Outputs (73)

The late Quaternary glacial depositional environment at Filey Bay, eastern England: Accretionary mechanisms for thick sequences of tills and stratified diamictons (2024)
Journal Article
Evans, D. J., Roberts, D. H., & Phillips, E. (2024). The late Quaternary glacial depositional environment at Filey Bay, eastern England: Accretionary mechanisms for thick sequences of tills and stratified diamictons. Proceedings of the Geologists' Association, https://doi.org/10.1016/j.pgeola.2024.01.003

Construction of the Holderness/Flamborough Head moraine belt on the East Yorkshire coast, England, records the oscillatory onshore flow of the North Sea Lobe of the British-Irish Ice Sheet from ~25.8 to ~19.7 ka BP, during which time a thick sequence... Read More about The late Quaternary glacial depositional environment at Filey Bay, eastern England: Accretionary mechanisms for thick sequences of tills and stratified diamictons.

Past glaciation of temperate‐continental mountains: A model for a debris‐charged plateau icefield/cirque glacier landsystem in the Southern Carpathians, Romania (2023)
Journal Article
Balaban, C., Roberts, D., Evans, D., & Jamieson, S. (2024). Past glaciation of temperate‐continental mountains: A model for a debris‐charged plateau icefield/cirque glacier landsystem in the Southern Carpathians, Romania. Earth Surface Processes and Landforms, 49(2), 601-621. https://doi.org/10.1002/esp.5723

Reconstructing the extent, style, timing and drivers of past mountain glaciation is crucial in both understanding past atmospheric circulation and predicting future climate change. Unlike in high‐elevation mountains situated in maritime and continent... Read More about Past glaciation of temperate‐continental mountains: A model for a debris‐charged plateau icefield/cirque glacier landsystem in the Southern Carpathians, Romania.

Direct measurement of warm Atlantic Intermediate Water close to the grounding line of Nioghalvfjerdsfjorden (79° N) Glacier, northeast Greenland (2023)
Journal Article
Bentley, M. J., Smith, J. A., Jamieson, S. S., Lindeman, M. R., Rea, B. R., Humbert, A., …Roberts, D. H. (2023). Direct measurement of warm Atlantic Intermediate Water close to the grounding line of Nioghalvfjerdsfjorden (79° N) Glacier, northeast Greenland. The Cryosphere, 17(5), 1821-1837. https://doi.org/10.5194/tc-17-1821-2023

The Northeast Greenland Ice Stream has recently seen significant change to its floating margins and has been identified as vulnerable to future climate warming. Inflow of warm Atlantic Intermediate Water (AIW) from the continental shelf has been obse... Read More about Direct measurement of warm Atlantic Intermediate Water close to the grounding line of Nioghalvfjerdsfjorden (79° N) Glacier, northeast Greenland.

Ice-ocean interactions at the Northeast Greenland Ice stream (NEGIS) over the past 11,000 years (2023)
Journal Article
Lloyd, J., Ribeiro, S., Weckström, K., Callard, L., Ó Cofaigh, C., Leng, M., …Roberts, D. (2023). Ice-ocean interactions at the Northeast Greenland Ice stream (NEGIS) over the past 11,000 years. Quaternary Science Reviews, 308, Article 108068. https://doi.org/10.1016/j.quascirev.2023.108068

Recent observations have identified increased mass loss from Greenland marine-terminating outlet glaciers (MTOG) with implications for global sea-level rise and wider ocean circulation. The flow of Atlantic-sourced waters to the Greenland margin is t... Read More about Ice-ocean interactions at the Northeast Greenland Ice stream (NEGIS) over the past 11,000 years.

Holocene history of the 79° N ice shelf reconstructed from epishelf lake and uplifted glaciomarine sediments (2023)
Journal Article
Smith, J. A., Callard, L., Bentley, M. J., Jamieson, S. S., Sánchez-Montes, M. L., Lane, T. P., …Roberts, D. H. (2023). Holocene history of the 79° N ice shelf reconstructed from epishelf lake and uplifted glaciomarine sediments. The Cryosphere, 17(3), https://doi.org/10.5194/tc-17-1247-2023

Nioghalvfjerdsbrae, or 79◦ N Glacier, is the largest marine-terminating glacier draining the Northeast Greenland Ice Stream (NEGIS). In recent years, its ∼ 70 km long fringing ice shelf (hereafter referred to as the 79◦ N ice shelf) has thinned, and... Read More about Holocene history of the 79° N ice shelf reconstructed from epishelf lake and uplifted glaciomarine sediments.

Characteristics and formation of bedrock mega-grooves (BMGs) in glaciated terrain: 1 - morphometric analyses (2023)
Journal Article
Newton, M., Stokes, C. R., Roberts, D. H., & Evans, D. J. (2023). Characteristics and formation of bedrock mega-grooves (BMGs) in glaciated terrain: 1 - morphometric analyses. Geomorphology, 427, https://doi.org/10.1016/j.geomorph.2023.108619

Bedrock mega-grooves (BMGs) are subglacial landforms of erosion that occur in glaciated terrain in various geological and (palaeo)glaciological settings. Despite a significant literature on BMGs, no systematic morphometric analysis of these landforms... Read More about Characteristics and formation of bedrock mega-grooves (BMGs) in glaciated terrain: 1 - morphometric analyses.

Characteristics and formation of bedrock mega-grooves (BMGs) in glaciated terrain: 2 – conceptual models of BMG initiation (2023)
Journal Article
Evans, D. J., Newton, M., Roberts, D. H., & Stokes, C. R. (2023). Characteristics and formation of bedrock mega-grooves (BMGs) in glaciated terrain: 2 – conceptual models of BMG initiation. Geomorphology, 427, https://doi.org/10.1016/j.geomorph.2023.108620

Understanding BMG formation equates to being able to explain their initiation as well as their subsequent evolution. Several scenarios of bedrock mega-groove (BMG) initiation are proposed here, which attempt to explain how such parallel fluted terrai... Read More about Characteristics and formation of bedrock mega-grooves (BMGs) in glaciated terrain: 2 – conceptual models of BMG initiation.

The geomorphological record of an ice stream to ice shelf transition in Northeast Greenland (2023)
Journal Article
Lane, T., Darvill, C., Rea, B., Bentley, M., Smith, J., Jamieson, S., …Roberts, D. (2023). The geomorphological record of an ice stream to ice shelf transition in Northeast Greenland. Earth Surface Processes and Landforms, 48(7), 1321-1341. https://doi.org/10.1002/esp.5552

Understanding ice stream dynamics over decadal to millennial timescales is crucial for improving numerical model projections of ice sheet behaviour and future ice loss. In marine-terminating settings, ice shelves play a critical role in controlling i... Read More about The geomorphological record of an ice stream to ice shelf transition in Northeast Greenland.

Growth and retreat of the last British–Irish Ice Sheet, 31 000 to 15 000 years ago: the BRITICE‐CHRONO reconstruction (2022)
Journal Article
Clark, C. D., Ely, J. C., Hindmarsh, R. C., Bradley, S., Ignéczi, A., Fabel, D., …Wilson, P. (2022). Growth and retreat of the last British–Irish Ice Sheet, 31 000 to 15 000 years ago: the BRITICE‐CHRONO reconstruction. Boreas: An International Journal of Quaternary Research, 51(4), 699-758. https://doi.org/10.1111/bor.12594

The BRITICE-CHRONO consortium of researchers undertook a dating programme to constrain the timing of advance, maximum extent and retreat of the British–Irish Ice Sheet between 31 000 and 15 000 years before present. The dating campaign across Ireland... Read More about Growth and retreat of the last British–Irish Ice Sheet, 31 000 to 15 000 years ago: the BRITICE‐CHRONO reconstruction.

The historical emergence of a geometric and sinuous ridge network at the Hørbyebreen polythermal glacier snout, Svalbard and its use in the interpretation of ancient glacial landforms (2022)
Journal Article
Evans, D. J., Ewertowski, M., Roberts, D. H., & Tomczyk, A. M. (2022). The historical emergence of a geometric and sinuous ridge network at the Hørbyebreen polythermal glacier snout, Svalbard and its use in the interpretation of ancient glacial landforms. Geomorphology, 406, Article 108213. https://doi.org/10.1016/j.geomorph.2022.108213

The post Little Ice Age recession and downwasting of Hørbyebreen, a Svalbard polythermal glacier, has revealed a sub-polar glacial landsystem within which a geometric and sinuous ridge network (GSRN) has evolved by ice melt-out. Spatio-temporal evolu... Read More about The historical emergence of a geometric and sinuous ridge network at the Hørbyebreen polythermal glacier snout, Svalbard and its use in the interpretation of ancient glacial landforms.