CATTIAUX Julien

Julien CATTIAUX

CNRS research scientist at CNRM (UMR CNRS/Météo-France)

> Group Climate and Large-Scale Modelling (GMGEC).
>> Team: Variability - Detection - Feedbacks (VDR).

Email: julien.cattiaux@meteo.fr
Phone: +33 (0)5 61 07 90 29
Office: 288, Navier building
Address: CNRM - 42, Av. Gaspard Coriolis - 31057 Toulouse, FRANCE

@julienc4ttiaux on twitter

Cette page est également disponible en français.



 News


- June 6-10, 2016 - Attending IMSC 2016 in Canmore, Alberta, Canada. My talk on the ongoing disruption of the European seasonal clock here.
- Apr 4, 2016 - Our article on the disruption of the European climate seasonal clock in a warming world has just been released by Nature Climate Change (#21 in the below list).
- Feb 11, 2016 - Our article on statistical modeling of surface winds large of Brittany accepted in ASCMO (#22 in the below list).
- Dec 14-18, 2015 - AGU Meeting, San Francico, Californie. Will talk about the disruption of the European climate seasonal clock on Tuesday, and co-convene a session on atmospheric circulation and climate extremes on Friday.
- Nov 17 to Dec 11, 2015 - Visiting scientist at University of California, Irvine. My talk on North-Atlantic atmospheric dynamics and climate change here.



  Research


SCIENTIFIC INTERESTS
- Detection & attribution of changes in climate variability, empirical methods, flow-analogue analysis, record theory, attribution of extreme events.
- European temperature extremes, underlying mechanisms, atmospheric dynamics, amplifying feedbacks (clouds, soil moisture, snow cover), responses to climate change.
- North-Atlantic atmospheric dynamics, NAO variability, weather regimes, influence of teleconnections and Arctic Amplification.
- Evaluation of climate models, origins of present-day biases & future uncertainties, sensitivity to atmospheric resolution, contribution of cloud feedbacks to climate sensitivity.


TOOLS
R, CDO & NCL.


CURRENT PROJECTS
- EUCLEIA (FP7, 2014-2016) — Attribution of extreme weather events. Focus on Europe.
- EXTREMOSCOPE (French Ministry for Envt, 2013-2016) — Attribution of extreme weather events. Focus on France.
- MORDICUS (French ANR, 2014-2018) — Response of atmospheric modes of variability to climate change.



  Degrees & Experiment


- 2013/... — CNRS research scientist at CNRM (Toulouse, France).
- 2011/13 — Post-doc, EUCLIPSE & E3P projects, CNRM (Toulouse, France), with H. Douville.
- 2007/10 — Ph.D. in Climate Science, LSCE/IPSL (Gif-sur-Yvette, France), with R. Vautard & P. Yiou.
- 2006/07 — Master Degree in Physics of Ocean & Atmosphere, Univ. P&M. Curie (Paris, France).
- 2004/07 — Engineering Diploma, ENSTA-Paritech (Paris, France).
- 2002 — Scientific « Baccalauréat » (Limours, France).
- 1985 — Birth.



  Supervision & Teaching


SUPERVISION
- 2016 - Andy Horvath, L3 student : Record-breaking temperatures in a warming world .
- 2015/16 - Soulivanh Thao, post-doc : Methods for attribution of single weather events. With A. Ribes, MEDDE EXTREMOSCOPE project.
- 2015 - Nadège Trou-Kechout, M2 student: Trends and variability of the Northern hemisphere jet stream .
- 2014/15 - Robert Schoetter, post-doc : Multi-model analysis of intraseasonal variability and extremes in recent and future European temperatures. With H. Douville, Climate-KIC E3P project.
- 2013 - Yannick Léauté, ENM student: Reconstruction of the 20C global temperature from external forcings and natural modes of variability. With A. Ribes.
- 2013 - Alexandre Albert-Aguilar, M2 student: Detection of changes in climate extreme events using entropy. With A. Ribes & P. Naveau (LSCE-IPSL).
- 2011 - Chloé Plante, M2 student: Impact of climate change on the variability of daily minimum and maximum temperatures in Europe. With H. Douville & F. Chauvin, FP7 EUCLIPSE project.


TEACHING
- Since 2014/15 - « Introduction to climate change » and « Statistics in climate sciences » (M2 6h), ENSAI, Rennes, France.
- Since 2013/14 - « Introduction to climate change » (M2 6h), ENPC, Champs sur Marne, France.
- 2015/16 - « Statistics in climate sciences (R, CDO, NetCDF) » (M1 3h), ENM, Toulouse.
- 2009/10 - « Glacial-interglacial cycles » (M2 3h TD), M2R ICE UVSQ, Paris, France.
- 2007/08 - « Introduction to R and spectral analysis » (M2 3h TD), M2R ICE UVSQ, Saclay, France.



 Publications


Last update: June 6, 2016. E-mail me for electronic copies.

-  Submitted / in revision
[26] Oudar, T., E. Sanchez-Gomez, F. Chauvin, J. Cattiaux, C. Cassou and L. Terray, Respective effects of Arctic sea ice loss and GHGs increase on the Northern Hemisphere atmospheric circulation, submitted to Climate Dynamics.
[25] Peings, Y., J. Cattiaux, S. Vavrus and G. Magnusdottir, Changes in the mid-latitude atmospheric circulation in the CESM Large Ensemble, submitted to Journal of Climate.
[24] Cattiaux, J., Y. Peings, D. Saint-Martin, N. Trou-Kechout and S. Vavrus, Sinuosity of mid-latitude atmospheric flow in a warming world, in revision for Geophysical Research Letters.
[23] Schoetter, R., J. Cattiaux and H. Douville, Life cycle analysis of western European warm spells, in revision for Geophysical Research Letters.

- 2016
[22] Bessac, J., P. Ailliot, J. Cattiaux and V. Monbet (2016), Comparison of hidden and observed regime-switching autoregressive models for (u,v)-components of wind fields in the Northeast Atlantic, Advances in Statistical Climatology, Meteorology and Oceanography, 2, 1-16. doi:10.5194/ascmo-2-1-2016
[21] Cassou, C. and J. Cattiaux (2016), Disruption of the European climate seasonal clock in a warming world, Nature Climate Change. doi:10.1038/nclimate2969
[20] Lucas-Picher, P., J. Cattiaux, A. Bougie and R. Laprise (2016), How does large‑scale nudging in a regional climate model contribute to improving the simulation of weather regimes and seasonal extremes over North America?, Climate Dynamics, 46(3), 929-948. doi:10.1007/s00382-015-2623-0

- 2015
[19] Douville, H., J. Colin, E. Krug, J. Cattiaux and S. Thao (2015), Mid-latitude daily summer temperatures reshaped by soil moisture under climate change, Geophysical Research Letters, 43(2), 812–818. doi:10.1002/2015GL066222
[18] Cattiaux, J., H. Douville, R. Schoetter, S. Parey and P. Yiou (2015), Projected increase in diurnal and inter-diurnal variations of European summer temperatures, Geophysical Research Letters, 42(3), 899–907. doi:10.1002/2014GL062531
[17] Schoetter, R., J. Cattiaux and H. Douville (2015), Changes of western European heat wave characteristics projected by the CMIP5 ensemble, Climate Dynamics, 45(5), 1601-1616. doi:10.1007/s00382-014-2434-8

- 2014
[16] Yiou, P. and J. Cattiaux (2014), Contribution of atmospheric circulation to the wet South European winter of 2013, in « Explaining Extreme Events of 2013 from a Climate Perspective », Bulletin of the American Meteorological Society, 95 (9), S66-69.

- 2013
[15] Yiou, P. and J. Cattiaux (2013), Contribution of atmospheric circulation to the wet North European summer of 2012, in « Explaining Extreme Events of 2012 from a Climate Perspective », Bulletin of the American Meteorological Society, 94 (9), S39-41.
[14] Cattiaux, J., and P. Yiou (2013), The U.S. heatwaves of spring-summer 2012 from the flow-analogue perspective, in « Explaining Extreme Events of 2012 from a Climate Perspective », Bulletin of the American Meteorological Society, 94 (9), S10-13.
[13] Cattiaux, J., and C. Cassou (2013), Opposite CMIP3/5 trends in the Northern Annular Mode explained by combined local sea-ice and remote tropical influences, Geophysical Research Letters, 40 (14), 3682–3687. doi:10.1002/grl.50643
[12] Cattiaux, J., H. Douville, and Y. Peings (2013), European temperatures in CMIP5: origins of present-day biases and future uncertainties, Climate Dynamics, 41 (11-12), 2889-2907. doi:10.1007/s00382-013-1731-y
[11] Peings, Y., J. Cattiaux and H. Douville (2013), Evaluation and response of cold spells over Western Europe in CMIP5 models, Climate Dynamics, 41 (11-12), 3025-3037. doi:10.1007/s00382-012-1565-z
[10] Vautard, R., T. Noel, L. Li, M. Vrac, E. Martin, P. Dandin, J. Cattiaux and S. Joussaume (2013), Climate variability and trends in downscaled high-resolution simulations and projections over Metropolitan France, Climate Dynamics, 41 (5-6), 1419-1437. doi:10.1007/s00382-012-1621-8
[9] Cattiaux, J., B. Quesada, A. Arakélian, F. Codron, R. Vautard, and P. Yiou (2013), North-Atlantic dynamics and European temperature extremes in the IPSL model: sensitivity to atmospheric resolution, Climate Dynamics, 40 (9-10), 2293-2310. doi:10.1007/s00382-012-1529-3
[8] Cattiaux, J., H. Douville, A. Ribes, F. Chauvin, and C. Plante (2013), Towards a better understanding of changes in wintertime cold extremes over Europe: A pilot study with CNRM-CM5 and IPSL-CM5 atmospheric models, Climate Dynamics, 40 (9-10), 2433-2445. doi:10.1007/s00382-012-1436-7

- 2012
[7] Cattiaux, J., P. Yiou, and R. Vautard (2012), Dynamics of future seasonal temperature trends and extremes in Europe: a multi-model analysis from CMIP3, Climate Dynamics, 38 (9-10), 1949-1964. doi:10.1007/s00382-011-1211-1
[6] Cattiaux, J., and P. Yiou (2012), Contribution of atmospheric circulation to remarkable European temperatures of 2011, in « Explaining Extreme Events of 2011 from a Climate Perspective », Bulletin of the American Meteorological Society, 93, 1041-1067. doi:10.1175/BAMSD-12-00021.1

- 2011
[5] Ouzeau, G., J. Cattiaux, H. Douville, A. Ribes, and D. Saint-Martin (2011), European cold winter 2009-2010: How unusual in the instrumental record and how reproducible in the Arpege-Climat model?, Geophysical Research Letters, 38, L11706. doi:10.1029/2011GL047667
[4] Cattiaux, J., R. Vautard, and P. Yiou (2011), North-Atlantic SST amplified recent wintertime European land temperature extremes and trends, Climate Dynamics, 36 (11–12), 2113–2128. doi:10.1007/s00382-010-0869-0

- 2010
[3] Cattiaux, J., R. Vautard, C. Cassou, P. Yiou, V. Masson-Delmotte, and F. Codron (2010), Winter 2010 in Europe: A cold extreme in a warming climate, Geophysical Research Letters, 37, L20704. doi:10.1029/2010GL044613
[2] Vautard, R., J. Cattiaux, P. Yiou, J.N. Thépaut, and P. Ciais (2010), Northern Hemisphere atmospheric stilling partly attributed to an increase in surface roughness, Nature Geoscience, 3, 756–761. doi:10.1038/NGEO979

- 2009
[1] Cattiaux, J., R. Vautard, and P. Yiou (2009), Origins of the extremely warm European fall of 2006, Geophysical Research Letters, 36 (6), L06713. doi:10.1029/2009GL037339

-  In preparation
* Cattiaux, J., R. Vautard, P. Yiou, P. Naveau and A. Ribes, Detection of changes in European temperatures from record-breaking statistics, in prep.
* Quesada, B., J. Cattiaux, P. Yiou, R. Vautard and C. Cassou, Initially wet European summers in a warming world, in prep.

-  Books / Other articles
[3] Boucher, O., et al. (2015), Projection des changements climatiques futurs, La Météorologie, 88, 56-68.
[2] Planton, S. et al. (2015), Evolution du climat depuis 1850, La Météorologie, 88, 48-55.
[1] Charbit, S., J.L. Dufresne, G. Ramstein, J. Cattiaux and L. Bopp (2013), Des climats du passé aux climats du futur, Chapter 10 in Paléoclimatologie 2 : Enquête sur les climats anciens, by J.-C. Duplessy and G. Ramstein, EDP Sciences, 450pp, ISBN : 978-2-7598-0741-3.

-  My Ph.D. Thesis
Cattiaux, J. (2010), Extrêmes de température en Europe: mécanismes et réponses au changement climatique, edited by Univ. P&M. Curie, published on TEL (mostly in French).



  Public communications



-  Main conferences

[June 2016] - 13th International Meeting on Statistical Climatology, Canmore, Alberta, Canada. Disruption of the European climate seasonal clock in a warming world.

[Dec 2014] - AGU Meeting, San Francisco, US. Projected increase in diurnal and inter-diurnal variations of European summer temperatures.

[Jun 2013] - 12th International Meeting on Statistical Climatology, Jeju, South Korea.
(1) Opposite CMIP3/5 trends in the NAM explained by combined local sea-ice and remote tropical influences (updated).
(2) European temperatures in CMIP5: present-day biases and future uncertainties.

[Sep 2012] - Attribution of Climate Extremes, Oxford, UK. Contribution of large-scale dynamics to recent European temperature extremes (invited).

[May 2012] - CFMIP/EUCLIPSE, Paris, France. European temperature extremes in CMIP5: present-day biases and future uncertainties.

[Jun 2011] - CFMIP/GKSS/EUCLIPSE, MetOffice, Exeter, UK. Towards the understanding of future changes in European temperature extremes: a multi-model analysis from CMIP5 (updated).

[May 2010] - EGU, Vienna, Austria. North-Atlantic SST amplified recent wintertime European land temperature extremes and trends.

[Apr 2009] - EGU, Vienna, Austria. Origins of the extremely warm European fall of 2006.

[Sep 2008] - EMS/ECAC, Amsterdam, Netherlands. Recent warm extremes in Europe: a taste of future climate? (Poster).

-  Workshops

[Mar 2015] - Extreme climate events workshop, Riederalp, Switzerland. Projected changes in the variability and extremes of European summer temperatures

[Jan 2015] - AMA / IMAGO, Toulouse, France. North-atlantic atmospheric dynamics and climate change.

[Dec 2014] - Polar-lower latitudes linkages workshop, Barcelona, Spain. Opposite CMIP3/5 trends in the NAM explained by combined local sea-ice and remote tropical influences

[Dec 2013] - PEPER, Aussois, France. Contribution of atmospheric dynamics to changes in European temperatures.

[Jan 2012] - AMA, Toulouse, France. Towards the understanding of future changes in European temperature extremes: a multi-model analysis from CMIP5.

-  Popularization (in French)

[13/11/2015] - Journées Formaterre, IFE / ENS, Lyon. Evénements météorologiques extrêmes et changement climatique.

[19/03/2015] - Lycée Jules Fil, Carcassonne. Climat et Changement Climatique : la planète se réchauffe-t-elle (vraiment) ?.

[03/12/2013] - Journée Scientifique Météo & Climat sur la perception du changement climatique, Paris. Quel sens donner aux événements extrêmes dans le contexte du changement climatique?.

[31/05/2013] - Café de la Statistique, Toulouse. Le climat change-t-il (vraiment)? (avec A. Ribes).

-  Some other seminars/talks

[Mar 2016] - CNRM Seminar, Toulouse, France. Sinuosity of mid-latitude atmospheric flow in a warming world.

[Nov 2015] - ESS Seminar, University of California, Irvine, CA, US. Northern mid-latitude atmospheric dynamics in a warming world.

[Nov 2012] - LSCE, Gif-sur-Yvette, France. European temperatures and North-Atlantic circulation in CMIP5.

[Mar 2011] - CNRM Seminar, Toulouse, France. Using RCMs for case studies of European temperature extremes.

[Dec 2010] - Ph.D. defense, Paris, France. European temperature extremes: mechanisms and responses to climate change.

[Sep 2009] - LSCE, Gif-sur-Yvette, France. The global land surface atmospheric stilling.



  Meanwhile...


- The Next Buddha, listen free on myspace or deezer.
See the trailer of the second album Relapse.


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