A large impact crater beneath Hiawatha Glacier in northwest Greenland

Kurt H. Kjær; Nicolaj K. Larsen; Tobias Binder; Anders A. Bjørk; Olaf Eisen; Mark A. Fahnestock; Svend Funder; Adam A. Garde; Henning Haack; Veit Helm; Michael Houmark-Nielsen; Kristian K. Kjeldsen; Shfaqat A. Khan; Horst Machguth; Iain McDonald; Mathieu Morlighem; Jérémie Mouginot; John D. Paden; Tod E. Waight; Christian Weikusat; Eske Willerslev; Joseph A. MacGregor

doi:10.1126/sciadv.aar8173

Research ArticleGEOLOGY

A large impact crater beneath Hiawatha Glacier in northwest Greenland

Kurt H. Kjær ¹,*,
Nicolaj K. Larsen ¹,²,
Tobias Binder³,
Anders A. Bjørk ¹,⁴,⁵,
Olaf Eisen³,⁶,
Mark A. Fahnestock⁷,
Svend Funder¹,
Adam A. Garde⁸,
Henning Haack⁹,¹⁰,
Veit Helm³,
Michael Houmark-Nielsen¹,
Kristian K. Kjeldsen ¹,⁸,¹¹,
Shfaqat A. Khan ¹²,
Horst Machguth¹³,¹⁴,
Iain McDonald¹⁵,
Mathieu Morlighem⁴,
Jérémie Mouginot⁴,¹⁶,
John D. Paden¹⁷,
Tod E. Waight¹⁸,
Christian Weikusat³,
Eske Willerslev¹,¹⁹,²⁰ and
Joseph A. MacGregor ²¹

¹Centre for GeoGenetics, Natural History Museum, University of Copenhagen, Copenhagen, Denmark.
²Department of Geoscience, Aarhus University, Aarhus, Denmark.
³Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany.
⁴Department of Earth System Science, University of California, Irvine, Irvine, CA, USA.
⁵NASA Jet Propulsion Lab, Pasadena, CA, USA.
⁶Department of Geosciences, University of Bremen, Bremen, Germany.
⁷Geophysical Institute, University of Alaska Fairbanks, Fairbanks, AK, USA.
⁸Geological Survey of Denmark and Greenland, Copenhagen, Denmark.
⁹Maine Mineral and Gem Museum, Bethel, ME, USA.
¹⁰Geobiology and Minerals Section, Natural History Museum, University of Copenhagen, Copenhagen, Denmark.
¹¹Department of Earth Sciences, University of Ottawa, Ottawa, Ontario, Canada.
¹²DTU Space, National Space Institute, Department of Geodesy, Technical University of Denmark, Kongens Lyngby, Denmark.
¹³Department of Geosciences, University of Fribourg, Fribourg, Switzerland.
¹⁴Department of Geography, University of Zurich, Zurich, Switzerland.
¹⁵School of Earth and Ocean Sciences, Cardiff University, Park Place, Cardiff, UK.
¹⁶Université Grenoble Alpes, CNRS, INP, Grenoble, France.
¹⁷Center for Remote Sensing of Ice Sheets, University of Kansas, Lawrence, KS, USA.
¹⁸Department of Geosciences and Natural Resources Management (Geology Section), University of Copenhagen, Copenhagen, Denmark.
¹⁹Department of Zoology, University of Cambridge, Cambridge, UK.
²⁰Wellcome Trust Sanger Institute, Hinxton, Cambridgeshire, UK.
²¹Cryospheric Sciences Lab, NASA Goddard Space Flight Center, Greenbelt, MD, USA.

↵*Corresponding author. Email: kurtk{at}snm.ku.dk

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Science Advances 14 Nov 2018:
Vol. 4, no. 11, eaar8173
DOI: 10.1126/sciadv.aar8173

Kurt H. Kjær

Centre for GeoGenetics, Natural History Museum, University of Copenhagen, Copenhagen, Denmark.

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For correspondence: kurtk@snm.ku.dk

Nicolaj K. Larsen

Centre for GeoGenetics, Natural History Museum, University of Copenhagen, Copenhagen, Denmark.Department of Geoscience, Aarhus University, Aarhus, Denmark.

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Tobias Binder

Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany.

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Anders A. Bjørk

Centre for GeoGenetics, Natural History Museum, University of Copenhagen, Copenhagen, Denmark.Department of Earth System Science, University of California, Irvine, Irvine, CA, USA.NASA Jet Propulsion Lab, Pasadena, CA, USA.

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Olaf Eisen

Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany.Department of Geosciences, University of Bremen, Bremen, Germany.

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Mark A. Fahnestock

Geophysical Institute, University of Alaska Fairbanks, Fairbanks, AK, USA.

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Svend Funder

Centre for GeoGenetics, Natural History Museum, University of Copenhagen, Copenhagen, Denmark.

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Adam A. Garde

Geological Survey of Denmark and Greenland, Copenhagen, Denmark.

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Henning Haack

Maine Mineral and Gem Museum, Bethel, ME, USA.Geobiology and Minerals Section, Natural History Museum, University of Copenhagen, Copenhagen, Denmark.

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Veit Helm

Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany.

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Michael Houmark-Nielsen

Centre for GeoGenetics, Natural History Museum, University of Copenhagen, Copenhagen, Denmark.

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Kristian K. Kjeldsen

Centre for GeoGenetics, Natural History Museum, University of Copenhagen, Copenhagen, Denmark.Geological Survey of Denmark and Greenland, Copenhagen, Denmark.Department of Earth Sciences, University of Ottawa, Ottawa, Ontario, Canada.

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Shfaqat A. Khan

DTU Space, National Space Institute, Department of Geodesy, Technical University of Denmark, Kongens Lyngby, Denmark.

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Horst Machguth

Department of Geosciences, University of Fribourg, Fribourg, Switzerland.Department of Geography, University of Zurich, Zurich, Switzerland.

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Iain McDonald

School of Earth and Ocean Sciences, Cardiff University, Park Place, Cardiff, UK.

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Mathieu Morlighem

Department of Earth System Science, University of California, Irvine, Irvine, CA, USA.

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Jérémie Mouginot

Department of Earth System Science, University of California, Irvine, Irvine, CA, USA.Université Grenoble Alpes, CNRS, INP, Grenoble, France.

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John D. Paden

Center for Remote Sensing of Ice Sheets, University of Kansas, Lawrence, KS, USA.

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Tod E. Waight

Department of Geosciences and Natural Resources Management (Geology Section), University of Copenhagen, Copenhagen, Denmark.

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Christian Weikusat

Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany.

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Eske Willerslev

Centre for GeoGenetics, Natural History Museum, University of Copenhagen, Copenhagen, Denmark.Department of Zoology, University of Cambridge, Cambridge, UK.Wellcome Trust Sanger Institute, Hinxton, Cambridgeshire, UK.

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Joseph A. MacGregor

Cryospheric Sciences Lab, NASA Goddard Space Flight Center, Greenbelt, MD, USA.

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A large impact crater beneath Hiawatha Glacier in northwest Greenland

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