Emerging impact of Greenland meltwater on deepwater formation in the North Atlantic Ocean

Böning, Claus W.; Behrens, Erik; Biastoch, Arne; Getzlaff, Klaus; Bamber, Jonathan

doi:10.1038/ngeo2740

Cited by 264 publications

(330 citation statements)

References 36 publications

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“…In this region, resolution is key to the simulation of the Agulhas retroflection and the shedding of eddies (Banks et al 2007;Biastoch et al 2008). In the North Atlantic, ocean resolution is important for capturing the East Greenland Current, which transports freshwater from both sea ice melt and potential ice sheet melt into the Atlantic (Böning et al 2016). …”

Section: The Global Hydrological Cyclementioning

confidence: 99%

The Benefits of Global High Resolution for Climate Simulation: Process Understanding and the Enabling of Stakeholder Decisions at the Regional Scale

Roberts

Vidale

Senior

et al. 2018

Bulletin of the American Meteorological Society

128

107

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The time scales of the Paris Climate Agreement indicate urgent action is required on climate policies over the next few decades, in order to avoid the worst risks posed by climate change. On these relatively short time scales the combined effect of climate variability and change are both key drivers of extreme events, with decadal time scales also important for infrastructure planning. Hence, in order to assess climate risk on such time scales, we require climate models to be able to represent key aspects of both internally driven climate variability and the response to changing forcings. In this paper we argue that we now have the modeling capability to address these requirements—specifically with global models having horizontal resolutions considerably enhanced from those typically used in previous Intergovernmental Panel on Climate Change (IPCC) and Coupled Model Intercomparison Project (CMIP) exercises. The improved representation of weather and climate processes in such models underpins our enhanced confidence in predictions and projections, as well as providing improved forcing to regional models, which are better able to represent local-scale extremes (such as convective precipitation). We choose the global water cycle as an illustrative example because it is governed by a chain of processes for which there is growing evidence of the benefits of higher resolution. At the same time it comprises key processes involved in many of the expected future climate extremes (e.g., flooding, drought, tropical and midlatitude storms).

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Section: The Global Hydrological Cyclementioning

confidence: 99%

The Benefits of Global High Resolution for Climate Simulation: Process Understanding and the Enabling of Stakeholder Decisions at the Regional Scale

Roberts

Vidale

Senior

et al. 2018

Bulletin of the American Meteorological Society

128

107

View full text Add to dashboard Cite

show abstract

“…Larval trajectories from MG, LS, and RB were modeled with the particletracking routine Ariane [51] based on three-dimensional velocities produced by the North Atlantic OGCM VIKING20 [52] (Supplemental Experimental Procedures; Figures S1 and S2). Lagrangian simulations were performed for $950,000 particles, released from each vent site during the natural spawning period between January and March [53] and passively drifting with the threedimensional time-varying ocean velocities.…”

Section: Larval Dispersal Modelingmentioning

confidence: 99%

Biophysical and Population Genetic Models Predict the Presence of “Phantom” Stepping Stones Connecting Mid-Atlantic Ridge Vent Ecosystems

et al. 2016

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“…For large volumes of water released rapidly (e.g., 200,000 km 3 from the Laurentide Ice Sheet lakes at the end of the last ice age), this is likely a reasonable distribution of the freshwater input. In contrast, while the absolute fresh water flux from Greenland is presently large (>1,000 km 3 yr -1 since 1998; Bamber et al, 2012), the anomaly (i.e., the change in flux) is smaller, and freshwater entering the ocean in coastal waters does not necessarily invade key regions of convection (Böning et al, 2016;Luo et al, 2016). Hydrographic measurements from autonomous Argo floats show an increase in stratification in the Labrador Sea over the 2004-2012 period, with freshening in the top 200 m but salinifying in the 200-1,000 m depth range (Schulze, 2016).…”

Section: Pathways Of Greenland Melt To Convection Regionsmentioning

confidence: 95%

Greenland Melt and the Atlantic Meridional Overturning Circulation

Frajke-Williams

Bamber

Våge³

2016

Oceanog.

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Emerging impact of Greenland meltwater on deepwater formation in the North Atlantic Ocean

Cited by 264 publications

References 36 publications

The Benefits of Global High Resolution for Climate Simulation: Process Understanding and the Enabling of Stakeholder Decisions at the Regional Scale

The Benefits of Global High Resolution for Climate Simulation: Process Understanding and the Enabling of Stakeholder Decisions at the Regional Scale

Biophysical and Population Genetic Models Predict the Presence of “Phantom” Stepping Stones Connecting Mid-Atlantic Ridge Vent Ecosystems

Greenland Melt and the Atlantic Meridional Overturning Circulation

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