Divide migration in response to asymmetric uplift: Insights from the Wula Shan horst, North China

He, Chuanqi; Rao, Gang; Yang, Rong; Hu, Jianmin; Yao, Qi; Yang, Ci-Jian

doi:10.1016/j.geomorph.2019.04.024

Cited by 47 publications

(54 citation statements)

References 58 publications

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“…The MDD tends to migrate towards the side with a higher uplift rate 10 , 27 , 29 , 30 , lower precipitation and/or higher rock resistance 10 , 27 , 29 , 31 – 33 , and in the direction of advection 6 , 8 , 27 , 32 , 34 , 35 . Divide dynamics can be understood conceptually by focusing on three forces: advection, asymmetric uplift, and asymmetric erosion.…”

Section: Discussionmentioning

confidence: 99%

Constraining tectonic uplift and advection from the main drainage divide of a mountain belt

Yang

Turowski

et al. 2021

Nat Commun

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One of the most conspicuous features of a mountain belt is the main drainage divide. Divide location is influenced by a number of parameters, including tectonic uplift and horizontal advection. Thus, the topography of mountain belts can be used as an archive to extract tectonic information. Here we combine numerical landscape evolution modelling and analytical solutions to demonstrate that mountain asymmetry, determined by the location of the main drainage divide, increases with increasing uplift gradient and advection velocity. Then, we provide a conceptual framework to constrain the present or previous tectonic uplift and advection of a mountain belt from the location and migration direction of its main drainage divide. Furthermore, we apply our model to Wula Shan horst, Northeastern Sicily, and Southern Taiwan.

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Section: Discussionmentioning

confidence: 99%

Constraining tectonic uplift and advection from the main drainage divide of a mountain belt

Yang

Turowski

et al. 2021

Nat Commun

Self Cite

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“…In recent years, there has been increasing awareness that divide is a kind of dynamic, rather than static, feature in geomorphic systems [2,[4][5][6][7]. Divide migration would change regional drainage area, sediment flux, and stream power, and hence influence regional erosion process, population genetic structure, and further present opportunities to examine landscape-scale interactions among tectonics, erosion, and ecology [2,[8][9][10][11][12][13]. Therefore, researches on divide mobility, subsequent fluvial network configuration, and the corresponding landscape evolution have been widely considered in recent years [2,4,6,[14][15][16][17].…”

Section: Introductionmentioning

confidence: 99%

“…Both conceptual model and numerical simulation results have demonstrated that, for a simple synthetic landscape (i.e., uniform uplift, rock erodibility, and climate conditions), divide is sensitive to cross-divide erosion and may migrate to the side with low erosion rate [1,2,14]. With further research, a growing number of studies suggested that divide migration can also be affected by many factors, including the tectonic asymmetric uplift [9,15,18], differences in rock erodibility and precipitation across the divide [19,20], tectonic horizontal advection [15,21], and even the short time-scale extreme events, for example, the occurrence of landslides [22,23]. Within all the factors, the tectonic asymmetric uplift, which is mainly controlled by the fault activity, has always been regarded as the most important factor, for its effects on local climate, rock strength, and the triggering on landslides [9,14,18,24].…”

Section: Introductionmentioning

confidence: 99%

“…With further research, a growing number of studies suggested that divide migration can also be affected by many factors, including the tectonic asymmetric uplift [9,15,18], differences in rock erodibility and precipitation across the divide [19,20], tectonic horizontal advection [15,21], and even the short time-scale extreme events, for example, the occurrence of landslides [22,23]. Within all the factors, the tectonic asymmetric uplift, which is mainly controlled by the fault activity, has always been regarded as the most important factor, for its effects on local climate, rock strength, and the triggering on landslides [9,14,18,24]. The numerical-analytical approaches indicated that the main divide prefers to migrate towards the high uplift rate face in the asymmetric uplift pattern, and finally reaches a quasi-steady state [14,21].…”

Section: Introductionmentioning

confidence: 99%

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Dynamic Divide Migration as a Response to Asymmetric Uplift: An Example from the Zhongtiao Shan, North China

Hong³

2020

Remote Sensing

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Previous numerical–analytical approaches have suggested that the main range divide prefers to migrate towards the high uplift flank in the asymmetric tectonic uplift pattern. However, natural examples recording these processes and further verifying the numerical simulations results, are still lacking. In this study, the landscape features, and the probable drainage evolution history of the Zhongtiao Shan, a roughly west-east trending, half-horst block on the southernmost tip of the Shanxi Graben System, were investigated through the geomorphic analyses (i.e., slope and steepness distributions, and the Gilbert and χ metrics). The topographic slope and steepness results indicate that the Zhongtiao Shan, controlled by the north Zhongtiao Shan normal fault, experiences asymmetric uplift and erosion patterns, with higher uplift and erosion on the north range. In addition, the Gilbert and χ metrics suggest that the western part of the main divide is currently stable, while the eastern divide is moving southward. According to the drainage divide stability criteria, we suggest that the uplift and erosion, on the fault side, balance each other well on the western part of the range, while on the eastern part, the uplift is outpaced by the erosion. In addition, a dynamic divide migration model in the asymmetric uplift condition is proposed, indicating that the interaction between uplift and erosion controls the migration and/or stability of the main divide. Deducing through this dynamic model, we suggested that the eastern segment of the north Zhongtiaoshan Fault must have experienced higher activities in the geological history, and the western fault may remain its activity along with the mountain relief generation. This gives a case that specific information on asymmetric neotectonic history and landscape evolution in an orogenic mountain can be uncovered by the proposed dynamic model.

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“…The fault could be divided into three major segments: the Wulateqianqi segment, Gongmiaozi segment, and Baotou segment.Studies on trenches revealed six events on Gongmiaozi segment since 25 ka and 14 events on the Baotou segment since 120 ka(He, Ma, Hao, Zhao, & Wang, 2020). According to researches on the terrace formed by the activity of the Wulashan Mountain piedmont fault since Late Quaternary, the vertical slip rates of the fault show a decreasing trend from 2.2 to 2.28 mm/a since 50 ka to 1.12-1.34 mm/a in the Holocene(He et al, 2019;He, Ma, et al, 2020).…”

mentioning

confidence: 99%

Holocene stratigraphic sequences in the northern Ordos Plateau and its implications for the disappearance of Huoluochaideng ancient city in the Han Dynasty, North China

2020

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The Huoluochaideng ancient city, located in the northern Ordos Plateau, once was a prosperous metropolis in Han Dynasty. However, the city suddenly disappeared at 2.0 ka and the reason for the disappearance is still a mystery. In this article, detailed analysis on the Holocene stratigraphic sequences and active tectonics in the area of northern Ordos Plateau are presented to reveal the reasons for the Huoluochaideng ancient city's disappearance. Our results show that the Huoluochaideng ancient cities were filled with the flood deposits and buried on a group scale. The Holocene flood deposits were widely distributed in the ancient city and adjacent areas. The 14 C dating results of the flood deposits demonstrated the ancient city experienced at least three palaeoflood events (~2.05,~1.99, and~1.85 ka) during the Late Holocene, which are consistent with the occurrence time of the most recent palaeoearthquake events (~2.08-1.85 ka) on the Langshan Mountain piedmont fault. Therefore, it is suggested that the palaeoearthquake events and their secondary damages led to the outbreak of extensive floods in the northern Ordos Plateau. After the last flood event (~1.85 ka), the Huoluochaideng ancient city was buried again by the northward moving Kubuqi Desert due to the arid climate and desertification. In summary, the disappearance of Huoluochaideng ancient city is suggested to relate with the great flood events that was triggered by the palaeoearthquake on the Langshan Mountain piedmont fault, such as the levees break of the Yellow River.

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Divide migration in response to asymmetric uplift: Insights from the Wula Shan horst, North China

Cited by 47 publications

References 58 publications

Constraining tectonic uplift and advection from the main drainage divide of a mountain belt

Constraining tectonic uplift and advection from the main drainage divide of a mountain belt

Dynamic Divide Migration as a Response to Asymmetric Uplift: An Example from the Zhongtiao Shan, North China

Holocene stratigraphic sequences in the northern Ordos Plateau and its implications for the disappearance of Huoluochaideng ancient city in the Han Dynasty, North China

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