基本信息
乐新安  男  博导  中国科学院地质与地球物理研究所
电子邮件: yuexinan@mail.iggcas.ac.cn
通信地址: 北京市朝阳区北土城西路19号
邮政编码:

研究领域

电离层物理

非相干雷达探测

GNSS

招生信息

   
招生专业
070802-空间物理学
招生方向
GPS/掩星,电离层,空间天气,数据同化
非相干散射探测技术

教育背景

2003-09--2008-07   中国科学院研究生院   博士
1999-09--2003-07   华中师范大学   本科

工作经历

   
工作简历
2015-10~现在, 中国科学院地质与地球物理研究所, 研究员
2013-10~2015-10,美国大气研究大学联合会, 2级项目科学家
2011-03~2013-09,美国大气研究大学联合会, 1级项目科学家
2009-06~2011-02,美国大气研究大学联合会, 研究科学家
2008-07~2009-05,中国科学院地质与地球物理研究所, 博士后
社会兼职
2017-10-15-2021-10-15,Earth and Planetary Physics, 编委
2016-03-30-今,Space Weather, Associate Editor
-今,

教授课程

空间环境探测原理

专利与奖励

   
奖励信息
(1) 全球华人空间天气科学青年创新奖, 其他, 2017
(2) 中科院优秀博士论文提名奖, 院级, 2009
(3) 中科院院长优秀奖, 院级, 2007

出版信息

   
发表论文
(1) Quiet‐time day‐to‐day variability of equatorial vertical E × B drift from atmosphere perturbations at dawn., Journal of Geophysical Research:Space Physics, 2020, 通讯作者
(2) Characterizing Ionospheric Effect on GNSS Radio Occultation Atmospheric Bending Angle, Journal of Geophysical Research: Space Physics, 2020, 通讯作者
(3) Evaluation on the quasi‐realistic ionospheric prediction using an ensemble Kalman filter data assimilation algorithm, Space Weather, 2020, 通讯作者
(4) Estimation of Ionospheric Total Electron Content From a Multi-GNSS Station in China, IEEE Transactions on Geoscience and Remote Sensing, 2020, 通讯作者
(5) 利用GCITEM-IGGCAS模拟DE2潮汐Hough波模对电离层的影响, 地球物理学报, 2020, 通讯作者
(6) Equatorial plasma bubbles developing around sunrise observed by an all-sky imager and global navigation satellite system network during storm time, Annales Geophysicae, 2020, 第 3 作者
(7) 碰撞非相干散射理论谱宏观法和微观法的比较研究, 地球物理学报, 2020, 第 3 作者
(8) Comparison of reference heights of O/N2 and ∑O/N2 based on GUVI dayside limb measurement, Space Weather, 2020, 第 4 作者
(9) Implantation of Earth's Atmospheric Ions Into the Nearside and Farside Lunar Soil: Implications to Geodynamo Evolution, Geophysical Research Letter, 2020, 第 9 作者
(10) EnKF ionosphere and thermosphere data assimilation algorithm through a sparse matrix method, Journal of Geophysical Research: Space Physics, 2019, 通讯作者
(11) 应用经验正交函数估算顶部电离层电子密度剖面, 地球物理学报, 2019, 通讯作者
(12) A statistical approach to quantify atmospheric contributions to the ITEC WN4 structure over low latitudes, Journal of Geophysical Research: Space Physics, 2019, 通讯作者
(13) Long‐term trend of topside ionospheric electron density derived from DMSP data during 1995–2017, Journal of Geophysical Research: Space Physics, 2019, 通讯作者
(14) 基于LWPC和IRI模型的NWC台站信号传播幅度建模分析, 地球物理学报, 2019, 第 8 作者
(15) Middle‐latitudinal band structure observed in the nighttime ionosphere, Journal of Geophysical Research: Space Physics, 2019, 第 3 作者
(16) Empirical orthogonal function analysis and modeling of the topside ionospheric and plasmaspheric TECs, Journal of Geophysical Research: Space Physics, 2019, 第 3 作者
(17) The global climatology of the intensity of ionospheric sporadic E layer, Atmos. Chem. Phys., 2019, 第 3 作者
(18) Comparison of thermospheric density between GUVI dayside limb data and CHAMP satellite observations: Based on empirical model, Journal of Geophysical Research: Space Physics, 2019, 第 3 作者
(19) Development of a 3-D plasmapause model with a back-propagation neural network, Space Weather, 2019, 第 3 作者
(20) East‐west difference in the ionospheric response of the March 1989 great magnetic storm throughout East Asian region, Journal of Geophysical Research: Space Physics, 2019, 第 7 作者
(21) Evolution of the subauroral polarization stream oscillations during the severe geomagnetic storm on 20 November 2003, Geophysical Research Letter, 2019, 第 9 作者
(22) Global Statistical Study of Ionospheric Waves Based on COSMIC GPS Radio Occultation Data, CHINESE PHYSICS LETTERS, 2018, 第 3 作者
(23) Assessment of the impact of FORMOSAT‐7/COSMIC‐2 GNSS RO observations on midlatitude and low‐latitude ionosphere specification: Observing system simulation experiments using Ensemble Square Root Filter, Journal of Geophysical Research: Space Physics, 2018, 第 3 作者
(24) Depletion and traveling ionospheric disturbances generated by two launches of China's Long March 4B rocket, Journal of Geophysical Research: Space Physics, 2018, 第 3 作者
(25) Solar dependence of equatorial F region irregularities observed by COSMIC radio occultations, Journal of Geophysical Research: Space Physics, 2018, 第 8 作者
(26) Optimization of the Mars ionospheric radio occultation retrieval, Earth and Planetary Physics, 2018, 通讯作者
(27) Large‐scale structure of subauroral polarization streams during the main phase of a severe geomagnetic storm .,, Journal of Geophysical Research: Space Physics, 2018, 第 6 作者
(28) Ionospheric trend over Wuhan during 1947–2017: Comparison between simulation and observation, Journal of Geophysical Research, 2018, 第 1 作者
(29) Strong Sporadic E Occurrence Detected by Ground‐Based GNSS, Journal of Geophysical Research, 2018, 第 3 作者
(30) Was Magnetic Storm the Only Driver of the Long‐Duration Enhancements of Daytime Total Electron Content in the Asian‐Australian Sector Between 7 and 12 September 2017?, Journal of Geophysical Research, 2018, 第 7 作者
(31) Asymmetric DE3 causes WN3 in the ionosphere, Journal of Atmospheric and Solar Terrestrial Physics, 2018, 第 4 作者
(32) New Approach to Estimate Tidal Climatology from Ground‐ and Space‐based Observations, Journal of Geophysical Research, 2018, 第 6 作者
(33) Mapping the conjugate and corotating storm-enhanced density during 17 March 2013 storm through data assimilation, Journal of Geophysical Research, 2017, 第 1 作者
(34) Development of the Beidou Ionospheric Observation Network in China for space weather monitoring, Space Weather, 2017, 通讯作者
(35) An overturning-like thermospheric Na layer and its relevance to Ionospheric field aligned irregularity and sporadic E, Journal of Atmospheric and Solar Terrestrial Physics, 2017, 第 4 作者
(36) Global ionospheric electron density estimation based on multisource TEC data assimilation, GPS Solution, 2017, 第 3 作者
(37) An investigation of ionospheric upper transition height variations at low and equatorial latitudes deduced from combined COSMIC and C/NOFS measurements, Advances in Space Research, 2017, 第 4 作者
(38) On the occurrence of F region irregularities over Haikou retrieved from COSMIC GPS radio occultation and ground‐based ionospheric scintillation monitor observations, Radio Science, 2017, 第 2 作者
(39) Longitudinal variations of topside ionospheric and plasmaspheric TEC, Journal of Geophysical Research, 2017, 第 5 作者
(40) Dependence of Pedersen conductance in the E and F regions and their ratio on the solar and geomagnetic activities, Space Weather, 2017, 第 4 作者
(41) A planetary perspective on Earth’s space environment evolution, Earth and Planetary Physics, 2017, 第 2 作者
(42) Assessment of Atmospheric Wet Profiles Obtained from COSMIC Radio Occultation Observations over China, Atmosphere, 2017, 第 2 作者
(43) Profiles of ionospheric storm-enhanced density during the 17 March 2015 great storm, J. Geophys. Res., 2016, 第 4 作者
(44) The correlation between electron temperature and density in the topside ionosphere during 2006-2009, J. Geophys. Res., 2016, 第 4 作者
(45) Long-duration depletion in the topside ionospheric total electron content during the recovery phase of the March 2015 strong storm, J. Geophys. Res., 2016, 第 3 作者
(46) Determination of Differential Code Bias of GNSS Receiver Onboard Low Earth Orbit Satellite, IEEE Trans. Geosci. Remote Sens., 2016, 第 3 作者
(47) First ionospheric radio occultation measurements from GNSS occultation sounder on the Chinese Feng Yun 3C satellite, IEEE Transactions on Geoscience and Remote Sensing, 2016, 第 4 作者
(48) Constrasting behavior of the F2 peak and the topside ionosphere in response to the 2 October 2013 geomagnetic storm, Journal of Geophysical Research, 2016, 第 9 作者
(49) Statistical behavior of the longitudinal variations of the daytime electron density in the topside ionosphere at middle latitudes, Journal of Geophysical Research, 2016, 第 4 作者
(50) Characterizing GPS radio occultation loss of lock due to ionospheric weather, Space Weather, 2016, 第 1 作者
(51) 近地空间环境的GNSS无线电掩星探测技术, 地球物理学报, 2016, 第 1 作者
(52) Long-lasting negative ionospheric storm effects in low and middle latitudes during the recovery phase of the 17 March 2013 geomagnetic storm, JGR-Space Physics, 2016, 第 1 作者
(53) Ionosphere equatorial ionization anomaly observed by GPS radio occultations during 2006–2014, J. Atmos. Sol.-Terr. Phys., 2015, 第 1 作者
(54) Case study on complex sporadic E layers observed by GPS radio occultations, Atmos. Meas. Tech., 2015, 第 1 作者
(55) Comparison between GPS radio occultation electron densities and in situ satellite observations, Radio Sci., 2015, 第 2 作者
(56) An improved inversion for FORMOSAT-3/COSMIC ionosphere electron density profiles, J. Geophys. Res., 2015, 第 2 作者
(57) Mesoscale field-aligned irregularity structures (FAIs) of airglow associated with medium-scale traveling ionospheric disturbances (MSTIDs),, J. Geophys. Res., 2015, 第 4 作者
(58) Assessment of vertical TEC mapping functions for space-based GNSS observations, GPS Solut., 2015, 第 4 作者
(59) Is the long-term variation of the estimated GPS differential code biases associated with ionospheric variability?, GPS Solut., 2015, 第 4 作者
(60) Estimation and analysis of GPS satellite DCB based on LEO observation, GPS Solut., 2015, 第 2 作者
(61) An empirical model of the occurrence of an additional layer in the ionosphere from the occultation technique: Preliminary results, J. Geophys. Res., 2015, 第 4 作者
(62) Space Weather Observations by GNSS Radio Occultation: From FORMOSAT-3/COSMIC to FORMOSAT-7/COSMIC-2, Space Weather, 2014, 第 1 作者
(63) Observing System Simulation Experiment Study on Imaging the Ionosphere by Assimilating ground GNSS, LEO based Radio Occultation and Ocean Reflection, and Cross Link, IEEE Trans. Geosci. Remote Sens., 2014, 第 1 作者
(64) Empirical orthogonal function analysis and modeling of the ionospheric peak height during the years 2002–2011, J. Geophys. Res., 2014, 第 2 作者
(65) New aspects of the ionospheric response to the October 2003 superstorms from multiple-satellite observations, J. Geophys. Res., 2014, 第 4 作者
(66) Height-integrated Pedersen conductivity in both E and F regions from COSMIC observations, J. Atmos. Sol.-Terr. Phys., 2014, 第 3 作者
(67) The effect of the solar radio bursts on the GNSS radio occultation signals, J. Geophys. Res., 2013, 第 1 作者
(68) Evaluating the effect of the global ionospheric map on aiding retrieval of radio occultation electron density profiles, GPS Solut., 2013, 第 1 作者
(69) GNSS radio occultation derived electron density quality in high latitude and polar region: NCAR-TIEGCM simulation and real data evaluation, J. Atmos. Sol.-Terr. Phys., 2013, 第 1 作者
(70) Validate the IRI2007 model by the COSMIC slant TEC data during the extremely solar minimum of 2008, Advance in Space Research, 2013, 第 1 作者
(71) Applications of COSMIC Radio Occultation Data from the Troposphere to Ionosphere and Potential Impacts of COSMIC-2 Data, Bulletin of the American Meteorological Society, 2013, 第 2 作者
(72) Global 3-D Ionospheric Electron Density Reanalysis based on Multi-Source Data Assimilation, J. Geophys. Res., 2012, 第 1 作者
(73) A feasibility study of the radio occultation electron density retrieval aided by a global ionospheric data assimilation model, J. Geophys. Res., 2012, 第 1 作者
(74) Artificial ionospheric Wave Number 4 structure below the F2 region due to the Abel retrieval of Radio Occultation measurements, GPS Solut., 2012, 第 1 作者
(75) Evaluation of the orbit altitude electron density estimation and its effect on the Abel inversion from radio occultation measurements, Radio Sci., 2011, 第 1 作者
(76) Quantitative evaluation of the low Earth orbit satellite based slant total electron content determination, Space Weather, 2011, 第 1 作者
(77) Data assimilation retrieval of electron density profiles from radio occultation measurements, J. Geophys. Res., 2011, 第 1 作者
(78) Global characteristics of occurrence of an additional layer in the ionosphere observed by COSMIC/ FORMOSAT-3, Geophysical Research Letter, 2011, 第 3 作者
(79) On the occurrence of postmidnight equatorial F region irregularities during the June solstice, J. Geophys. Res., 2011, 第 4 作者
(80) Features of the F3 layer in the low-latitude ionosphere at sunset, J. Geophys. Res., 2011, 第 4 作者
(81) Global ionospheric response observed by COSMIC satellites during the January 2009 stratospheric sudden warming event, J. Geophys. Res., 2010, 第 1 作者
(82) Error analysis of Abel retrieved electron density profiles from radio occultation measurements, Ann.Geophys., 2010, 第 1 作者
(83) Climatology of ionospheric upper transition height derived from COSMIC satellites during the solar minimum of 2008, J. Atmos. Sol.-Terr. Phys., 2010, 第 1 作者
(84) 基于Gauss-Markov卡尔曼滤波的电离层数值同化现报预报系统的构建——以中国及周边地区为例的观测系统模拟试验, 地球物理学报, 2010, 第 1 作者
(85) Comment on “A new aspect of ionospheric E region electron density morphology” by Yen-Hsyang Chu, Kong-Hong Wu, and Ching-Lun Su, J. Geophys. Res., 2010, 第 2 作者
(86) Ionosphere around equinoxes during low solar activity, J. Geophys. Res., 2010, 第 3 作者
(87) The ionospheric behavior in conjugate hemispheres during the 3 October 2005 solar eclipse, Ann.Geophys., 2009, 第 3 作者
(88) Latitudinal dependence of the ionospheric response to solar eclipses, J. Geophys. Res., 2009, 第 3 作者
(89) Solar activity dependence of the topside ionosphere at low latitudes, J. Geophys. Res., 2009, 第 4 作者
(90) 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, 2008, 第 1 作者
(91) TIME-IGGCAS模式与经验模式和观测数据的比较, 中国科学E辑:技术科学, 2008, 第 1 作者
(92) Modeling the relationship between E × B vertical drift and the time rate of change of hmF2 (ΔhmF2/Δt) over the magnetic equator, Geophysical Research Letter, 2008, 第 1 作者
(93) Modeling the effects of secular variation of geomagnetic field orientation on the ionospheric long term trend over the past century, J. Geophys. Res., 2008, 第 1 作者
(94) Long-term trends in foF2: Their estimating and origin, Ann.Geophys., 2008, 第 2 作者
(95) The ionospheric responses to the 11 August 1999 solar eclipse: observations and modeling, Ann.Geophys., 2008, 第 3 作者
(96) An empirical orthogonal function model of total electron content over China, Radio Sci., 2008, 第 3 作者
(97) The midlatitude F2 layer during solar eclipses: Observations and modeling, J. Geophys. Res., 2008, 第 3 作者
(98) Statistical analysis on spatial correlation of ionospheric day-to-day variability by using GPS and Incoherent Scatter Radar observations, Ann.Geophys., 2007, 第 1 作者
(99) Data assimilation of incoherent scatter radar observation into a one-dimensional midlatitude ionospheric model by applying ensemble Kalman filter, Radio Sci., 2007, 第 1 作者
(100) The dependence of plasma density in the topside ionosphere on the solar activity level, Ann.Geophys., 2007, 第 3 作者
(101) An empirical model of ionospheric foE over Wuhan, Earth, Planets, and Space, 2006, 第 1 作者
(102) Applying artificial neural network to derive long-term foF2 trends in the Asia/Pacific sector from ionosonde observations, J. Geophys. Res., 2006, 第 1 作者
(103) Statistical characteristics of the total ion density in the topside ionosphere during the period 1996–2004 using empirical orthogonal function (EOF) analysis, Ann.Geophys., 2005, 第 4 作者
发表著作
(1) The effect of solar radio bursts on GNSS signals, Elsevier, 2018-01, 第 1 作者

科研活动

   
参与会议
(1)Long Term Trends of Topside Ionospheric Electron Density Derived from DMSP Data   2019-12-14
(2)The effect of geomagnetic field variation on the climate of the near Earth space environment   2019-08-24
(3)The status of SanYa Incoherent Scattering Radar (SYISR) Development   2019-08-19
(4)CO2增加与地磁场变化造成高层大气长期变化的相对重要性研究   2019-05-26
(5)Fast algorithm of Ensemble Kalman filter in ionosphere and thermosphere data assimilation through sparse matrix method   2018-12-10
(6)Space Weather monitoring by GNSS/BDS over China   2018-11-05
(7)KF/EnKF在电离层同化中的应用   中国地球科学联合学术年会   2018-10-20
(8)EnKF在电离层短临预报中的应用   第10届全国空间环境及其应用专题研讨会   2018-08-20
(9)Relative Importance of CO2 and Geomagnetic Field effect in Wuhan Ionospheric Long Trend   2018-05-31
(10)Ionospheric Long Term Trend: From ~70 years observations over Wuhan to ~12000 years TIEGCM simulation   2018-05-14
(11)Ionosphere/Thermosphere simulation based on realistic geomagnetic field, solar activity, and CO2 level during the past ~12000 years   2017-12-11
(12)Ionospheric response to 17 March 2013 geomagnetic storm identified by data assimilation result   2017-08-27
(13)电离层数据同化   第四届全球华人空间天气科学大会   2017-08-01
(14)Ionospheric response to 17 March 2013 geomagnetic storm identified by data assimilation result   2017-04-23
(15) Influence of Ionospheric Weather on GNSS Radio Occultation Signals   2016-12-12
(16)2013年3月磁暴期间全球电离层扰动的模拟及数据同化结果   第十次全国空间天气学研讨会   2016-11-06
(17) Space Weather monitoring by GNSS Radio Occultation Technique   2016-10-24
(18)Hemispheric Asymmetric Long Lasting Negative Storm in Low Latitude Region During the Recovery Phase of March 17, 2013 Storm   2016-07-31
(19)Observations by GNSS radio occultation: From COSMIC to COSMIC-2   2016-07-27
(20)GPS data assimilation for storm study   2015-06-21
(21)The effect of ionospheric irregularities on RO signals derived from COSMIC   2015-04-16

指导学生

现指导学生

肖寒  硕士研究生  070802-空间物理学  

何建辉  博士研究生  070802-空间物理学  

李明哲  博士研究生  070802-空间物理学  

蔡毅徽  博士研究生  070802-空间物理学  

尹翰林  硕士研究生  070802-空间物理学