Carlos Ordóñez García


Current position: Associate Professor at Universidad Complutense de Madrid.


Scientific Interests: Tropospheric composition and dynamics, air pollution, weather and climate extremes, atmospheric modelling


e-mail: carlordo@ucm.es

ORCID     Scopus     ResearcherID/publons     Google Scholar


Education: Ph.D. in Science, Swiss Federal Institute of Technology in Zurich (ETHZ), March 2006.


Former affiliations

  1. Senior Research Scientist. Met Office, Exeter, UK, Sep 2012 - Jan 2016.

  2. Postdoctoral Researcher. Higher Council for Scientific Research (CSIC), Spain, and National Center for Atmospheric Research (NCAR), US, Jul 2010 - Jul 2012.

  3. Research Scientist. Met Office, Exeter, UK, Jan 2008 - Jul 2010.

  4. Postdoctoral Researcher and Research Scientist. CNRS - Laboratoire d'Aerologie, Toulouse, France, May 2006 - Jan 2008.

  5. PhD Student. Paul Scherrer Institut, Villigen, Switzerland, Mar 2002 - Mar 2006.

Teaching and Tutoring

  1. Geofísica y Meteorología Aplicadas (3 ECTS). Second semester, 2015–2016, 2016–2017, 2017–2018, 2018–2019, 2019–2020 and 2020–2021.

  2. Meteorología Dinámica, Computer Labs (1.8 ECTS). Second semester, 2016–2017 and 2017–2018.

  3. Laboratorio de Física, Grado en Geología (6 ECTS). Second semester, 2018–2019.

  4. Laboratorio de Física I, Grado en Física (4.9 ECTS). Second semester, 2020–2021.

  5. Estadística y Análisis de Datos (6 ECTS first year and 1.5 ECTS afterwards). Second semester, 2019–2020, 2020–2021, 2021–2022, 2022–2023.

  6. Física I, Grado en Ingeniería Geológica (6 ECTS). First semester, 2021–2022, 2022–2023.

  7. Fundamentos de Física II (Electromagnetismo, 4.5 ECTS). Second semester, 2021–2022, 2022–2023.

  8. Tutor of 17 Bachelor Theses (Degree of Physics). Seven in 2016–2017 and two in 2019-2020, co-tutor of five in 2020-2021 and three in 2021-2022.

  9. Tutor of four Master Theses (Msc in Meteorology and Geophysics). February 2018, June 2019, June 2021 and June 2022.

Publications: Peer-reviewed papers (SCI)


Barriopedro D., García-Herrera R., Ordóñez C., Miralles D. G., Salcedo-Sanz S. (2023): Heat waves: Physical understanding and scientific challenges. Reviews of Geophysics, e2022RG000780. doi: 10.1029/2022RG000780.

Jia Z., Ordóñez C., Doherty R.M., Wild O., Turnock S.T., O'Connor F.M. (2023): Modulation of daily PM2.5 concentrations over China in winter by large-scale circulation and climate change. Atmospheric Chemistry and Physics, 23, 2829–2842. doi: 10.5194/acp-23-2829-2023.

Maddison J.W., Abalos M., Barriopedro D., García-Herrera R., Garrido-Perez J.M., Ordóñez C., Simpson I.R. (2023): Assessing the projected changes in European air stagnation due to climate change. Journal of Climate, 36, 917-930. doi: 10.1175/JCLI-D-22-0180.1.


García-Herrera R., Garrido-Perez J.M., Ordóñez C.(2022): Modulation of European air quality by Euro-Atlantic weather regimes. Atmospheric Research, 277, 106292. doi: 10.1016/j.atmosres.2022.106292.

Garrido-Perez J.M., Ordóñez C., Barriopedro D., García-Herrera R., Schnell J.L., Horton D.E. (2022): A storyline view of the projected role of remote drivers on summer air stagnation in Europe and the United States. Environmental Research Letters, 17, 014026. doi: 10.1088/1748-9326/ac4290.

Jia Z., Doherty R.M., Ordóñez C., Li C., Wild O., Jain S., Tang X. (2022): The impact of large-scale circulation on daily fine particulate matter (PM2.5) over major populated regions of China in winter. Atmospheric Chemistry and Physics, 22, 6471–6487. doi: 10.5194/acp-22-6471-2022.


Garrido-Perez J.M., Barriopedro D., García-Herrera R., Ordóñez C. (2021): Impact of climate change on Spanish electricity demand. Climatic Change, 165, 50. doi: 10.1007/s10584-021-03086-0.

Garrido-Perez J.M., García-Herrera R., Ordóñez C. (2021): Assessing the value of air stagnation indices to reproduce PM10 variability in Europe. Atmospheric Research, 248, 105258. doi: 10.1016/j.atmosres.2020.105258.

Maddison J.W., Abalos M., Barriopedro D., García-Herrera R., Garrido-Perez J.M., Ordóñez C. (2021): Linking air stagnation in Europe with the synoptic- to large-scale atmospheric circulation. Weather and Climate Dynamycs, 2, 675–694, doi: 10.5194/wcd-2-675-2021.


Archibald A.T., O'Connor F.M., Abraham N.L., Archer-Nicholls S., Chipperfield M.P., Dalvi M., Folberth G.A., Dennison F., Dhomse, S.S., Griffiths P.T., Hardacre C., Hewitt A.J., Hill R., Johnson C.E., Keeble J., Köhler M.O., Morgenstern O., Mulchay J.P., Ordóñez C., Pope, R.J., Rumbold S., Russo M.R., Savage N., Sellar A., Stringer M., Turnock S., Wild O., Zeng G. (2020): Description and evaluation of the UKCA stratosphere-troposphere chemistry scheme (StratTrop vn 1.0) implemented in UKESM1. Geoscientific Model Development, 13, 1223–1266. https://doi.org/10.5194/gmd-13-1223-2020.

Garrido-Perez J.M., Ordóñez C., Barriopedro D., García-Herrera R., Paredes D. (2020): Impact of weather regimes on wind power variability in western Europe. Applied Energy, 264, 114731. doi: 10.1016/j.apenergy.2020.114731.

Ordóñez C., Garrido-Perez J.M., García-Herrera R. (2020): Early spring near-surface ozone in Europe during the COVID-19 shutdown: Meteorological effects outweigh emission changes. Science of The Total Environment, 747, 141322. doi: 10.1016/j.scitotenv.2020.141322.

Sousa, P.M., Barriopedro, D., García-Herrera, R., Ordóñez, C., Soares, P.M.M., Trigo, R.M. (2020): Distinct influences of large-scale circulation and regional feedbacks in two exceptional 2019 European heatwaves. Communications Earth & Environment, 1, 48. doi: 10.1038/s43247-020-00048-9


García-Herrera R., Garrido-Perez J.M., Barriopedro D., Ordóñez C., Vicente-Serrano S.M., Nieto R., Gimeno L., Sori R., Yiou P. (2019): The European 2016/2017 drought. Journal of Climate, 32, 3169–3187. https://doi.org/10.1175/JCLI-D-18-0331.1

Garrido-Perez J.M., Ordóñez C., García-Herrera R., Schnell, J.L. (2019): The differing impact of air stagnation on summer ozone across Europe. Atmospheric Environment, 219, 117062. https://doi.org/10.1016/j.atmosenv.2019.117062.

Ordóñez C., Barriopedro D., García-Herrera R. (2019): Role of the position of the North Atlantic jet in the variability and odds of extreme PM10 in Europe. Atmospheric Environment, 210, 35-46. doi:10.1016/j.atmosenv.2019.04.045.


Archibald A.T., Ordóñez C., Brent E., Williams M.L. (2018): Potential impacts of emissions associated with unconventional hydrocarbon extraction on UK air quality and human health. Air Quality Atmosphere and Health, 11, 627–637, https://doi.org/10.1007/s11869-018-0570-8.

Ayarzagüena B., Barriopedro D., Garrido-Perez J.M., Abalos M., de la Cámara A., García-Herrera R., Calvo N., Ordóñez C. (2018): Stratospheric Connection to the Abrupt End of the 2016/2017 Iberian Drought, Geophysical Research Letters, 45, 12639–12646. doi: 10.1029/2018GL079802.

Garrido-Perez J.M., Ordóñez C., García-Herrera R., Barriopedro D. (2018): Air stagnation in Europe: spatiotemporal variability and impact on air quality, Science of the Total Environment, 645, 1238-1252. doi: 10.1016/j.scitotenv.2018.07.238


Carro-Calvo L., Ordóñez C., García-Herrera R., Schnell J.L. (2017): Spatial clustering and meteorological drivers of summer ozone in Europe. Atmospheric Environment, 167, 496-510. doi:10.1016/j.atmosenv.2017.08.050.

Garrido-Perez J.M., Ordóñez C., García-Herrera R. (2017): Strong signatures of high-latitude blocks and subtropical ridges in winter PM10 over Europe. Atmospheric Environment, 167, 49-60. doi:10.1016/j.atmosenv.2017.08.004.

Ordóñez C., Barriopedro D., García-Herrera R., Sousa P.M., Schnell J.L. (2017): Regional responses of surface ozone in Europe to the location of high-latitude blocks and subtropical ridges. Atmospheric Chemistry and Physics, 17, 3111-3131. doi: 10.5194/acp-17-3111-2017.


Gómez Martín J.C., Vömel H., Hay T.D., Mahajan A.S., Ordóñez C., Parrondo Sempere M.C., Gil-Ojeda M., Saiz-Lopez A. (2016): On the Variability of Ozone in the Equatorial Eastern Pacific Boundary Layer. Journal of Geophysical Research: Atmospheres, 121, 11086–11103. doi: 10.1002/2016JD025392.

Sherwen, T., Evans M.J., Carpenter L.J., Andrews S.J., Lidster R.T., Dix B., Koenig T.K., Sinreich R., Ortega I., Volkamer R., Saiz-Lopez A., Prados-Roman C., Mahajan A.S., Ordóñez C. (2016): Iodine's impact on tropospheric oxidants: a global model study in GEOS-Chem. Atmospheric Chemistry and Physics, 16, 1161-1186. doi: 10.5194/acp-16-1161-2016.

Sherwen T., Schmidt J.A., Evans M.J., Carpenter L.J., Großmann K., Eastham S.D., Jacob D.J., Dix B., Koenig T.K., Sinreich R., Ortega I., Volkamer R., Saiz-Lopez A., Prados-Roman C., Mahajan A. S., Ordóñez C. (2016): Global impacts of tropospheric halogens (Cl, Br, I) on oxidants and composition in GEOS-Chem. Atmospheric Chemistry and Physics, 16, 12239-12271. doi: 10.5194/acp-16-12239-2016.


Pope R.J., Chipperfiled M.P., Savage N.H., Ordóñez C., Neal L.S., Lee L.A., Dhomse S.S., Richards N.A.D., Keslake T.D. (2015): Evaluation of a regional air quality model using satellite column NO2: Treatment of observation errors and model boundary conditions and emissions. Atmospheric Chemistry and Physics, 15, 5611-5626. doi: 10.5194/acp-15-5611-2015.

Pope, R.J., Savage N.H., Chipperfield M.P., Ordóñez C., Neal, L.S. (2015): The influence of synoptic weather regimes on UK air quality: regional model studies of tropospheric column NO2. Atmospheric Chemistry and Physics, 15, 11201-11215. doi: 10.5194/acp-15-11201-2015.


Neal L.S., Agnew P., Moseley S., Ordóñez C., Savage N.H., Tilbee M. (2014): Application of a statistical post-processing technique to a gridded, operational, air quality forecast. Atmospheric Environment, 98, 385-393. doi: 10.1016/j.atmosenv.2014.09.004.

Saiz-Lopez A., Fernandez R.P., Ordóñez C., Kinnison D.E., Gómez Martín J.C., Lamarque J-F., Tilmes S. (2014): Iodine chemistry in the troposphere and its effect on ozone. Atmospheric Chemistry and Physics, 14, 13119-13143. doi: 10.5194/acp-14-13119-2014.


Gómez Martín J.C., Mahajan A.S., Hay T.D., Prados-Román C., Ordóñez C., MacDonald S.M., Plane J.M.C., Sorribas M., Gil M., Paredes Mora J.F., Agama Reyes M.V., Oram D.E., Leedham E., Saiz-Lopez A. (2013): Iodine chemistry in the eastern Pacific marine boundary layer. Journal of Geophysical Research: Atmospheres, 118, 887-904. doi: 10.1002/jgrd.50132.

Hossaini R., Mantle H., Chipperfield M.P., Montzka S.A., Hamer P., Ziska F., Quack B., Krüger K., Tegtmeier S., Atlas E., Sala S., Engel A., Bönisch H., Keber T., Oram D., Mills G., Ordóñez C., Saiz-Lopez A., Warwick N., Liang Q., Feng W., Moore F., Miller B.R., Marécal V., Richards N.A.D., Dorf M., Pfeilsticker K. (2013): Evaluating global emission inventories of biogenic bromocarbons. Atmospheric Chemistry and Physics, 13, 11819-11838. doi: 10.5194/acp-13-11819-2013.

Savage N.H., Agnew P., Davis L.S., Ordóñez C., Thorpe R., Johnson C.E., O'Connor F.M., Dalvi M. (2013): Air quality modelling using the Met Office Unified Model (AQUM OS24-26): model description and initial evaluation. Geoscientific Model Development, 6, 353-372. doi: 10.5194/gmd-6-353-2013.


Hossaini, R., Chipperfield M.P., Dhomse S., Ordóñez C., Saiz-Lopez A., Abraham N.L., Archibald A., Braesicke P., Telford P., Warwick N., Yang X., Pyle J. (2012): Modelling future changes to the stratospheric source gas injection of biogenic bromocarbons. Geophysical Research Letters, 39(20), L20813. doi: 10.1029/2012GL053401.

Mahajan, A.S., Gómez Martín J.C., Hay T.D., Royer S.-J., Yvon-Lewis S., Liu Y., Hu L., Prados-Roman C., Ordóñez C., Plane J.M.C., Saiz-Lopez A. (2012): Latitudinal distribution of reactive iodine in the Eastern Pacific and its link to open ocean sources. Atmospheric Chemistry and Physics, 12, 11609-11617. doi: 10.5194/acp-12-11609-2012.

Ordóñez C., Lamarque J.-F., Tilmes S., Kinnison D.E., Atlas E.L., Blake D.R., Sousa Santos G., Brasseur G., Saiz-Lopez A. (2012): Bromine and iodine chemistry in a global chemistry-climate model: description and evaluation of very short-lived oceanic sources. Atmospheric Chemistry and Physics, 12, 1423-1447. doi: 10.5194/acp-12-1423-2012.

Saiz-Lopez A., Lamarque J.-F., Kinnison D.E., Tilmes S., Ordóñez C., Orlando J.J., Conley A.J., Plane J.M.C., Mahajan A.S., Sousa Santos G., Atlas E.L., Blake D.R., Sander S. P., Schauffler S., Thompson A.M., Brasseur G. (2012): Estimating the climate significance of halogen-driven ozone loss in the tropical marine troposphere. Atmospheric Chemistry and Physics, 12, 3939-3949. doi: 10.5194/acp-12-3939-2012.


Elguindi, N., Clark H., Ordóñez C., Thouret V., Flemming J., Stein O., Huijnen V., Moinat P., Inness A., Peuch V.-H., Stohl A., Turquety S., Athier G., Cammas J.-P., Schultz M. (2010): Current status of the ability of the GEMS/MACC models to reproduce the tropospheric CO vertical distribution as measured by MOZAIC. Geoscientific Model Development, 3, 501-518. doi: 10.5194/gmd-3-501-2010.

Ordóñez C., Elguindi N., Stein O., Huijnen V., Flemming J., Inness A., Flentje H., Katragkou E., Moinat P., Peuch V.-H., Segers A., Thouret V., Athier G., van Weele M., Zerefos C. S., Cammas J.-P., Schultz M.G. (2010): Global model simulations of air pollution during the 2003 European heat wave. Atmospheric Chemistry and Physics, 10, 789-815. doi: 10.5194/acp-10-789-2010.


Andreani-Aksosoyoglu S., Keller J., Ordóñez C., Tinguely M., Schultz M., Prévôt A.S.H. (2008): Influence of various emission scenarios on ozone in Europe. Ecological Modelling, 217(3), 209-218. doi: 10.1016/j.ecolmodel.2008.06.022.

Tressol M., Ordonez C., Zbinden R., Brioude J., Thouret V., Mari C., Nedelec P., Cammas J.-P., Smit H., Patz H.-W., Volz-Thomas A. (2008): Air pollution during the 2003 European heat wave as seen by MOZAIC airliners. Atmospheric Chemistry and Physics, 8, 2133-2150. doi: 10.5194/acp-8-2133-2008.


Chevalier A., Gheusi F., Delmas R., Ordóñez C., Sarrat C., Zbinden R., Thouret V., Athier G., Cousin J.-M. (2007): Influence of altitude on ozone levels and variability in the lower troposphere - a ground-based study for western Europe over the period 2001-2004. Atmospheric Chemistry and Physics, 7, 4311-4326. doi: 10.5194/acp-7-4311-2007.

Liu L., Andreani-Aksoyoglu S., Keller J., Ordóñez C., Junkermann W., Hak C., Braathen G.O., Reimann S., Schultz M., Prévôt A.S.H., and I. S. A. Isaksen (2007): A photochemical modelling study of ozone and formaldehyde generation and budget in the Po basin. Journal of Geophysical Research, 112, D22303. doi: 10.1029/2006JD008172.

Liu L., Flatøy F., Ordóñez C., Braathen G. O., Hak C., Junkermann W., Andreani-Aksoyoglu S., Mellqvist J., Galle B., Prévôt A.S.H., Isaksen I.S.A. (2007): Photochemical modelling in the Po basin with focus on formaldehyde and ozone. Atmospheric Chemistry and Physics, 7, 121-137. doi: 10.5194/acp-7-121-2007.

Ordóñez C., Brunner D., Staehelin J., Hadjinicolaou P., Pyle J.A., Jonas M., Wernli H., Prévôt A.S.H. (2007): Strong influence of lowermost stratospheric ozone on lower tropospheric background ozone changes over Europe. Geophysical Research Letters, 34(7), L07805. doi: 10.1029/2006GL029113.

Steinbacher M., Zellweger C., Schwarzenbach B., Bugmann S., Buchmann B., Ordóñez C., Prevot A.S.H., Hueglin C. (2007): Nitrogen oxide measurements at rural sites in Switzerland: Bias of conventional measurement techniques. Journal of Geophysical Research, 112, D11307. doi: 10.1029/2006JD007971.


Imhof D., Weingartner E., Prévôt A.S.H., Ordóñez C., Kurtenbach R., Wiesen P., Rodler J., Sturm P., McCrae I., Ekström M., Baltensperger U. (2006): Aerosol and NOx emission factors and submicron particle number size distributions in two road tunnels with different traffic regimes. Atmospheric Chemistry and Physics, 6, 2215-2230. doi: 10.5194/acp-6-2215-2006.

Ordóñez C., Richter A., Steinbacher M., Zellweger C., Nüß H., Burrows J.P., Prévôt A.S.H. (2006): Comparison of 7 years of satellite-borne and ground-based tropospheric NO2 measurements around Milan, Italy. Journal of Geophysical Research, 111, D05310. doi: 10.1029/2005JD006305.


Hak, C., Pundt I., Trick S., Kern C., Platt U., Dommen J., Ordóñez C., Prévôt A.S.H., Junkermann W., Astorga-Lloréns C., Larsen B.R., Mellqvist J., Strandberg A., Yu Y., Galle B., Kleffmann J., Lörzer J.C., Braathen G.O., Volkamer R. (2005): Intercomparison of four different in-situ techniques for ambient formaldehyde measurements in urban air. Atmospheric Chemistry and Physics, 5, 2881-2900. doi: 10.5194/acp-5-2881-2005.

Imhof D., Weingartner E., Ordóñez C., Gehrig R., Hill M., Buchmann B., Baltensperger U. (2005): Real-world emission factors of fine and ultrafine aerosol particles for different traffic situations in Switzerland. Environmental Science & Technology, 39, 8341-8350. doi: 10.1021/es048925s.

Ordóñez C., Mathis H., Furger M., Henne S., Hüglin C., Staehelin J., Prévôt A.S.H. (2005): Changes of daily surface ozone maxima in Switzerland in all seasons from 1992 to 2002 and discussion of summer 2003. Atmospheric Chemistry and Physics, 5, 1187-1203. doi: 10.5194/acp-5-1187-2005.

Steinbacher M., Dommen J., Ordóñez C., Reimann S., Grüebler F C., Staehelin J., Prévôt A.S.H. (2005): Volatile organic compounds in the Po Basin - Part A: anthropogenic VOCs. Journal of Atmospheric Chemistry, 51, 271-291. doi: 10.1007/s10874-005-3576-1.

Steinbacher M., Dommen J., Ordóñez C., Reimann S., Grüebler F C., Staehelin J., Andreani-Aksoyoglu S., Prévôt A.S.H. (2005): Volatile organic compounds in the Po Basin - Part B: biogenic VOCs. Journal of Atmospheric Chemistry, 51, 293-315. doi: 10.1007/s10874-005-3577-0.

Participation in Funded Research and Development Projects

  1. MALONE (MeteorologicAL drivers and uncertainties in climate projections of ground-level OzoNE episodes). Contract no. PID2021-122252OB-I00. Funding agency: Ministerio de Ciencia e Innovación. Proyectos de Generación de Conocimiento 2021. PIs: C. Ordóñez & R. García-Herrera. 2022-2025.

  2. STEADY (air STagnation in the Euro-mediterranean Area: DYnamics and climate variability). Contract no. CGL2017-83198-R. Funding agency: MINECO (Ministerio de Economía, Industria y Competitividad). Funding: 141,328 €. PI: C. Ordóñez y M. Abalos. Jan 2018 - Sep 2021.

  3. Patrones atmosféricos asociados con situaciones de baja producción eólica sobre el Reino Unido y España. Funding agency: Iberdrola Renovables Energía S.A.U. PI: C. Ordóñez. 2018-2019.

  4. Estancamiento atmosférico y situaciones meteorológicas relacionadas con baja producción eólica. Funding agency: Iberdrola Renovables Energía S.A.U. PI: C. Ordóñez. 2017-2018.

  5. CAMS (Copernicus Atmosphere Monitoring Service). Funding agency: European Commission. PI: R. Engelen. 2015.

  6. UK Weather and Air Quality Forecast. Funding Agency: British Broadcast Corporation (BBC). PI: J. Hirst; R. Varley. 2012-2015.

  7. UK-AIR: UK National Air Quality Forecast. Funding agency: Department for Environment, Food & Rural Affairs (Defra). PI: P. Agnew. 2013-2015.

  8. AQUM (Air Quality in the Unified Model). Funding agency: UK Public Weather Service (PWS). PI: P. Agnew. 2008-2010 and 2012-2015.

  9. CHARLEX (Climate and HAlogen Reactivity tropicaL EXperiment). Funding agency: MCINN (Ministerio de Ciencia e Innovación, Spanish Government). PI: A. Saiz López; M. Gil. 2011-2012.

  10. GEMS (Global and regional Earth-system Monitoring using Satellite and in-situ data). Contract no. SIP4-CT-2004-516099. Funding agency: European Commission FP6. PI: T. Hollingsworth and A. Simmons. 2006-2008.

  11. ARTEMIS (Assessment and Reliability of Transport Emission Models and Inventory Systems). DGTREN Contract 1999-RD.10429. Funding agency: European Commission FP5. PI: D. Elst. 2005-2006

  12. TROZOS (TRends of OZOne in Switzerland). Funding agency: Swiss Federal Office for the Environment. PI: A. S. H. Prévôt, 2003-2004.

  13. FORMAT (Formaldehyde as a tracer of oxidation in the troposphere). Contract no. EVK2-CT-2001-00120. Funding agency: European Commission FP5. PI: G. O. Braathen. 2002-2005.

  14. YOGAM (Year Of Gas phase and Aerosol Measurements). Funding agency: Swiss Federal Office for the Environment. PI: A. S. H. Prévôt, 2002-2003.

  15. ENVIREF (Environmental Monitoring of Refugee Camps Using High-Resolution Satellite Imagery). Contract no. ENV4-CT98-0762. Funding agency: European Commission FP4. PI: O. M. Johannessen. 2000-2001.

  16. Control-Fire-Sat (Earth Observation Based Information Services for Forest Fire Management at European and Local Levels). Contract no. ENV4-CT97-0479. Funding agency: European Commission FP4. PI: A. Yagüe Ballester. 1999-2000.