Alice Barthel
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View article: Simulated and Observed Transport Estimates Across the Overturning in the Subpolar North Atlantic Program (OSNAP) Section
Simulated and Observed Transport Estimates Across the Overturning in the Subpolar North Atlantic Program (OSNAP) Section Open
A comparison of simulated and observed overturning transports and related properties across the Overturning in the Subpolar North Atlantic Program (OSNAP) sections for the 2014–2022 period is presented, considering both depth and density s…
View article: The Ocean Model for E3SM Global Applications: Omega Version 0.1.0. A New High-Performance Computing Code for Exascale Architectures
The Ocean Model for E3SM Global Applications: Omega Version 0.1.0. A New High-Performance Computing Code for Exascale Architectures Open
Here we introduce Omega, the Ocean Model for E3SM Global Applications. Omega is a new ocean model designed to run efficiently on high performance computing (HPC) platforms, including exascale heterogeneous architectures with accelerators, …
View article: The DOE E3SM v2.1 Cryosphere configuration: Antarctic ice-shelf basal melt projections through 2100
The DOE E3SM v2.1 Cryosphere configuration: Antarctic ice-shelf basal melt projections through 2100 Open
View article: The Energy Exascale Earth System Model version 3. Part II: Overview of the coupled system
The Energy Exascale Earth System Model version 3. Part II: Overview of the coupled system Open
View article: Subpolar North Atlantic water mass transformation and overturning in eddying and non-eddying simulations
Subpolar North Atlantic water mass transformation and overturning in eddying and non-eddying simulations Open
View article: The DOE E3SM version 2.1: overview and assessment of the impacts of parameterized ocean submesoscales
The DOE E3SM version 2.1: overview and assessment of the impacts of parameterized ocean submesoscales Open
The U.S. Department of Energy's Energy Exascale Earth System Model (E3SM) version 2.1 builds on E3SMv2 with several changes, with the most notable being the addition of the Fox-Kemper et al. (2011) mixed-layer eddy parameterization. This p…
View article: The DOE E3SM Version 2.1: Overview and Assessment of the Impacts of Parameterized Ocean Submesoscales
The DOE E3SM Version 2.1: Overview and Assessment of the Impacts of Parameterized Ocean Submesoscales Open
The U.S. Department of Energy's Energy Exascale Earth System Model (E3SM) version 2.1 builds on E3SMv2 with several changes, the most notable being the addition of the Fox-Kemper et al. (2011) mixed layer eddy parameterization. This parame…
View article: Ice-shelf freshwater triggers for the Filchner–Ronne Ice Shelf melt tipping point in a global ocean–sea-ice model
Ice-shelf freshwater triggers for the Filchner–Ronne Ice Shelf melt tipping point in a global ocean–sea-ice model Open
Some ocean modeling studies have identified a potential tipping point from a low to a high basal melt regime beneath the Filchner–Ronne Ice Shelf (FRIS), Antarctica, with significant implications for subsequent Antarctic ice sheet mass los…
View article: Ice-shelf freshwater triggers for the Filchner–Ronne Ice Shelf melt tipping point in a global ocean–sea-ice model
Ice-shelf freshwater triggers for the Filchner–Ronne Ice Shelf melt tipping point in a global ocean–sea-ice model Open
Some ocean modeling studies have identified a potential tipping point from a low to a high basal melt regime beneath the Filchner–Ronne Ice Shelf (FRIS), Antarctica, with significant implications for subsequent Antarctic ice sheet mass los…
View article: SSP3-7.0 projections of Antarctic sub-ice-shelf melting with the Energy Exascale Earth System Model
SSP3-7.0 projections of Antarctic sub-ice-shelf melting with the Energy Exascale Earth System Model Open
To date, few Earth System Models (ESMs) have the ability to simulate the flow in the ocean cavities below Antarctic ice shelves and its influence on basal melting. Yet capturing both this flow and the resulting melt patterns is criti…
View article: ISMIP6 Antarctic Ocean Forcing
ISMIP6 Antarctic Ocean Forcing Open
View article: Comment on egusphere-2023-2226
Comment on egusphere-2023-2226 Open
Abstract. Some ocean modeling studies have identified a potential tipping point from a low to high basal melt regime beneath the Filchner-Ronne Ice Shelf (FRIS), Antarctica, with significant implications for subsequent Ant…
View article: Insights into the vulnerability of Antarctic glaciers from the ISMIP6 ice sheet model ensemble and associated uncertainty
Insights into the vulnerability of Antarctic glaciers from the ISMIP6 ice sheet model ensemble and associated uncertainty Open
The Antarctic Ice Sheet represents the largest source of uncertainty in future sea level rise projections, with a contribution to sea level by 2100 ranging from −5 to 43 cm of sea level equivalent under high carbon emission scenarios estim…
View article: Comment on egusphere-2023-2226
Comment on egusphere-2023-2226 Open
Abstract. Some ocean modeling studies have identified a potential tipping point from a low to high basal melt regime beneath the Filchner-Ronne Ice Shelf (FRIS), Antarctica, with significant implications for subsequent Ant…
View article: Ice-shelf freshwater triggers for the Filchner-Ronne Ice Shelf melt tipping point in a global ocean model
Ice-shelf freshwater triggers for the Filchner-Ronne Ice Shelf melt tipping point in a global ocean model Open
Some ocean modeling studies have identified a potential tipping point from a low to high basal melt regime beneath the Filchner-Ronne Ice Shelf (FRIS), Antarctica, with significant implications for subsequent Antarctic Ice Sheet mass loss.…
View article: Insights on the vulnerability of Antarctic glaciers from the ISMIP6 ice sheet model ensemble and associated uncertainty
Insights on the vulnerability of Antarctic glaciers from the ISMIP6 ice sheet model ensemble and associated uncertainty Open
The Antarctic Ice Sheet represents the largest source of uncertainty in future sea level rise projections, with a contribution to sea level by 2100 ranging from -5 to 43 cm of sea level equivalent under high carbon emission scenarios estim…
View article: Antarctic ice-shelf basal melting in a variable resolution Earth System Model
Antarctic ice-shelf basal melting in a variable resolution Earth System Model Open
<p>The processes that govern freshwater flux from the Antarctic Ice Sheet (AIS)—ice-shelf basal melting and iceberg calving—are generally poorly represented in current Earth System Models (ESMs). The processes gov…
View article: Baroclinic Control of Southern Ocean Eddy Upwelling Near Topography
Baroclinic Control of Southern Ocean Eddy Upwelling Near Topography Open
In the Southern Ocean, mesoscale eddies contribute to the upwelling of deep waters along sloping isopycnals, helping to close the upper branch of the meridional overturning circulation. Eddy energy (EE) is not uniformly distributed along t…
View article: Baroclinic control of Southern Ocean eddy upwelling near topography
Baroclinic control of Southern Ocean eddy upwelling near topography Open
In the Southern Ocean, mesoscale eddies contribute to the upwelling of deep waters along sloping isopycnals, helping to close the upper branch of the meridional overturning circulation. Eddy energy is not uniformly distributed along the An…
View article: Dataset associated with paper "Baroclinic control of Southern Ocean eddy upwelling near topography" (GRL2021)
Dataset associated with paper "Baroclinic control of Southern Ocean eddy upwelling near topography" (GRL2021) Open
This dataset contains results from idealized 2-layer simulations investigating eddy-driven isopycnal cross-jet transport near topography due to an ACC-type jet impinging on an isolated piece of topography. It includes variables such as Edd…
View article: Dataset associated with paper "Baroclinic control of Southern Ocean eddy upwelling near topography" (GRL2021)
Dataset associated with paper "Baroclinic control of Southern Ocean eddy upwelling near topography" (GRL2021) Open
This dataset contains results from idealized 2-layer simulations investigating eddy-driven isopycnal cross-jet transport near topography due to an ACC-type jet impinging on an isolated piece of topography. It includes variables such as Edd…
View article: High-resolution Southern Ocean heat transport modeling to better quantify uncertainties in future Antarctic melt [Slides]
High-resolution Southern Ocean heat transport modeling to better quantify uncertainties in future Antarctic melt [Slides] Open
the Community Ice Sheet Model version 2.1. The emulator is trained to a large (500-member) ensemble of 200-year-long 4 km resolution transient ice sheet simulations, whereby regional basal melt rates are perturbed by idealized (yet physica…
View article: Projected land ice contributions to twenty-first-century sea level rise
Projected land ice contributions to twenty-first-century sea level rise Open
View article: Future Sea Level Change Under Coupled Model Intercomparison Project Phase 5 and Phase 6 Scenarios From the Greenland and Antarctic Ice Sheets
Future Sea Level Change Under Coupled Model Intercomparison Project Phase 5 and Phase 6 Scenarios From the Greenland and Antarctic Ice Sheets Open
Projections of the sea level contribution from the Greenland and Antarctic ice sheets (GrIS and AIS) rely on atmospheric and oceanic drivers obtained from climate models. The Earth System Models participating in the Coupled Model Intercomp…
View article: Results of ISMIP6 CMIP6 forced simulations: a multi-model ensemble of the Greenland and Antarctic ice sheet evolution over the 21st century
Results of ISMIP6 CMIP6 forced simulations: a multi-model ensemble of the Greenland and Antarctic ice sheet evolution over the 21st century Open
This archive provides the ice sheet model outputs produced as part of the publication "Payne et al. 2021 Future sea level change under CMIP5 and CMIP6 scenarios from the Greenland and Antarctic ice sheets", published in GRL Contact: Tony P…
View article: Results of ISMIP6 CMIP6 forced simulations: a multi-model ensemble of the Greenland and Antarctic ice sheet evolution over the 21st century
Results of ISMIP6 CMIP6 forced simulations: a multi-model ensemble of the Greenland and Antarctic ice sheet evolution over the 21st century Open
This archive provides the ice sheet model outputs produced as part of the publication "Payne et al. 2021 Future sea level change under CMIP5 and CMIP6 scenarios from the Greenland and Antarctic ice sheets", published in GRL Contact: Tony P…
View article: A clustering-based approach to ocean model–data comparison around Antarctica
A clustering-based approach to ocean model–data comparison around Antarctica Open
The Antarctic Continental Shelf seas (ACSS) are a critical, rapidly changing element of the Earth system. Analyses of global-scale general circulation model (GCM) simulations, including those available through the Coupled Model Intercompar…
View article: Introduction to Earth System Modeling [PowerPoint]
Introduction to Earth System Modeling [PowerPoint] Open
The presentation is an introduction to earth system modeling, including motivation, tools, and challenges.
View article: The future sea-level contribution of the Greenland ice sheet: a multi-model ensemble study of ISMIP6
The future sea-level contribution of the Greenland ice sheet: a multi-model ensemble study of ISMIP6 Open
The Greenland ice sheet is one of the largest contributors to global mean sea-level rise today and is expected to continue to lose mass as the Arctic continues to warm. The two predominant mass loss mechanisms are increased surface meltwat…
View article: Results of ISMIP6 Antarctica: a multi-model ensemble of the Antarctic ice sheet evolution over the 21st century
Results of ISMIP6 Antarctica: a multi-model ensemble of the Antarctic ice sheet evolution over the 21st century Open
This archive provides the ice sheet model outputs produced as part of the publication "ISMIP6 Antarctica: a multi-model ensemble of the Antarctic ice sheet evolution over the 21st century", published in The Cryosphere, https://tc.copernicu…