Mouchet, Anne ULg

Doctoral thesis (2011)

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See detailDeconstructing the Last Glacial Termination: the role of millennial and orbital-scale forcings
Menviel, L.; Timmermann, A.; Timm, O. et al

in Quaternary Science Reviews (2011), 30

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See detailEvaluating climate model performance with various parameter sets using observations over the recent past
Loutre, M.-F.; Mouchet, Anne ULg; Fichefet, T. et al

in Climate of the Past (2011), 7

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See detailThe effect of topography-enhanced diapycnal mixing on ocean and atmospheric circulation and marine biogeochemistry
Friedrich, T.; Timmermann, A.; Decloedt, T. et al

in Ocean Modelling (2011), 3-4

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See detailImpact of Greenland and Antarctic ice sheet interactions on climate sensitivity
Goelzer, H.; Huybrechts, P.; Loutre, M.-F. et al

in Climate Dynamics (2011), 37(5-6), 1005-1018

We use the Earth system model of intermediate complexity LOVECLIM to show the effect of coupling interactive ice sheets on the climate sensitivity of the model on a millennial time scale. We compare the ... [more ▼]

We use the Earth system model of intermediate complexity LOVECLIM to show the effect of coupling interactive ice sheets on the climate sensitivity of the model on a millennial time scale. We compare the response to a 2xCO2 warming scenario between fully coupled model versions including interactive Greenland and Antarctic ice sheet models and model versions with fixed ice sheets. For this purpose an ensemble of different parameter sets have been defined for LOVECLIM, covering a wide range of the model's sensitivity to greenhouse warming, while still simulating the present-day climate and the climate evolution over the last millennium within observational uncertainties. Additional freshwater fluxes from the melting ice sheets have a mitigating effect on the model's temperature response, leading to generally lower climate sensitivities of the fully coupled model versions. The mitigation is effectuated by changes in heat exchange within the ocean and at the sea-air interface, driven by freshening of the surface ocean and amplified by sea-ice-related feedbacks. The strength of the effect depends on the response of the ice sheets to the warming and on the model's climate sensitivity itself. With the ensemble approach in this study we cover a wide range of possible model responses. [less ▲]

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See detailAssessment of modelling uncertainties in long-term climate projections: the ASTER project
Loutre, M. F.; Mouchet, Anne ULg; Fichefet, T. et al

Conference (2010, October)

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See detailEarth and sea-level change projections with the Earth system model of intermediate complexity LOVECLIM
Goelzer, H.; Huybrechts, P.; Loutre, M. F. et al

Conference (2010, May)

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See detailLe réchauffement climatique est réel et l’Homme en est le principal responsable
Deleersnijder, E.; Bard, E.; Crucifix, M. et al

Article for general public (2010)

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See detailClimate and biogeochemical response to a rapid melting of the West-Antarctic Ice Sheet during interglacials and implications for future climate
Menviel, L.; Timmermann, A.; Timm, O. et al

in Paleoceanography (2010), 25

Detailed reference viewed: 12 (3 ULg)