Geomorphological signatures of the evolution of active normal faults along the Langshan Mountains, North China

He, Chuanqi; Cheng, Yi‐Feng; Rao, Gang; Chen, Peng; Hu, Jianmin; Yu, Yangli; Yao, Qi

doi:10.1080/09853111.2018.1458935

Cited by 28 publications

(18 citation statements)

References 97 publications

(124 reference statements)

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“…At present, faults in plain areas can be identified by LiDAR-derived high-resolution digital elevation models (DEM) (Kondo et al 2008;Bhosle et al 2009;Ahmad et al 2015;Deffontaines et al 2017;Goto et al 2017;Chang et al 2018;Dong and Chen 2018). Various geomorphological indexes have been proposed to quantify fault activity (Troiani and Seta 2008;Arrowsmith and Zielke 2009;Parul et al 2013;Troiani et al 2014;Gao et al 2015;Liu et al 2015;Liu and Du 2016;Kaushal et al 2017;Wang et al 2017;He et al 2018;Pavano et al 2018;Sharma et al 2018;Wang et al 2019). Terrain analysis of seismogenic faults has been well documented in studies areas around the world (Cello et al 2000;Lin et al 2003;Pucci et al 2003;Maschio et al 2005;Irikura 2012; Mahmood and Gloaguen 2012 ;Robinson and Davies 2013 ;Koukouvelas et al 2018), and has become a major method for studying neotectonics, seismogeology, and paleoseismology (Papanikolaou et al 2015).…”

Section: Introductionmentioning

confidence: 99%

Geomorphic analysis of Xiadian buried fault zone in Eastern Beijing plain based on SPOT image and unmanned aerial vehicle (UAV) data

Wang

Dong

Zhu

et al. 2021

Geomatics, Natural Hazards and Risk

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This study presents geomorphic analysis of Xiadian buried fault in eastern Beijing plain (China), based on the analysis of a Satellite Pour l'Observation de la Terre (SPOT-5) image, a high-resolution digital elevation model (DEM) derived from an unmanned aerial vehicle (UAV) system, SRTM DEM and field investigation. Interpretations of the SPOT-5 image show that the pits always distribute between fault scarp segments or shallow grooves. The geomorphic features near the fault show echelon arrangements caused by dextral strike-slip activities of the fault. Based on this, the characteristics of stress field in this area have been clearly inferred. At centimeter-level accuracy, UAV-derived DEM profiles can clearly show micro tectonic landforms such as fault scarps, shallow grooves, steep slopes, and pits. Combined with previous research and field measurements, the evolution rates in length and height of the fault scarps are analysed. Furthermore, the deflection analysis of the drainage system also shows the characteristics of the continuous strike slip activity of the Xiadian fault. The study can provide valuable insight into geomorphic analysis of buried and semi-buried active faults in plain areas with increasingly frequent human activities.

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Section: Introductionmentioning

confidence: 99%

Geomorphic analysis of Xiadian buried fault zone in Eastern Beijing plain based on SPOT image and unmanned aerial vehicle (UAV) data

Wang

Dong

Zhu

et al. 2021

Geomatics, Natural Hazards and Risk

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“…2018), the Langshan mountains in northern China (He et al . 2018), and the Zagros mountains in northern Iraq (Obaid & Allen 2017; Obaid & Allen 2019; Zebari et al . 2019).…”

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confidence: 99%

“…An analysis by He et al . (2018) in northern China revealed that the quantitative geomorphologic indices could explain the disequilibrium landscape responding to active rock uplift and channel incision.…”

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confidence: 99%

“…Geomorphologic indices have been used to assess active tectonics in different regions of the world, such as the SE mountains of Spain (Silva et al 2003), the Sierra Nevada mountain range of Spain (Perez-Pena et al 2010), the Hindu Kush mountains of northern Pakistan (Mahmood & Gloaguen 2012), the SW coast of India (Markose & Jayappa 2013), central Anatolia in Turkey (Yıldırım 2014), the Van basin in eastern Turkey (Selçuk 2016), the Himalayan basin in India (Dubey & Satyam 2018), the northwestern coast of Algeria (Benbakhti et al 2018), the Langshan mountains in northern China (He et al 2018), and the Zagros mountains in northern Iraq (Obaid & Allen 2017;Obaid & Allen 2019;Zebari et al 2019). For instance, Yıldırım (2014) has noted that the geomorphic indices are compatible with the general relief of the mountain front and differential uplift along the fault zone of central Anatolia.…”

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confidence: 99%

“…Benbakhti et al (2018), in a study on the coastal area of Algeria, revealed that elusive active tectonics characterised by geomorphic indices could aid in the evaluation of regional seismic hazards. An analysis by He et al (2018) in northern China revealed that the quantitative geomorphologic indices could explain the disequilibrium landscape responding to active rock uplift and channel incision.…”

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confidence: 99%

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Evaluation of active tectonics using geomorphic indices in a mountainous basin of Iran

Baharvand

Pardhan

Soori

2020

Earth and Environmental Science Transactions of the Royal Socie

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This study aims to evaluate the tectonic activities of the Vark basin, located in the great basin of Dez River in northwestern Iran, using geomorphologic indices combined with the geographical information system technique. Some geomorphic indices were used to achieve this aim. In this regard, the indices of stream length (SL), drainage asymmetry (Af), hypsometric integral (Hi), valley floor ratio (Vf), basin shape (Bs), and mountain sinuosity (Smf) were estimated to reach an average index of relative tectonics (Iat), indicating the intensity classes of tectonic activity. The mean SL, Hi, Vf, and Bs values were estimated as 2273, 0.55, 0.45, and 1.75, respectively, regarding the active class of tectonic activity. Therefore, considering the Af and Smf indices with values of 27 and 1.14, the basin was categorised as having semi-active conditions. The overall Iat, with a value of 1.33, represented the very high class (1.0 < Iat < 1.5) of tectonic activity. Hence, by calculating the index of relative active tectonics, the study area is observed as the intensive class concerning tectonic movements. Overall, the mean values of the Iat for all sub-basins were calculated as 1.50, 1.17, and 1.83, revealing the very high and high classes of active tectonics in the basin. The results obtained on tectonic activity were further confirmed during field observations by examining the structurally complex joints, folds, slips, faults, and fractures of the area, which reflect the dynamic nature of the regional tectonics.

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Active tectonics of the Thoubal‐Chandel Thrust, Manipur Hills, Indo‐Myanmar Range, northeast India: Insights into deformation pattern of adjacent thrust sheets in a growing orogen

Kshetrimayum

Goswami

2022

Geological Journal

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The NE–SW trending and SE dipping Thoubal‐Chandel Thrust (TCT) in eastern Manipur Hills of the Indo‐Myanmar Range (IMR) places the Thoubal‐Chandel thrust sheet over the Churachandpur‐Mao thrust sheet. Despite being seismically active, the active tectonic aspects of the major structural discontinuities within the IMR, including TCT, are not yet studied in detail. The present study aims to examine the active tectonics of the TCT and other associated faults, with particular focus on deformation of the Churachandpur‐Mao, and Thoubal‐Chandel thrust sheets. Association and disposition of landforms, and statistical analyses of Mountain‐front Sinuosity Index (Smf), Stream Length‐Gradient Index (SL), Hypsometric Integral (HI), Drainage Basin Asymmetry Factor, and Transverse Topography Symmetry Factor (T) reveal that both of these adjacently lying thrust sheets are actively uplifting due to oblique‐slip movement on their basal thrusts, but with spatially variable rates. In general, higher SL (mode = 219) and HI (mode = 0.527) in large parts suggest faster uplift of the Thoubal‐Chandel thrust sheet than the Churachandpur‐Moa thrust sheet, which has comparatively lower SL (Mode = 140) and HI (mode = 0.416). However, differential along‐strike uplift rates have caused tilting of both the thrust sheets. Faster uplift of the northern part of Thoubal‐Chandel thrust sheet has caused its overall southward down‐tilting, whereas faster uplift of the southern part of Churachandpur‐Mao thrust sheet has caused its overall northward down‐tilting. The study brings out that the deformation pattern of even the adjacent thrust sheets of growing orogens could be at stark variance albeit the same stress regime.

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Geomorphological signatures of the evolution of active normal faults along the Langshan Mountains, North China

Abstract: chengdu, china; d china earthquake networks center, china earthquake administration, Beijing, china

Cited by 28 publications

References 97 publications

Geomorphic analysis of Xiadian buried fault zone in Eastern Beijing plain based on SPOT image and unmanned aerial vehicle (UAV) data

Geomorphic analysis of Xiadian buried fault zone in Eastern Beijing plain based on SPOT image and unmanned aerial vehicle (UAV) data

Evaluation of active tectonics using geomorphic indices in a mountainous basin of Iran

Active tectonics of the Thoubal‐Chandel Thrust, Manipur Hills, Indo‐Myanmar Range, northeast India: Insights into deformation pattern of adjacent thrust sheets in a growing orogen

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