All Stories

  1. Reply to “Comment on ‘Ensemble Averaging and the Curse of Dimensionality’”

    Article • Journal of Climate, November 2018, American Meteorological Society

    Bo Christiansen

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

    Article • Journal of Climate, May 2018, American Meteorological Society

    Bo Christiansen

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

    Article • Climate Dynamics, April 2018, Springer Science + Business Media

    Bo Christiansen

  4. Ensemble Averaging and the Curse of Dimensionality

    Article • Journal of Climate, February 2018, American Meteorological Society

    Bo Christiansen

  5. Trends and annual cycles in soundings of Arctic tropospheric ozone

    Article • Atmospheric Chemistry and Physics, August 2017, Copernicus GmbH

    Bo Christiansen

  6. Trends and annual cycles in soundings of Arctic tropospheric ozone

    Article • Atmospheric Chemistry and Physics Discussions, April 2017, Copernicus GmbH

    Bo Christiansen

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

    Article • Reviews of Geophysics, January 2017, American Geophysical Union (AGU)

    Bo Christiansen

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

    Article • Geophysical Research Letters, October 2016, American Geophysical Union (AGU)

    Bo Christiansen

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

    Article • Journal of Climate, December 2015, American Meteorological Society

    Bo Christiansen

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

    Article • Geophysical Research Letters, January 2015, American Geophysical Union (AGU)

    Bo Christiansen, Doc Peter Thejll

  11. Northern winter climate change: Assessment of uncertainty in CMIP5 projections related to stratosphere-troposphere coupling

    Article • Journal of Geophysical Research Atmospheres, July 2014, American Geophysical Union (AGU)

    Bo Christiansen

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

    Article • Journal of Climate, March 2014, American Meteorological Society

    Bo Christiansen

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

    Article • Journal of Climate, October 2013, American Meteorological Society

    Bo Christiansen

  14. Multi‐model analysis of Northern Hemisphere winter blocking: Model biases and the role of resolution

    Article • Journal of Geophysical Research Atmospheres, May 2013, American Geophysical Union (AGU)

    Dr Steven C Hardiman, Bo Christiansen

  15. On the lack of stratospheric dynamical variability in low‐top versions of the CMIP5 models

    Article • Journal of Geophysical Research Atmospheres, March 2013, American Geophysical Union (AGU)

    Dr Steven C Hardiman, Dr Andrew J Charlton-Perez, Bo Christiansen

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

    Article • Journal of Climate, November 2012, American Meteorological Society

    Bo Christiansen

  17. Reply to “Comments on ‘Reconstructing the NH Mean Temperature: Can Underestimation of Trends and Variability be Avoided?’”

    Article • Journal of Climate, May 2012, American Meteorological Society

    Bo Christiansen

  18. The extra-tropical Northern Hemisphere temperature in the last two millennia: reconstructions of low-frequency variability

    Article • Climate of the Past, April 2012, Copernicus GmbH

    Bo Christiansen

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

    Article • Journal of Climate, December 2011, American Meteorological Society

    Bo Christiansen

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

    Article • Journal of Climate, February 2011, American Meteorological Society

    Bo Christiansen

  21. A Surrogate Ensemble Study of Sea Level Reconstructions

    Article • Journal of Climate, August 2010, American Meteorological Society

    Bo Christiansen, Doc Peter Thejll

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

    Article • Journal of Climate, July 2010, American Meteorological Society

    Bo Christiansen

  23. Reply

    Article • Journal of Climate, May 2010, American Meteorological Society

    Bo Christiansen, Doc Peter Thejll

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

    Article • Journal of Climate, March 2009, American Meteorological Society

    Bo Christiansen

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

    Article • Journal of Climate, February 2009, American Meteorological Society

    Bo Christiansen, Doc Peter Thejll

  26. An estimate of the impact of transient luminous events on the atmospheric temperature

    Article • Advances in Geosciences, September 2008, Copernicus GmbH

    Bo Christiansen

  27. Recent Results from Studies of Electric Discharges in the Mesosphere

    Article • Surveys in Geophysics, March 2008, Springer Science + Business Media

    Bo Christiansen, Doc Peter Thejll

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

    Article • Journal of Climate, March 2008, American Meteorological Society

    Bo Christiansen

  29. The dynamical response of the middle atmosphere to the tropospheric solar signal

    Article • Journal of Geophysical Research Atmospheres, October 2007, American Geophysical Union (AGU)

    Bo Christiansen, Doc Peter Thejll

  30. Radiative forcing and climate sensitivity: The ozone experience

    Article • Quarterly Journal of the Royal Meteorological Society, August 2007, Wiley

    Bo Christiansen

  31. Atmospheric Circulation Regimes: Can Cluster Analysis Provide the Number?

    Article • Journal of Climate, May 2007, American Meteorological Society

    Bo Christiansen

  32. Reply

    Article • Journal of Climate, January 2007, American Meteorological Society

    Bo Christiansen

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

    Article • Journal of Climate, November 2005, American Meteorological Society

    Bo Christiansen

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

    Article • Journal of Geophysical Research Atmospheres, July 2005, American Geophysical Union (AGU)

    Bo Christiansen

  35. Bimodality of the Planetary-Scale Atmospheric Wave Amplitude Index

    Article • Journal of the Atmospheric Sciences, July 2005, American Meteorological Society

    Bo Christiansen

  36. Extrapolating future Arctic ozone losses

    Article • Atmospheric Chemistry and Physics, September 2004, Copernicus GmbH

    Bo Christiansen

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

    Article • Journal of Geophysical Research Atmospheres, December 2003, American Geophysical Union (AGU)

    Bo Christiansen

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

    Article • Journal of Climate, November 2003, American Meteorological Society

    Bo Christiansen

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

    Article • Quarterly Journal of the Royal Meteorological Society, April 2003, Wiley

    Bo Christiansen

  40. On correlations between the North Atlantic Oscillation, geopotential heights, and geomagnetic activity

    Article • Geophysical Research Letters, March 2003, American Geophysical Union (AGU)

    Bo Christiansen

  41. Comment on “True versus apparent arctic oscillation”

    Article • Geophysical Research Letters, December 2002, American Geophysical Union (AGU)

    Bo Christiansen

  42. On the physical nature of the Arctic Oscillation

    Article • Geophysical Research Letters, August 2002, American Geophysical Union (AGU)

    Bo Christiansen

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

    Article • Journal of Geophysical Research Atmospheres, November 2001, American Geophysical Union (AGU)

    Bo Christiansen

  44. Tropospheric response to stratospheric ozone loss

    Article • Geophysical Research Letters, April 2001, American Geophysical Union (AGU)

    Bo Christiansen

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

    Article • Journal of Geophysical Research Atmospheres, December 2000, American Geophysical Union (AGU)

    Bo Christiansen

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

    Article • Journal of the Atmospheric Sciences, September 2000, American Meteorological Society

    Bo Christiansen

  47. Stratospheric Vacillations in a General Circulation Model

    Article • Journal of the Atmospheric Sciences, June 1999, American Meteorological Society

    Bo Christiansen

  48. On the response of a three-dimensional general circulation model to imposed changes in the ozone distribution

    Article • Journal of Geophysical Research Atmospheres, June 1997, American Geophysical Union (AGU)

    Bo Christiansen

  49. Hole-induced crisis in a piece-wise linear map

    Article • Physics Letters A, June 1995, Elsevier

    Bo Christiansen

  50. Dissipation and ordering in capillary waves at high aspect ratios

    Article • Journal of Fluid Mechanics, May 1995, Cambridge University Press

    Bo Christiansen

  51. Interaction between discontinuity and non-invertibility in a relaxation oscillator

    Article • Physica D Nonlinear Phenomena, December 1994, Elsevier

    Bo Christiansen

  52. Coexistence of Attractors Induced by Interaction between Discontinuity and Non-invertibility

    Article • EPL (Europhysics Letters), April 1994, Institute of Physics Publishing

    Bo Christiansen

  53. Collective phenomena in large populations of globally coupled relaxation oscillators

    Article • August 1993, American Physical Society (APS)

    Bo Christiansen

  54. Type V intermittency

    Article • Physics Letters A, November 1992, Elsevier

    Bo Christiansen

  55. Phase diagram of a modulated relaxation oscillator with a finite resetting time

    Article • Physical Review A, June 1992, American Physical Society (APS)

    Bo Christiansen

  56. Collective dynamics of coupled modulated oscillators with random pinning

    Article • Physica D Nonlinear Phenomena, April 1992, Elsevier

    Bo Christiansen

  57. Ordered capillary-wave states: Quasicrystals, hexagons, and radial waves

    Article • Physical Review Letters, April 1992, American Physical Society (APS)

    Bo Christiansen

  58. Dynamics of pulse driven Josephson junctions

    Article • IEEE Transactions on Magnetics, March 1991, Institute of Electrical & Electronics Engineers (IEEE)

    Bo Christiansen

  59. Routes to chaos and complete phase locking in modulated relaxation oscillators

    Article • Physical Review A, August 1990, American Physical Society (APS)

    Bo Christiansen

  60. Chaotic noise in superconducting microbridge 4-photon,X-band parametric amplifier

    Article • Journal of Low Temperature Physics, June 1989, Springer Science + Business Media

    Bo Christiansen

  61. Nonchaotic Transition from Quasiperiodicity to Complete Phase Locking

    Article • Physical Review Letters, October 1988, American Physical Society (APS)

    Bo Christiansen