Reconstruction of catastrophic outburst floods of the Diexi ancient landslide-dammed lake in the Upper Minjiang River, Eastern Tibetan Plateau
Abstract Landslide-dammed lake outburst floods (LLOFs) may pose serious safety threats to nearby residents and their livelihoods, as well as cause major damages to the downstream areas in mountainous regions. This study presents the Diexi ancient landslide-dammed lake (DALL), located along the Upper...
Ausführliche Beschreibung
Autor*in: |
Ma, Junxue [verfasserIn] |
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Artikel |
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Sprache: |
Englisch |
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2022 |
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Anmerkung: |
© The Author(s), under exclusive licence to Springer Nature B.V. 2022 |
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Übergeordnetes Werk: |
Enthalten in: Natural hazards - Springer Netherlands, 1988, 112(2022), 2 vom: 06. Feb., Seite 1191-1221 |
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Übergeordnetes Werk: |
volume:112 ; year:2022 ; number:2 ; day:06 ; month:02 ; pages:1191-1221 |
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DOI / URN: |
10.1007/s11069-022-05223-z |
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Katalog-ID: |
OLC2078737674 |
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520 | |a Abstract Landslide-dammed lake outburst floods (LLOFs) may pose serious safety threats to nearby residents and their livelihoods, as well as cause major damages to the downstream areas in mountainous regions. This study presents the Diexi ancient landslide-dammed lake (DALL), located along the Upper Minjiang River, in the eastern margins of the Tibetan Plateau. The DALL is known to have an estimated previous maximal lake area of 1.1 × $ 10^{7} $ $ m^{2} $ and an impounded volume of 2.9 × $ 10^{9} $ $ m^{3} $. At approximately 27 ka BP, the ancient landslide dam failed, and catastrophic LLOFs occurred. It was determined that the peak discharge of the Diexi ancient LLOFs could be reconstructed using regression, parametric, and boulder competence approaches. The reconstructed average maximum peak discharge was approximately 79,500 $ m^{3} $/s, with an estimated uncertainty bound of 70,000 to 90,000 $ m^{3} $/s. This indicated that the Diexi ancient LLOFs were the largest outburst floods to have occurred in the Upper Minjiang River Valley since the Late Pleistocene Period. The differences in the widths and slopes within the former and latter reaches of the dam indicated that the geomorphic influences on the river channel resulting from the DALL and its LLOFs have been present for tens of thousands of years. These findings were of major significance in deepening the understanding of the existence and disappearances of important river knickpoints on a time scale of tens of thousands of years. | ||
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10.1007/s11069-022-05223-z doi (DE-627)OLC2078737674 (DE-He213)s11069-022-05223-z-p DE-627 ger DE-627 rakwb eng 550 VZ 14 ssgn Ma, Junxue verfasserin (orcid)0000-0002-1922-2880 aut Reconstruction of catastrophic outburst floods of the Diexi ancient landslide-dammed lake in the Upper Minjiang River, Eastern Tibetan Plateau 2022 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Author(s), under exclusive licence to Springer Nature B.V. 2022 Abstract Landslide-dammed lake outburst floods (LLOFs) may pose serious safety threats to nearby residents and their livelihoods, as well as cause major damages to the downstream areas in mountainous regions. This study presents the Diexi ancient landslide-dammed lake (DALL), located along the Upper Minjiang River, in the eastern margins of the Tibetan Plateau. The DALL is known to have an estimated previous maximal lake area of 1.1 × $ 10^{7} $ $ m^{2} $ and an impounded volume of 2.9 × $ 10^{9} $ $ m^{3} $. At approximately 27 ka BP, the ancient landslide dam failed, and catastrophic LLOFs occurred. It was determined that the peak discharge of the Diexi ancient LLOFs could be reconstructed using regression, parametric, and boulder competence approaches. The reconstructed average maximum peak discharge was approximately 79,500 $ m^{3} $/s, with an estimated uncertainty bound of 70,000 to 90,000 $ m^{3} $/s. This indicated that the Diexi ancient LLOFs were the largest outburst floods to have occurred in the Upper Minjiang River Valley since the Late Pleistocene Period. The differences in the widths and slopes within the former and latter reaches of the dam indicated that the geomorphic influences on the river channel resulting from the DALL and its LLOFs have been present for tens of thousands of years. These findings were of major significance in deepening the understanding of the existence and disappearances of important river knickpoints on a time scale of tens of thousands of years. Landslide dam Ancient dammed lake Landslide-dammed lake outburst floods (LLOFs) Peak discharge Uncertainty assessment Chen, Jian (orcid)0000-0002-3323-7560 aut Cui, Zhijiu (orcid)0000-0003-0306-0909 aut Zhou, Wendy aut Chen, Ruichen (orcid)0000-0001-7988-8900 aut Wang, Chengbiao aut Enthalten in Natural hazards Springer Netherlands, 1988 112(2022), 2 vom: 06. Feb., Seite 1191-1221 (DE-627)131010271 (DE-600)1088547-X (DE-576)03285272X 0921-030X nnns volume:112 year:2022 number:2 day:06 month:02 pages:1191-1221 https://doi.org/10.1007/s11069-022-05223-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-MAT SSG-OPC-GGO SSG-OPC-MAT AR 112 2022 2 06 02 1191-1221 |
spelling |
10.1007/s11069-022-05223-z doi (DE-627)OLC2078737674 (DE-He213)s11069-022-05223-z-p DE-627 ger DE-627 rakwb eng 550 VZ 14 ssgn Ma, Junxue verfasserin (orcid)0000-0002-1922-2880 aut Reconstruction of catastrophic outburst floods of the Diexi ancient landslide-dammed lake in the Upper Minjiang River, Eastern Tibetan Plateau 2022 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Author(s), under exclusive licence to Springer Nature B.V. 2022 Abstract Landslide-dammed lake outburst floods (LLOFs) may pose serious safety threats to nearby residents and their livelihoods, as well as cause major damages to the downstream areas in mountainous regions. This study presents the Diexi ancient landslide-dammed lake (DALL), located along the Upper Minjiang River, in the eastern margins of the Tibetan Plateau. The DALL is known to have an estimated previous maximal lake area of 1.1 × $ 10^{7} $ $ m^{2} $ and an impounded volume of 2.9 × $ 10^{9} $ $ m^{3} $. At approximately 27 ka BP, the ancient landslide dam failed, and catastrophic LLOFs occurred. It was determined that the peak discharge of the Diexi ancient LLOFs could be reconstructed using regression, parametric, and boulder competence approaches. The reconstructed average maximum peak discharge was approximately 79,500 $ m^{3} $/s, with an estimated uncertainty bound of 70,000 to 90,000 $ m^{3} $/s. This indicated that the Diexi ancient LLOFs were the largest outburst floods to have occurred in the Upper Minjiang River Valley since the Late Pleistocene Period. The differences in the widths and slopes within the former and latter reaches of the dam indicated that the geomorphic influences on the river channel resulting from the DALL and its LLOFs have been present for tens of thousands of years. These findings were of major significance in deepening the understanding of the existence and disappearances of important river knickpoints on a time scale of tens of thousands of years. Landslide dam Ancient dammed lake Landslide-dammed lake outburst floods (LLOFs) Peak discharge Uncertainty assessment Chen, Jian (orcid)0000-0002-3323-7560 aut Cui, Zhijiu (orcid)0000-0003-0306-0909 aut Zhou, Wendy aut Chen, Ruichen (orcid)0000-0001-7988-8900 aut Wang, Chengbiao aut Enthalten in Natural hazards Springer Netherlands, 1988 112(2022), 2 vom: 06. Feb., Seite 1191-1221 (DE-627)131010271 (DE-600)1088547-X (DE-576)03285272X 0921-030X nnns volume:112 year:2022 number:2 day:06 month:02 pages:1191-1221 https://doi.org/10.1007/s11069-022-05223-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-MAT SSG-OPC-GGO SSG-OPC-MAT AR 112 2022 2 06 02 1191-1221 |
allfields_unstemmed |
10.1007/s11069-022-05223-z doi (DE-627)OLC2078737674 (DE-He213)s11069-022-05223-z-p DE-627 ger DE-627 rakwb eng 550 VZ 14 ssgn Ma, Junxue verfasserin (orcid)0000-0002-1922-2880 aut Reconstruction of catastrophic outburst floods of the Diexi ancient landslide-dammed lake in the Upper Minjiang River, Eastern Tibetan Plateau 2022 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Author(s), under exclusive licence to Springer Nature B.V. 2022 Abstract Landslide-dammed lake outburst floods (LLOFs) may pose serious safety threats to nearby residents and their livelihoods, as well as cause major damages to the downstream areas in mountainous regions. This study presents the Diexi ancient landslide-dammed lake (DALL), located along the Upper Minjiang River, in the eastern margins of the Tibetan Plateau. The DALL is known to have an estimated previous maximal lake area of 1.1 × $ 10^{7} $ $ m^{2} $ and an impounded volume of 2.9 × $ 10^{9} $ $ m^{3} $. At approximately 27 ka BP, the ancient landslide dam failed, and catastrophic LLOFs occurred. It was determined that the peak discharge of the Diexi ancient LLOFs could be reconstructed using regression, parametric, and boulder competence approaches. The reconstructed average maximum peak discharge was approximately 79,500 $ m^{3} $/s, with an estimated uncertainty bound of 70,000 to 90,000 $ m^{3} $/s. This indicated that the Diexi ancient LLOFs were the largest outburst floods to have occurred in the Upper Minjiang River Valley since the Late Pleistocene Period. The differences in the widths and slopes within the former and latter reaches of the dam indicated that the geomorphic influences on the river channel resulting from the DALL and its LLOFs have been present for tens of thousands of years. These findings were of major significance in deepening the understanding of the existence and disappearances of important river knickpoints on a time scale of tens of thousands of years. Landslide dam Ancient dammed lake Landslide-dammed lake outburst floods (LLOFs) Peak discharge Uncertainty assessment Chen, Jian (orcid)0000-0002-3323-7560 aut Cui, Zhijiu (orcid)0000-0003-0306-0909 aut Zhou, Wendy aut Chen, Ruichen (orcid)0000-0001-7988-8900 aut Wang, Chengbiao aut Enthalten in Natural hazards Springer Netherlands, 1988 112(2022), 2 vom: 06. Feb., Seite 1191-1221 (DE-627)131010271 (DE-600)1088547-X (DE-576)03285272X 0921-030X nnns volume:112 year:2022 number:2 day:06 month:02 pages:1191-1221 https://doi.org/10.1007/s11069-022-05223-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-MAT SSG-OPC-GGO SSG-OPC-MAT AR 112 2022 2 06 02 1191-1221 |
allfieldsGer |
10.1007/s11069-022-05223-z doi (DE-627)OLC2078737674 (DE-He213)s11069-022-05223-z-p DE-627 ger DE-627 rakwb eng 550 VZ 14 ssgn Ma, Junxue verfasserin (orcid)0000-0002-1922-2880 aut Reconstruction of catastrophic outburst floods of the Diexi ancient landslide-dammed lake in the Upper Minjiang River, Eastern Tibetan Plateau 2022 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Author(s), under exclusive licence to Springer Nature B.V. 2022 Abstract Landslide-dammed lake outburst floods (LLOFs) may pose serious safety threats to nearby residents and their livelihoods, as well as cause major damages to the downstream areas in mountainous regions. This study presents the Diexi ancient landslide-dammed lake (DALL), located along the Upper Minjiang River, in the eastern margins of the Tibetan Plateau. The DALL is known to have an estimated previous maximal lake area of 1.1 × $ 10^{7} $ $ m^{2} $ and an impounded volume of 2.9 × $ 10^{9} $ $ m^{3} $. At approximately 27 ka BP, the ancient landslide dam failed, and catastrophic LLOFs occurred. It was determined that the peak discharge of the Diexi ancient LLOFs could be reconstructed using regression, parametric, and boulder competence approaches. The reconstructed average maximum peak discharge was approximately 79,500 $ m^{3} $/s, with an estimated uncertainty bound of 70,000 to 90,000 $ m^{3} $/s. This indicated that the Diexi ancient LLOFs were the largest outburst floods to have occurred in the Upper Minjiang River Valley since the Late Pleistocene Period. The differences in the widths and slopes within the former and latter reaches of the dam indicated that the geomorphic influences on the river channel resulting from the DALL and its LLOFs have been present for tens of thousands of years. These findings were of major significance in deepening the understanding of the existence and disappearances of important river knickpoints on a time scale of tens of thousands of years. Landslide dam Ancient dammed lake Landslide-dammed lake outburst floods (LLOFs) Peak discharge Uncertainty assessment Chen, Jian (orcid)0000-0002-3323-7560 aut Cui, Zhijiu (orcid)0000-0003-0306-0909 aut Zhou, Wendy aut Chen, Ruichen (orcid)0000-0001-7988-8900 aut Wang, Chengbiao aut Enthalten in Natural hazards Springer Netherlands, 1988 112(2022), 2 vom: 06. Feb., Seite 1191-1221 (DE-627)131010271 (DE-600)1088547-X (DE-576)03285272X 0921-030X nnns volume:112 year:2022 number:2 day:06 month:02 pages:1191-1221 https://doi.org/10.1007/s11069-022-05223-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-MAT SSG-OPC-GGO SSG-OPC-MAT AR 112 2022 2 06 02 1191-1221 |
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10.1007/s11069-022-05223-z doi (DE-627)OLC2078737674 (DE-He213)s11069-022-05223-z-p DE-627 ger DE-627 rakwb eng 550 VZ 14 ssgn Ma, Junxue verfasserin (orcid)0000-0002-1922-2880 aut Reconstruction of catastrophic outburst floods of the Diexi ancient landslide-dammed lake in the Upper Minjiang River, Eastern Tibetan Plateau 2022 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Author(s), under exclusive licence to Springer Nature B.V. 2022 Abstract Landslide-dammed lake outburst floods (LLOFs) may pose serious safety threats to nearby residents and their livelihoods, as well as cause major damages to the downstream areas in mountainous regions. This study presents the Diexi ancient landslide-dammed lake (DALL), located along the Upper Minjiang River, in the eastern margins of the Tibetan Plateau. The DALL is known to have an estimated previous maximal lake area of 1.1 × $ 10^{7} $ $ m^{2} $ and an impounded volume of 2.9 × $ 10^{9} $ $ m^{3} $. At approximately 27 ka BP, the ancient landslide dam failed, and catastrophic LLOFs occurred. It was determined that the peak discharge of the Diexi ancient LLOFs could be reconstructed using regression, parametric, and boulder competence approaches. The reconstructed average maximum peak discharge was approximately 79,500 $ m^{3} $/s, with an estimated uncertainty bound of 70,000 to 90,000 $ m^{3} $/s. This indicated that the Diexi ancient LLOFs were the largest outburst floods to have occurred in the Upper Minjiang River Valley since the Late Pleistocene Period. The differences in the widths and slopes within the former and latter reaches of the dam indicated that the geomorphic influences on the river channel resulting from the DALL and its LLOFs have been present for tens of thousands of years. These findings were of major significance in deepening the understanding of the existence and disappearances of important river knickpoints on a time scale of tens of thousands of years. Landslide dam Ancient dammed lake Landslide-dammed lake outburst floods (LLOFs) Peak discharge Uncertainty assessment Chen, Jian (orcid)0000-0002-3323-7560 aut Cui, Zhijiu (orcid)0000-0003-0306-0909 aut Zhou, Wendy aut Chen, Ruichen (orcid)0000-0001-7988-8900 aut Wang, Chengbiao aut Enthalten in Natural hazards Springer Netherlands, 1988 112(2022), 2 vom: 06. Feb., Seite 1191-1221 (DE-627)131010271 (DE-600)1088547-X (DE-576)03285272X 0921-030X nnns volume:112 year:2022 number:2 day:06 month:02 pages:1191-1221 https://doi.org/10.1007/s11069-022-05223-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-MAT SSG-OPC-GGO SSG-OPC-MAT AR 112 2022 2 06 02 1191-1221 |
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reconstruction of catastrophic outburst floods of the diexi ancient landslide-dammed lake in the upper minjiang river, eastern tibetan plateau |
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Reconstruction of catastrophic outburst floods of the Diexi ancient landslide-dammed lake in the Upper Minjiang River, Eastern Tibetan Plateau |
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Abstract Landslide-dammed lake outburst floods (LLOFs) may pose serious safety threats to nearby residents and their livelihoods, as well as cause major damages to the downstream areas in mountainous regions. This study presents the Diexi ancient landslide-dammed lake (DALL), located along the Upper Minjiang River, in the eastern margins of the Tibetan Plateau. The DALL is known to have an estimated previous maximal lake area of 1.1 × $ 10^{7} $ $ m^{2} $ and an impounded volume of 2.9 × $ 10^{9} $ $ m^{3} $. At approximately 27 ka BP, the ancient landslide dam failed, and catastrophic LLOFs occurred. It was determined that the peak discharge of the Diexi ancient LLOFs could be reconstructed using regression, parametric, and boulder competence approaches. The reconstructed average maximum peak discharge was approximately 79,500 $ m^{3} $/s, with an estimated uncertainty bound of 70,000 to 90,000 $ m^{3} $/s. This indicated that the Diexi ancient LLOFs were the largest outburst floods to have occurred in the Upper Minjiang River Valley since the Late Pleistocene Period. The differences in the widths and slopes within the former and latter reaches of the dam indicated that the geomorphic influences on the river channel resulting from the DALL and its LLOFs have been present for tens of thousands of years. These findings were of major significance in deepening the understanding of the existence and disappearances of important river knickpoints on a time scale of tens of thousands of years. © The Author(s), under exclusive licence to Springer Nature B.V. 2022 |
abstractGer |
Abstract Landslide-dammed lake outburst floods (LLOFs) may pose serious safety threats to nearby residents and their livelihoods, as well as cause major damages to the downstream areas in mountainous regions. This study presents the Diexi ancient landslide-dammed lake (DALL), located along the Upper Minjiang River, in the eastern margins of the Tibetan Plateau. The DALL is known to have an estimated previous maximal lake area of 1.1 × $ 10^{7} $ $ m^{2} $ and an impounded volume of 2.9 × $ 10^{9} $ $ m^{3} $. At approximately 27 ka BP, the ancient landslide dam failed, and catastrophic LLOFs occurred. It was determined that the peak discharge of the Diexi ancient LLOFs could be reconstructed using regression, parametric, and boulder competence approaches. The reconstructed average maximum peak discharge was approximately 79,500 $ m^{3} $/s, with an estimated uncertainty bound of 70,000 to 90,000 $ m^{3} $/s. This indicated that the Diexi ancient LLOFs were the largest outburst floods to have occurred in the Upper Minjiang River Valley since the Late Pleistocene Period. The differences in the widths and slopes within the former and latter reaches of the dam indicated that the geomorphic influences on the river channel resulting from the DALL and its LLOFs have been present for tens of thousands of years. These findings were of major significance in deepening the understanding of the existence and disappearances of important river knickpoints on a time scale of tens of thousands of years. © The Author(s), under exclusive licence to Springer Nature B.V. 2022 |
abstract_unstemmed |
Abstract Landslide-dammed lake outburst floods (LLOFs) may pose serious safety threats to nearby residents and their livelihoods, as well as cause major damages to the downstream areas in mountainous regions. This study presents the Diexi ancient landslide-dammed lake (DALL), located along the Upper Minjiang River, in the eastern margins of the Tibetan Plateau. The DALL is known to have an estimated previous maximal lake area of 1.1 × $ 10^{7} $ $ m^{2} $ and an impounded volume of 2.9 × $ 10^{9} $ $ m^{3} $. At approximately 27 ka BP, the ancient landslide dam failed, and catastrophic LLOFs occurred. It was determined that the peak discharge of the Diexi ancient LLOFs could be reconstructed using regression, parametric, and boulder competence approaches. The reconstructed average maximum peak discharge was approximately 79,500 $ m^{3} $/s, with an estimated uncertainty bound of 70,000 to 90,000 $ m^{3} $/s. This indicated that the Diexi ancient LLOFs were the largest outburst floods to have occurred in the Upper Minjiang River Valley since the Late Pleistocene Period. The differences in the widths and slopes within the former and latter reaches of the dam indicated that the geomorphic influences on the river channel resulting from the DALL and its LLOFs have been present for tens of thousands of years. These findings were of major significance in deepening the understanding of the existence and disappearances of important river knickpoints on a time scale of tens of thousands of years. © The Author(s), under exclusive licence to Springer Nature B.V. 2022 |
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Reconstruction of catastrophic outburst floods of the Diexi ancient landslide-dammed lake in the Upper Minjiang River, Eastern Tibetan Plateau |
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