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Helle Astrid Kjær
Helle Astrid Kjær
Centre for ice and climate (CIC), Physics of Ice, Climate and Earth (PICE), Niels Bohr Institute
Verified email at fys.ku.dk
Title
Cited by
Cited by
Year
Eemian interglacial reconstructed from a Greenland folded ice core
Nature 493 (7433), 489-494, 2013
3552013
Organic phosphorus in the terrestrial environment: a perspective on the state of the art and future priorities
TS George, CD Giles, D Menezes-Blackburn, LM Condron, ...
Plant and Soil 427, 191-208, 2018
2002018
Nanoplastics measurements in Northern and Southern polar ice
D Materić, HA Kjær, P Vallelonga, JL Tison, T Röckmann, R Holzinger
Environmental research 208, 112741, 2022
1172022
Past perspectives on the present era of abrupt Arctic climate change
E Jansen, JH Christensen, T Dokken, KH Nisancioglu, BM Vinther, ...
Nature Climate Change 10 (8), 714-721, 2020
1082020
Rapid increase in atmospheric iodine levels in the North Atlantic since the mid-20th century
CA Cuevas, N Maffezzoli, JP Corella, A Spolaor, P Vallelonga, HA Kjær, ...
Nature communications 9 (1), 1452, 2018
1022018
The summer 2012 Greenland heat wave: In situ and remote sensing observations of water vapor isotopic composition during an atmospheric river event
JL Bonne, HC Steen‐Larsen, C Risi, M Werner, H Sodemann, JL Lacour, ...
Journal of Geophysical Research: Atmospheres 120 (7), 2970-2989, 2015
942015
Greenland records of aerosol source and atmospheric lifetime changes from the Eemian to the Holocene
S Schüpbach, H Fischer, M Bigler, T Erhardt, G Gfeller, D Leuenberger, ...
Nature communications 9 (1), 1476, 2018
892018
Initial results from geophysical surveys and shallow coring of the Northeast Greenland Ice Stream (NEGIS)
P Vallelonga, K Christianson, RB Alley, S Anandakrishnan, JEM Christian, ...
The Cryosphere 8 (4), 1275-1287, 2014
822014
Greenland 2012 melt event effects on CryoSat‐2 radar altimetry
J Nilsson, P Vallelonga, SB Simonsen, LS Sørensen, R Forsberg, ...
Geophysical Research Letters 42 (10), 3919-3926, 2015
732015
East Greenland ice core dust record reveals timing of Greenland ice sheet advance and retreat
MF Simonsen, G Baccolo, T Blunier, A Borunda, B Delmonte, R Frei, ...
Nature communications 10 (1), 4494, 2019
602019
A 2700-year annual timescale and accumulation history for an ice core from Roosevelt Island, West Antarctica
M Winstrup, P Vallelonga, HA Kjær, TJ Fudge, JE Lee, MH Riis, ...
Climate of the Past 15 (2), 751-779, 2019
572019
The Ross Sea Dipole–temperature, snow accumulation and sea ice variability in the Ross Sea region, Antarctica, over the past 2700 years
NAN Bertler, H Conway, D Dahl-Jensen, DB Emanuelsson, M Winstrup, ...
Climate of the Past 14 (2), 193-214, 2018
562018
Bipolar volcanic synchronization of abrupt climate change in Greenland and Antarctic ice cores during the last glacial period
A Svensson, D Dahl-Jensen, JP Steffensen, T Blunier, SO Rasmussen, ...
Climate of the Past 16 (4), 1565-1580, 2020
542020
Magnitude, frequency and climate forcing of global volcanism during the last glacial period as seen in Greenland and Antarctic ice cores (60–9 ka)
J Lin, A Svensson, CS Hvidberg, J Lohmann, S Kristiansen, ...
Climate of the Past 18 (3), 485-506, 2022
482022
Ice core evidence for a 20th century increase in surface mass balance in coastal Dronning Maud Land, East Antarctica
M Philippe, JL Tison, K Fjøsne, B Hubbard, HA Kjær, J Lenaerts, R Drews, ...
The Cryosphere 10 (5), 2501-2516, 2016
432016
Seasonality of halogen deposition in polar snow and ice
A Spolaor, P Vallelonga, J Gabrieli, T Martma, MP Björkman, E Isaksson, ...
Atmospheric Chemistry and Physics 14 (18), 9613-9622, 2014
362014
A first chronology for the East Greenland Ice-core Project (EGRIP) over the Holocene and last glacial termination
S Mojtabavi, F Wilhelms, E Cook, S Davies, G Sinnl, M Skov Jensen, ...
Copernicus GmbH, 2019
342019
Surface velocity of the Northeast Greenland Ice Stream (NEGIS): assessment of interior velocities derived from satellite data by GPS
CS Hvidberg, A Grinsted, D Dahl-Jensen, SA Khan, A Kusk, JK Andersen, ...
The Cryosphere Discussions 2020, 1-27, 2020
322020
Particle shape accounts for instrumental discrepancy in ice core dust size distributions
MF Simonsen, L Cremonesi, G Baccolo, S Bosch, B Delmonte, T Erhardt, ...
Climate of the Past 14 (5), 601-608, 2018
292018
Greenland records of aerosol source and atmospheric lifetime changes from the Eemian to the Holocene, Nat. Commun., 9, 1476
S Schüpbach, H Fischer, M Bigler, T Erhardt, G Gfeller, D Leuenberger, ...
282018
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