River capture in the middle reaches of the palaeo-Yarlung Zangbo River

There are 51 tributaries in the middle reaches of the Yarlung Zangbo River (YZR), and the confluences of 87% of the tributaries west of Jiacha Gorge are high-angle or perpendicular, reflecting the anomalous development of these tributaries. In this paper, field investigation and digital elevation mo...

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Main Authors: Yong Liu, Yunsheng Wang, Liangshuai Wei, Tong Shen, Qinfeng Shu, Anbang Huang, Yi Jia
Format: Article
Language:English
Published: The Royal Society 2020-04-01
Series:Royal Society Open Science
Subjects:
Online Access:https://royalsocietypublishing.org/doi/pdf/10.1098/rsos.191753
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author Yong Liu
Yunsheng Wang
Liangshuai Wei
Tong Shen
Qinfeng Shu
Anbang Huang
Yi Jia
author_facet Yong Liu
Yunsheng Wang
Liangshuai Wei
Tong Shen
Qinfeng Shu
Anbang Huang
Yi Jia
author_sort Yong Liu
collection DOAJ
description There are 51 tributaries in the middle reaches of the Yarlung Zangbo River (YZR), and the confluences of 87% of the tributaries west of Jiacha Gorge are high-angle or perpendicular, reflecting the anomalous development of these tributaries. In this paper, field investigation and digital elevation model (DEM) methods were used to analyse the causes of this anomalous phenomenon, and it was found that there was a watershed in the area of the Jiacha Gorge. The palaeo-YZR west of the Jiacha Gorge flowed westward before the early Pleistocene into the Zada, Zhongba, Jilong and Gamba–Dingri palaeolakes, which featured a large amount of total accommodation space in the western Qinghai–Tibet Plateau; thus, this river was a continental river. With the intensification of the collision between the Indian plate and the Eurasian plate, the Qinghai–Tibet Plateau experienced rapid uplift and formed a landscape with high elevations in the west and lower elevations in the east, promoting the headward erosion of the eastward-flowing river. During the early Pleistocene, the river east of the Jiacha Gorge crossed the watershed and captured the palaeo-YZR, causing a reversal in the flow direction of the palaeo-YZR.
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spelling doaj.art-f4588a358ee4403a9d2a46a3778d0dbc2022-12-22T01:12:00ZengThe Royal SocietyRoyal Society Open Science2054-57032020-04-017410.1098/rsos.191753191753River capture in the middle reaches of the palaeo-Yarlung Zangbo RiverYong LiuYunsheng WangLiangshuai WeiTong ShenQinfeng ShuAnbang HuangYi JiaThere are 51 tributaries in the middle reaches of the Yarlung Zangbo River (YZR), and the confluences of 87% of the tributaries west of Jiacha Gorge are high-angle or perpendicular, reflecting the anomalous development of these tributaries. In this paper, field investigation and digital elevation model (DEM) methods were used to analyse the causes of this anomalous phenomenon, and it was found that there was a watershed in the area of the Jiacha Gorge. The palaeo-YZR west of the Jiacha Gorge flowed westward before the early Pleistocene into the Zada, Zhongba, Jilong and Gamba–Dingri palaeolakes, which featured a large amount of total accommodation space in the western Qinghai–Tibet Plateau; thus, this river was a continental river. With the intensification of the collision between the Indian plate and the Eurasian plate, the Qinghai–Tibet Plateau experienced rapid uplift and formed a landscape with high elevations in the west and lower elevations in the east, promoting the headward erosion of the eastward-flowing river. During the early Pleistocene, the river east of the Jiacha Gorge crossed the watershed and captured the palaeo-YZR, causing a reversal in the flow direction of the palaeo-YZR.https://royalsocietypublishing.org/doi/pdf/10.1098/rsos.191753demplate collisionpalaeolakesjiacha gorgewatershedflow reverse
spellingShingle Yong Liu
Yunsheng Wang
Liangshuai Wei
Tong Shen
Qinfeng Shu
Anbang Huang
Yi Jia
River capture in the middle reaches of the palaeo-Yarlung Zangbo River
Royal Society Open Science
dem
plate collision
palaeolakes
jiacha gorge
watershed
flow reverse
title River capture in the middle reaches of the palaeo-Yarlung Zangbo River
title_full River capture in the middle reaches of the palaeo-Yarlung Zangbo River
title_fullStr River capture in the middle reaches of the palaeo-Yarlung Zangbo River
title_full_unstemmed River capture in the middle reaches of the palaeo-Yarlung Zangbo River
title_short River capture in the middle reaches of the palaeo-Yarlung Zangbo River
title_sort river capture in the middle reaches of the palaeo yarlung zangbo river
topic dem
plate collision
palaeolakes
jiacha gorge
watershed
flow reverse
url https://royalsocietypublishing.org/doi/pdf/10.1098/rsos.191753
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AT tongshen rivercaptureinthemiddlereachesofthepalaeoyarlungzangboriver
AT qinfengshu rivercaptureinthemiddlereachesofthepalaeoyarlungzangboriver
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