Articles | Volume 15, issue 8
https://doi.org/10.5194/tc-15-3655-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-15-3655-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
06 Aug 2021
Research article |
| 06 Aug 2021
| 06 Aug 2021
Upstream flow effects revealed in the EastGRIP ice core using Monte Carlo inversion of a two-dimensional ice-flow model
Tamara Annina Gerber
CORRESPONDING AUTHOR
Section for the Physics of Ice, Climate and Earth, Niels Bohr Institute, University of Copenhagen, Copenhagen, Denmark
Christine Schøtt Hvidberg
Section for the Physics of Ice, Climate and Earth, Niels Bohr Institute, University of Copenhagen, Copenhagen, Denmark
Sune Olander Rasmussen
Section for the Physics of Ice, Climate and Earth, Niels Bohr Institute, University of Copenhagen, Copenhagen, Denmark
Steven Franke
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany
Giulia Sinnl
Section for the Physics of Ice, Climate and Earth, Niels Bohr Institute, University of Copenhagen, Copenhagen, Denmark
Aslak Grinsted
Section for the Physics of Ice, Climate and Earth, Niels Bohr Institute, University of Copenhagen, Copenhagen, Denmark
Daniela Jansen
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany
Dorthe Dahl-Jensen
Section for the Physics of Ice, Climate and Earth, Niels Bohr Institute, University of Copenhagen, Copenhagen, Denmark
Centre for Earth Observation Science, University of Manitoba, Winnipeg, Canada
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Cited
16 citations as recorded by crossref.
- Holocene thinning in central Greenland controlled by the Northeast Greenland Ice Stream I. Tabone et al. 10.1038/s41467-024-50772-5
- Ice-core data used for the construction of the Greenland Ice-Core Chronology 2005 and 2021 (GICC05 and GICC21) S. Rasmussen et al. 10.5194/essd-15-3351-2023
- Microstructure, micro-inclusions, and mineralogy along the EGRIP (East Greenland Ice Core Project) ice core – Part 2: Implications for palaeo-mineralogy N. Stoll et al. 10.5194/tc-16-667-2022
- Bridging the Gap Between Experimental and Natural Fabrics: Modeling Ice Stream Fabric Evolution and its Comparison With Ice‐Core Data D. Richards et al. 10.1029/2023JB027245
- Chemical and visual characterisation of EGRIP glacial ice and cloudy bands within N. Stoll et al. 10.5194/tc-17-2021-2023
- SE‐Dome II Ice Core Dating With Half‐Year Precision: Increasing Melting Events From 1799 to 2020 in Southeastern Greenland K. Kawakami et al. 10.1029/2023JD038874
- Melt in the Greenland EastGRIP ice core reveals Holocene warm events J. Westhoff et al. 10.5194/cp-18-1011-2022
- A multi-ice-core, annual-layer-counted Greenland ice-core chronology for the last 3800 years: GICC21 G. Sinnl et al. 10.5194/cp-18-1125-2022
- Review article: Existing and potential evidence for Holocene grounding line retreat and readvance in Antarctica J. Johnson et al. 10.5194/tc-16-1543-2022
- Shifts in Greenland interannual climate variability lead Dansgaard–Oeschger abrupt warming by hundreds of years C. Brashear et al. 10.5194/cp-21-529-2025
- High-resolution aerosol data from the top 3.8 kyr of the East Greenland Ice coring Project (EGRIP) ice core T. Erhardt et al. 10.5194/essd-15-5079-2023
- Potential to recover a record of Holocene climate and sea ice from Müller Ice Cap, Canada D. Lilien et al. 10.1017/jog.2024.75
- Airborne ultra-wideband radar sounding over the shear margins and along flow lines at the onset region of the Northeast Greenland Ice Stream S. Franke et al. 10.5194/essd-14-763-2022
- Arctic mercury flux increased through the Last Glacial Termination with a warming climate D. Segato et al. 10.1038/s41561-023-01172-9
- Three-dimensional topology dataset of folded radar stratigraphy in northern Greenland S. Franke et al. 10.1038/s41597-023-02339-0
- Anisotropic scattering in radio-echo sounding: insights from northeast Greenland T. Gerber et al. 10.5194/tc-19-1955-2025
16 citations as recorded by crossref.
- Holocene thinning in central Greenland controlled by the Northeast Greenland Ice Stream I. Tabone et al. 10.1038/s41467-024-50772-5
- Ice-core data used for the construction of the Greenland Ice-Core Chronology 2005 and 2021 (GICC05 and GICC21) S. Rasmussen et al. 10.5194/essd-15-3351-2023
- Microstructure, micro-inclusions, and mineralogy along the EGRIP (East Greenland Ice Core Project) ice core – Part 2: Implications for palaeo-mineralogy N. Stoll et al. 10.5194/tc-16-667-2022
- Bridging the Gap Between Experimental and Natural Fabrics: Modeling Ice Stream Fabric Evolution and its Comparison With Ice‐Core Data D. Richards et al. 10.1029/2023JB027245
- Chemical and visual characterisation of EGRIP glacial ice and cloudy bands within N. Stoll et al. 10.5194/tc-17-2021-2023
- SE‐Dome II Ice Core Dating With Half‐Year Precision: Increasing Melting Events From 1799 to 2020 in Southeastern Greenland K. Kawakami et al. 10.1029/2023JD038874
- Melt in the Greenland EastGRIP ice core reveals Holocene warm events J. Westhoff et al. 10.5194/cp-18-1011-2022
- A multi-ice-core, annual-layer-counted Greenland ice-core chronology for the last 3800 years: GICC21 G. Sinnl et al. 10.5194/cp-18-1125-2022
- Review article: Existing and potential evidence for Holocene grounding line retreat and readvance in Antarctica J. Johnson et al. 10.5194/tc-16-1543-2022
- Shifts in Greenland interannual climate variability lead Dansgaard–Oeschger abrupt warming by hundreds of years C. Brashear et al. 10.5194/cp-21-529-2025
- High-resolution aerosol data from the top 3.8 kyr of the East Greenland Ice coring Project (EGRIP) ice core T. Erhardt et al. 10.5194/essd-15-5079-2023
- Potential to recover a record of Holocene climate and sea ice from Müller Ice Cap, Canada D. Lilien et al. 10.1017/jog.2024.75
- Airborne ultra-wideband radar sounding over the shear margins and along flow lines at the onset region of the Northeast Greenland Ice Stream S. Franke et al. 10.5194/essd-14-763-2022
- Arctic mercury flux increased through the Last Glacial Termination with a warming climate D. Segato et al. 10.1038/s41561-023-01172-9
- Three-dimensional topology dataset of folded radar stratigraphy in northern Greenland S. Franke et al. 10.1038/s41597-023-02339-0
- Anisotropic scattering in radio-echo sounding: insights from northeast Greenland T. Gerber et al. 10.5194/tc-19-1955-2025
Discussed (final revised paper)
Latest update: 13 Jul 2025
Short summary
We simulate the ice flow in the onset region of the Northeast Greenland Ice Stream to determine the source area and past accumulation rates of ice found in the EastGRIP ice core. This information is required to correct for bias in ice-core records introduced by the upstream flow effects. Our results reveal that the increasing accumulation rate with increasing upstream distance is predominantly responsible for the constant annual layer thicknesses observed in the upper 900 m of the ice core.
We simulate the ice flow in the onset region of the Northeast Greenland Ice Stream to determine...
