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Ikuko Wada

As seen in: Color Research & Application, HAL, AGU's Eos
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Articles by Ikuko Wada

Hydration State and Updip Fluid Migration in the Slab Mantle

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By Nestor G. Cerpa, Géosciences Montpellier, Ikuko Wada
| HAL
Article Dans Une Revue Journal of Geophysical Research : Solid Earth Année : 2025 Hydration State and Updip Fluid Migration in the Slab Mantle Domaines Fichier principal Cerpa.and.Wada_JGR.2025.pdf (4.95 Mo) Télécharger le fichier Origine Publication financée par une institution hal-05125463 , version 1 (23-06-2025) Nestor G. Cerpa, Ikuko Wada. Hydration State and Updip Fluid Migration in the Slab Mantle. Journal of Geophysical Research : Solid Earth, 2025, 130 (6), pp.e2024JB030609.
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Modeling Fluid Migration in Subduction Zones

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By Ikuko Wada, Leif Karlstrom
| AGU's Eos
Some of the biggest challenges in understanding subduction zone processes and their associated hazards arise from the wide range of spatial and temporal scales of the underlying phenomena. Even if we look at the same question—say, how fluid migration affects megathrust faults or volcanic systems—various types of data and models available at different scales often lead to conclusions that are equally relevant but difficult to synthesize or validate.
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Fluid migration in the mantle wedge: Influence of mineral grain size and mantle compaction

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By Ikuko Wada, Nestor G. Cerpa, Cian Wilson
| Color Research & Application Verified
Mineral grain size in the mantle affects fluid migration by controlling mantle permeability; the smaller the grain size, the less permeable the mantle is. Mantle shear viscosity also affects fluid migration by controlling compaction pressure; high mantle shear viscosity can act as a barrier to fluid flow.
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Thermal Structure of the Kanto Region, Japan

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By Jiangheng He, Ikuko Wada
| Color Research & Application Verified
Using a 3-D numerical thermal model, we investigate the thermal structure of the Kanto region of Japan where two oceanic plates subduct. In a typical subduction setting with one subducting slab, the motion of the slab drives solid-state mantle flow in the overlying mantle wedge, bringing in hot mantle from the back-arc towards the forearc.
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