Active Tectonic Features of Muong Te Zone from Geomophological Indicators

Nguyen Huu Tuyen; Phung Thi Thu Hang

doi:doi:10.11648/j.ajere.20240903.12

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Active Tectonic Features of Muong Te Zone from Geomophological Indicators

Nguyen Huu Tuyen^*

, Phung Thi Thu Hang

Published in American Journal of Environmental and Resource Economics (Volume 9, Issue 3)

Received: 5 June 2024 Accepted: 26 June 2024 Published: 29 October 2024

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Abstract

The Muong Te fault zone is known as the active tectonic area in Northwest Vietnam, proved by earthquakes with the most recent one of Ms 4.9 on June 16, 2020 and hundreds of aftershocks accompanying with landslides. The neotectonic activities of the study area is asssessed by analysing 61 sub-basins in term of geomorphological indices: Ratio of valley floor width to valley height (V_f), Stream-Length gradient index (SL), Hypsometric integral index (HI), Hypsometric curve (HC) and Index of Relative Active Tectonics (IRAT). As a results, this are has: relative lowV_f corresponding to the terrain of V-shape valleys; SL in large range from 10 to 7000 (gradient - m); straight – convex H ccurve and HI in the range of 0,422 – 0,51 corresponding to the developing phase of river basins; More than 50% of asymmetric basins (AF) due to tectonic impacts. IRAT ranging from 1.25 to 2.5 divided into 3 classes according to the tectonic levels: (1) – strong uplift with - IRAT < 1.5, (2) moderate uplift with IRAT from 1.5 to 2.0 (strong) and (3) weak uplift with IRAT more than 2. The calculated values of the indices are seemed very consistent with the tectonic-geological features of the Muong Te area.

Published in	American Journal of Environmental and Resource Economics (Volume 9, Issue 3)
DOI	10.11648/j.ajere.20240903.12
Page(s)	61-73
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Neotectonics, Geomorphological Indices, Morphotectonics, Muong Te, Song Da

References

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APA Style

Tuyen, N. H., Hang, P. T. T. (2024). Active Tectonic Features of Muong Te Zone from Geomophological Indicators. American Journal of Environmental and Resource Economics, 9(3), 61-73. https://doi.org/10.11648/j.ajere.20240903.12

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ACS Style

Tuyen, N. H.; Hang, P. T. T. Active Tectonic Features of Muong Te Zone from Geomophological Indicators. Am. J. Environ. Resour. Econ. 2024, 9(3), 61-73. doi: 10.11648/j.ajere.20240903.12

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AMA Style

Tuyen NH, Hang PTT. Active Tectonic Features of Muong Te Zone from Geomophological Indicators. Am J Environ Resour Econ. 2024;9(3):61-73. doi: 10.11648/j.ajere.20240903.12

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@article{10.11648/j.ajere.20240903.12,
  author = {Nguyen Huu Tuyen and Phung Thi Thu Hang},
  title = {Active Tectonic Features of Muong Te Zone from Geomophological Indicators},
  journal = {American Journal of Environmental and Resource Economics},
  volume = {9},
  number = {3},
  pages = {61-73},
  doi = {10.11648/j.ajere.20240903.12},
  url = {https://doi.org/10.11648/j.ajere.20240903.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajere.20240903.12},
  abstract = {The Muong Te fault zone is known as the active tectonic area in Northwest Vietnam, proved by earthquakes with the most recent one of Ms 4.9 on June 16, 2020 and hundreds of aftershocks accompanying with landslides. The neotectonic activities of the study area is asssessed by analysing 61 sub-basins in term of geomorphological indices: Ratio of valley floor width to valley height (Vf), Stream-Length gradient index (SL), Hypsometric integral index (HI), Hypsometric curve (HC) and Index of Relative Active Tectonics (IRAT). As a results, this are has: relative lowVf corresponding to the terrain of V-shape valleys; SL in large range from 10 to 7000 (gradient - m); straight – convex H ccurve and HI in the range of 0,422 – 0,51 corresponding to the developing phase of river basins; More than 50% of asymmetric basins (AF) due to tectonic impacts. IRAT ranging from 1.25 to 2.5 divided into 3 classes according to the tectonic levels: (1) – strong uplift with - IRAT < 1.5, (2) moderate uplift with IRAT from 1.5 to 2.0 (strong) and (3) weak uplift with IRAT more than 2. The calculated values of the indices are seemed very consistent with the tectonic-geological features of the Muong Te area.},
 year = {2024}
}

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TY  - JOUR
T1  - Active Tectonic Features of Muong Te Zone from Geomophological Indicators
AU  - Nguyen Huu Tuyen
AU  - Phung Thi Thu Hang
Y1  - 2024/10/29
PY  - 2024
N1  - https://doi.org/10.11648/j.ajere.20240903.12
DO  - 10.11648/j.ajere.20240903.12
T2  - American Journal of Environmental and Resource Economics
JF  - American Journal of Environmental and Resource Economics
JO  - American Journal of Environmental and Resource Economics
SP  - 61
EP  - 73
PB  - Science Publishing Group
SN  - 2578-787X
UR  - https://doi.org/10.11648/j.ajere.20240903.12
AB  - The Muong Te fault zone is known as the active tectonic area in Northwest Vietnam, proved by earthquakes with the most recent one of Ms 4.9 on June 16, 2020 and hundreds of aftershocks accompanying with landslides. The neotectonic activities of the study area is asssessed by analysing 61 sub-basins in term of geomorphological indices: Ratio of valley floor width to valley height (Vf), Stream-Length gradient index (SL), Hypsometric integral index (HI), Hypsometric curve (HC) and Index of Relative Active Tectonics (IRAT). As a results, this are has: relative lowVf corresponding to the terrain of V-shape valleys; SL in large range from 10 to 7000 (gradient - m); straight – convex H ccurve and HI in the range of 0,422 – 0,51 corresponding to the developing phase of river basins; More than 50% of asymmetric basins (AF) due to tectonic impacts. IRAT ranging from 1.25 to 2.5 divided into 3 classes according to the tectonic levels: (1) – strong uplift with - IRAT < 1.5, (2) moderate uplift with IRAT from 1.5 to 2.0 (strong) and (3) weak uplift with IRAT more than 2. The calculated values of the indices are seemed very consistent with the tectonic-geological features of the Muong Te area.
VL  - 9
IS  - 3
ER  -

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Author Information

Nguyen Huu Tuyen

Tectonophysics Department -Institute of Geophysics (IGP), Vietnam Academy of Science and Technology (VAST), Hanoi, Vietnam; The Earth’s Science Faculty- Graduate University of Science and Technology (GUST), Vietnam Academy of Science and Technology (VAST), Hanoi, Vietnam

Contact Email

http://orcid.org/0000-0003-2246-7413
Phung Thi Thu Hang

Tectonophysics Department -Institute of Geophysics (IGP), Vietnam Academy of Science and Technology (VAST), Hanoi, Vietnam

Contact Email

http://orcid.org/0009-0005-5119-3206

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APA Style

Tuyen, N. H., Hang, P. T. T. (2024). Active Tectonic Features of Muong Te Zone from Geomophological Indicators. American Journal of Environmental and Resource Economics, 9(3), 61-73. https://doi.org/10.11648/j.ajere.20240903.12

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ACS Style

Tuyen, N. H.; Hang, P. T. T. Active Tectonic Features of Muong Te Zone from Geomophological Indicators. Am. J. Environ. Resour. Econ. 2024, 9(3), 61-73. doi: 10.11648/j.ajere.20240903.12

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AMA Style

Tuyen NH, Hang PTT. Active Tectonic Features of Muong Te Zone from Geomophological Indicators. Am J Environ Resour Econ. 2024;9(3):61-73. doi: 10.11648/j.ajere.20240903.12

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@article{10.11648/j.ajere.20240903.12,
  author = {Nguyen Huu Tuyen and Phung Thi Thu Hang},
  title = {Active Tectonic Features of Muong Te Zone from Geomophological Indicators},
  journal = {American Journal of Environmental and Resource Economics},
  volume = {9},
  number = {3},
  pages = {61-73},
  doi = {10.11648/j.ajere.20240903.12},
  url = {https://doi.org/10.11648/j.ajere.20240903.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajere.20240903.12},
  abstract = {The Muong Te fault zone is known as the active tectonic area in Northwest Vietnam, proved by earthquakes with the most recent one of Ms 4.9 on June 16, 2020 and hundreds of aftershocks accompanying with landslides. The neotectonic activities of the study area is asssessed by analysing 61 sub-basins in term of geomorphological indices: Ratio of valley floor width to valley height (Vf), Stream-Length gradient index (SL), Hypsometric integral index (HI), Hypsometric curve (HC) and Index of Relative Active Tectonics (IRAT). As a results, this are has: relative lowVf corresponding to the terrain of V-shape valleys; SL in large range from 10 to 7000 (gradient - m); straight – convex H ccurve and HI in the range of 0,422 – 0,51 corresponding to the developing phase of river basins; More than 50% of asymmetric basins (AF) due to tectonic impacts. IRAT ranging from 1.25 to 2.5 divided into 3 classes according to the tectonic levels: (1) – strong uplift with - IRAT < 1.5, (2) moderate uplift with IRAT from 1.5 to 2.0 (strong) and (3) weak uplift with IRAT more than 2. The calculated values of the indices are seemed very consistent with the tectonic-geological features of the Muong Te area.},
 year = {2024}
}

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TY  - JOUR
T1  - Active Tectonic Features of Muong Te Zone from Geomophological Indicators
AU  - Nguyen Huu Tuyen
AU  - Phung Thi Thu Hang
Y1  - 2024/10/29
PY  - 2024
N1  - https://doi.org/10.11648/j.ajere.20240903.12
DO  - 10.11648/j.ajere.20240903.12
T2  - American Journal of Environmental and Resource Economics
JF  - American Journal of Environmental and Resource Economics
JO  - American Journal of Environmental and Resource Economics
SP  - 61
EP  - 73
PB  - Science Publishing Group
SN  - 2578-787X
UR  - https://doi.org/10.11648/j.ajere.20240903.12
AB  - The Muong Te fault zone is known as the active tectonic area in Northwest Vietnam, proved by earthquakes with the most recent one of Ms 4.9 on June 16, 2020 and hundreds of aftershocks accompanying with landslides. The neotectonic activities of the study area is asssessed by analysing 61 sub-basins in term of geomorphological indices: Ratio of valley floor width to valley height (Vf), Stream-Length gradient index (SL), Hypsometric integral index (HI), Hypsometric curve (HC) and Index of Relative Active Tectonics (IRAT). As a results, this are has: relative lowVf corresponding to the terrain of V-shape valleys; SL in large range from 10 to 7000 (gradient - m); straight – convex H ccurve and HI in the range of 0,422 – 0,51 corresponding to the developing phase of river basins; More than 50% of asymmetric basins (AF) due to tectonic impacts. IRAT ranging from 1.25 to 2.5 divided into 3 classes according to the tectonic levels: (1) – strong uplift with - IRAT < 1.5, (2) moderate uplift with IRAT from 1.5 to 2.0 (strong) and (3) weak uplift with IRAT more than 2. The calculated values of the indices are seemed very consistent with the tectonic-geological features of the Muong Te area.
VL  - 9
IS  - 3
ER  -

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