CATTIAUX Julien

Julien CATTIAUX

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

> Group: Climate and Large-Scale Modelling (GMGEC).
>> Team: Atmosphere Modelling & Analysis, Climate Sensitivity (AMACS).

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


- Apr 28, 2017 - New paper - Changes in mid-latitude atmospheric circulation in CESM large ensemble, released by Journal of Climate.
- Mar 27, 2017 - Colloquium at ETH Zurich: European climate variability in a warming world.
- Feb 21, 2017 - New paper - Sensitivity of atmospheric circulation to greenhouse gases and Arctic sea ice in CNRM-CM, accepted in Climate Dynamics.
- Feb 20, 2017 - New paper - Changes in North-American atmospheric circulation and extreme weather in CESM large ensemble, released by Journal of Climate.
- Aug 15, 2016 - New paper - Sinuosity of the midlatitude flow in a warming world, released by GRL.



  Degrees & Experiment


- since 2014 — CNRS research scientist at CNRM (Toulouse, France).
- 2011/13 — Post-doc, EUCLIPSE & E3P projects, CNRM (Toulouse, France), with H. Douville.
- 2010 — Ph.D. in Climate Science, LSCE (Gif-sur-Yvette, France), with R. Vautard & P. Yiou.
- 2007 — Master Degree in Physics of Ocean & Atmosphere, Univ. P&M. Curie (Paris, France).
- 2007 — Engineering Diploma, ENSTA-Paritech (Paris, France).
- 2002 — Scientific « Baccalauréat » (Limours, France).
- 1985 — Birth.



  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.

PROJECTS

(current)
- APPLICATE (H2020, 2017-2020) — Response of mid-latitude atmospheric circulation to Arctic Amplification.
- MORDICUS (French ANR, 2014-2018) — Response of atmospheric modes of variability to climate change.

(past)
- E3P (Climate-KIC, 2011-2014) — Indices of climate extremes for energy providers.
- EUCLEIA (FP7, 2014-2016) — Attribution of extreme weather events. Focus on Europe.
- EUCLIPSE (FP7, 2011-2014) — Cloud feedbacks and temperature extremes in Europe.
- EXTREMOSCOPE (French Ministry for Envt, 2013-2016) — Attribution of extreme weather events. Focus on France.

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 (CNRM), EXTREMOSCOPE.
- 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 (CNRM), E3P.
- 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 (CNRM) & P. Naveau (LSCE).
- 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 CNRM), EUCLIPSE.

SCIENTIFIC RESPONSABILITIES

- since 2016 - Co-organizer of the working group on climate extremes at CNRM.
- since 2015 - Co-organizer of the session Identifying links between the large-scale atmospheric circulation and climate extremes at the annual AGU Meeting.
- 2014-2016 - Co-organizer of the weekly climate seminars at CNRM.



  Teaching


COURSES

- since 2016 - Climate change (Course, M1 14h), ENM, Toulouse.
- since 2016 - Climate system and variability (Course, L3 6h), ENM, Toulouse.
- since 2016 - Physics of the climate system (Course, M2 10h), M2 SOAC, UPS, Toulouse.
- since 2015 - Statistics in climate sciences (R, CDO, NetCDF) (Tutorial, M1 3h), ENM, Toulouse.
- since 2014 - Statistics in climate sciences (Course, M2 6h), ENSAI, Rennes.
- since 2013 - Introduction to climate change (Course, M2 6h), ENPC, Champs sur Marne.
- 2009/10 - Glacial-interglacial cycles (Tutorial, M2 3h), M2 ICE, UVSQ, Paris.
- 2007/08 - Introduction to R and spectral analysis (Tutorial, M2 3h), M2 ICE, UVSQ, Saclay.



 Publications


Word cloud of co-authors + titles (generated with R)

Last update: July 10, 2017 (changes in blue). E-mail me for electronic copies.

-  Submitted / in revision
* Yiou, P., J. Cattiaux, A. Ribes, R. Vautard and M. Vrac, Recent trends in the recurrence of North-Atlantic atmosperic circulation patterns, submitted to Nature Geoscience.
* Cattiaux, J. and A. Ribes, Defining single weather events in a climate perspective, submitted to Nature Climate Change.
* Gainusa-Bogdan, A., D. Swingedouw, P. Yiou, J. Cattiaux and F. Codron, AMOC as the key driver of the spread in Mid-Holocene winter temperature patterns over Europe in PMIP3 models, submitted to Climate dynamics.
* Schoetter, R., J. Cattiaux and H. Douville, Life cycle analysis of western European warm spells, in revision for Geophysical Research Letters.

- 2017
[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, Climate Dynamics, in press. doi:10.1007/s00382-017-3541-0
[25] Peings, Y., J. Cattiaux, S. Vavrus and G. Magnusdottir (2017), Changes in the mid-latitude atmospheric circulation in the CESM Large Ensemble, Journal of Climate, 30, 5943—5960. doi:10.1175/JCLI-D-16-0340.1
[24] Vavrus, S., F. Wang, J. Martin, J. Francis, Y. Peings and J. Cattiaux (2017), Changes in North American Atmospheric Circulation and Extreme Weather, Journal of Climate, 30, 4317—4333. doi:10.1175/JCLI-D-16-0762.1

- 2016
[23] Cattiaux, J., Y. Peings, D. Saint-Martin, N. Trou-Kechout and S.J. Vavrus (2016), Sinuosity of mid-latitude atmospheric flow in a warming world, Geophysical Research Letters, 43, 8259—8268. doi:10.1002/2016GL070309
[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, 6, 589—594. 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

-  Books / Other articles
[4] Cattiaux, J., F. Chauvin, H. Douville and A. Ribes (2016), Des bulletins météo extrêmes à prévoir, La Recherche , 517.
[3] Boucher, O., ... , J. Cattiaux, ... et al. (2015), Projection des changements climatiques futurs, La Météorologie, 88, 56—68.
[2] Planton, S., ... , J. Cattiaux, ... 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


- 2017
[Mar] - European climate variability in a warming world, ETHZ colloquium, Zurich, Switzerland.

- 2016
[Jun] - Disruption of the European climate seasonal clock in a warming world, 13IMSC meeting, Canmore, Alberta, Canada.
[Mar] - Sinuosity of mid-latitude atmospheric flow in a warming world, CNRM seminar, Toulouse, France.

- 2015
[Nov] - Northern mid-latitude atmospheric dynamics in a warming world, ESS seminar, University of California, Irvine, CA, US.
[Mar] - Projected changes in the variability and extremes of European summer temperatures, Extreme climate events workshop, Riederalp, Switzerland.
[Jan] - North-atlantic atmospheric dynamics and climate change, AMA/IMAGO workshop, Toulouse, France.

- 2014
[Dec] - Projected increase in diurnal and inter-diurnal variations of European summer temperatures, AGU meeting, San Francisco, CA, US.
[Dec] - Opposite CMIP3/5 trends in the NAM explained by [...], Polar-lower latitudes linkages workshop, Barcelona, Spain.

- 2013
[Dec] - Contribution of atmospheric dynamics to changes in European temperatures, PEPER workshop, Aussois, France.
[Jun] - European temperatures in CMIP5: present-day biases and future uncertainties, 12IMSC meeting, Jeju, South Korea.

- 2012
[Nov] - European temperatures and North-Atlantic circulation in CMIP5, LSCE seminar, Gif-sur-Yvette, France.
[Sep] - Contribution of large-scale dynamics to recent European temperature extremes, Attribution of climate extremes workshop, Oxford, UK.
[May] - European temperature extremes in CMIP5: present-day biases and future uncertainties, CFMIP/EUCLIPSE meeting, Paris, France.

- 2011
[Jun] - Towards the understanding of future changes in European temperature extremes [...], CFMIP/GKSS/EUCLIPSE meeting, MetOffice, Exeter, UK.
[Mar] - Using RCMs for case studies of European temperature extremes, CNRM seminar, Toulouse, France.

- 2010
[Dec] - European temperature extremes: mechanisms and responses to climate change, Ph.D. defense, Paris, France.
[May] - North-Atlantic SST amplified recent wintertime European land temperature extremes and trends, EGU meeting, Vienna, Austria.

- 2009
[Sep] - The global land surface atmospheric stilling, LSCE seminar, Gif-sur-Yvette, France.
[Apr] - Origins of the extremely warm European fall of 2006, EGU meeting, Vienna, Austria.

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

-  Popularization (in French)
[Jun 2017] - Quel temps fera-t-il dans 59 ans ?, IMT, Toulouse (en l’honneur des 59e anniversaires de C. Léonard et P. Cattiaux).
[Nov 2015] - Evénements météorologiques extrêmes et changement climatique, Journées Formaterre, IFE/ENS, Lyon.
[Mar 2015] - Climat et Changement Climatique : la planète se réchauffe-t-elle (vraiment) ?, Lycée Jules Fil, Carcassonne.
[Dec 2013] - Quel sens donner aux événements extrêmes dans le contexte du changement climatique?, Journée Scientifique Météo & Climat, Paris.
[May 2013] - Le climat change-t-il (vraiment)? (avec A. Ribes), Café de la Statistique, Toulouse.



  Meanwhile...


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


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