Works by Christiansen, Bo

Results: 59

The Atlantic Multidecadal Variability in Observations and in a Large Historical Multimodel Ensemble: Forced and Internal Variability.

Published in:

Journal of Climate, 2025, v. 38, n. 12, p. 2761, doi. 10.1175/JCLI-D-24-0310.1

By:

Christiansen, Bo;
Yang, Shuting;
Drews, Annika

Publication type:

Article

Chaos, Quasiperiodicity, and Interannual Variability: Studies of a Stratospheric Vacillation Model.

Published in:

Journal of the Atmospheric Sciences, 2000, v. 57, n. 18, p. 3161, doi. 10.1175/1520-0469(2000)057<3161:CQAIVS>2.0.CO;2

By:

Christiansen, Bo

Publication type:

Article

Stratospheric Vacillations in a General Circulation Model.

Published in:

Journal of the Atmospheric Sciences, 1999, v. 56, n. 12, p. 1858, doi. 10.1175/1520-0469(1999)056<1858:SVIAGC>2.0.CO;2

By:

Christiansen, Bo

Publication type:

Article

Behandling, mens patienten sover.

Published in:

Danish Journal of Nursing / Sygeplejersken, 2015, v. 115, n. 14, p. 10

By:

Jensen, Sara Louise;
Christiansen, Jakob Bo;
Nørgaard, Christine;
Madsen, Ditte Hunskjær

Publication type:

Article

Climatic signatures in early modern European grain harvest yields.

Published in:

Climate of the Past Discussions, 2022, p. 1, doi. 10.5194/cp-2022-88

By:

Ljungqvist, Fredrik Charpentier;
Christiansen, Bo;
Esper, Jan;
Huhtamaa, Heli;
Leijonhufvud, Lotta;
Pfister, Christian;
Seim, Andrea;
Skoglund, Martin Karl;
Thejll, Peter

Publication type:

Article

Trends and annual cycles in soundings of Arctic tropospheric ozone.

Published in:

Atmospheric Chemistry & Physics, 2017, v. 17, n. 15, p. 9347, doi. 10.5194/acp-17-9347-2017

By:

Christiansen, Bo;
Jepsen, Nis;
Kivi, Rigel;
Hansen, Georg;
Larsen, Niels;
Smith Korsholm, Ulrik

Publication type:

Article

Do strong warm ENSO events control the phase of the stratospheric QBO?

Published in:

Geophysical Research Letters, 2016, v. 43, n. 19, p. 10,489, doi. 10.1002/2016GL070751

By:

Christiansen, Bo;
Yang, Shuting;
Madsen, Marianne Sloth

Publication type:

Article

Recent global warming hiatus dominated by low-latitude temperature trends in surface and troposphere data.

Published in:

Geophysical Research Letters, 2015, v. 42, n. 2, p. 510, doi. 10.1002/2014GL062596

By:

Gleisner, Hans;
Thejll, Peter;
Christiansen, Bo;
Nielsen, Johannes K.

Publication type:

Article

Regional variation of climatological cloudburst frequency estimated from historical observations of daily precipitation sums.

Published in:

International Journal of Climatology, 2023, v. 43, n. 16, p. 7761, doi. 10.1002/joc.8291

By:

Schmith, Torben;
Thejll, Peter;
Vejen, Flemming;
Christiansen, Bo

Publication type:

Article

The blessing of dimensionality for the analysis of climate data.

Published in:

Nonlinear Processes in Geophysics Discussions, 2021, p. 1, doi. 10.5194/npg-2021-2

By:

Christiansen, Bo

Publication type:

Article

Strong volcanic-induced climatic shocks on historical Moselle wine production.

Published in:

Climate of the Past, 2025, v. 21, n. 2, p. 327, doi. 10.5194/cp-21-327-2025

By:

Ljungqvist, Fredrik Charpentier;
Christiansen, Bo;
Schneider, Lea;
Thejll, Peter

Publication type:

Article

Climatic signatures in early modern European grain harvest yields.

Published in:

Climate of the Past, 2023, v. 19, n. 12, p. 2463, doi. 10.5194/cp-19-2463-2023

By:

Ljungqvist, Fredrik Charpentier;
Christiansen, Bo;
Esper, Jan;
Huhtamaa, Heli;
Leijonhufvud, Lotta;
Pfister, Christian;
Seim, Andrea;
Skoglund, Martin Karl;
Thejll, Peter

Publication type:

Article

Trends and annual cycles in soundings of Arctic tropospheric ozone.

Published in:

Atmospheric Chemistry & Physics Discussions, 2017, p. 1, doi. 10.5194/acp-2017-327

By:

Christiansen, Bo;
Jepsen, Nis;
Kivi, Rigel;
Hansen, Georg;
Larsen, Niels;
Korsholm, Ulrik S.

Publication type:

Article

Downward propagation and statistical forecast of the near-surface weather.

Published in:

Journal of Geophysical Research. Atmospheres, 2005, v. 110, n. D14, p. n/a, doi. 10.1029/2004JD005431

By:

Christiansen, Bo

Publication type:

Article

Downward propagation from the stratosphere to the troposphere: A comparison of the two hemispheres.

Published in:

Journal of Geophysical Research. Atmospheres, 2003, v. 108, n. D24, p. n/a, doi. 10.1029/2003JD004077

By:

Graversen, Rune G.;
Christiansen, Bo

Publication type:

Article

Downward propagation of zonal mean zonal wind anomalies from the stratosphere to the troposphere: Model and reanalysis.

Published in:

Journal of Geophysical Research. Atmospheres, 2001, v. 106, n. D21, p. 27307, doi. 10.1029/2000JD000214

By:

Christiansen, Bo

Publication type:

Article

A model study of the dynamical connection between the Arctic Oscillation and stratospheric vacillations.

Published in:

Journal of Geophysical Research. Atmospheres, 2000, v. 105, n. D24, p. 29461, doi. 10.1029/2000JD900542

By:

Christiansen, Bo

Publication type:

Article

Changes in Temperature Records and Extremes: Are They Statistically Significant?

Published in:

Journal of Climate, 2013, v. 26, n. 20, p. 7863, doi. 10.1175/JCLI-D-12-00814.1

By:

Christiansen, Bo

Publication type:

Article

Reply to 'Comments on 'Reconstruction of the Extratropical NH Mean Temperature over the Last Millennium with a Method That Preserves Low-Frequency Variability''.

Published in:

Journal of Climate, 2012, v. 25, n. 22, p. 7998, doi. 10.1175/JCLI-D-11-00642.1

By:

Christiansen, Bo;
Ljungqvist, Fredrik Charpentier

Publication type:

Article

Reply to 'Comments on 'Reconstructing the NH Mean Temperature: Can Underestimation of Trends and Variability be Avoided?''.

Published in:

Journal of Climate, 2012, v. 25, n. 9, p. 3447, doi. 10.1175/JCLI-D-11-00162.1

By:

Christiansen, Bo

Publication type:

Article

Reconstruction of the Extratropical NH Mean Temperature over the Last Millennium with a Method that Preserves Low-Frequency Variability.

Published in:

Journal of Climate, 2011, v. 24, n. 23, p. 6013, doi. 10.1175/2011JCLI4145.1

By:

Christiansen, Bo;
Ljungqvist, Fredrik Charpentier

Publication type:

Article

Reconstructing the NH Mean Temperature: Can Underestimation of Trends and Variability Be Avoided?

Published in:

Journal of Climate, 2011, v. 24, n. 3, p. 674, doi. 10.1175/2010JCLI3646.1

By:

Christiansen, Bo

Publication type:

Article

A Surrogate Ensemble Study of Sea Level Reconstructions.

Published in:

Journal of Climate, 2010, v. 23, n. 16, p. 4306, doi. 10.1175/2010JCLI3014.1

By:

Christiansen, Bo;
Schmith, T.;
Thejll, P.

Publication type:

Article

Stratospheric Bimodality: Can the Equatorial QBO Explain the Regime Behavior of the NH Winter Vortex?

Published in:

Journal of Climate, 2010, v. 23, n. 14, p. 3953, doi. 10.1175/2010JCLI3495.1

By:

Christiansen, Bo

Publication type:

Article

Reply.

Published in:

Journal of Climate, 2010, v. 23, n. 10, p. 2839, doi. 10.1175/2010JCLI3281.1

By:

Christiansen, Bo;
Schmith, T.;
Thejll, P.

Publication type:

Article

Is the Atmosphere Interesting? A Projection Pursuit Study of the Circulation in the Northern Hemisphere Winter.

Published in:

Journal of Climate, 2009, v. 22, n. 5, p. 1239, doi. 10.1175/2008JCLI2633.1

By:

Christiansen, Bo

Publication type:

Article

A Surrogate Ensemble Study of Climate Reconstruction Methods: Stochasticity and Robustness.

Published in:

Journal of Climate, 2009, v. 22, n. 4, p. 951, doi. 10.1175/2008JCLI2301.1

By:

Christiansen, Bo;
Schmith, T.;
Thejll, P.

Publication type:

Article

Volcanic Eruptions, Large-Scale Modes in the Northern Hemisphere, and the El Niño–Southern Oscillation.

Published in:

Journal of Climate, 2008, v. 21, n. 5, p. 910, doi. 10.1175/2007JCLI1657.1

By:

Christiansen, Bo

Publication type:

Article

Atmospheric Circulation Regimes: Can Cluster Analysis Provide the Number?

Published in:

Journal of Climate, 2007, v. 20, n. 10, p. 2229, doi. 10.1175/JCLI4107.1

By:

Christiansen, Bo

Publication type:

Article

Reply.

Published in:

2007

By:

Christiansen, Bo

Publication type:

Letter

The Shortcomings of Nonlinear Principal Component Analysis in Identifying Circulation Regimes.

Published in:

Journal of Climate, 2005, v. 18, n. 22, p. 4814, doi. 10.1175/JCLI3569.1

By:

Christiansen, Bo

Publication type:

Article

Evidence for Nonlinear Climate Change: Two Stratospheric Regimes and a Regime Shift.

Published in:

Journal of Climate, 2003, v. 16, n. 22, p. 3681, doi. 10.1175/1520-0442(2003)016<3681:EFNCCT>2.0.CO;2

By:

Christiansen, Bo

Publication type:

Article

Temporal growth and vertical propagation of perturbations in the winter atmosphere.

Published in:

Quarterly Journal of the Royal Meteorological Society, 2003, v. 129, n. 590, p. 1589, doi. 10.1256/qj.01.154

By:

Christiansen, Bo

Publication type:

Article

Radiative forcing and climate sensitivity: The ozone experience.

Published in:

Quarterly Journal of the Royal Meteorological Society, 1999, v. 125, n. 560, p. 3011, doi. 10.1002/qj.49712556011

By:

Christiansen, Bo

Publication type:

Article

Analysis of Ensemble Mean Forecasts: The Blessings of High Dimensionality.

Published in:

Monthly Weather Review, 2019, v. 147, n. 5, p. 1699, doi. 10.1175/MWR-D-18-0211.1

By:

Christiansen, Bo

Publication type:

Article

Estimating the gain of increasing the ensemble size from analytical considerations.

Published in:

Quarterly Journal of the Royal Meteorological Society, 2024, v. 150, n. 764, p. 4270, doi. 10.1002/qj.4815

By:

Christiansen, Bo

Publication type:

Article

The actual and potential skill of dynamical decadal forecasts.

Published in:

Geophysical Research Abstracts, 2019, v. 21, p. 1

By:

Christiansen, Bo;
Yang, Shuting

Publication type:

Article

Strong volcanic-induced climatic shocks on historical Moselle wine production.

Published in:

Climate of the Past Discussions, 2024, p. 1, doi. 10.5194/cp-2024-41

By:

Ljungqvist, Fredrik Charpentier;
Christiansen, Bo;
Schneider, Lea;
Thejll, Peter

Publication type:

Article

Estimating the Significance of the Added Skill from Initializations: The Case of Decadal Predictions.

Published in:

Journal of Climate, 2023, v. 36, n. 9, p. 2781, doi. 10.1175/JCLI-D-22-0605.1

By:

CHRISTIANSEN, BO;
SHUTING YANG;
MATTE, DOMINIC

Publication type:

Article

The Forced Response and Decadal Predictability of the North Atlantic Oscillation: Nonstationary and Fragile Skills.

Published in:

Journal of Climate, 2022, v. 35, n. 18, p. 5869, doi. 10.1175/JCLI-D-21-0807.1

By:

Christiansen, Bo;
Yang, Shuting;
Matte, Dominic

Publication type:

Article

Understanding the Distribution of Multimodel Ensembles.

Published in:

Journal of Climate, 2020, v. 33, n. 21, p. 9447, doi. 10.1175/JCLI-D-20-0186.1

By:

CHRISTIANSEN, BO

Publication type:

Article

Reply to "Comment on 'Ensemble Averaging and the Curse of Dimensionality'".

Published in:

2018

By:

Christiansen, Bo

Publication type:

Letter to the Editor

Was the Cold European Winter of 2009/10 Modified by Anthropogenic Climate Change? An Attribution Study.

Published in:

Journal of Climate, 2018, v. 31, n. 9, p. 3387, doi. 10.1175/JCLI-D-17-0589.1

By:

Christiansen, Bo;
Alvarez-Castro, Carmen;
Christidis, Nikolaos;
Ciavarella, Andrew;
Colfescu, Ioana;
Cowan, Tim;
Eden, Jonathan;
Hauser, Mathias;
Hempelmann, Nils;
Klehmet, Katharina;
Lott, Fraser;
Nangini, Cathy;
Jan van Oldenborgh, Geert;
Orth, René;
Stott, Peter;
Tett, Simon;
Vautard, Robert;
Wilcox, Laura;
Yiou, Pascal

Publication type:

Article

Ensemble Averaging and the Curse of Dimensionality.

Published in:

Journal of Climate, 2018, v. 31, n. 4, p. 1587, doi. 10.1175/JCLI-D-17-0197.1

By:

Christiansen, Bo

Publication type:

Article

The Role of the Selection Problem and Non-Gaussianity in Attribution of Single Events to Climate Change.

Published in:

Journal of Climate, 2015, v. 28, n. 24, p. 9873, doi. 10.1175/JCLI-D-15-0318.1

By:

Christiansen, Bo

Publication type:

Article

Straight Line Fitting and Predictions: On a Marginal Likelihood Approach to Linear Regression and Errors-In-Variables Models.

Published in:

Journal of Climate, 2014, v. 27, n. 5, p. 2014, doi. 10.1175/JCLI-D-13-00299.1

By:

Christiansen, Bo

Publication type:

Article

Challenges and perspectives for large-scale temperature reconstructions of the past two millennia.

Published in:

Reviews of Geophysics, 2017, v. 55, n. 1, p. 40, doi. 10.1002/2016RG000521

By:

Christiansen, Bo;
Ljungqvist, Fredrik Charpentier

Publication type:

Article

Boreal winter stratospheric climatology in EC-EARTH: CMIP6 version.

Published in:

Climate Dynamics, 2023, v. 60, n. 3/4, p. 883, doi. 10.1007/s00382-022-06368-0

By:

Palmeiro, Froila M;
García-Serrano, Javier;
Rodrigo, Mario;
Abalos, Marta;
Christiansen, Bo;
Yang, Shuting

Publication type:

Article

The influence of ENSO events on the stratospheric QBO in a multi-model ensemble.

Published in:

Climate Dynamics, 2020, v. 54, n. 3/4, p. 2561, doi. 10.1007/s00382-020-05131-7

By:

Serva, Federico;
Cagnazzo, Chiara;
Christiansen, Bo;
Yang, Shuting

Publication type:

Article

Evaluation of the HadGEM3-A simulations in view of detection and attribution of human influence on extreme events in Europe.

Published in:

Climate Dynamics, 2019, v. 52, n. 1/2, p. 1187, doi. 10.1007/s00382-018-4183-6

By:

Vautard, Robert;
Christidis, Nikolaos;
Ciavarella, Andrew;
Alvarez-Castro, Carmen;
Bellprat, Omar;
Christiansen, Bo;
Colfescu, Ioana;
Cowan, Tim;
Doblas-Reyes, Francisco;
Eden, Jonathan;
Hauser, Mathias;
Hegerl, Gabriele;
Hempelmann, Nils;
Klehmet, Katharina;
Lott, Fraser;
Nangini, Cathy;
Orth, René;
Radanovics, Sabine;
Seneviratne, Sonia I.;
van Oldenborgh, Geert Jan

Publication type:

Article