乐会军 - 中国科学院地球物理研究所 -

个人简介

乐会军，博士，研究员，国家优秀青年基金获得者。主要从事电离层及中高层大气物理研究，主要研究领域为空间天气事件中电离层空间环境扰动的分析及模拟。2004年毕业于武汉大学物理学院，2009年于中科院地质与地球物理研究所获空间物理学博士学位。目前在国内外发表SCI论文68篇（第一作者及通讯作者22篇）,SCI引用1021次。曾主持博士后基金、自然科学基金青年基金项目、自然科学基金面上项目、自然基金委优秀青年基金、国家重点研发计划课题等科研项目。 ResearchID：A-1448-2012 ResearchGate(Lehuijun) 2004年6月毕业于武汉大学，电子科学与技术专业，获学士学位 2009年6月毕业于中国科学院地质与地球物理研究所，获空间物理学博士学位。 2009年6月—2011年12月，中科院地质与地球物理所博士后。 2009年12月—2010年6月，在台湾中央大学太空科学所访问交流。 2012年1月—2018年12月，中科院地质与地球物理所副研究员 2019年1月至今，中科院地质与地球物理所研究员学科类别：空间物理学承担科研项目情况：《地球物理探测卫星数据分析处理技术与地震预测应用研究》，国家重点研发计划课题，2018.12-2021.12. 《基于电离层数据同化提取热层信息并研究其长期及气候学变化》，国家自然基金委面上项目，2018.1-2021.12 《电离层空间天气》，国家自然基金委优秀青年基金，2019.1-2021.12 《电离层热层对太阳耀斑的耦合响应》，国家自然基金委面上项目，2014.1-2017.12 《热层及电离层耀斑响应的统计和模拟研究》，国家自然基金委青年科学基金，2011.1-2013.12 《电离层及热层大气对日食响应研究》，中国博士后基金一等资助，2010.1-2011.12 《电离层及热层大气对日食响应研究》，中国博士后基金特别资助，2011.1-2012.12。获奖及荣誉： 2007年第十二届全国日地空间物理学术讨论会优秀青年论文奖 2009年中科院院长优秀奖 2010年中科院优秀博士论文提名奖 2014年入选中科院青年创新促进会 2017年中国地球物理学会傅承义青年科技奖 2017年中国地震局防震减灾优秀成果二等奖（排名第9） 2018年国家自然科学基金“优秀青年科学基金”

研究领域

电离层空间天气学，包括地球电离层空间环境、行星空间环境、电离层数值模拟及数据同化等。

近期论文

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Le,H.,N.Yang,L.Liu,Y.Chen,andH.Zhang(2017),Thelatitudinalstructureofnight-timeionosphericTECanditsempiricalorthogonalfunctionsmodeloverNorthAmericansector,J.Geophys.Res.SpacePhysics,122,963–977,doi:10.1002/2016JA023361. Le,H.,Liu,L.,Ren,Z.,Chen,Y.,andZhang,H.,Wan.,W.(2016),Amodelingstudyofglobalionosphericandthermosphericresponsestoextremesolarflare,JournalofGeographysicsResearch-SpacePhysics,121,832–840,doi:10.1002/2015JA021930. Le,H.,Liu,L.,Ren,Z.,Hu.,L,Chen,Y.,andWan.,W.,(2016),Anionosphericassimilationmodelalongameridianplane,JournalofAtmosphericandSolar-TerrestrialPhysics,148,125-135. LeHuijun,JingLiu,BiqiangZhao,LiboLiu(2015),RecentprogressinionosphericearthquakeprecursorstudyinChina:Abriefreview,JournalofAsianEarthSciences,114,420-430 LeHuijun,ZhipengRen,LiboLiu,YidingChenandHuiZhang(2015),Globalthermosphericdisturbancesinducedbyasolarflare:amodelingstudy,EarthPlanetsandSpace,67,3,DOI10.1186/s40623-014-0166-y LeHuijun,LiboLiu,YidingChen,HuiZhang,andWeixingWan(2014),ModelingstudyofnighttimeenhancementsinFregionelectrondensityatlowlatitudes,J.Geophys.Res.,119,6648–6656,doi:10.1002/2013JA019295. LeHuijun,LiboLiu,Jann-YengLiu,BiqiangZhao,YidingChen,WeixingWan(2013),TheionosphericanomaliespriortotheM9.0Tohoku-Okiearthquake,JournalofAsianEarthSciences,62,476–484. LeHuijun,L.Liu,Y.Chen,andW.Wan(2013),Statisticalanalysisofionosphericresponsestosolarflaresinthesolarcycle23,J.Geophys.Res.,118,576–582,doi:10.1029/2012JA017934. LeHuijun,L.Liu,andW.Wan(2012),Ananalysisofthermosphericdensityresponsetosolarflaresduring2001–2006,J.Geophys.Res.,117,A03307,doi:10.1029/2011JA017214. LeHuijun,Liu,J.Y.,Liu,L.(2011).Astatisticalanalysisofionosphericanomaliesbefore736M6.0+earthquakesduring2002–2010.JournalofGeophysicalResearch116,A02303,doi:10.1029/2010JA015781. LeHuijun,L.Liu,H.He,andW.Wan(2011),StatisticalanalysisofsolarEUVandX-rayfluxenhancementsinducedbysolarflaresanditsimplicationtoupperatmosphere,J.Geophys.Res.,116,A11301,doi:10.1029/2011JA016704. LeHuijun,L.Liu,andY.Chen(2011),Commentonthepaper"TotalsolareclipseofJuly22,2009:ItsimpactonthetotalelectroncontentandionosphericelectrondensityintheIndianzone"bySharmaetal,J.Atmos.Solar-Terr.Phys.,73,2034-2038. LeHuijun,L.Liu,F.Ding,Z.Ren,Y.Chen,W.Wan,B.Ning,G.Xu,M.Wang,G.Li,B.Xiong,,andL.Hu(2010),ObservationsandmodelingoftheionosphericbehaviorsovertheeastAsiazoneduringthe22July2009solareclipse,J.Geophys.Res.,115,A10313,doi:10.1029/2010JA015609. LeHuijun,L.Liu,X.Yue,W.Wan,andB.Ning(2009),Latitudinaldependenceoftheionosphericresponsetosolareclipse,J.Geophys.Res.,114,A07308,doi:10.1029/2009JA014072. LeHuijun,L.Liu,X.Yue,andW.Wan(2009),Theionosphericbehaviorinconjugatehemispheresduringthe3October2005solareclipse,Ann.Geophys.,27,179–184. LeHuijun,L.Liu,X.Yue,andW.Wan(2008),Theionosphericresponsestothe11August1999solareclipse:Observationsandmodeling,Ann.Geophys.,26,107–116,doi:10.5194/angeo-26-107-2008. LeHuijun,L.Liu,X.Yue,andW.Wan(2008),Themid‐latitudeF2layerduringsolareclipses:Observationsandmodeling,J.Geophys.Res.,113,A08309,doi:10.1029/2007JA013012. LeHuijun,L.Liu,B.Chen,J.Lei,X.Yue,andW.Wan(2007),Modelingtheresponsesofthemiddlelatitudeionospheretosolarflares,J.Atmos.Sol.Terr.Phys.,69,1587–1598,doi:10.1016/j.jastp.2007.06.005. Liu,J.Y.,*H.Le,Y.I.Chen,C.H.Chen,L.Liu,W.Wan,Y.Z.Su,Y.Y.Sun,C.H.Lin,andM.Q.Chen(2011),ObservationsandsimulationsofseismoionosphericGPStotalelectroncontentanomaliesbeforethe12January2010M7Haitiearthquake,J.Geophys.Res.,116,A04302,doi:10.1029/2010JA015704. Yang,N.,*Le,H.,Liu,L.,Zhang,R.,(2018)StatisticalbehaviorofthelongitudinalvariationsoftheeveningtopsidemidlatitudetroughpositioninbothNorthernandSouthernHemispheres,JournalofGeophysicalResearch:SpacePhysics,123,3983–3997.https://doi.org/10.1029/2017JA025048 YangNa,*LeHuijun,LiuLibo(2015),Statisticalanalysisofionosphericmid-latitudetroughovertheNorthernHemispherederivedfromGPStotalelectroncontentdata,EarthPlanetsandSpace,67,196,DOI10.1186/s40623-015-0365-1 YangN.,*LeHuijun,L.Liu(2016),Statisticalanalysisofthemid？latitudetroughpositionduringdifferentcategoriesofmagneticstormsanddifferentstormintensities,EarthPlanetsandSpace,68,171,Doi:10.1186/s40623-016-0554-6. Balan,N.,Liu,L.,andLe,H.,(2018),Abriefreviewofequatorialionizationanomalyandionosphericirregularities.EarthPlanet.Phys.,2(4),257–275.http://doi.org/10.26464/epp2018025 Balan,N.,Li,Q.,Liu,L.,Le,H.,(2018),Anintroductiontoequatorialelectrodynamicsandareviewofanadditionallayeratlowlatitudes,JournalofAtmosphericandSolar-TerrestrialPhysics, Lei,J.,Dang,T.,Wang,W.,Burns,A.,Zhang,B.,&Le,H.(2018).Long-lastingresponseoftheglobalthermosphereandionospheretothe21August2017solareclipse.JournalofGeophysicalResearch:SpacePhysics,123,4309–4316.https://doi.org/10.1029/2018JA025460 Chen,Y.,Liu,L.,Le,H.&Wan,W.,(2018),Responsesofsolarirradianceandtheionospheretoanintenseactivityregion,JournalofGeophysicalResearch:SpacePhysics,123,2116–2126.https://doi.org/10.1002/2017JA024765 Li,Q.,L.Liu,N.Balan,H.Huang,R.Zhang,Y.ChenandH.Le,(2018),Longitudinalstructureofthemid-latitudeionosphereusingCOSMICelectrondensityprofiles,JournalofGeophysicalResearch:SpacePhysics,123,8766–8777.https://doi.org/10.1029/2017JA024927. Tang,D.,Lei,J.,Wang,W.,Zhang,B.,Le,H.,Burns,A.,Wu,Q.,Ruan,H.,Dou,X.,Wan,W.(2018),GlobalResponsesoftheCoupledThermosphereandIonosphereSystemtotheAugust2017GreatAmericanSolarEclipse,JournalofGeophysicalResearch:SpacePhysics,123,7040–7050.https://doi.org/10.1029/2018JA025566 Zhang,R.,Liu,L.,Balan,N.,Le,H.,Chen,Y.,&Zhao,B.(2018).Equatorialionosphericdisturbancefield-alignedplasmadriftsobservedbyC/NOFS.JournalofGeophysicalResearch:SpacePhysics,123,4192–4201.https://doi.org/10.1029/2018JA025273 Zhang,R.,L.Liu,H.Le,andY.Chen(2017),Equatorialionosphericelectrodynamicsduringsolarflares,Geophys.Res.Lett.,44,4558–4565,doi:10.1002/2017GL073238. Chen,Y.,L.Liu,H.Le,W.Wan,andH.Zhang(2017),TheeffectofzonalwindreversalaroundsunsetonionosphericinterhemisphericasymmetryatMarchequinoxofasolarmaximumyear2000,J.Geophys.Res.SpacePhysics,122,4726–4735,doi:10.1002/2017JA023874. Kuai,J.,L.Liu,J.Lei,J.Liu,B.Zhao,Y.Chen,H.Le,Y.Wang,andL.Hu(2017),RegionaldifferencesoftheionosphericresponsetotheJuly2012geomagneticstorm,J.Geophys.Res.SpacePhysics,122,4654–4668,doi:10.1002/2016JA023844. Liu,L.,H.Liu,H.Le,Y.Chen,Y.-Y.Sun,B.Ning,L.Hu,W.Wan,N.Li,andJ.Xiong(2017),MesospherictemperaturesestimatedfromthemeteorradarobservationsatMohe,China,J.Geophys.Res.SpacePhysics,122,2249–2259,doi:10.1002/2016JA023776. Liu,L.,H.Liu,Y.Chen,H.Le,Y.-Y.Sun,B.Ning,L.Hu,andW.Wan(2017),VariationsofthemeteorechoheightsatBeijingandMohe,China,J.Geophys.Res.SpacePhysics,122,1117–1127,doi:10.1002/2016JA023448. Chen,Y.,L.Liu,H.Le,W.Wan,andH.Zhang(2016),Equatorialionizationanomalyinthelow-latitudetopsideionosphere:Localtimeevolutionandlongitudinaldifference,J.Geophys.Res.SpacePhysics,121,7166–7182,doi:10.1002/2016JA022394. Chen,Y.,L.Liu,H.Le,W.Wan,andH.Zhang(2016),Theglobaldistributionofthedusk-to-nighttimeenhancementofsummerNmF2atsolarminimum,J.Geophys.Res.SpacePhysics,121,7914–7922,doi:10.1002/2016JA022670. Huang,H.,L.Liu,Y.Chen,H.Le,andW.Wan(2016),AglobalpictureofionosphericslabthicknessderivedfromGIMTECandCOSMICradiooccultationobservations,J.Geophys.Res.SpacePhysics,121,867–880,doi:10.1002/2015JA021964. Kuai,J.,L.Liu,J.Liu,S.Sripathi,B.Zhao,Y.Chen,H.Le,andL.Hu(2016),Effectsofdisturbedelectricfieldsinthelowlatitudeandequatorialionosphereduringthe2015St.Patrick'sDaystorm,J.Geophys.Res.SpacePhysics,121,9111–9126,doi:10.1002/2016JA022832. Zhang,R.,L.Liu,H.Le,andY.Chen(2016),EvidenceandeffectsofthesunriseenhancementoftheequatorialverticalplasmadriftintheFregionionosphere,J.Geophys.Res.SpacePhysics,121,4826–4834,doi:10.1002/2016JA022491. Zhang,H.,etal.(2016),Alfvénwingsinthelunarwake:Theroleofpressuregradients,J.Geophys.Res.SpacePhysics,121,10,698–10,711,doi:10.1002/2016JA022360. ChenYiding,LiuLibo,LeHuijun,WanWeixing,ZhangHui(2015),Dusk-to-nighttimeenhancementofmid-latitudeNmF2inlocalsummer:inter-hemisphericasymmetryandsolaractivitydependence,,Ann.Geophys.,33,711–718,doi:10.5194/angeo-33-711-2015 ChenYiding,LiuLibo,LeHuijun,Zhanghui(2015),DiscrepantresponsesoftheglobalelectroncontenttothesolarcycleandsolarrotationvariationsofEUVirradiance,EarthPlanetsandSpace,67,80,DOI10.1186/s40623-015-0251-x. ChenYiding,LiuLibo,LeHuijun,WanWeixing,ZhangHui(2015),NmF2enhancementduringionosphericF2regionnighttime:AstatisticalanalysisbasedonCOSMICobservationsduringthe2007–2009solarminimum,J.Geophys.Res.SpacePhysics,120,10,083–10,095,doi:10.1002/2015JA021652. Huang,He,YidingChen,LiboLiu,HuijunLe,andWeixingWan(2015),Anempiricalmodelofthetopsideplasmadensityaround600kmbasedonROCSAT-1andHinotoriobservations,J.Geophys.Res.SpacePhysics,120,4052–4063,doi:10.1002/2014JA020940. KuaiJiawei,L.Liu,J.Liu,B.Zhao,Y.Chen,H.Le,andW.Wan(2015),Thelong-durationpositivestormeffectsintheequatorialionosphereoverJicamarca,J.Geophys.Res.SpacePhysics,120,1311–1324,doi:10.1002/2014JA020552. Zhang,R.,L.Liu,Y.Chen,andH.Le(2015),Thedawnenhancementoftheequatorialionosphericverticalplasmadrift,J.Geophys.Res.SpacePhysics,120,10688–10697,doi:10.1002/2015JA021972. ZhuChangBo,H.Zhang,Y.S.Ge,Z.Y.Pu,W.L.Liu,W.X.Wan,L.B.Liu,Y.D.Chen,H.J.Le,andY.F.Wang(2015),Dipoletiltangleeffectonmagneticreconnectionlocationsonthemagnetopause,J.Geophys.Res.SpacePhysics,120,doi:10.1002/2015JA020989. ChenYiding,LiuLibo,LeHuijun,WanWeixing(2014),HowdoesionosphericTECvaryifsolarEUVirradiancecontinuouslydecreases?EarthPlanetsandSpace,66,52,DOI:10.1186/1880-5981-66-52. ChenYiding,LiuLibo,LeHuijun,WanWeixing(2014),Geomagneticactivityeffectontheglobalionosphereduringthe2007-2009deepsolarminimum,J.Geophys.Res.SpacePhysics,119,3747-3754,DOI:10.1002/2013JA019692. LiuLibo,HeHuang,YidingChen,HuijunLe,BaiqiNing,WeixingWan,andHuiZhang(2014),Derivingtheeffectivescaleheightinthetopsideionospherebasedonionosondeandsatelliteinsituobservations,J.Geophys.Res.SpacePhysics,119,8472–8482,doi:10.1002/2014JA020505. LiuLibo,Y.Chen,H.Le,B.Ning,W.Wan,J.Liu,L.Hu(2013),AcasestudyofpostmidnightenhancementinF-layerelectrondensityoverSanyaofChina,J.Geophys.Res.SpacePhysics,118,4640–4648,doi:10.1002/jgra.50423. RenZhipeng,W.Wan,L.Liu,H.Le,andM.He(2012),Simulatedmidlatitudesummernighttimeanomalyinrealisticgeomagneticfields,J.Geophys.Res.,117,A03323,doi:10.1029/2011JA017010. LiuLibo,J.Yang,H.Le,Y.Chen,W.Wan,andC.-C.Lee(2012),ComparativestudyoftheequatorialionosphereoverJicamarcaduringrecenttwosolarminima,J.Geophys.Res.,117,A01315,doi:10.1029/2011JA017215. RenZhipeng,W.Wan,L.Liu,andH.Le(2012),TIME3D-IGGCAS:Anewthree-dimensionmid-andlow-latitudetheoreticalionosphericmodelinrealisticgeomagneticfields,J.Atmos.Sol.Terr.Phys.,80,258-266,doi:10.1016/j.jastp.2012.02.001. ZhaoBiqiang,W.Wan,B.Reinisch,X.Yue,H.Le,J.Liu,andB.Xiong(2011),FeaturesoftheF3layerinthelow-latitudeionosphereatsunset,J.Geophys.Res.,116,A01313,doi:10.1029/2010JA016111. XiongBo,W.Wan,L.Liu,P.Withers,B.Zhao,B.Ning,Y.Wei,H.Le,Z.Ren,Y.Chen,M.He,andJ.Liu(2011),IonosphericresponsetotheX-classsolarflareon7September2005,J.Geophys.Res.,116,A11317,doi:10.1029/2011JA016961. RenZhipeng,W.Wan,L.Liu,Y.Chen,andH.Le(2011),EquinoctialasymmetryofionosphericverticalplasmadriftsanditseffectonF-regionplasmadensity,J.Geophys.Res.,116,A02308,doi:10.1029/2010JA016081. LiuLibo,Y.Chen,H.Le,V.I.Kurkin,N.M.Polekh,andC.-C.Lee(2011),Theionosphereunderextremelyprolongedlowsolaractivity,J.Geophys.Res.,116,A04320,doi:10.1029/2010JA016296. LiuLibo,H.Le,Y.Chen,M.He,W.Wan,andX.Yue(2011),Featuresofthemiddle-andlow-latitudeionosphereduringsolarminimumasrevealedfromCOSMICradiooccultationmeasurements,J.Geophys.Res.,116,A09307,doi:10.1029/2011JA016691. HeMaosheng,L.Liu,W.Wan,B.Ning,B.Zhao,J.Wen,X.Yue,andH.Le(2009),AstudyoftheWeddellSeaAnomalyobservedbyFORMOSAT-3/COSMIC,J.Geophys.Res.,114,A12309,doi:10.1029/2009JA014175. DingFeng,W.Wan,B.Ning,L.Liu,H.Le,G.Xu,M.Wang,G.Li,Y.Chen,Z.Ren,B.Xiong,L.Hu,X.Yue,B.Zhao,F.Li,andM.Yang(2010),GPSTECresponsetothe22July2009totalsolareclipseinEastAsia,J.Geophys.Res.,115,A07308,doi:10.1029/2009JA015113. ChenYiding,L.Liu,andH.Le(2008),Solaractivityvariationsofnighttimeionosphericpeakelectrondensity,J.Geophys.Res.,113,A11306,doi:10.1029/2008JA013114. LiuLibo,H.Le,W.Wan,M.P.Sulzer,J.Lei,andM.-L.Zhang(2007),AnanalysisofthescaleheightsinthelowertopsideionospherebasedontheAreciboincoherentscatterradarmeasurements,J.Geophys.Res.,112,A06307,doi:10.1029/2007JA012250. YangJun,LiuLibo,ChenYiding,LeHuijun(2012)Doestheequatorialionosphericpeakelectrondensityreallyrecordthelowestduringtherecentdeepsolarminimum?ChineseJournalofGeophysicsVol.55,No.5,2012,pp:457–465. 杨君,刘立波,陈一定,乐会军(2012)．赤道地区电离层foF2在第23/24太阳活动周极低年期间创造了极低纪录?地球物理学报,55(9):2826-2834,doi:10.6038/j.issn.0001-5733.2012.09.002. LiuLibo,WanWeixing,ChenYiding,LeHuijun(2011),Solaractivityeffectsoftheionosphere:Abriefreview.ChineseSciBull,56:1202-1211,doi:10.1007/s11434-010-4226-9. 刘立波,万卫星,陈一定,乐会军(2011),电离层与太阳活动性关系,科学通报,56(7),466-477. YueXinan,WanWeixing,LiuLibo,LeHuijun,ChenYiding,andYuTao(2008),Developmentofamiddleandlowlatitudetheoreticalionosphericmodelandanobservationsystemdataassimilationexperiment,Chinese.Sci.Bull.,53(1),94–101. 乐新安,万卫星,刘立波,乐会军,陈一定,余涛(2007),中低纬电离层理论模式的构建和一个观测系统数据同化试验,科学通报,52(18),2180-2186. LiuLibo,ChenY.,LeH.,LiuJ.,WanW.(2014),Someinvestigationsontheionosphereduring2012–2014inChina,ChineseJ.SpaceSci.,34,648-668,doi:10.11728/cjss2014.05.648. LiuLibo,WanWeixingChenYidingLeHuijunZhaoBiqiang,(2012),RecentProgressesonIonosphericClimatologyInvestigations,ChineseJ.SpaceSci.,32(5):665-680. LiuJY,ChenCH,TsaiHF,LeH.,(2013),Astatisticalstudyonseismo-ionosphericanomaliesofthetotalelectroncontentfortheperiodof56M>6.0earthquakesoccurringinChinaduring1998？2012.ChineseJ.SpaceSci.,33(3):258-269. 李强，宁百齐，赵必强，丁锋，张锐，师宏波，乐会军，李国主，李建勇，韩宇飞(2012),基于陆态网络GPS数据的电离层空间天气监测与研究，地球物理学报，55(7):2193:2202,doi:10.6038/j.issn.0001-5733.2012.07.006