Coupling of Rainfall Triggered Debris Flow Simulation in Parts of Bandarban, Bangladesh: An Earth Observation Based Approach for Landslide Hazard Assessment

Md Moniruzzaman; Shovan L. Chattoraj

Coupling of Rainfall Triggered Debris Flow Simulation in Parts of Bandarban, Bangladesh: An Earth Observation Based Approach for Landslide Hazard Assessment

Md Moniruzzaman *

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Shovan L. Chattoraj

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Coupling of Rainfall Triggered Debris Flow Simulation in Parts of Bandarban, Bangladesh: An Earth Observation Based Approach for Landslide Hazard Assessment

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Abstract

Debris flow modeling is process oriented approach in nature and considers avalanches, flows, falls and has become necessary to plan, manage and mitigate. There have numbers of empirical equations to depict kinematics of debris flow and scientific simulations. In the current study, the Rapid Mass Movements Software (RAMMS) has employed for natural flow modeling of displaced geophysical mass for parts of Rangamati area in Bangladesh. The digital elevation model (DEM) with 12.5m spatial resolution and supported by related secondary data, various geo-mechanical factors, cues from Voellmy rheological model are used as an important inputs for the model. The simulated result provide spatial variability of different geophysical parameters like pressure, momentum, velocity and height in the affected run-out zone. These outputs provides crucial information on real time landslide hazard mitigation and support to development of early warning systems.

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

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No ethics committee approval was required for this article type.

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Not applicable for this article.

How to Cite This Article

Md Moniruzzaman, Shovan L. Chattoraj. 2021. "Coupling of Rainfall Triggered Debris Flow Simulation in Parts of Bandarban, Bangladesh: An Earth Observation Based Approach for Landslide Hazard Assessment". Global Journal of Science Frontier Research - H: Environment & Environmental geology GJSFR-H Volume 20 (GJSFR Volume 20 Issue H6).

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GJSFR Volume 20 Issue H6

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Journal Specifications

Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

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Classification

GJSFR-H Classification FOR Code: 961099

Submission ReceivedOctober 19, 2020
Peer Review Double Blind
Handling Editor
Accepted November 15, 2020
Published November 25, 2020

Version of record

v1.2

Issue date

January 15, 2021

Language

English

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