Daniel Goldberg
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Towards Bedmap Himalayas: a new airborne glacier thickness survey in Khumbu Himal, Nepal Open
Mountain glaciers provide an important service in sustaining river flows for large populations downstream of High Mountain Asia (HMA) but these glaciers are retreating and the future of this water resource is highly uncertain. Glacier thic…
Towards Bedmap Himalayas: a new airborne glacier thickness survey in Khumbu Himal, Nepal Open
Mountain glaciers provide an important service in sustaining river flows for large populations downstream of High Mountain Asia (HMA) but these glaciers are retreating and the future of this water resource is highly uncertain. Glacier thic…
Mapping Ice Stream Sensitivity in the Amundsen Sector to Uncertainty in Ice Velocity Observations Open
Satellite‐derived ice‐velocity products are essential for initializing ice‐sheet models and forecasting ice evolution in a warming climate. Understanding where sea‐level rise (SLR) projections are sensitive to observational errors is key t…
The Open Global Glacier Data Assimilation Framework (AGILE) v0.1 Open
The growing availability of glacier observations poses a challenge for models to integrate this heterogeneous information in a dynamically consistent way. At the same time, estimates of current glacier volume and area remain uncertain, as …
biogeodyn-MITgcmIS (v1): a biogeodynamical tool for exploratory climate modelling Open
Modelling the climate system is challenging when slow-response components, such as the deep ocean, vegetation and ice sheets, must be evolved alongside fast-response ones. This is crucial for investigating, for example, climate tipping ele…
View article: Results of the second Ice Shelf – Ocean Model Intercomparison Project (ISOMIP+)
Results of the second Ice Shelf – Ocean Model Intercomparison Project (ISOMIP+) Open
Ocean-driven basal melting of Antarctic ice shelves plays an important role in the mass loss of the Antarctic Ice Sheet. Ice shelf cavity-resolving ocean models are a valuable tool for understanding ice shelf-ocean interactions and for sim…
Modelling the sensitivity of ice loss to calving front retreat rates in the Amundsen Sea Embayment, West Antarctica Open
Ice-flow modelling studies of the Amundsen Sea Embayment (ASE) in West Antarctica have provided estimates of its future impacts on sea level rise. However, many of these studies have not considered the impacts of calving, a key process in …
The stability regimes of Thwaites and Pine Island Glaciers, West Antarctica. Open
Thwaites and Pine Island glaciers, West Antarctica, are some of the most dynamical areas of the Antarctic Ice sheet and both currently are discharging more ice into the ocean than is replenished through surface snow accumulation. While the…
Modelling the sensitivity of ice loss to calving front retreat in the Amundsen Sea Embayment, West Antarctica Open
Ice-sheet modelling studies of the Amundsen Sea Embayment (ASE) in West Antarctica have provided estimates of its future impacts on sea level rise. However, many of these have not considered the impacts of ice front movement due to calving…
View article: Mapping subglacial Antarctica using satellite observations of the ice surface
Mapping subglacial Antarctica using satellite observations of the ice surface Open
The ice-covered landscape of subglacial Antarctica is a crucial basal boundary condition for understanding the continental response to climate forcing, but is the least well mapped land surface in the inner solar system. Most current maps …
Development of a biogeodynamical tool for exploratory paleoclimate modelling  Open
Exploring the dynamical structure of complex systems like Earth’s climate generally requires run- ning simulations over long time scales and for a wide range of initial conditions [1] following a ‘bio- geodynamical approachR…
Inverting glacier thickness in High Mountain Asia with a deep-learning-based ice flow model Open
Mountain glaciers provide an irreplaceable water resource in High Mountain Asia, with a significant proportion of water input to rivers coming from glacial meltwater. However, the volume of water held in these glaciers and the predicted ev…
Chlorophyll Production in the Amundsen Sea Boosts Heat Flux to Atmosphere and Weakens Heat Flux to Ice Shelves Open
The Amundsen Sea in West Antarctica features rapidly thinning ice shelves, large polynyas, and sizable spring phytoplankton blooms. Although considerable effort has gone into characterizing heat fluxes between the Amundsen Sea, its associa…
The West Antarctic Ice Sheet may not be vulnerable to marine ice cliff instability during the 21st century Open
The collapse of ice shelves could expose tall ice cliffs at ice sheet margins. The marine ice cliff instability (MICI) is a hypothesis that predicts that, if these cliffs are tall enough, ice may fail structurally leading to self-sustained…
Coupled ice–ocean interactions during future retreat of West Antarctic ice streams in the Amundsen Sea sector Open
The Amundsen Sea sector has some of the fastest-thinning ice shelves in Antarctica, caused by high, ocean-driven basal melt rates, which can lead to increased ice streamflow, causing increased sea level rise (SLR) contributions. In this st…
View article: Antarctic subglacial topography mapped from space reveals complex mesoscale landscape dynamics
Antarctic subglacial topography mapped from space reveals complex mesoscale landscape dynamics Open
The landscape shrouded by Antarctica’s ice sheet provides important insights into its history and influences the ice response to climate forcing, yet much of this critical basal boundary remains poorly understood. With ice-penetrating-rada…
Chlorophyll production in the Amundsen Sea boosts heat flux to atmosphere and weakens heat flux to ice shelves Open
The Amundsen Sea in West Antarctica features rapidly thinning ice shelves and large, seasonally recurring polynyas. Within these polynyas, sizable spring phytoplankton blooms occur. Although considerable effort has gone into characterising…
View article: Characterizing Subglacial Hydrology Within the Amery Ice Shelf Catchment Using Numerical Modeling and Satellite Altimetry
Characterizing Subglacial Hydrology Within the Amery Ice Shelf Catchment Using Numerical Modeling and Satellite Altimetry Open
Meltwater forms at the base of the Antarctic Ice Sheet due to geothermal heat flux (GHF) and basal frictional dissipation. Despite the relatively small volume, this water has a profound effect on ice‐sheet dynamics. However, subglacial mel…
Grounding Zone Processes at Thwaites Glacier from ICESat-2 Data and Ice-Ocean Modelling Open
It is now well accepted that ice shelves and grounding zones experience changes in elevation synchronous with ocean tides, atmospheric loading and other processes. Recent studies have demonstrated that tidal pumping at the grounding zone c…
Assessing the Impact of Ice Velocity Observations on Ice Sheet Mass Loss Projections from the Amundsen Sector Open
Ice streams in the Amundsen Sea Embayment (ASE) are some of most rapidly thinning in Antarctica, experiencing ocean-driven grounding-line retreat and increased mass loss. Ice streams in this sector are crucial for maintaining the stability…
A framework for observing and modelling ice-ocean interactions building on a community workshop organised by the Joint Commission on Ice-Ocean Interactions Open
Mass loss from the Antarctic and Greenland Ice Sheets could lead to a rise in global mean sea level of 0.25 m by 2100 and several metres by 2300 if greenhouse gas emissions remain unmitigated. Uncertainties in these estimates are strongly …
The importance of calving in ice sheet models: A sensitivity study of ice front retreat in the Amundsen Sea Embayment Open
Calving is a key process in the dynamics of marine-terminating glaciers with large ice shelves, such as those in West Antarctica. However, this process is currently not included in most predictive models, due to its difficulty to implement…
New insights into the current dynamics of Thwaites and Pine Island Glaciers, West Antarctica. Open
We provide a summary of new insights into the contemporary dynamics of Thwaites and Pine Island Glacier, West Antarctica, obtained through series of recent modelling studies.  By conducting ice-flow modelling studies with three indepe…
Transient calibration of the Amundsen Sea Embayment: a model and methodology comparison Open
It is important that modellers be able to make reasonable projections of ice-sheet loss over the next 50-100 years so that costal planners can make informed decisions. Despite many innovations in modelling and satellite observing, several …
The case for a Framework for UnderStanding Ice-Ocean iNteractions (FUSION) in the Antarctic-Southern Ocean system Open
We are in a period of rapidly accelerating change across the Antarctic continent and Southern Ocean, with land ice loss leading to sea level rise and multiple other climate impacts. The ice-ocean interactions that dominate the current ice …