Drill-site selection for cosmogenic-nuclide exposure dating of the bed of the Greenland Ice Sheet

Abstract < ∼  3.4 % of the Greenland Ice Sheet bed as a suitable drilling target using presently available technology. Additional factors related to scientific questions of interest are the following: which areas of the present ice sheet are the most sensitive to warming, where would a retreating ice sheet expose bare ground rather than leave a remnant ice cap, and which areas are most likely to remain frozen bedded throughout glacial cycles and thus best preserve cosmogenic nuclides? Here we identify locations beneath the Greenland Ice Sheet that are best suited for potential future drilling and analysis. These include sites bordering Inglefield Land in northwestern Greenland, near Victoria Fjord and Mylius-Erichsen Land in northern Greenland, and inland from the alpine topography along the ice margin in eastern and northeastern Greenland. Results from cosmogenic-nuclide analysis in new sub-ice bedrock cores from these areas would help to constrain dimensions of the Greenland Ice Sheet in the past.

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• Location: Deutsche Nationalbibliothek Frankfurt am Main
• Extent: Online-Ressource
• Language: Englisch

References and Relationships

• Bibliographic citation: Drill-site selection for cosmogenic-nuclide exposure dating of the bed of the Greenland Ice Sheet ; volume:16 ; number:10 ; year:2022 ; pages:3933-3948 ; extent:16 ; The Cryosphere ; 16, Heft 10 (2022), 3933-3948 (gesamt 16)

Contributors, Places and Time

• Creator: Briner, Jason P. ; Walcott, Caleb K. ; Schaefer, Joerg M. ; Young, Nicolás E. ; MacGregor, Joseph A. ; Poinar, Kristin ; Keisling, Benjamin A. ; Anandakrishnan, Sridhar ; Albert, Mary R. ; Kuhl, Tanner ; Boeckmann, Grant

Further information

• DOI: 10.5194/tc-16-3933-2022
• URN: urn:nbn:de:101:1-2022100605151118440095
• Rights: Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.