The configuration of Northern Hemisphere ice sheets through the Quaternary
Norwegian University of Science and Technology · University of Cambridge · +4 more institutions
Abstract
Our understanding of how global climatic changes are translated into ice-sheet fluctuations and sea-level change is currently limited by a lack of knowledge of the configuration of ice sheets prior to the Last Glacial Maximum (LGM). Here, we compile a synthesis of empirical data and numerical modelling results related to pre-LGM ice sheets to produce new hypotheses regarding their extent in the Northern Hemisphere (NH) at 17 time-slices that span the Quaternary. Our reconstructions illustrate pronounced ice-sheet asymmetry within the last glacial cycle and significant variations in ice-marginal positions between older glacial cycles. We find support for a significant reduction in the extent of the Laurentide…
Citation impact
- FWCI
- 36.44
- Percentile
- 100%
- References
- 71
Authors
9Topics & keywords
- Ice sheet
- Ice-sheet model
- Last Glacial Maximum
- Glacial period
- Quaternary
- Northern Hemisphere
- Geology
- Climatology
- Life below water