[Todos] [Coloquios] COLOQUIO EXTRAORDINARIO DCAO/CIMA/IFAECI - MIÉRCOLES 03/06/2026 13hs: PRESENCIAL Sala 2308 - Pab 0+Inf

[Coloquios CIMA-DCAO-IFAECI]

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Coloquios del Departamento de Ciencias de la Atmósfera y los Océanos 
(DCAO)/ Centro de Investigaciones del Mar y la Atmósfera (CIMA) 
/Instituto Franco-Argentino de Estudios sobre el Clima y sus Impactos 
(IFAECI)
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MIÉRCOLES 03/06 a las 13hs *Día especial*
*** Presencial: Sala de Reuniones 2308 (Pab 0+Inf) ***

Para quienes no pueden acercarse:
Enlace Google Meet: https://meet.google.com/mtp-jyob-oqy

Process-Based Modeling of Rainfall-Induced Multi-Hazards in River 
Basins: Integrating Catchment Runoff, Sediment, and Driftwood Dynamics
Menglu Qin (The International Centre for Water Hazards (ICHARM - Japón))

Extreme rainfall events increasingly trigger complex multi-hazards in 
mountainous watersheds, where severe flooding is compounded by massive 
sediment transport and driftwood dynamics. Simulating these cascading 
phenomena is highly challenging due to the intricate interactions 
spanning multiple spatial and temporal scales. This talk presents an 
integrated, process-based modeling framework designed to simulate the 
entire chain of water, sediment, and driftwood disasters at a catchment 
scale. The framework couples a catchment-scale rainfall-induced sediment 
runoff and production model (RSR-Model) with a detailed 2-D 
depth-integrated hydro-morphodynamic inundation model. By routing wood 
pieces through a novel wood-convection equation, the model explicitly 
accounts for driftwood transport and accumulation at bridges. The 
predictive capability and practical utility of these approaches are 
demonstrated through real-world application cases, discussing how 
integrated process-based modeling overcomes upstream boundary condition 
uncertainties to significantly improve the simulation's accuracy.

Menglu Qin (秦 梦露) is a Research Specialist at the International Centre 
for Water Hazard and Risk Management (ICHARM) under the Public Works 
Research Institute (PWRI) in Japan, and an Adjunct Associate Professor 
at the National Graduate Institute for Policy Studies (GRIPS). She is 
also a member of the international SATREPS PREVENIR project, where her 
current work focuses on integrating a sewage network system into the 
Rainfall-Runoff-Inundation (RRI) model to adapt it for advanced urban 
flood modeling. Her broader research centers on the development and 
application of advanced numerical models for water-related disasters, 
specifically focusing on physics-based, process-oriented modeling of 
catchment runoff, catchment-scale sediment production and transport, 
hillslope erosion, and driftwood dynamics. Currently, Dr. Qin is 
developing a basin-scale Rainfall-induced Sediment Production and  
Runoff Model (RSR-model) to assess the multi-composited sediment-related 
hazards in catchments triggered by extreme rainfall events. Her work 
provides insights into the interactions and transformations among 
landslides, debris flows, and floods with massive sediment and driftwood 
within a mountain catchment, enhancing our understanding of 
water-related hazards under climate change.

¡¡Les esperamos!!

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Grupo Coloquios CIMA/DCAO/IFAECI
Departamento de Ciencias de la Atmósfera y los Océanos (FCEN-UBA)
Centro de Investigaciones del Mar y la Atmósfera (CONICET-UBA)
Instituto Franco-Argentino de Estudios sobre el Clima y sus Impactos
(CNRS-CONICET-IRD-UBA)
Ciudad Universitaria
email: coloquios en cima.fcen.uba.ar

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