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The representative scientific results of the China Seismo-Electromagnetic Satellite 认领 引用 被引量：3
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作者 Zhima Zeren Yanyan Yang +7 位作者 Rui Yan Zhenxia Zhang Jie Wang He Huang Song Xu Hengxin Lu Na Zhou Jianping Huang 《Earthquake Research Advances》 CSCD 2025年第1期1-9,共9页
The China Seismo-Electromagnetic Satellite(CSES-01)launched on February 2,2018,has been steadily operating in orbit for more than six years,exceeding its designed five-year lifespan expectation.The evaluation results ... The China Seismo-Electromagnetic Satellite(CSES-01)launched on February 2,2018,has been steadily operating in orbit for more than six years,exceeding its designed five-year lifespan expectation.The evaluation results suggest that the satellite platform and the majority of payloads are performing well,and still providing reliable measurements.This report briefly introduces the representative scientific results obtained from CSES-01's fiveyear observations.The first result is the long-term global geophysical field data accumulated for the first time,including the global geomagnetic field,the electromagnetic field and waves in a broad frequency band,the in-situ and profile ionospheric plasma parameters,and the energetic particles.The second result is that a series of data processing and validation methods were obtained,and some of the methods are unique worldwide.The third result is that the geomagnetic field,lithospheric magnetic field,and ionospheric electron density 3D models were built based on CSES-01's data.The fourth result is that statistical features of seismic-ionospheric disturbances were revealed and the direct observational evidence for the electromagnetic wave propagation models in the lithosphere-atmosphere-ionosphere was also confirmed.The fifth result is the physical processing of the space weather events was clearly described,showing CSES-01's good capability of monitoring space weather conditions. 展开更多
关键词 China Seismo-Electromagnetic Satellite The geophysical field models The seismo-ionospheric disturbances Space weather event
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Magnetic field data processing methods of the China Seismo-Electromagnetic Satellite 认领 引用 被引量：19
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作者 Bin Zhou YanYan Yang +4 位作者 YiTeng Zhang XiaoChen Gou BingJun Cheng JinDong Wang Lei Li 《Earth and Planetary Physics》 CAS 2018年第6期455-461,共7页
The High Precision Magnetometer(HPM) on board the China Seismo-Electromagnetic Satellite(CSES) allows highly accurate measurement of the geomagnetic field; it includes FGM(Fluxgate Magnetometer) and CDSM(Coupled Dark ... The High Precision Magnetometer(HPM) on board the China Seismo-Electromagnetic Satellite(CSES) allows highly accurate measurement of the geomagnetic field; it includes FGM(Fluxgate Magnetometer) and CDSM(Coupled Dark State Magnetometer)probes. This article introduces the main processing method, algorithm, and processing procedure of the HPM data. First, the FGM and CDSM probes are calibrated according to ground sensor data. Then the FGM linear parameters can be corrected in orbit, by applying the absolute vector magnetic field correction algorithm from CDSM data. At the same time, the magnetic interference of the satellite is eliminated according to ground-satellite magnetic test results. Finally, according to the characteristics of the magnetic field direction in the low latitude region, the transformation matrix between FGM probe and star sensor is calibrated in orbit to determine the correct direction of the magnetic field. Comparing the magnetic field data of CSES and SWARM satellites in five continuous geomagnetic quiet days, the difference in measurements of the vector magnetic field is about 10 nT, which is within the uncertainty interval of geomagnetic disturbance. 展开更多
关键词 China Seismo-Electromagnetic Satellite(CSES) High Precision Magnetometer(HPM) fluxgate magnetometer CPT magnetometer data processing
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Application system and data description of the China Seismo-Electromagnetic Satellite 认领 引用 被引量：17
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作者 JianPing Huang XuHui Shen +8 位作者 XueMin Zhang HengXin Lu Qiao Tan Qiao Wang Rui Yan Wei Chu YanYan Yang DaPeng Liu Song Xu 《Earth and Planetary Physics》 CAS 2018年第6期444-454,共11页
The China Seismo-Electromagnetic Satellite, launched into orbit from Jiuquan Satellite Launch Centre on February 2 nd, 2018, is China's first space satellite dedicated to geophysical exporation. The satellite carr... The China Seismo-Electromagnetic Satellite, launched into orbit from Jiuquan Satellite Launch Centre on February 2 nd, 2018, is China's first space satellite dedicated to geophysical exporation. The satellite carries eight scientific payloads including high-precision magnetometers to detect electromagnetic changes in space, in particular changes associated with global earthquake disasters. In order to encourage and facilitate use by geophysical scientists of data from the satellite's payloads, this paper introduces the application systems developed for the China Seismo-Electromagnetic Satellite by the Institute of Crustal Dynamics, China Earthquake Administration;these include platform construction, data classification, data storage, data format, and data access and acquisition. 展开更多
关键词 China Seismo-Electromagnetic Satellite application system geophysical field data classification
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Preliminary observation results of the Coherent Beacon Systemonboard the China Seismo-Electromagnetic Satellite-1 认领 引用 被引量：8
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作者 Liang Chen Ming Ou +3 位作者 YaPing Yuan Fang Sun Xiao Yu WeiMin Zhen 《Earth and Planetary Physics》 CAS 2018年第6期505-514,共10页
This paper reports, for the first time, observation results of the Coherent Beacon System(CBS) onboard the China SeismoElectromagnetic Satellite-1(CSES-1). We describe the CBS, and the Computerized Ionospheric Tomogra... This paper reports, for the first time, observation results of the Coherent Beacon System(CBS) onboard the China SeismoElectromagnetic Satellite-1(CSES-1). We describe the CBS, and the Computerized Ionospheric Tomography(CIT) algorithm program is validated by numerical experiment. Two examples are shown, for daytime and nighttime respectively. The Equatorial Ionization Anomaly(EIA) can be seen, and the northern crest core is located at ～20°N in the reconstruction image at 07:28 UTC on 20 July 2018(daytime).Disturbances are shown in the reconstruction image at 18:40 UTC on 13 July 2018(nighttime). We find that beacon measurements are more consistent with ionosonde measurements than model results, by comparing Nm F2 at three sites at Lanzhou, Chongqing, and Kunming; consistency with ionosonde measurements validates beacon measurements. Finally, we have studied Vertical Total Electron Content(VTEC) variations from ground to ～500 km(the height of CSES-1 orbit) and ratios of VTEC between beacon measurements and CODE(Center for Orbit Determination in Europe) data. VTEC variation from ground to ～500 km has a range of 7.2–16.5 TECU for the daytime case and a range of 1.1–1.7 TECU for the nighttime case. The Beacon/CODE ratio of VTEC varies with latitude and time. The mean Beacon/CODE ratio is 0.69 for the daytime case and 0.26 for the nighttime case. The fact that the nighttime case yields lower ratios indicates the higher altitude of the ionosphere during nighttime when the ionosphere is assumed to be a thin layer. 展开更多
关键词 Coherent Beacon System(CBS) China Seismo-Electromagnetic Satellite-1(CSES-1) Computerized Ionospheric Tomography(CIT) Total Electron Content(TEC)
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Observation and research on ULF and VLF seismo-electromagnetic radiation 认领 引用 被引量：1
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作者 袁家治 钱书清 +1 位作者 赵华兴 任克新 《Acta Seismologica Sinica(English Edition)》 1996年第2期351-355,共5页
It is attracting more and more attention of seismologists in the world that electromagnetic radiation (EMR) was observed before some strong earthquake occurrence (Takahashi, 1988; Warwick, 1982; Yoshino, 1986 ; Oike,1... It is attracting more and more attention of seismologists in the world that electromagnetic radiation (EMR) was observed before some strong earthquake occurrence (Takahashi, 1988; Warwick, 1982; Yoshino, 1986 ; Oike,1985 ; Fujinawa, 1990 ; Qian. 1992, Zhang, 1992). The international co-operation have promoted the development of this kind of science for getting more data to study SEMR physical mechanism. The observation equipments were provided by Japan, the observation installations were provided by the Seismological Bureau of Yunnan Province. Two observatories were built by Prof. Kozo Takahashi and Yukio Fujinawa, and some Chinese seismologists at Xiao Shao. Kunming, and Yuexi, Dan in Nov. 3～7, 1992. Here, some characters of SEMR in Yunnan Province and prediction efficience of the methods of impending earthquake prediction are obtained. And it was found that before the Pu'er M6. 3 earthquake of 1993, that the occurrence time of EMR signals before strong earthquakes approximately synchronizes some other precursors, for example, of water level, water radon and F-ion. That means the SEMR signals are generated by the activation of the tectonic belt in the seismogenic zone. 展开更多
关键词 Seismo-electromagnetic radiation impending earthquake prediction seismogenic zone
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Call for papers on seismo-electromagnetics:Earthquake-related phenomena,laboratoryevidences and their mechanism 认领 引用
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《Earthquake Science》 CSCD 2011年第2期I0001-I0001,共1页
The seismo-electromagnetics, a new terminology in Earth science in 1960＇s, has become quite popular now, especially in the earthquake researches,
关键词 Call for papers on seismo-electromagnetics
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Call for papers on seismo-electromagnetics:Earthquake-related phenomena,laboratory evidences and their mechanism 认领 引用
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《Earthquake Science》 2010年第6期I0005-I0005,共1页
The seismo-electromagnetics, a new terminology in Earth science in 1960＇s, has become quite popular now, especially in the earthquake researches, as more and more earthquake-related phenomena have been revealed in th... The seismo-electromagnetics, a new terminology in Earth science in 1960＇s, has become quite popular now, especially in the earthquake researches, as more and more earthquake-related phenomena have been revealed in the studies of earthquake cases, particularly for those disasters with huge losses of people＇s live and properties. The phenomena with very wide coverage of electromagnetic spectrum bands have attracted the interests of scientists for laboratory tests and the mechanism studies about the relationship on earthquake preparations and electromagnetics. China is one of the countries prone to strong earthquakes in the world, and is also a country with well organized seismo-electromagnetic monitoring for more than 40 years in the past by China Earthquake Administration （CEA）, which provides scientists good opportunity for better understanding of seismo-electeomagnetics. 展开更多
关键词 Call for papers on seismo-electromagnetics
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The state-of-the-art of the China Seismo-Electromagnetic Satellite mission 认领 引用 被引量：84
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作者 SHEN XuHui ZHANG XueMin +6 位作者 YUAN ShiGeng WANG LanWei CAO JinBin HUANG JianPing ZHU Xing Hong PIERGIORGIO Picozzo DAI JianPing 《Science China(Technological Sciences)》 SCIE EI CAS CSCD 2018年第5期634-642,共9页
The China Seismo-Electromagnetic Satellite(CSES) mission was proposed in 2003 and approved in 2013 after ten years' scientific and engineering demonstrations. To meet the requirement of scientific objectives, the ... The China Seismo-Electromagnetic Satellite(CSES) mission was proposed in 2003 and approved in 2013 after ten years' scientific and engineering demonstrations. To meet the requirement of scientific objectives, the satellite is designed to be in a sunsynchronous orbit with an altitude of 507 km and descending node time of 14:00 LT. The CSES satellite carries 8 instruments,including search-coil magnetometer(SCM), electric field detector(EFD), high precision magnetometer(HPM), GNSS occultation receiver(GOR), plasma analyzer package(PAP), langmuir probe(LAP), high energetic particle package(HEPP) and detector(HEPD), and tri-band beacon(TBB), among which HEPD is provided by Italian Space Agency. The CSES satellite was launched successfully on February 2, 2018, and is planned to operate for 5 years. The CSES mission is the first satellite in China to measure geophysical fields, which will have a lot of application prospects in the study of seismology, geophysics, space sciences, and so on. 展开更多
关键词 China Seismo-Electromagnetic Satellite seismo-ionospheric disturbance lithosphere-atmosphere-ionosphere coupling geomagnetic fields ionosphere
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A review of seismo-electromagnetic research in China 认领 引用 被引量：14
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作者 Guoze ZHAO Xuemin ZHANG +14 位作者 Juntao CAI Yan ZHAN Qinzhong MA Ji TANG Xuebin DU Bing HAN Lifeng WANG Xiaobin CHEN Qibin XIAO Xiangyu SUN Zeyi DONG Jijun WANG Jihong ZHANG Ye FAN Tao YE 《Science China Earth Sciences》 SCIE EI CAS CSCD 2022年第7期1229-1246,共18页
The seismo-electromagnetic(EM)method is an important geophysical method that plays a major role in the observation of seismic anomalies related to earthquake precursors.It is the most promising method for a breakthrou... The seismo-electromagnetic(EM)method is an important geophysical method that plays a major role in the observation of seismic anomalies related to earthquake precursors.It is the most promising method for a breakthrough in short-term earthquake prediction.The digital transformation and network upgrading implemented in the“Ninth five-year plan”and“Tenth five-year plan”have optimized the original observation system,improved the quality of observed data,enriched the seismicelectromagnetic information,and enhanced the analysis capability and timeliness of seismic-electromagnetic anomalies.These improvements are of major importance for the research on seismo-electromagnetics as well as for the development of new technologies.Since the beginning of the 21 st century,China has launched a satellite named CSES that was designed for the generation and study of seismo-electromagnetic data and built a high-power transmitting source and a new CSELF observation network that is used specifically for earthquake monitoring.This platform has promoted the full-time three-dimensional EM monitoring and the identification of earthquake anomalies.Based on the study of anomalies related to earthquake precursors,the physical and numerical simulations,and the study on generation mechanism of anomalies in China,we summarize the characteristics of earthquake EM anomalies and discuss the advantages and disadvantages of different EM observation methods.Finally,considering the related questions of the seismo-electromagnetic prediction and implementing the recent developments both in China and abroad,we review the current status of seismo-electromagnetic research and propose strategies for future research. 展开更多
关键词 Seismo-electromagnetism Seismic anomaly Electromagnetic observation Experiment and simulation Earthquake prediction Prospect
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The medium-energy electron detector on board CSES-02 认领 引用
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作者 GuoHong Shen ZhenXia Zhang +7 位作者 DongHui Hou HuanXin Zhang Ying Sun ChunQin Wang Bin Yuan Ping Zhou ZiDa Quan YaoDe Sheng 《Earth and Planetary Physics》 EI CSCD 2026年第4期668-677,共10页
The medium-energy electron detector on board China's second earthquake-monitoring satellite can measure the energy,flux,and direction of medium-and high-energy electrons within the satellite's orbit.These data... The medium-energy electron detector on board China's second earthquake-monitoring satellite can measure the energy,flux,and direction of medium-and high-energy electrons within the satellite's orbit.These data may provide the technical means for exploring new technologies and methods for earthquake monitoring and prediction.This work presents a description of the scientific objectives,key technical specifications,payload design,and results of ground calibration and verification for the payload. 展开更多
关键词 China’s second Seismo-Electromagnetic Satellite(CSES-02) medium-energy electron detector energy spectrum particle direction pitch angle distribution earthquake monitoring
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A high-resolution lithospheric magnetic field model of China and surroundings by using CHAMP,Swarm,CSES-1,and MSS-1 satellite magnetic measurements and aeromagnetic anomaly data 认领 引用 被引量：2
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作者 Pan Zhang JinSong Du +5 位作者 Liang Yin Qing Yan JiaXuan Zhang HouPu Li Keke Zhang Chao Chen 《Earth and Planetary Physics》 EI CSCD 2025年第3期686-696,共11页
The CUG_CLMFM3D series comprises high-resolution three-dimensional lithospheric magnetic field models for China and its surroundings.The first version,CUG_CLMFM3Dv1,is a spherical cap harmonic model integrating the WD... The CUG_CLMFM3D series comprises high-resolution three-dimensional lithospheric magnetic field models for China and its surroundings.The first version,CUG_CLMFM3Dv1,is a spherical cap harmonic model integrating the WDMAMv2(World Digital Magnetic Anomaly Map version 2)global magnetic anomaly grid and nearly a decade of CHAMP(Challenging Minisatellite Payload for Geophysical Research and Application)satellite vector data.It achieves a~5.7 km resolution but has limitations:the WDMAMv2 grid lacks high-resolution data in the southern Xinjiang and Tibet regions,which leads to missing small-to medium-scale anomalies,and unfiltered CHAMP data introduce low-frequency conflicts with global spherical harmonic models.Above the altitude of 150 km,correlations with global models drop below 0.9.The second version,CUG_CLMFM3Dv2,addresses these issues by incorporating 5-km-resolution aeromagnetic data and rigorously processed satellite data from CHAMP,Swarm,CSES-1(China Seismo-Electromagnetic Satellite 1),and MSS-1(Macao Science Satellite 1).The comparison analysis shows that the CUG_CLMFM3Dv2 captures finer high-frequency details and more stable long-wavelength signals,offering improved magnetic anomaly maps for further geological and geophysical studies. 展开更多
关键词 Macao Science Satellite 1 China Seismo-Electromagnetic Satellite 1 revised spherical cap harmonic analysis high resolution lithospheric magnetic field China and surroundings
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Critical analysis of the ULF power depression as a possible Tohoku earthquake precursor 认领 引用
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作者 Vyacheslav A Pilipenko Valery A Martines-Bedenko +1 位作者 Akimasa Yoshikawa Kirolosse M Girgis 《Earthquake Science》 2024年第5期407-414,共8页
Among electromagnetic methods of short-term earthquake prediction,an approach is being actively developed based on the phenomenon of magnetic ultra-low-frequency(ULF)power depression occurring a few days before an ear... Among electromagnetic methods of short-term earthquake prediction,an approach is being actively developed based on the phenomenon of magnetic ultra-low-frequency(ULF)power depression occurring a few days before an earthquake.In particular,a nighttime geomagnetic power depression in the band 0.03-0.05 Hz was observed approximately 5 days before the catastrophic Tohoku 2011 earthquake.To verify the reliability of this method,we performed an extended analysis using data from magnetometer arrays JMA,MAGDAS,PWING,and INTERMAGNET.The selected stations included sites close to the epicenter(<300 km)and remote points(~10000 km).The band-integrated spectral power of nighttime magnetic noise decreased significantly from March 6-9,several days before the earthquake.However,such variations occur simultaneously not only at nearby stations but also at distant stations.During this event,the ULF power depression was caused by low global geomagnetic activity,as evidenced by the planetary index SME.Thus,the depression of geomagnetic ULF noise cannot be considered a reliable short-term precursor. 展开更多
关键词 earthquake forecast seismo-electromagnetic phenomena ultra-low frequency(ULF)pulsations
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地震遥感应用趋势与中国地震卫星发展框架 认领 引用 被引量：26
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作者 申旭辉 吴云 单新建 《国际地震动态》 2007年第8期38-45,共8页
在赵九章先生的倡议下,我国的人造地球卫星事业经过50年的历程,已经取得了长足的发展,卫星遥感应用范围也日益扩大。在防震减灾领域,卫星遥感也在监测预报、灾害评估和地震构造研究等许多方面得到应用并显示了巨大的发展前景,从而对发... 在赵九章先生的倡议下,我国的人造地球卫星事业经过50年的历程,已经取得了长足的发展,卫星遥感应用范围也日益扩大。在防震减灾领域,卫星遥感也在监测预报、灾害评估和地震构造研究等许多方面得到应用并显示了巨大的发展前景,从而对发展地震卫星系统提出了现实的要求。我国地震卫星系统发展的总体思路是:基于社会公共安全事业发展和防震减灾能力建设的需要,结合国家民用遥感卫星统筹发展,优先开展地震电磁卫星的论证和研发,积极参与InSAR、重力等其他民用遥感卫星的论证;逐步建立多源遥感信息快速稳定的获取渠道和专业化处理平台,促进立体地震观测体系建设。目前,中国地震电磁试验卫星综合论证工作正在顺利进行,试验卫星的科学目标、载荷配置方案以及对卫星平台和运行能力的要求已经初步明确,将按计划推动背景型号和工程型号项目,并同步开展若干关键技术的国内外合作研究。 展开更多
关键词 立体地震观测系统 电磁卫星 遥感应用 民用遥感卫星
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CSES GNSS ionospheric inversion technique, validation and error analysis 认领 引用 被引量：11
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作者 LIN Jian SHEN XuHui +2 位作者 HU LiangChen WANG LanWei ZHU FuYing 《Science China(Technological Sciences)》 SCIE EI CAS CSCD 2018年第5期669-677,共9页
With the increased number of low Earth orbit(LEO) satellites equipped with global navigation satellite system(GNSS) receiver,the LEO based GNSS slant total electron content(TEC) and electron density profile(EDP) data ... With the increased number of low Earth orbit(LEO) satellites equipped with global navigation satellite system(GNSS) receiver,the LEO based GNSS slant total electron content(TEC) and electron density profile(EDP) data play an increasingly important role in space weather and ionospheric research due to improved global coverage. China Seismo-Electromagnetic Satellite(CSES), which was launched in February 2018, is equipped with GNSS receiver for either precise orbit determination(POD) and ionospheric inversion. The purpose of the present paper is to validate CSES GNSS ionospheric inversion technique based on the real observations and verify the accuracy of TEC and EDP retrieval based on the simulated data. The following conclusions can be drawn: the epoch difference inversion(EDI) derived from CSES can successfully retrieve the EDPs without non-occultation side measurements; the technique of EDI and the calibrated TEC inversion(CTI) have similar behaviors in inversion errors,however, the retrieved Nm F2 and hm F2 have a larger systematic error surrounding the equatorial ionization anomaly(EIA)where the assumption of spherical symmetry is often invalid; the precision and accuracy of retrieved TEC have been investigated in the paper based on the simulated data, and it is found that the accuracy of the retrieved TEC is relative to solar activity: the lower the F10.7 index, the higher the accuracy of retrieved TEC. 展开更多
关键词 China Seismo-Electromagnetic Satellite global navigation satellite system total electron content electron density profile
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Particle bursts in the inner radiation belt related to global lightning activity 认领 引用 被引量：3
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作者 WU Fei HAO YongQiang ZHANG DongHe 《Science China(Technological Sciences)》 SCIE EI CAS 2013年第11期2658-2667,共10页
Particle bursts （PBs）, the phenomena characterized by short-term increases of particle counting rates （CRs）, were observed by space-borne radiation belt particle detectors. With the electron CR data obtained by Na... Particle bursts （PBs）, the phenomena characterized by short-term increases of particle counting rates （CRs）, were observed by space-borne radiation belt particle detectors. With the electron CR data obtained by National Oceanic and Atmospheric Ad- ministration （NOAA）-18 satellite, the occurrence of PBs in the inner belt （I〈~L〈2 and B〉20.5 gT） were derived for years 2006-2011. The monthly occurrence number of PBs exhibits a strong maximum in northern summer （May-August）. In associ- ation with global lightning data, the seasonal occurrence of PBs is found to be consistent with the lightning activity, especially if only lightning flashes at latitudes 〉20~ are taken into account. The positive correlation between PBs and mid-latitude light- ning discharges indicates the role of lightning-induced whistler waves, and is consistent with the expected pitch-angle scatter- ing by wave-particle interactions. The contribution of lightning is so significant that it forms a non-negligible seasonal back- ground of PBs. If one connects PBs to seismoelectromagnetic emissions （SEME） in attempt to find the earthquake precursor, the lightning background needs to be considered with great care. 展开更多
关键词 particle burst （PB） wave-particle interaction lightning-induced VLF seismo-electromagnetic emissions （SEME）
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Analysis and elimination of tri-band beacon interference with the fluxgate sensors onboard CSES 认领 引用 被引量：1
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作者 TONG YuQi CHENG BingJun +13 位作者 MIAO YuanQing ZHOU Bin ZHU XingHong YANG YanYan LIU Ji GOU XiaoChen ZHANG YiTeng WANG JinDong LI Lei MAGNES Werner LAMMEGGER Roland POLLINGER Andreas ZEREN Zhima SHEN XuHui 《Science China(Technological Sciences)》 SCIE EI CAS CSCD 2021年第10期2328-2336,共9页
High precision magnetometer(HPM)is a magnetic field detection payload onboard China Seismo-Electromagnetic Satellite(CSES),including two fluxgate magnetometers(FGM)and a coupled dark state magnetometer(CDSM).Observati... High precision magnetometer(HPM)is a magnetic field detection payload onboard China Seismo-Electromagnetic Satellite(CSES),including two fluxgate magnetometers(FGM)and a coupled dark state magnetometer(CDSM).Observations show that FGM appears to be influenced when tri-band beacon(TBB)is powered on and emits electromagnetic waves.The interference phenomenon is further validated based on both in-orbit observation analysis and electromagnetic compatibility(EMC)tests on the ground.A joint correction algorithm based on the least square fitting and first-order difference method according to scalar magnetometer data is proposed to eliminate the interference.The algorithm significantly improves the consistency of HPM data.After correction,the average scalar deviation error could be reduced from 9.0 nT to around 0.7 nT. 展开更多
关键词 China Seismo-Electromagnetic Satellite high precision magnetometer magnetometer data processing
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