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Publications

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2016

  • Maurer V., I. Bischoff-Gauß, N. Kalthoffa, L. Gantnera, R. Roca, H.-J. Panitza, 2016 Initiation of deep convection in the Sahel in a convection-permitting climate simulation for northern Africa., Q. J. R. Meteorol. Soc. 138: 000.000. DOI:10.1002/qj.1907
  • Guilloteau C, Rémy Roca, and Marielle Gosset, 2016: A Multiscale Evaluation of the Detection Capabilities of High-Resolution Satellite Precipitation Products in West Africa. J. Hydrometeor., 17, 2041–2059, doi: 10.1175/JHM-D-15-0148.1.
  • Bouniol D, Rémy Roca, Thomas Fiolleau, and D. Emmanuel Poan, 2016: Macrophysical, Microphysical, and Radiative Properties of Tropical Mesoscale Convective Systems over Their Life Cycle. J. Climate, 29, 3353–3371, doi: 10.1175/JCLI-D-15-0551.1.
  • Makris A., C. Prieur, T. Vischel, G. Quantin, T. Lebel and R. Roca (2016), Stochastic Tracking of Mesoscale Convective Systems: Evaluation in the West African Sahel. Stochastic Environmental Research and Risk Assessment, 30 (2), p. 681-691.

2015

  • Roca R, H Brogniez, P Chambon, O Chomette, S Cloché, M Gosset, JF Mahfouf, P Raberanto and N Viltard, 2015 The Megha-Tropiques mission: a review after three years in orbit, Frontiers in Atmospheric Sciences, PDF
  • Brogniez, H, G Clain and R. Roca 2015,  Validation of Upper-Tropospheric Humidity from SAPHIR on board Megha-Tropiques Using Tropical Soundings. J. Appl. Meteor. Climatol., 54, 896–908. PDF

2014

  • Chambon P, LF Meunier, F Guillaume, JM Piriou, R Roca and JF Mahfouf, 2014 Investigating the impact of the water vapour sounding observations from SAPHIR on board Megha-Tropiques into the ARPEGE global model, Q.J.R. Meteorol. Soc.. doi: 10.1002/qj.2478 PDF
  • Schröder, M., Roca, R., Picon, L., Kniffka, A., and Brogniez, H.: 2014 Climatology of free tropospheric humidity: extension into the SEVIRI era, evaluation and exemplary analysis, Atmos. Chem. Phys.  14, 11129–11148, 2014 PDF
  • Roca R. J. Aublanc, P.Chambon, T. Fiolleau, and N. Viltard, (2014) Robust observational quantification of the contribution of mesoscale convective systems to rainfall in the tropics, J Climate, 27, 4952–4958. doi: http://dx.doi.org/10.1175/JCLI-D-13-00628.1 PDF
  • Thampi, B. V. and Roca, R.: Investigation of negative cloud radiative forcing over the Indian subcontinent and adjacent oceans during the summer monsoon season, Atmos. Chem. Phys., 14, 6739-6758, doi:10.5194/acp-14-6739-2014, 2014. PDF

2013

  • Tobin, I., S. Bony, C. E. Holloway, J. Y. Grandpeix, G. Sèze, D. Coppin, S. J. Woolnough, and R. Roca (2013), Does convective aggregation need to be represented in cumulus parameterizations? J. Adv. Model. Earth Syst., 5, doi:10.1002/jame.20047 PDF
  • Schröder, Marc; Roca, Rémy (2013): Free Tropospheric Humidity from METEOSAT - 3-hourly / Monthly Means. Satellite Application Facility on Climate Monitoring. DOI:10.5676/EUM_SAF_CM/FTH_METEOSAT/V001. http://dx.doi.org/10.5676/EUM_SAF_CM/FTH_METEOSAT/V001
  • Beucher, F., Lafore, J.-P., Karbou, F. and Roca, R. (2013), High-resolution prediction of a major convective period over West Africa. Q.J.R. Meteorol. Soc.. doi: 10.1002/qj.2225 PDF
  • Kidd, C., Srinivasan, J. and Roca, R. (2013), The Megha-Tropiques mission: day 1 algorithms. Q.J.R. Meteorol. Soc., 139: 841. doi: 10.1002/qj.2201 PDF
  • Fiolleau, T. and Roca, R. (2013), Composite life cycle of tropical mesoscale convective systems from geostationary and low Earth orbit satellite observations: method and sampling considerations. Q.J.R. Meteorol. Soc., 139: 941–953. doi: 10.1002/qj.2174 PDF
  • Fiolleau T. and R. Roca, (2013), An Algorithm For The Detection And Tracking Of Tropical Mesoscale Convective Systems Using Infrared Images From Geostationary Satellite, Transactions on Geoscience and Remote Sensing, doi: 10.1109/TGRS.2012.2227762. PDF

2012

  • Chomette O, Kandel R, Raberanto P , Roca R and M Viollier, 2012, The European Experiment ScaRaB (Scanner for Radiation Budget), pp 75-80,  in GEWEX-RFA report, Eds:  Raschke, Kine and Stackhouse, WCRP Report No. 19/2012. PDF
  • Chambon P., R. Roca, I. Jobard and M. Capderou, 2012, The sensitivity of tropical rainfall estimation from satellite to the configuration of the microwave imagers constellation, Geoscience and Remote Sensing Letters, IEEE , vol.PP, no.99, pp.1-5, DOI: 10.1109/LGRS.2012.2227668 PDF
  • Lafore JP, N. Asencio, D. Bouniol, F. Couvreux, C. Flamant, F. Guichard, N. Hall, S. Janicot, C. Kocha, C. Lavaysse, S. Leroux, E. Poan, P. Peyrillé, R. Roca, R. Roehrig, F. Roux, F. Saïd, 2012, Évolution de notre compréhension du système de mousson ouest-africain, La Météorologie, DOI : 10.4267/2042/48127.
  • Eymard L., Baron C., Caniaux G.,Flamant C., Kergoat L., Karbou F., Ndione J-A., Pellarin T., Martiny N., Ramarohetra J., Vintrou E., Roca R., 2012, L'observation spatiale dans le programme AMMA, La Météorologie, DOI : 10.4267/2042/48136.
  • Tobin, I., S. Bony, et R. Roca (2012), Observational Evidence for Relationships between the Degree of Aggregation of Deep Convection, Water Vapor, Surface Fluxes, and Radiation, J. Climate, 25(20), 6885-6904, doi:doi: 10.1175/JCLI-D-11-00258.1. PDF
  • Sane Y., M. Bonazzola, C. Rio, P. Chambon, T. Fiolleau, I. Musat, F. Hourdin, R. Roca, J.-Y. Grandpeix and A. Diedhiou, 2012 An analysis of the diurnal cycle of precipitation over Dakar using local rain gauge data and a general circulation model, Q. J. R. Meteorol. Soc. DOI:10.1002/qj.1932 PDF
  • Chambon P, Jobard I, Roca R, Viltard N. 2012 An investigation of the error budget of tropical rainfall accumulation derived from merged passive microwave and infrared satellite measurements. Q. J. R. Meteorol. Soc. 138: 000.000. DOI:10.1002/qj.1907 PDF

2011 and before

  • Roca R., R. Guzman, J. Lemond, J. Meijers, L. Picon and H. Brogniez, 2011 : Tropical and extra-tropical influences on the distribution of free tropospheric humidity over the intertropical belt. Survey in Geophysics, doi:10.1007/s10712-011-9169-4 PDF
  • Lafore, J.-P., Flamant, C., Guichard, F., Parker, D. J., Bouniol, D., Fink, A. H., Giraud, V., Gosset, M., Hall, N., Höller, H., Jones, S. C., Protat, A., Roca, R., Roux, F., Saïd, F. and Thorncroft, C. , 2011 , Progress in understanding of weather systems in West Africa. Atmospheric Science Letters, 12: 7–12. doi: 10.1002/asl.335 PDF
  • Flaounas E., Janicot S., Bastin S., Roca R., and E. Mohino, 2011 , The role of the Indian monsoon onset in the West African monsoon onset: observations and AGCM nudged simulations,; Climate Dynamics,DOI: 10.1007/s00382-011-1045-x PDF
  • Jobard, I. , Chopin, F. , Berges, J. C. and Roca, R., 2011 , An intercomparison of 10-day satellite precipitation products during West African monsoon, International Journal of Remote Sensing, 32: 9, 2353  2376 PDF
  • R. Roca, Contributions à l'étude de la physique du climat tropical, Mémoire d'HDR, 66 pages PDF
  • Bergès JC , I. Jobard, F. Chopin, R. Roca , 2010 EPSAT-SG: a satellite method for precipitation estimation; its concepts and implementation for the AMMA experiment Ann. Geophys., 28, 289-308, doi:10.5194/angeo-28-289-2010 PDF
  • Roca R., P Chambon,  Jobard I, P-E Kirstetter, M Gosset, JC Bergès, 2010, Comparing Satellite and Surface Rainfall Products over West Africa at Meteorologically Relevant Scales during the AMMA Campaign Using Error Estimates, J. App. Met. Clim. Volume 49, Issue 4 , pp. 715-731. PDF
  • Sherwood, S. C., R. Roca, T. Weckwerth, and N. Andronova 2010 Tropospheric water vapor, convection and climate, Rev. Geophys., 48, RG2001, doi:10.1029/2009RG000301 PDF
  • R. Roca, Bergès J.C., Brogniez H., Capderou M., Chambon P., Chomette O., Cloché S., Fiolleau T., Jobard I., Lémond J., Ly M., Picon L., Raberanto P., Szantai A. and Viollier M., 2010 , On the Water and energy cycle in the Tropics,  C. R. Geoscience (2010), doi:10.1016/j.crte.2010.01.003 PDF
  • Brogniez H., Roca R. and L. Picon 2009 A study of the free tropospheric humidity interannual variability using Meteosat data and an advection-condensation transport model J. Climate 22, 6773-6787 PDF
  • Bielli, S., and R. Roca ,2009 , Scale decomposition of atmospheric water budget over West Africa during the monsoon 2006 from NCEP analyses, Clim Dyn, doi:10.1007/s00382-009-0597-5. PDF
  • Bergès, J. C., I. Jobard, and R. Roca, 2009 A new index to estimate precipitation using cloud growing rate, Geophys. Res. Lett., 36, L08808, doi:10.1029/2008GL036665 PDF
  • Fiolleau T, Tomasini M, Roca R, Lafore J-P, Laurent H, Lebel T, Piriou C, Ramage K. 2009. Climatology of mesoscale convective systems from satellite. AMMA-EU report, D.2.1.C.g., PDF
  • Janicot S., C. D. Thorncroft, A. Ali, N. Asencio, G. Berry, O. Bock, B. Bourles, G. Caniaux, F. Chauvin, A. Deme, L. Kergoat, J.-P. Lafore, C. Lavaysse, T. Lebel, B. Marticorena, F. Mounier, P. Nedelec, J.-L. Redelsperger, F. Ravegnani, C. E. Reeves, R. Roca, P. de Rosnay, H. Schlager, B. Sultan, M. Tomasini, A. Ulanovsky, and ACMAD forecasters team 2008 Large-scale overview of the summer monsoon over West Africa during the AMMA field experiment in 2006, Ann. Geophys., 26, 25692595 PDF
  • Roca R. 2008 Atmosphère: un monde d'air, p46-59, in Satellites and climate change, ThalesAleniaSpace editions, 144 pages, 2008 PDF
  • Desbois M., M. Capderou, L. Eymard, R. Roca, N. Viltard, M. Viollier et N. Karouche 2007 Megha-Tropiques : un satellite hydrométéorologique franco-indien, La Météorologie, pp 19-27, n° 57 PDF
  • Pierrehumbert R.T., Brogniez H. and Roca R. 2007 On the relative humidity of the Earth's atmosphere. In The General Circulation, T. Schneider and A. Sodel Eds.Princeton University Press PDF
  • Brogniez H., Roca R. and L. Picon 2006 A clear sky radiances archive from METEOSAT "water vapor" observations J. Geophys. Research, VOL. 111, D21109, doi10.10292006JD007238 PDF
  • Tomasini M, Lafore J-P, Piriou C, Roca R,Ramage K, Laurent H, MorelC, Senesi S. 2006. Atlas on a climatology of West African mesoscale convective systems. AMMA-EU report Du2.1.3.a., PDF
  • Brogniez H., Roca R. and L. Picon 2005 Evaluation of the distribution of subtropical Free Tropospheric Humidity in AMIP-2 simulations using METEOSAT Water Vapor channel data Geophys. Res. Letters, VOL. 32, L19708, doi:10.1029/2005GL024341 PDF
  • Roca R., S. Louvet, L. Picon and M. Desbois, 2005, A study of convective systems, water vapor and top of the atmosphere cloud radiative forcing over the Indian Ocean using INSAT-1B and ERBE data, Meteorology and Atmospheric Physics, DOI 10.1007/s00703-004-0098-3 PDF
  • Roca R., J-Ph. Lafore, C. Piriou and J.L. Redelsperger, 2005, Extra-tropical dry air intrusions into the West African Monsoon mid-troposphere: an important factor for the convective activity over Sahel, J. Atmos. Sci., Vol. 62, No. 2, pp. 390-407 PDF
  • Rao K. G., M. Desbois, R Roca and K. Nakamura, 2004, Upper Tropospheric drying and the "transition to break" in the Indian summer monsoon during 1999 , Geophysical Research Letters, 31, L03206, doi:10.1029/2003GL018269, 2004 PDF
  • Duvel JP, R Roca and J. Vialard, 2004, Ocean mixed layer temperature variations induced by intraseasonal convective perturbations over theIndian Ocean, J. Atmos. Sci., Vol. 61, No. 9, pp. 1004–1023. PDF
  • Gershunov A. and R. Roca, 2004, Coupling of latent heat flux and the greenhouse effect by large-scale tropical/subtropical dynamics diagnosed in a set of observations and model simulations, Clim. Dyn., doi:10.1007/s00382-003-0376-7 PDF
  • Minvielle F. G Cautenet, F. Lasserre, G. Foret, S. Cautenet, J.F. Léon, M. O. Andreae, O. L. Mayol-Bracero, R. Gabriel, P. Chazette, R. Roca., 2004, Modelling the transport of aerosols during indoex 1999 and comparison with experimental data. part 2: continental aerosols and their optical depth, Atmos. Env., 38 (12), 1811-822 doi 10.1016/J.atmosenv.2003.07.01 PDF
  • Minvielle F. G Cautenet, F. Lasserre, G. Foret, S. Cautenet, J.F. Léon, M. O. Andreae, O. L. Mayol-Bracero, R. Gabriel, P. Chazette, R. Roca, 2004, Modelling the Transport of Aerosols During Indoex 1999 and Comparison with Experimental Data. Part I: Carbonaceous Aerosol Distribution, Atmos. Env., 38 (12), 1823-1837 doi 10.1016/J.atmosenv.2003.12.033 PDF
  • Picon L, Roca R, S Serrar, JL Monge and M Desbois, 2003, A new METEOSAT water vapor archive for climate studies, J. Geophys Res., vol108, D10,10.1029/2002JD002640. PDF
  • Desbois, M., Roca, R., Eymard, L., Viltard, N., Viollier, M., Srinivasan, J., & Narayanan, S. (2003),  The Megha-Tropiques mission. In Proceedings of SPIE, Vol. 4899,  Atmospheric and Oceanic Processes, Dynamics, and Climate Change, p 172 (April 11, 2003); doi:10.1117/12.466703. PDF
  • Diongue A, Lafore JPh, Redelsperger JL, and Roca R, 2002, Simulation at cloud and synoptic scales of the whole life cycle of an a west African squall-line observed during HAPEX-Sahel: Validation and scales interactions, QJRMS, vol 128, pp 1899-1928. PDF
  • R. Roca, M. Viollier, L. Picon and M. Desbois, 2002, A multi satellite analysis of deep convection and its moist environment over the Indian Ocean during the winter monsoon, J. Geophys. Res, vol 107, No: 10.1029/2000JD000040. PDF
  • Chaboureau, J.-P., Cammas, J.-P., Mascart, P., Pinty, J.P., C. Claud, R. Roca and J.-J. Morcrette, 2000, Evaluation of a cloud system life-cycle simulated by Meso-NH during FASTEX using METEOSAT radiances and TOVS-3I cloud retrievals., QJRMS, vol 126,1735-1750. PDF
  • R. Roca and V. Ramanathan, 2000, Scale Dependant properties of Monsoonal Clouds Sytems over the Indian Ocean, Journal of Climate, vol. 13, 1286-1298. PDF
  • Pierrehumbert R.T. and R. Roca, 1998, Evidence for control of atlantic subtropical humidity by large scale advection, Geophysical Research Letters, vol. 25, pp 4537-4540. PDF
  • R. Roca, Picon L, Desbois M, Le Treut H, and Morcrette JJ , 1997, Direct comparison of METEOSAT water vapor channel and general circulation model results, Geophysical Research Letters, vol. 24, pp 147-150. PDF
  • Delage D., Roca R, Bertin F, Delcourt J, Cremieu A, Masseboeuf M, Ney R, van Velthoven P., 1997, A consistency check of three radar methods for monitoring eddy diffusion and energy dissipation rates through the tropopause. Radio Science, vol. 32, pp 757. PDF

 

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