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:
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,
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