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| 1 | Crustal structure of northeastern margin of the Tibetan Plateau by receiver function inversion显示文摘Using seismic data of about one year recorded by 18 broadband stations of ASCENT project,we obtained 2547 receiver functions in the northeastern Tibetan Plateau.The Moho depths under 14 stations were calculated by applying the H-κ domain search algorithm.The Moho depths under the stations with lower signal-noise ratio(SNR) were estimated by the time delay of the PS conversion.Results show that the Moho depth varies in a range of ~40–60 km.The Moho near the Haiyuan fault is vague,and its depth is larger than those on its two sides.In the Qinling-Qilian Block,the Moho becomes shallower gradually from west to east.To the east of 105°E,the average depth of the Moho is 45 km,whereas the west is 50 km or even deeper.Combining our results with surface wave research,we suggest a boundary between the Qinling and the Qilian Mountains at around 105°E.S wave velocities beneath 15 stations have been obtained through a linear inversion by using Crust2.0 as an initial model,and the crustal thickness that was derived by H-κ domain search algorithm was also taken into account.The results are very similar to the results of previous active source studies.The resulting figure indicates that low velocity layers developed in the middle and lower crust beneath the transition zone of the Tibet Block and western Qinling,which may be related to regional faults and deep earth dynamics.The velocity of the middle and lower crust increases from the Songpan Block to the northeastern margin of Tibetan Plateau.Based on the velocity of the crust,the distribution of the low velocity zone and the composition of the curst(Poisson's ratio),we infer that the crust thickening results from the crust shortening along the direction of compression. | LIU QiMin ZHAO JunMeng LU Fang LIU HongBing | 2014 | Science China Earth Sciences2014，57，4： | 23 |
| 2 | Relation between electricity structure of the crust and deformation of crustal blocks on the northeastern margin of Qinghai-Tibet Plateau显示文摘Study on the electricity structure along a magnetotelluric (MT) sounding profile on the northeastern margin of Qinghai-Tibet Plateau indicates that four crustal blocks can be de-termined from southwest to northeast, namely Bayan Har block (BH), Qin-Qi block (QQ), Hai-yuan block (HY) or the North-South seismotectonic belt and Ordos block (OD). The BH, QQ and OD blocks display a similar electricity structure of the crust. The upper crust represents a high- resistivity layer and the upper part of lower crust represents a low-resistivity layer with the resis-tivity increasing gradually with depth from the lower part of lower crust to the upper mantle. The electricity structure of the crust in these three blocks is similar to that in the complete blocks on the southern and eastern margins of the Qinghai-Tibet Plateau and belongs to normal electricity layering of the crust in slightly deformed or complete intracontinental blocks. The crust in HY block as a boundary zone has been significantly deformed, hence its electricity layering was de-stroyed and the structure was complex and the block became a recent tectonically active and great seismo-active region. The contact belts between the blocks on the northeastern margin of Qinghai-Tibet Plateau exhibit both upthrusting outward and strike-slip movement different from those on the southern and eastern margins of the plateau. The genesis of the low-resistivity layer in the crust is analyzed and the thickness of the lithosphere is estimated in the paper. | ZHAO Guoze TANG Ji ZHAN Yan CHEN Xiaobin ZHUO Xianjun WANG Jijun XUAN Fei DENG Qianhui ZHAO Junmeng | 2005 | Science China Earth Sciences2005，48，10： | 20 |
| 3 | Deep structure at northern margin of Tarim Basin显示文摘In this paper, a 2D velocity structure of the crust and the upper mantle of the northern margin of the Tarim Basin (TB) has been obtained by ray tracing and theoretical seismogram calculation under the condition of 2D lateral inhomogeneous medium using the data of seismic wide angle reflection/refraction profile from Baicheng to Da Qaidam crossing the Kuqa Depression (KD) and Tabei Uplift (TU). And along the Baicheng to Da Qaidam profile, 4 of the 10 shot points are located in the northern margin of the TB. The results show that the character of the crust is uniform on the whole between the KD and TU, but the depth of the layers, thickness of the crust and the velocity obviously vary along the profile. Thereinto, the variation of the crust thickness mainly occurs in the middle and lower crust. The Moho has an uplifting trend near the Baicheng shot point in KD and Luntai shot point in TU, and the thickness of the crust reduces to 42 km and 47 km in these two areas, respectively. The transition zone between the KD and TU has a thickest crust, up to 52 km. In this transition zone, there are high velocity anoma-lies in the upper crust, and low velocity anomalies in the lower crust, these velocity anomalies zone is near vertical, and the sediment above them is thicker than the other areas. According to the velocity distributions, the profile can be divided into three sections:KD, TU and transition zone between them. Each section has a special velocity structural feature, the form of the crystalline basement and the relationship between the deep structure and the shallow one. The differences of velocity and tectonic between eastern and western profile in the northern margin of the Tarim Basin (NMTB) may suggest different speed and intensity of the subduction from the Tarim basin to the Tianshan orogenic belt (TOB). | ZHAO JunMeng CHENG HongGang PEI ShunPing LIU HongBing ZHANG JianShi LIU BaoFeng | 2008 | Chinese Science Bulletin2008，53，10： | 10 |
| 4 | Lead-free thermochromic perovskites with tunable transition temperatures for smart window applications显示文摘The structural flexibility of hybrid perovskite materials allows for phase transition and consequently thermochromic properties.Here we investigate the thermochromic performance in a series of copper-based layered perovskites with organic cations having different alky chain lengths. Their transition temperature is found to be dependent on the organic cations due to molecular motion and hydrogen bond interaction, providing possibilities to prepare thermochromic semiconductors near room temperature for smart window applications. | Jingwen Li Xiaolong Liu Peixin Cui Junmeng Li Tao Ye Xi Wang Chuang Zhang Yong Sheng Zhao | 2019 | Science China Chemistry2019，62，9： | 6 |
| 5 | Crustal flow beneath the eastern margin of the Tibetan plateau显示文摘In large continental orogens, an important research topic is the behavior of deep crustal and upper mantle deformation, and the flow styles of ductile material. The morphology of the eastern margin of the Tibetan plateau, adjacent to the Sichuan basin, is characterized by very steep relief with high mountain ranges. The crust beneath this region slows the velocities in the middle and lower crust. We have adopted a relatively dense network to inverse the detailed structure of the crust and upper mantle along the eastern margin of the Tibetan plateau and Sichuan basin, using teleseismic data via receiver function analysis. The results are in-line with the hypothesis that viscous crustal material is flowing beneath the eastern margin of the Tibetan plateau and that this process drives overlying crustal material around the strong and rigid Sichuan basin. When the viscous material hits this obstruction, flows are divided into two or more branches with different directions. The upper part of the upwelling viscous flow produces the pressure to intrude the upper crust, thereby driving uplift of mountain ranges and high peaks. In contrast, the lower part of the downwelling viscous flow produces the pressure to intrude the lower crust and upper mantle to deepen the Moho discontinuity, causing observed crustal thickening. | Jieshou Zhu Junmeng Zhao Xiaotao Jiang Jun Fan Chuntao Liang | 2012 | Earthquake Science2012，25，5： | 6 |
| 6 | Rupture process of the 2015 Pishan earthquake from joint inversion of InSAR, teleseismic data and GPS显示文摘An earthquake of Mw6.4 occurred in Pishan County in Xinjiang Province, northwestern Tibetan Plateau, on July 3,2015. The epicenter was located on an active blind thrust system located at the northern margin of the Western Kunlun Mountain Orogenic Belt southwest of the Tarim Basin. We constructed a shovel-shaped fault model based on the layered-crust model with reference to the seismic reflection profile, and obtained the rupture process of the earthquake from the joint inversion of Interferometric Synthetic Aperture Radar(InSAR) measurements, far-field waveform data, and Global Positioning System(GPS) data. The results show that the seismic fault dips southward with a strike of 109°, and the rupture direction was essentially northward. The fault plane rupture distribution is concentrated, with a maximum recorded slip of 73 cm. The main features of the fault are as follows: low inclination angle(25°–10°), thrust slip at a depth of 9–13 km, rupture propagation time of about 12 s, no significant slip in soft or hard sedimentary layers at 0–4 km depth and propagation from the initial rupture point to the surrounding area with no obvious directionality. The InSAR time-series analysis method is used to determine the deformation rate in the source region within 2 years after the earthquake, and the maximum value is ~17 mm yr-1 in the radar line-of-sight direction. Obvious post-earthquake deformation is evident in the hanging wall, with a similar trend to the coseismic displacement field. These results suggest that the Pishan earthquake has not completely released the accumulated energy of the region, given that the multilayer fold structure above the blind fault is still in a process of slow uplift since the earthquake. Post-earthquake adjustment models and aftershock risk analysis require further study using more independent data. | Xun WANG Weimin WANG Junmeng ZHAO Zhenxing YAO | 2018 | Science China Earth Sciences2018，61，10： | 4 |
| 7 | Moho offset beneath the central Bangong-Nujiang suture of Tibetan Plateau显示文摘By analyzing teleseismic waveforms recorded by 53 stations of Hi-Climb profile passing through the central Bangong-Nujiang suture(BNS) ,a total of 4764 high-quality receiver functions are obtained.The average crustal thickness and Poisson's ratio beneath each station are estimated using the travel time of Ps and PpPs of the Moho.The discontinuities such as the Moho,the 410and 660-km interfaces are also studied using the common converted points(CCP) time to depth migration of receiver functions. The main results are as follows:(1) The Moho of Lhasa terrane and that of Qiangtang terrane nearby BNS are overridden and offset by~10 km.The structural geometry shows a northward uplifting and the southward deepening for the Moho of Lhasa terrane and Qiangtang terrane,respectively,which is related to the reactivated structure beneath BNS since Cenozoic era.(2) The variation range of Poisson's ratios along the profile is between 0.237 and 0.280,indicating that the crust is mainly composed of felsic and intermediate rocks.The anti-correlation between the crustal thickness and Poisson's ratio suggests that thicker crust beneath the southern Qiangtang terrane may be related to the successive thrust of felsic and intermediate rock of Lhasa terrane.(3) The thickness of the mantle transition zone along the profile remains about 255 km,implying that the tectonic activities caused by the India-Asia collision are confined to the depths above 410 km. | XU Qiang ZHAO JunMeng CUI ZhongXiong PEI ShunPing LIU HongBing | 2010 | Chinese Science Bulletin2010，55，7： | 4 |
| 8 | Basement Structure and Properties of the Western Junggar Basin, China显示文摘A comprehensive geophysical profile stretching from Qingyijing at the southern edge of the Junggar Basin to Ubara on the northern margin of the Junggar Basin was conducted in an attempt to probe the crustal structure of the western Junggar Basin(hereafter referred to simply as ‘the Basin'), and, in particular, the structure and property of the Basin's crystalline basement. A survey using seismically converted waves was conducted along this profile to determine the characteristics of the P-and Swave velocities typical of the crust and uppermost mantle. A joint inversion of gravitation and aeromagnetic data was also performed to acquire the density and magnetization intensity values found beneath the western Basin. This research revealed that the Basin is composed of the so-called Manasi terrain in the south, and the Wulungu terrain in the north. Their boundary is located along the WNW-trending Dishuiquan-Sangequan suture, linking the NE-striking Da'erbute suture(DS) in the west, and the WNWtrending Kalameili suture(KS) in the east. In its northern part, the Wulungu-type terrain has a doublelayered basement, of which the upper layer is a folded basement of Hercynian orogenic origin, and the lower layer is a crystalline basement of Middle–Upper Proterozoic age. The southern part of the Basin, i.e., the Manasi terrain, has a single-layered crystalline basement. The folded basement here is too thin to be clearly distinguished. | Junmeng Zhao Shuze Chen Gong Deng Xuezhong Shao Heng Zhang Jamshed Aminov Xinfa Chen Zongjin Ma | 2019 | Journal of Earth Science2019，30，2： | 3 |
| 9 | 准噶尔盆地基底构造显示文摘我们已完成了穿越准噶尔盆地及其周边地区的I-I、II-II、III-III、IV-IV和额敏—哈密剖面5条综合地球物理剖面。通过综合研究,初步了解准噶尔盆地及邻近地区的地球动力学问题:准噶尔盆地基底由北部的乌伦古地体和南部的玛纳斯地体组成。两者的分界为西西北方向的滴水泉—三个泉缝合线。其西部与北东向Dalbutte缝合带相连,东部与北西向的Cranamary缝合带相连。准噶尔盆地北部的乌伦古地体基底为双层构造,上层为泥盆系和下石炭统组成的褶皱基底,大致表现为北厚(3~5 km)、南薄(1~2 km)。缝合线以南的玛纳斯地体为单层基底,即新元古代结晶基底。准噶尔盆地地壳厚度为44~52 km,北薄南厚。周边山区地壳厚度高于盆地地区。盆地及邻近地区地壳分为上、中、下层,并且中地壳一般较薄。盆地地区的地壳存在多条深断裂。南北方向发育了6条主要深断裂,分别为红车、德伦山、石溪、呼图壁、彩南和阜康。这些断层倾角较大,向上延伸至上地壳下部,向下切入地壳基底界面。壳内水平构造和构造面无明显垂向断层,似有“开放断层”特征。这些断层是上地幔物质挤入地壳的良好通道。此外,该地区还有两条主要的横向深断层。一是北西西走向的滴水泉—三个泉深断裂,它向南倾斜,具有逆断层性质,可能会破坏滴水泉—三个泉缝合带。另一条是近东西向的昌吉—玛纳斯深断裂,向南倾斜,主要发育在中下地壳,具有逆断层性质。这些深断裂对盆地构造发育具有一定的控制作用。准噶尔盆地西部的莫霍面基本连续地延伸到了天山的莫霍面,并且后者的莫霍面深度明显大于前者。但是,盆地东部的莫霍面与博格达山脉的莫霍面并不连续。前者以叠加关系延伸到后者之下,表明盆地东部的地壳向博格达山脉俯冲。这有助于解释天山东部构造活动相对减弱而博格达山脉向北推高的构造地貌现象。周边准噶尔盆地具有挤压盆地山地构造耦合格局,尤其是南部边界东部博格达—准东盆地的山地盆地构造耦合。现在将准噶尔盆地与吐哈盆地分开的博格达山脉是年轻的、仍在上升的山脉。博格达山的隆升是印支运动以来多次推覆造山运动的反映,其现貌是新近纪以来新构造运动的结果。准噶尔盆地盖层发育经历了3个阶段:与天山和松潘—甘孜造山带形成有关的二叠纪—三叠纪前陆盆地阶段,区域压缩较弱的侏罗纪—早始新世陆内坳陷阶段,以及新近纪晚期以来与天山抬升有关的活化前陆盆地阶段。 | Xiaojun WANG Yong SONG Baoli BIAN Junmeng ZHAO Heng ZHANG Maodu YAN Shunping PEI Qiang XU Shuaijun WANG Hongbing LIU Changhui JU | 2021 | 地学前缘2021，28，6： | 2 |
| 10 | Crustal structure beneath Tien Shan orogenic belt and its adjacent regions from multi-scale seismic data显示文摘As one of the world's most active intracontinental mountain belts, Tien Shan has posed questions for researchers regarding the formation of different tectonic units and active shallow seismicity. Here, we used a huge data set comprising of 7094 earthquakes from local, regional and teleseismic seismic stations. We used waveform modeling and multi-scale double-difference earthquake relocation technique to better constrain the source parameters of the earthquakes. The new set of events provided us with better initial earthquake locations for further tomographic investigation. We found that reverse-faulting earthquakes dominate the whole study area while the fault plane solutions for earthquakes beneath the northwestern Tarim Basin and the Main Pamir Thrust are diverse. There is a low-velocity anomaly beneath Bashkaingdy at depth of 80 km, and high-velocity anomalies beneath central Tien Shan at shallower depths. These observations are the keys to understand the mechanism of Tien Shan's formation because of Tarim Basin northward and Kazakh Shield's southward subduction in the south and north respectively. Velocities beneath western Tien Shan are relatively high. We thus infer that the Western Tien Shan is relatively less deformed than the eastern Tien Shan primarily due to a relatively brittle mantle. | N.Ghani KHAN BAI Ling ZHAO JunMeng LI GuoHui M.Moklesur RAHMAN CHENG Cheng YANG JianYa | 2017 | Science China Earth Sciences2017，60，10： | 2 |
| 11 | Seismic P-wave tomography in eastern Tibet: Formation of the rifts显示文摘为更好学习在裂缝和深结构之间的关系,在东方西藏下面的详细 P 波浪速度结构从由 51 个便携式的车站记录的 169 个 teleseismic 事件用 4767 到达时间被建模。在通过模型的水平片,一个突出的低速度的异例从表面在裂缝下面被检测到 250 km 的深度;这在垂直的片延长到 400 km 的深度。这个低速度的异例作为上面的披风 upwelling 被解释。做的观察为纵贯的 trending 裂缝的形成提供地震证据。低速度的异例的东方,一个清楚的高速度的异例在 40 和 200 km 的深度之间被发现。由于它的浅深度,我们建议它从古老的大陆人闭合而非印度板由材料组成。从 250 ~ 400 km 的深度,一个高速度的异例出现到 Jiali 差错的南方。这个异例可以对应于在喜玛拉雅的块下面从表面分开了的印度板的北边。我们建议印度板 underthrusts 不在东方西藏比 Jiali 差错推进。 | ZHANG Heng ZHAO JunMeng XU Qiang | 2011 | Chinese Science Bulletin2011，56，23： | 2 |
| 12 | Lithospheric structure and dynamic processes of the Tianshan orogenic belt and the Junggar basin显示文摘 | ZHAO Junmeng LIU Guodong LU Zaoxun | 2003 | Tectonophysics2003，，： | 1 |
| 13 | Focal depth estimates of earthquakes in the Himalayan-Tibetan region from teleseismic waveform modeling显示文摘We estimate the focal depths and fault plane solutions of 46 moderate earthquakes in the Himalayan- Tibetan region by modeling the broadband waveforms of teleseismic P waves. The depths of 38 of these earth-quakes range between 0-40 km, with a peak at ~5 km. One earthquake is located within the lower crust of the Indian shield. The remaining eight earthquakes occurred between depths of 80-120 km and are all located in the Pamir-Hindu Kush and the Indo-Myanmar deep seismic zones. None of the earthquakes outside these deep seismic zones are located in the mantle. Global centroid moment tensor (CMT) solutions indicate that most earthquakes in northern Tibet and northern India had thrust-faulting mechanisms and that normal and strike-slip faulting earthquakes occurred primarily in central Tibet. These mechanisms are consistent with the predominantly NNW-SSE compression in the direction of current Himalayan-Tibetan continental collision. | Ling Bai Jeroen Ritsema Junmeng Zhao | 2012 | Earthquake Science2012，25，5： | 1 |
| 14 | Characteristic of crustal structure beneath the rifts in southern Tibetan plateau显示文摘The method of 2-D travel time inversion,which can be applied to determining 2-D velocity structure and in-terfaces simultaneously,is used in this paper to reprocess the data of Paiku Co-Pumoyingcuo seismic profile across the Ny-ima-Tingri rift and Shenzha-Dinggye rift. P-wave velocity structure and interfaces beneath the profile are obtained. The in-terfaces in the crust near Tingri and Dinggye which are located on rifts have a tendency to uplift,and velocities of middle and lower crusts are high. Low velocity layer in upper crust has an offset. Compared with the distribution of the earthquakes in this region,it is speculated that normal faults near Tingri and Dinggye extend to the upper mantle. Apparently it is affected by deep material:the uplift of mantle causes partial melting in the crust,thus the thickness of crust in this area becomes thin,and tension failures occur in this region easily. On the basis of the characteristics of the earthquakes' distribution and the structures of the crustal velocity and interfaces,materials from the mantle still uplifts and the failures are still active. | Yang Lei Liu Hongbing Zhao Junmeng | 2009 | Earthquake Science2009，22，4： | 1 |
| 15 | Lithospheric structure and dynamic processes of the Tianshan orogenic belt and the Junggar basin 显示文摘 | Zhao Junmeng Liu Guodong Lu Zaoxun | 2003 | Tectonophysics2003，，： | 1 |
| 16 | Crustal structure across the Altyn Tagh range at the northern margin of the Tibetan plateau and tectonic implications显示文摘 | ZHAO Junmeng WALTER D M ZHANG Xiankang | 2006 | Earth and Planetary Science Letters2006，241，： | 1 |
| 17 | Lithospheric structure of the Qaidam basin imaged by seismic reflection/refraction profile from Golmud to Huahaizi显示文摘 | ZHAO Junmeng JIN Zhijun WANG Shangxu | 2006 | Tectonophysics2006，，： | 1 |
| 18 | Multi-omics reveals the mechanisms underlying Lactiplantibacillus plantarum P8-mediated attenuation of oxidative stress in broilers challenged with dexamethasone显示文摘Oxidative stress is a common phenomenon in poultry production.Several molecules,including antioxidant genes,miRNAs,and gut microbiota metabolites,have been reported to participate in redox regulation.Lactiplantibacillus plantarum P8(P8)was shown to improve the antioxidant capacity of chickens,but the specific molecular mechanisms remain unclear.In this study,400 broilers were allocated to 4treatment groups:control diet(Con group),control diet+dexamethasone injection(DEX group),control diet containing 1×108CFU/g P8(P8 group),and control diet containing 1×108CFU/g P8+DEX injection(DEX_P8 group).Integrated analysis of the microbiome,metabolomics,and miRNAomics was conducted to investigate the roles of P8 in oxidative stress in broilers.Results demonstrated that P8supplementation significantly improved growth performance,jejunal morphology,and antioxidant function in DEX-treated broilers.Analysis of the gut microbiota revealed a higher abundance of Barnesiella(P=0.01)and Erysipelatoclostridium(P=0.05)in the DEX_P8 group than in the DEX group.Functional prediction indicated that certain pathways,including the phenylacetate degradation pathway,were enriched in the DEX_P8 group compared to the DEX group.Metabolites in the cecal contents were distinct between the groups.P8 supplementation increased the content of metabolites with antioxidant capacity,e.g.,urobilinogen(P<0.01),and decreased that of metabolites related to oxidative stress,e.g.,genistein(P<0.01).Functional prediction indicated that metabolites that differed between the DEX_P8and DEX groups were enriched in pathways including“tryptophan metabolism”and“primary bile acid biosynthesis”.The miRNAomics analysis further showed that,compared to the DEX group,several miRNAs in the jejunum,such as gga-miR-21-3p(P=0.03),were increased,whereas gga-miR-455-3p(P=0.02)was decreased in the DEX_P8 group.The PI3K-Akt,Ras,and Rap1 signaling pathways were enriched in the DEX_P8 group compared to the DEX group through KEGG analysis.Correlation analysis revealed potential interactions between growth performance,oxidation/antioxidation,jejunal morphology,gut microbiota,cecal content metabolites,and jejunal miRNAs.Overall,our results indicate that P8 supplementation may improve the growth performance,jejunal morphology and antioxidant capacity of DEX-treated broilers by regulating gut microbiota,its metabolites,and intestinal miRNAs. | Jinshan Zhao Fan Zhao Xuemin Li Junmeng Yuan Kai Zhang Huawei Liu Yang Wang | 2023 | Animal Nutrition2023，，3： | 0 |
| 19 | 尼泊尔喜马拉雅山脉中央丘里亚冲断层的电子自旋共振测年显示文摘利用断层泥样品中石英颗粒的ESR信号,研究尼泊尔喜马拉雅山脉南段中央丘里亚冲断层(CCT)第四纪断层活动的时间模式。为了更好地理解重置过程,分析了不同石英粒度的ESR信号、累积剂量和年龄的变化。样品CCT3的E1’中心(ESR定年的一种信号)的ESR强度结果显示,大块、粗粒(200~250 μm)和细粒(40~80 μm)粒度组分存在显著的空间变化。第四纪断层的ESR数据,粗年龄为(5±0.5) ka,细分数平均年龄为(50±10) ka,显示了西瓦利克地区最近的伸展事件。 | NEUPANE Bhupati ZHAO Junmeng LIU Chunru PEI Shunping MAHARJAN Bishal DHAKAL Sanjev | 2023 | 地学前缘2023，30，4： | 0 |
| 20 | Lithospheric structure and geodynamic properties of the Tibetan plateau and its adjacent regions显示文摘The Tibetan plateau has an elevation of 4-5 km above sea level and a crustal thickness of ~80 km (Zhao et al., 2010d), and its ongoing tectonic evolution is one of the most important Meso-Cenozoic events affecting our planet today. The Tibetan plateau influences global climate, especially in | Junmeng Zhao | 2012 | Earthquake Science2012，25，5： | 0 |
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