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| 1 | Three Gorges Dam stability monitoring with time-series InSAR image analysis显示文摘In this paper,we carried out a combination of permanent scatterer and quasi permanent scatterer time-series InSAR image analyses to extract geometric information over the area of the Three Gorges Dam.For the first time,we measured and analyzed the deformation of the Three Gorges Dam and its surrounding area using 40 SAR images acquired from 2003 to 2008.Our results indicate that the temporal deformation of the left part of the dam has ceased and that the deformation of the dam was influenced by the changing level of the Yangtze River.Seasonal deformation due to varying temperature is also observed.The obtained results agree well with the published results of the Three Gorges Dam deformation obtained by employing conventional survey methods.We also found that there is an area of abnormal subsidence near Zigui County.This paper demonstrates the potential of time-series InSAR image analysis in the monitoring of dam stability and measurement of subsidence. | WANG Teng Daniele PERISSIN Fabio ROCCA LIAO Ming-Sheng | 2011 | Science China Earth Sciences2011，54，5： | 20 |
| 2 | The cause of crustal deformation in the vicinity of Zhangbei earthquake area: Discussion with Wang Chao and Zhang Hong et al.显示文摘 | DIAOGuiling ZHANGSichang CAIHuachang ZHANGYuegang | 2004 | Chinese Science Bulletin2004，49，12： | 13 |
| 3 | 用近场强震动记录快速估计同震位移并反演震源滑动分布显示文摘利用自动经验基线校正方法,分析日本2008年岩手—宫城内陆Mw6.9地震震中周围密集强震动观测台网资料,快速解算出了同震位移场分布,并据此反演了震源滑动模型.经与GPS结果比较,两种不同方法给出的同震位移幅值、方向和总体分布特征较为接近.基于相同断层面参数反演的震源模型空间展布形态、主要滑动范围、平均和最大滑动量、滑动方向以及由模型计算的矩震级等均吻合较好,从而验证了方法的可行性.讨论了自动经验基线校正方法尚存在的问题和不足,为今后利用强震资料快速解算Mw6-7级及以上地震的同震位移场并反演震源滑动分布提供参考. | 金明培 汪荣江 | 2013 | 地球物理学报2013，56，4： | 13 |
| 4 | 孕震区震前D-InSAR干涉形变场动态演化图像分析显示文摘采用D-InSAR技术获取了1997年11月8日西藏玛尼地震前3期地表干涉形变场时空演化图像。通过对干涉形变场图像进行分析,得到了震前积累形变场时空演化特征与震源破裂面闭锁之间的对应关系。结果表明:玛尼地震前10个月孕震区地表形变场就开始出现了与发震断层性质一致的变化趋势———左旋扭动,且随着发震时间的临近,南盘形变加剧,形变中心向E进一步扩展。南盘变形量明显大于北盘,南盘为主动盘。到震前2个半月,断层两盘的闭锁进一步加剧,有随时破裂的可能。从震前1996年4月16日到震前2个半月之间,南盘局部累计扭曲变形量达344mm。 | 单新建 张国宏 | 2006 | 地震地质2006，28，3： | 12 |
| 5 | 2010年青海玉树地震同震-震后形变场特征及演化过程显示文摘基于星载合成孔径雷达差分干涉测量技术(DInSAR)和4期ENVISAT/ASAR雷达数据,获得了不同时间基线的三个同震干涉形变场和两个震后干涉形变场,并对这五个在时段上互有重叠的形变场进行了综合分析.结果表明,玉树地震同震形变场为围绕发震断层NW展布的椭圆形干涉条纹,覆盖范围约89km×59km.断层运动性质为左旋走滑.两盘最大视线向相对形变量至少达45cm,最大形变出现在结古镇附近.时间基线不同的同震形变场总体上基本一致,但两盘最大相对形变量和局部形变存在差异.震后时间较长的干涉对反映的最大形变量反而减小;在震后时间较短的干涉对上于结古镇西南侧观测到的局部形变,在震后时间较长的干涉对上却没有出现.分析认为在形变量最大的结古镇附近可能出现了震后快速弹性回弹,导致随震后时间延续,形变量反而减小的现象.玉树地震震后形变主要出现在断层附近、震后不久的时段内,形变量在8cm以下,具有与同震方向一致和相反的两种震后形变方式.在结古镇西南观测到一个与同震形变相反的局部沉降,应为震后弹性回弹.在微观震中处的断层附近观测到与同震方向一致的震后形变,可能是震后余滑.通过对地震前后不同时间基线的多个干涉对的联合对比分析,可以在一定程度上区分同震形变与震后形变,更好地研究地震引起的变形过程,特别是地震断层附近短期震后形变场的演化过程,为进一步研究断层带的岩性特征、物理力学及运动特性提供约束. | 屈春燕 张桂芳 单新建 张国宏 刘云华 宋小刚 | 2013 | 地球物理学报2013，56，7： | 10 |
| 6 | 遥感气体探测技术在地震监测中的应用显示文摘扼要介绍了卫星高光谱红外大气遥感的原理,气体组分探测技术、反演技术和研究应用的发展历程,着重介绍了该技术在地震监测中的研究应用。遥感气体地球化学在地震监测方面的应用大致可以分为间接观测和直接观测2个方面:1利用卫星红外遥感间接监测地震断裂带脱气;2利用卫星探测大气成分的传感器直接监测地震前后的气体地球化学异常。通过分析地下气体逸散引起的物理化学异常与地震活动的关系,提取地震气体地球化学信息。介绍了典型震例的气体地球化学异常特征及其可能的形成机理,提出了存在的问题以及未来的研究重点。 | 崔月菊 李静 王燕艳 刘永梅 陈志 杜建国 | 2015 | 地球科学进展2015，30，2： | 9 |
| 7 | A Characteristic Analysis of the Dynamic Evolution of Preseismic-Coseismic-Postseismic Interferometric Deformation Fields Associated with the M 7.9 Earthquake of Mani,Tibet in 1997显示文摘由使用 D-InSAR 技术,我们获得了与 Mani 的 M 7.9 地震联系的 preseismic-cosesimci-postseismic interferometric 变形场的 temporal-spatialevolution 图象,西藏在 1997 年 11 月 8 日。这些图象的分析揭示在 interferometric 变形场的时间空间的进化特征之间的关系,破裂并且锁住,并且来源破裂飞机恢复的橡皮,代表紧张累积的进程,拉紧版本,并且张贴地震恢复。结果显示出那在 Mani 事件以前的 10 个月,一左侧面砍趋势出现在地震区域,它根据在自然的地震断层。本地变丑在北方墙的数量在南方墙,和北方墙的变丑分发区域上比那稍微大相对大。与逼近的事件,逐渐地改变的南方墙的变丑,和变丑中心变了东方。二并且在事件前的半 monthd,当东方方面开始滑动了时,差错的西方方面仍然被锁,暗示全部指责将在任何时刻破裂。这些特征能被认为是 short-termprecursors 到这地震。在到二的从1996年4月16日的时期和在地震前的半月以内,最显著的变丑地区出现在北方和南方墙,它与 40 并且大约平行除了差错的 km ,分别地与北方和南方上的 344mm 和 251 公里的积累的本地排水量围。南方墙是有更大的排水量的活跃的。在地震以后的五个月, interferometricfringes 的分发特征只在事件以前对那相反,表示明显权利侧面砍。Therecovered 排水量是~ 1 北方墙和~ 7 上的 79 公里南方墙上的 9 公里,近到差错的东方方面。然而,在南方墙的区域,远非,在那里的差错仍然存在左首的运动的一个趋势。北方墙的变丑小却恢复在一个更大的区域快,当活跃南方墙开始向 WS W 从差错的东方节恢复了时。 | SHAN Xinjian ZHANG Guohong | 2007 | Acta Geologica Sinica(English Edition)2007，81，4： | 8 |
| 8 | 2017年九寨沟M_S7.0地震InSAR同震形变场与断层滑动分布反演显示文摘联合升、降轨Sentinel-1A卫星的差分干涉数据反演2017年8月8日四川九寨沟M_S7.0地震的断层滑动分布。首先对SAR复数干涉像对进行'二通'差分干涉处理,获取了覆盖震区的多视向InSAR同震形变场;然后利用四叉树和均匀采样法分别进行近、远场数据降采样,在此基础上,利用弹性半空间矩形位错模型,反演发震断层的几何参数和最优滑动分布。结果显示:(1)InSAR干涉条纹呈蝶状分布,最大LOS向沉降和抬升形变量分别为-20.3cm、11.3cm;(2)发震断层以左旋走滑为主兼有少量正断运动,断层走向为154°,倾角为82°;(3)断层滑动分布集中在2~15km深度,平均滑动角为-22°,最大滑移量约为0.68m,位于沿断层面深约9km处,地震释放的能量约为9.6×10^(18) N·m(M_W6.6),与测震学的研究结果基本一致。 | 王家庆 单新建 张国宏 吕健 申星 | 2018 | 华北地震科学2018，36，2： | 5 |
| 9 | 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 |
| 10 | 利用D-InSAR技术研究西藏改则地震同震形变场显示文摘针对2008年1月9日MW6.4西藏改则地震和2008年1月16日的MW5.9余震,通过两通(2-pass)加外部DEM差分干涉处理技术(D-InSAR),提取了地震区域2次地震累积的视线向(LOS)同震形变场。结果表明:发震断层均为正断层,位于依布茶卡-日干配错断裂端点附近。主震发震断层走向为N30°E,余震发震断层走向为N21°E,两断层距离约7km;在影像上主震发震断层有造成地表破裂的痕迹,余震未见地表破裂的痕迹;这次地震造成的同震形变场长约30km,宽约20km,主震断层上盘和下盘视线向最大形变量分别为39.2cm和11.2cm,两盘相对位错达50.4cm,余震造成的视线向形变量为9.4cm。 | 张桂芳 单新建 张国宏 | 2009 | 地震地质2009，31，2： | 4 |
| 11 | 青藏线多年冻土区路基形变星载SAR差分干涉测量应用探讨显示文摘近年来,蓬勃发展的合成孔径雷达差分干涉测量(D-InSAR)对地观测技术为从空间进行地表形变测量和长期监测提供了可能。研究了差分干涉测量技术的形变测量原理、数据处理流程和误差影响因素,对比分析了D-InSAR技术与传统地面测量方法的优缺点。指出星载合成孔径雷达差分干涉测量技术应用于青藏线多年冻土区路基形变长期监测具有某些不可替代的独特优势,而且技术上可行。 | 谭衢霖 杨松林 魏庆朝 | 2007 | 铁道勘察2007，33，5： | 3 |
| 12 | Analysis of Remote Sensing Images of Ground Ruptures Resulting from the Kunlun Mountain Pass Earthquake in 2001显示文摘On November 14, 2001, an earthquake measuring a magnitude of 8.1 occurred to the west of the Kunlun Mountain Pass which is near the border between Xinjiang and Qinghai of China. Since its epicenter is located in an area at an elevation of 4900 m where the environment is extremely adverse, field investigation to this event seems very difficult. We have performed interpretation and analysis of the satellite images of ETM, SPOT, Ikonos, and ERS-1/2SAR to reveal the spatial distribution and deformation features of surface ruptures caused by this large earthquake. Our results show that the rupture zone on the ground is 426 km long, and strikes N90-110°E with evident left-lateral thrusting. In spatial extension, it has two distinct sections. One extends from the Bukadaban peak to the Kunlun Mountain Pass, with a total length of 350 km, and trending N95-110°E. Its fracture plane is almost vertical, with clear linear rupture traces and a single structure, and the maximum left-lateral offset is 7.8 m. This section is the main rupture zone caused by the earthquake, which is a re-fracturing along an old fault. The other is the section from Kushuihuan to the Taiyang Lake. It is 26 km long, trending N90-105°E, with the maximum strike-slip displacement being 3 m, and is a newly-generated seismic rupture. In a 50 km-long section between the Taiyang Lake and the Bukadaban peak, no rupture is found on the ground. The eastern and western rupture zones may have resulted from two earthquakes. The macroscopic epicenter is situated at 65 km east of the Hoh Sai Lake. The largest coseismic horizontal offset in the macroscopic epicenter ranges from 7 m to 8 m. Based on the dislocation partition of the whole rupture zone, it is suggested that this rupture zone has experienced a process of many times of intensification and fluctuation, exhibiting a remarkable feature of segmentation. | SHANXinjian LIJianhua MAChao LIUJiahang | 2005 | Acta Geologica Sinica(English Edition)2005，79，1： | 3 |
| 13 | The Surface Rupture Zone and Coseismic Deformation Produced by the Yutian Ms7.3 Earthquake of 21 March 2008,Xinjiang显示文摘On 21 March 2008,a Ms7.3 earthquake occurred at Quickbird,Yutian County,Xinjiang.We attempt to reveal the features of the causative fault of this shock and its coseismic deformation field.Our work is based on analysis and interpretation to high-resolution satellite images as well as differential interferometric synthetic aperture radar(D-InSAR) data from the satellite Envisat SAR,coupled with seismicity,focal mechanism solutions and active tectonics in this region.The result shows that the 40km-long,nearly NS trending surface rupture zone by this event lies on a range-front alluvial platform in Qira County.It is characterized by distinct linear traces and simple structure with 1-3-m-wide individual seams and maximum 6.5m width of a collapse fracture.Along the rupture zone many secondary fractures and fault-bounded blocks are seen,exhibiting remarkable extension.The coseismic deformation affected a large area 100×100km2.D-InSAR analysis indicates that the interferometric deformation field is dominated by extensional faulting with a small strike-slip component.Along the causative fault,the western wall fell down and the eastern wall,that is the active unit,rose up,both with westerly vergence.Because of the big deformation gradients near the seismogenic fault,no interference fringes are seen on images,and what can be determined is a vertical displacement 70cm or more between the two fault walls.According to the epicenter and differential occurrence times from the National Earthquake Information Center,China Earthquake Network Center,Harvard and USGS,it is suggested that the seismic fault ruptured from north to south. | SHAN Xinjian QU Chunyan WANG Chisheng ZHANG Guifang ZHANG Guohong SONG Xiaogang GUO Liming LIU Yunhua | 2012 | Acta Geologica Sinica(English Edition)2012，86，1： | 2 |
| 14 | 盲逆断层震后变形耦合机制研究——以2017年伊朗M_(W)7.3地震为例显示文摘震后变形是地震周期中一个重要阶段,深入研究其产生机制有助于提高对地震演化过程、断层性质及地震危险性评估的认识.2017年伊朗M_(W)7.3地震InSAR观测资料丰富,为研究扎格罗斯造山带山前褶皱带盲逆冲断层震后变形机制提供了切入点.合理详细的震源模型及高精度的形变观测是开展震后余滑或黏弹松弛研究的首要前提,本文采用多视角InSAR资料联合远场波形数据反演该地震的破裂滑动分布,并解算得到伪三维地表位移,利用InSAR时序分析提取震源区主震后一年半内变形特征,显示震源区震后形变特征与同震位移场类似,LOS向形变速率最大值约8 cm·a^(-1),震后变形预示震源区可能存在明显的震后应力调整现象.利用震后半年内形变资料约束的纯运动学余滑模型表明同时期释放能量为矩震级M_(W)6.7,进一步探讨应力驱动震后余滑及下地壳黏弹性松弛对震后变形的贡献,基于分层黏弹模型的模拟计算表明震后余滑和黏弹松弛效应的耦合模型可以更好地解释地表震后变形特征,其中震后余滑主要分布在同震破裂区的上方浅部,对主震后一年半内震后地表变形起主导作用,震源区壳下黏滞系数量级下限约为10^(19)Pa·s,震后变形对扎格罗斯褶皱带的生长有一定的促进作用,更长周期的震后变形机制研究还需长期高精度观测和顾及岩石圈流变结构的横向不均一性. | 王洵 王卫民 何建坤 周云 | 2024 | 地球物理学报2024，67，2： | 0 |
| 15 | 基于InSAR技术的同震形变获取、地震应急监测和发震构造研究应用进展显示文摘随着大地测量观测理论、观测平台和观测技术的发展与进步,InSAR作为一种新型的遥感地质观测途径和数据源,在同震形变获取、地震应急监测、抗震救灾和发震构造科学研究中发挥了越来越重要和不可替代的作用。其中,InSAR在同震形变监测中的应用最为广泛,能够在重要灾害性地震事件发生后及时响应,在识别隐伏断层、确定发震断层、监测地表破裂、研究发震断层的运动学特征、获取三维形变以及厘定发震构造等问题中能提供有效的地表观测数据和模型约束。InSAR观测以其大范围、高精度、及时性等技术和数据优势,在地震应急观测方面的科技支撑作用逐渐凸显,能解决防震减灾的实际需求并逐渐趋于业务化。梳理近年来InSAR技术在不同活动构造区和地震危险区地震周期形变监测中的应用、分析基于InSAR同震形变观测的断层运动学特征和发震构造研究、讨论InSAR技术的前沿发展趋势,能更好地服务于当前青藏高原及周边广大地区的防震减灾事业,有助于实现活动断层的地震危险性评估等科学目标。基于此,文中简要综述了近20年来InSAR技术在同震形变获取、应用中的现状、业务化、科学认识和存在的问题。 | 赵德政 屈春燕 张桂芳 龚文瑜 单新建 朱传华 张国宏 宋小刚 | 2023 | 地震地质2023，45，2： | 0 |
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