Helle Astrid Kjær

Assistant professor

University of Copenhagen

Denmark

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Helle Astrid Kjær is an Assistant Professor at the University of Copenhagen, Denmark. Her research focuses on paleoclimatology, glaciology, and environmental science, with recent studies exploring the impacts of abrupt climate changes on ice core data and aerosols. She has contributed significantly to understanding spatial fingerprints of Dansgaard–Oeschger events and the dynamics of ice flow in Greenland and Antarctica.

Articles (14)

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2024

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2024

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2023

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2023

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2023

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2022

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2022

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2022

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2022

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2022

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2022

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2022

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2022

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2022

Collaborators (21)

Nicholas Rathmann

Københavns Universitet Niels Bohr Instituttet

DENMARK

Helle Astrid Kjær

Research Interests

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Articles (14)

An annually resolved chronology for the Mount Brown South ice cores, East Antarctica

The Greenland spatial fingerprint of Dansgaard–Oeschger events in observations and models

Antarctic evidence for an abrupt northward shift of the Southern Hemisphere westerlies at 32 ka BP

Arctic mercury flux increased through the Last Glacial Termination with a warming climate

High-resolution aerosol data from the top 3.8 kyr of the East Greenland Ice coring Project (EGRIP) ice core

Accelerating ice flow at the onset of the Northeast Greenland Ice Stream

Magnitude, frequency and climate forcing of global volcanism during the last glacial period as seen in Greenland and Antarctic ice cores (60-9 ka)

Climate changes modulated the history of Arctic iodine during the Last Glacial Cycle

Canadian forest fires, Icelandic volcanoes and increased local dust observed in six shallow Greenland firn cores

Canadian forest fires, Icelandic volcanoes and increased local dust observed in six shallow Greenland firn cores

Sea ice fluctuations in the Baffin Bay and the Labrador Sea during glacial abrupt climate changes

Accelerating ice flow at the onset of the Northeast Greenland Ice Stream

Editorial: Impure Snow and Ice in Remote Areas: Arctic, Antarctica and High Mountains

High-resolution aerosol concentration data from the Greenland NorthGRIP and NEEM deep ice cores

Collaborators (21)

Nicholas Rathmann

Christine S. Hvidberg

Andrea Spolaor

Eliza Cook

TYLER JONES

Melanie Behrens

Vincent Favier

Federico Scoto

David Lilien

Dorthe Dahl-Jensen

Thomas Blunier

Anders Svensson

Feiyue Wang

Nanna B. Karlsson

Richard Levy

Nerilie Abram

Jorgen Peder Steffensen

Bo Vinther

Vasileios Gkinis

Jiamei Lin

Carlo Barbante

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