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
D Dahl-Jensen, MR Albert, A Aldahan, N Azuma, D Balslev-Clausen, ...
Nature 493 (7433), 489-494, 2013
2592013
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 (1), 191-208, 2018
932018
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
732015
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
522014
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
482015
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), 1-6, 2018
402018
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), 1-10, 2018
392018
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
332018
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
292014
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), 1-8, 2019
282019
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
232016
Duration of Greenland Stadial 22 and ice-gas Δage from counting of annual layers in Greenland NGRIP ice core
P Vallelonga, G Bertagna, T Blunier, HA Kjær, TJ Popp, SO Rasmussen, ...
Climate of the Past 8 (6), 1839-1847, 2012
192012
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
172020
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
172019
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
162018
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, ...
152018
Determination of 129 I in Arctic snow by a novel analytical approach using IC-ICP-SFMS
Ž Ežerinskis, A Spolaor, T Kirchgeorg, G Cozzi, P Vallelonga, HA Kjaer, ...
Journal of Analytical Atomic Spectrometry 29 (10), 1827-1834, 2014
132014
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
112020
Continuous flow analysis method for determination of dissolved reactive phosphorus in ice cores
HA Kjær, P Vallelonga, A Svensson, MEL Kristensen, C Tibuleac, ...
Environmental science & technology 47 (21), 12325-12332, 2013
112013
A 120 000-year record of sea ice in the North Atlantic?
N Maffezzoli, P Vallelonga, R Edwards, A Saiz-Lopez, C Turetta, HA Kjær, ...
Climate of the Past 15 (6), 2031-2051, 2019
102019
The system can't perform the operation now. Try again later.
Articles 1–20