NATAF Henri-Claude ISTerre-ObservatoryUnivGrenobleAlpes,FranceHenri-Claude.Nataf@univ-grenoble-alpes.fr63years,married,2children

Education

1986 Thèsed’Etat,UniversityParis-South,“ElementsofanatomyandphysiologyoftheEarth’smantle:seismictomographyandexperimentalconvection”

1980 Thèsede3èmecycle,UniversityParis-South,“ConvectionintheEarth’smantle:experimentalstudyoftheeffect of the lateral cooling produced by the subducting oceanic lithosphere on sub-continentalconvection”,Dissertationadvisor:C.Froidevaux

1978 MasterinPhysics(Geophysicsspecialty),UniversityParis-South

Research Positions

2011-

InstitutdesSciencesdelaTerre,UniversityofGrenoble,FranceCNRSResearchDirectorCollaborationswith:N.Schaeffer,D.Schmitt,D.Jault,T.Alboussière,P.Cardin,D.Cébron

2/2011-5/2011IREAP,UniversityofMaryland,USACNRSResearcherinresidenceCollaborationswith:D.P.Lathrop,D.Zimmerman,S.Triana

1996-2010 LaboratoiredeGéophysiqueInterneetTectonophysique,UniversityofGrenoble,FranceCNRSResearchDirectorCollaborationswith:P.Cardin,D.Brito,D.Jault,T.Alboussière,D.Schmitt

1989-1995

LaboratoiredeGéologiedel’EcoleNormaleSupérieure,Paris,FranceCNRSResearchDirector(1991-)Collaborationswith:Y.Ricard,P.Olson,V.Maupin

1991-1992InstituteofEarthSciences,UtrechtUniversity,theNetherlandsCNRSResearcherinresidenceCollaborationswith:J.VanDecar

1982-1988

LaboratoiredeGéophysiqueetGéodynamiqueInterne,UniversityParis-South,Orsay,FranceCNRSResearchAssociateCollaborationswith:J-P.Montagner

1981-1982 SeismologicalLaboratory,CaliforniaInstituteofTechnology,Pasadena,USAResearchAssistantCollaborationswith:DonL.Anderson,I.Nakanishi,T.Lay,B.Hager,R.F.Scott,E.A.Okal

1980 DepartmentofGeophysicalSciences,TheUniversityofChicago,USAResearchAssociateCollaborationswith:F.M.Richter,S.F.Daly

Main Administrative Positions

2012-2018 PresidentoftheCounciloftheObservatoryMidi-Pyrénées

2006-2010 DirectoroftheObservatoryofSciencesoftheUniverseofGrenoble

2004-2006 PresidentoftheCommissionofSpecialistsinEarthandEnvironmentScience,UniversityofGrenoble

2000-2004 PresidentoftheFrenchNationalEvaluationCommittee“Earth:physicsandchemistry”

1999-2002 DirectoroftheGraduateSchool“Earth,Universe,Environment”oftheUniversityofGrenoble

Other Service

Journals EditorofeEarthEGUJournal(2005-2008),MemberoftheEditorialBoardsof“Earth&PlanetaryScienceLetters”(1987-2007),and“PhysicsoftheEarth&PlanetaryInteriors”(1992-2015)

International Vice-PresidentoftheInternationalGroup“StudyoftheEarthDeepInterior”(1999-2003)

CNRSResearchDirectorinGeophysics

Awards

2011 PaulDoistau-ÉmileBlutetPrizeoftheFrenchAcademyofScience1997 BarrabéPrizeoftheFrenchGeologicalSociety1985 CNRSBronzemedal1981 GuinierPrizeoftheFrenchPhysicalSociety

Doctoral Research Direction

2014 Simon CABANES “Contributionsofturbulentfluctuationstotheinducedmagneticfieldinaliquidsodiumexperiment”,UniversityGrenobleAlpesThesis.(N.Schaefferco-advisor)

2009 Nadège GAGNIÈRE “ExperimentalstudyofthemagnetostrophicregimewithDTS(DervicheTourneurSodium)”,UniversityJosephFourierGrenobleThesis.

2004 Nathanaël SCHAEFFER “Instabilities,turbulenceanddynamoinashearedfluidlayerinrapidrotation”,UniversityJosephFourierGrenobleThesis.(P.Cardinadvisor)

2001 Julien AUBERT “ExperimentalandnumericalmodelsofconvectionontheEarth’score”,UniversityJosephFourierGrenobleThesis.(P.Cardinadvisor)

1998 Daniel BRITO “ExperimentalandtheoreticalapproachesofthedynamicsoftheEarth’score”,EcoleNormaleSupérieureThesis&JohnsHopkinsUniversityPhD.(P.Olsonco-advisor)

1997 Valérie EMERY “DiffractedSwavesatthebaseofthemantle:modelingdiffusionbytheheterogeneousD”layer”,EcoleNormaleSupérieureThesis.(V.Maupinco-advisor)

1996 JI Ying “Diffractiontomographyanddetectionofplumesinthelowermantle”,EcoleNormaleSupérieureThesis.

1995 Bruno LAFAURIE “Modelingconvectionbyalattice-gasmethodandinterfacetrackingtechnique”,EcoleNormaleSupérieureThesis.(S.Zaleskiadvisor)

1993 Sylvain HOUARD “StructureoftheD”layer,studyofthecausticofthePKPwaves”,UniversityParis6Thesis.

1992 Philippe CARDIN “AspectsofconvectionintheEarth:couplingoftheupperandlowermantles,thermalconvectionintheliquidcore”,UniversityParis6Thesis.(P.Olsonco-advisor)

1989 Valérie ANSEL “Mantleanisotropydeducedfromshearwavesplitting”,UniversityParis-SouthThesis.

Main Research Achievements

Core dynamics, MHD and dynamo

* first experimental observation of torsional Alfvén waves * introduction of τ - l diagrams for turbulence in planetary cores * experimental discovery of negative turbulent magnetic diffusivity * co-invention of Modal Acoustic Velocimetry * first experiment exploring the magnetostrophic regime * experimental evidence of zonal motions in rotating convection

Seismology * diffraction tomography and detection of mantle plumes * characteristics of the D” discontinuity * first tomographic anisotropic model of the upper mantle

Mantle dynamics, viscous fluid dynamics

* properties of convection with temperature-dependent viscosity

Main Courses Taught

Core dynamics, MHD and dynamo * core dynamics and dynamo (Master and PhD levels)

Seismology * seismic waves and modes (Bachelor and Master levels) * properties of the D” layer (post-doctoral Les Houches) * exploration geophysics (Bachelor level)

Mantle dynamics * geochemistry and mantle convection (Master level and PhD levels)

Geophysics * Earth dynamics, Physics of the Earth (Master level)

Books and Chapters

2015 NatafH-C.andN.Schaeffer,Turbulenceinthecore,inTreatiseonGeophysics,secondEdition,Vol.8CoreDynamics,P.OlsonandG.SchubertEds,ElsevierB.V.,p.161-181,2015.

2000 NatafH-C.etJ.Sommeria,coordinators,LaphysiqueetlaTerre,CollectionCroiséedesSciences,Belin-CNRS-Editions,144pp.

1998 JolivetL.etH-C.Nataf,Géodynamique,CollectionGeosciences,Dunod,226pp,Paris.

Articles in Refereed Journals

KaplanE.J.,H-C.NatafandN.Schaeffer,DynamicdomainsofDTS:simulationsofasphericalmagnetizedCouetteflow,Phys.Rev.Fluids,3,034608,2018.

SchaefferN.,D.Jault,H-C.NatafandA.Fournier,Turbulentgeodynamosimulations:aleaptowardsEarth’score,Geophys.J.Int.,211,1–29,2017.

CabanesS.,N.SchaefferandH-C.Nataf,Turbulencereducesmagneticdiffusivityinaliquidsodiumexperiment,PhysicalReviewLetters,113,184501,2014+Erratum,Phys.Rev.Lett.,115,189901,2015.

CabanesS.,N.SchaefferandH-C.Nataf,MagneticinductionanddiffusionmechanismsinaliquidsodiumsphericalCouetteexperiment,Phys.Rev.E,90,043018,2014.

TrianaS.A.,D.S.Zimmerman,H-C.Nataf,A.Thorette,V.LekicandD.P.Lathrop,Helioseismologyinabottle:Modalacousticvelocimetry,NewJournalofPhysics,16,113005,2014.

ZimmermanD.S.,S.A.Triana,H-C.NatafandD.P.Lathrop,Aturbulent,highmagneticReynoldsnumberexperimentalmodelofEarth’score,J.Geophys.Res.SolidEarth,119,doi:10.1002/2013JB010733,2014.

H-C.Nataf,MagneticinductionmapsinamagnetizedsphericalCouetteflowexperiment,ComptesRendusPhysique,14,248-267,2013.

FigueroaA.,N.Schaeffer,H-C.NatafandD.Schmitt,ModesandinstabilitiesinmagnetizedsphericalCouetteflow,J.FluidMech.,716,445-469,2013.

SchmittD.,P.Cardin,P.LaRizzaandH-C.Nataf,Magneto-CoriolisWavesinasphericalCouetteflowexperiment,EuropeanJ.Mech.,B/Fluids,37,10-22,2013.

BritoD.,T.Alboussière,P.Cardin,N.Gagnière,D.Jault,P.LaRizza,J-P.Masson,H-C.NatafandD.Schmitt,Zonalshearandsuper-rotationinamagnetizedsphericalCouetteflowexperiment,Phys.Rev.E,83,066310,2011.

NatafH-C.andN.Gagnière,Onthepeculiarnatureofturbulenceinplanetarydynamos,CompteRendusPhysique,9,702-710,2008.

SchmittD.,T.Alboussière,D.Brito,P.Cardin,N.Gagnière,D.Jault,andH-C.Nataf,RotatingsphericalCouetteflowinadipolarmagneticfield:experimentalstudyofmagneto-inertialwaves,J.FluidMech.,604,175-197,2008.

NatafH-C.,T.Alboussière,D.Brito,P.Cardin,N.Gagnière,D.Jault,andD.Schmitt,RapidlyrotatingsphericalCouetteflowinadipolarmagneticfield:anexperimentalstudyofthemeanaxisymmetricflow,Phys.EarthPlanet.Inter.,170,60-72,2008.

GilletN.,D.Brito,D.JaultandH-C.Nataf,Experimentalandnumericalstudiesofconvectioninarapidlyrotatingsphericalshell,JournalofFluidMechanics,580,83-123,2007.

GilletN.,D.Brito,D.JaultandH-C.Nataf,Experimentalandnumericalstudiesofmagnetoconvectioninarapidlyrotatingsphericalshell,JournalofFluidMechanics,580,123-143,2007.

NatafH-C.,T.Alboussière,D.Brito,P.Cardin,N.Gagnière,D.Jault,J-P.MassonandD.Schmitt,Experimentalstudyofsuper-rotationinamagnetostrophicsphericalCouetteflow,GeophysicalandAstrophysicalFluidDynamics,100,281-298,2006.

NatafH-C.,Dynamoandconvectionexperiments,inEarth'scoreandlowermantle(Eds.C.A.Jones,A.M.SowardandK.Zhang),TaylorandFrancis,pp153-179,2003.

CardinP.,D.Brito,D.Jault,H-C.NatafandJ.-P.Masson,Towardsarapidlyrotatingliquidsodiumdynamoexperiment,Magnetohydrodynamics,38,177-189,2002.

BritoD.,H-C.Nataf,Ph.Cardin,J.AubertandJ-PMasson,UltrasonicDopplervelocimetryinliquidgallium,ExperimentsinFluids,31,653-663,2001.

AubertJ.,D.Brito,Ph.Cardin,H-C.NatafandJ-P.Masson,Asystematicexperimentalstudyofrapidlyrotatingsphericalconvectioninwaterandgallium,Phys.EarthPlanet.Inter.,128,51-74,2001.

NatafH-C.,Seismicimagingofmantleplumes,Ann.Rev.EarthPlanet.Sci,28,391-417,2000.NatafH-C.,Innercoretakesanotherturn,(newsandviews),Nature,405,411-412,2000.EmeryV.,V.MaupinandH.-C.Nataf,ScatteringofSwavesdiffractedatthecore-mantleboundary:forwardmodelling,

Geophys.J.Int.,139,325-344,1999.JiYingandH-C.Nataf,Detectionofmantleplumesinthelowermantlebydiffractiontomography:Hawaii,EarthPlanet.Sci.

Lett.,159,99-115,1998.JiYingandH-C.Nataf,Detectionofmantleplumesinthelowermantlebydiffractiontomography:theory,EarthPlanet.Sci.

Lett.,159,87-98,1998.NatafH-C.andY.Ricard,3SMAC:anaprioritomographicmodeloftheuppermantlebasedongeophysicalmodeling,Phys.

EarthPlanet.Inter.,95,101-122,1996.RicardY.,H-C.NatafandJ-P.Montagner,Thethree-dimensionalseismologicalmodelaprioriconstrained:confrontationwith

seismicdata,J.Geophys.Res.,101,8457-8472,1996.BritoD.,Ph.Cardin,H-C.NatafandP.Olson,ExperimentsonJouleheatingandthedissipationofenergyintheEarth'score,

Geophys.J.Int.,127,339-347,1996.BritoD.,Ph.Cardin,H-C.NatafandG.Marolleau,Experimentalstudyofageostrophicvortexofgalliuminatransverse

magneticfield,Phys.EarthPlanet.Inter.,91,77-98,1995.BusseF.,U.Christensen,R.Clever,L.Cserepes,C.Gable,E.Giannandrea,L.Guillou,G.Houseman,H-C.Nataf,M.Ogawa,M.

Parmentier,C.SotinandB.Travis,3DconvectionatinfinitePrandtlnumberinCartesiangeometry-abenchmarkcomparison,Geophys.Astrophys.FluidDyn.,75,39-59,1994.

NatafH-C.andJ.VanDecar,Seismologicaldetectionofamantleplume?,Nature,364,115-120,1993.HouardS.,H-C.Nataf,LaterallyvaryingreflectoratthetopofD"beneathnorthernSiberia,Geophys.J.Int.,115,168-182,1993.

NatafH-C.,S.Houard,SeismicdiscontinuityatthetopofD":aworld-widefeature?,Geophys.Res.Lett.,20,2371-2374,1993.HouardS.,J-L.Plantet,J-P.MassotandH-C.Nataf,AmplitudesofcorewavesnearthePKPcaustic,fromnuclearexplosionsin

theSouthPacificrecordedattheL.D.G.network,inFrance,Bull.Seis.Soc.Am.,83,1835-1854,1993.HouardS.andH-C.Nataf,Furtherevidenceforthe'Laydiscontinuity'beneathnorthernSiberiaandtheNorthAtlanticfrom

short-periodP-wavesrecordedinFrance,Phys.EarthPlanet.Inter.,72,264-275,1992.NatafH-C.,Mantleconvection,plates,andhotspots,Tectonophysics,187,361-371,1991.CardinPh.,H-C.NatafandPh.Dewost,Thermalcouplinginlayeredconvection:evidenceforaninterfaceviscositycontrol,from

mechanicalexperimentsandmarginalstabilityanalysis,J.Phys.II,1,599-622,1991.CardinPh.andH-C.Nataf,Non-lineardynamicalcouplingobservednearthethresholdofconvectioninatwo-layersystem,

EurophysicsLett.,14,655-660,1991. AnselV.andH-C.Nataf,Anisotropybeneath9stationsoftheGeoscopebroadbandnetworkasdeducedfromshear-wave

splitting,Geophys.Res.Lett.,16,409-412,1989.MontagnerJ.-PandH-C.Nataf,Vectorialtomography-I.Theory,Geophys.J.,94,295-307,1988.NatafH-C.,S.MorenoandPh.Cardin,Whatisresponsibleforthermalcouplinginlayeredconvection?,J.Phys.France,49,

1707-1714,1988.MontagnerJ.-P.andH-C.Nataf,Asimplemethodforinvertingtheazimuthalanisotropyofsurfacewaves,J.Geophys.Res.,91,

511-520,1986.NatafH-C.,I.NakanishiandDonL.Anderson,Measurementsofmantlewavevelocitiesandinversionforlateralheterogeneities

andanisotropy.3.Inversion,J.Geophys.Res.,91,7261-7307,1986.NatafH-C.,I.NakanishiandDonL.Anderson,Anisotropyandshear-velocityheterogeneitiesintheuppermantle,Geophys.Res.

Lett.,11,109-112,1984.NatafH-C.,B.H.HagerandR.F.Scott,Convectionexperimentsinacentrifugeandthegenerationofplumesinaveryviscous

fluid,AnnalesGeophysicae,2,303-310,1984.RichterF.M.,H-C.NatafandS.F.Daly,Heattransferandhorizontallyaveragedtemperatureofconvectionwithlargeviscosity

variations,J.FluidMech.,129,173-192,1983.NatafH-C.andF.M.Richter,Convectionexperimentsinfluidswithhighlytemperaturedependentviscosityandthethermal

evolutionoftheplanets,Phys.EarthPlanet.Int.,29,320-329,1982.RichterF.M.,S.F.DalyandH-C.Nataf,Aparameterizedmodelfortheevolutionofisotopicheterogeneitiesinaconvecting

system,EarthPlanet.Sci.Lett.,60,178-194,1982.FroidevauxC.andH-C.Nataf,Continentaldrift:whatdrivingmechanism?,GeologischeRundschau,70,166-176,1981.NatafH-C.,C.Froidevaux,J.-L.LevratandM.Rabinowicz,Laboratoryconvectionexperiments:theeffectoflateralcoolingand

generationofinstabilitiesinthehorizontalboundarylayers,J.Geophys.Res.,86,6143-6154,1981.NatafH-C.,T.Lay,DonL.AndersonandE.A.Okal,ReassesmentofareportedS-delayunderTrinidade,Geophys.Res.Lett.,8,

1027-1030,1981.updatedJuly2018