Search Results - "Wada, Ikuko"

Differentiating induced versus spontaneous subduction initiation using thermomechanical models and metamorphic soles by Zhou, Xin, Wada, Ikuko

“…Despite the critical role of subduction in plate tectonics, the dynamics of its initiation remains unclear. High-temperature low-pressure metamorphic soles are…”
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Clustering of arc volcanoes caused by temperature perturbations in the back-arc mantle by Lee, Changyeol, Wada, Ikuko

“…Clustering of arc volcanoes in subduction zones indicates along-arc variation in the physical condition of the underlying mantle where majority of arc magmas…”
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Thermal structure of the Kanto region, Japan by Wada, Ikuko, He, Jiangheng

“…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…”
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Mantle wedge flow pattern and thermal structure in Northeast Japan: Effects of oblique subduction and 3-D slab geometry by Wada, Ikuko, He, Jiangheng, Hasegawa, Akira, Nakajima, Junichi

“…We develop a 3-D thermal model for the Northeast Japan subduction margin, using a realistic slab geometry for the subducting Pacific plate, and investigate the…”
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Weakening of the subduction interface and its effects on surface heat flow, slab dehydration, and mantle wedge serpentinization by Wada, Ikuko, Wang, Kelin, He, Jiangheng, Hyndman, Roy D.

“…The shallow part of the interface between the subducting slab and the overriding mantle wedge is evidently weakened by the presence of hydrous minerals and…”
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Cycling of CO2 and N2 Along the Hikurangi Subduction Margin, New Zealand: An Integrated Geological, Theoretical, and Isotopic Approach by Gabe S. Epstein, Gray E. Bebout, Bruce W. Christenson, Hirochika Sumino, Ikuko Wada, Cynthia Werner, David R. Hilton

“…Abstract We present a quantitative assessment of the input and output of CO2 and N2 along the Hikurangi margin based on the chemical and stable isotope…”
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Viscosity of the asthenosphere from glacial isostatic adjustment and subduction dynamics at the northern Cascadia subduction zone, British Columbia, Canada by James, Thomas S., Gowan, Evan J., Wada, Ikuko, Wang, Kelin

“…Late glacial sea level curves located in the Cascadia subduction zone (CSZ) fore arc in southwestern British Columbia show that glacial isostatic adjustment…”
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Fluid migration in the mantle wedge: Influence of mineral grain size and mantle compaction by Cerpa, Nestor G., Wada, Ikuko, Wilson, Cian R.

“…Mineral grain size in the mantle affects fluid migration by controlling mantle permeability; the smaller the grain size, the less permeable the mantle is…”
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Diagenetic, metamorphic, and hydrogeologic consequences of hydrothermal circulation in subducting crust by Spinelli, Glenn, Wada, Ikuko, Wang, Kelin, He, Jiangheng, Harris, Robert, Underwood, Michael

“…The redistribution of heat by fluid circulation in subducting igneous crust generates thermal anomalies that can affect the alteration of material both within…”
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Sharp thermal transition in the forearc mantle wedge as a consequence of nonlinear mantle wedge flow by Wada, Ikuko, Rychert, Catherine A., Wang, Kelin

“…In the forearc mantle wedge, the thermal field depends strongly on slab‐driven mantle wedge flow. The flow is in turn affected by the thermal field via the…”
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Grain-size distribution in the mantle wedge of subduction zones by Wada, Ikuko, Behn, Mark D., He, Jiangheng

“…Mineral grain size plays an important role in controlling many processes in the mantle wedge of subduction zones, including mantle flow and fluid migration. To…”
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Effects of heterogeneous hydration in the incoming plate, slab rehydration, and mantle wedge hydration on slab-derived H 2 O flux in subduction zones by Wada, Ikuko, Behn, Mark D., Shaw, Alison M.

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A simple picture of mantle wedge flow patterns and temperature variation by Wada, Ikuko

“…•The azimuthal inner angle between the mantle wedge inflow and outflow directions increases with subduction obliquity.•Margin or slab curvature leads to…”
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Stresses in the subducting slab beneath southwest Japan and relation with plate geometry, tectonic forces, slab dehydration, and damaging earthquakes by Wang, Kelin, Wada, Ikuko, Ishikawa, Yuzo

“…We infer stresses in the subducting slab beneath southwest Japan from focal mechanisms and discuss their geodynamical implications. The majority of the 824…”
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Volcano Clustering Promoted by the Cessation of Back‐Arc Spreading and Ensuing Nascent Lithospheric Drips by Lee, Changyeol, Wada, Ikuko

“…In Northeast Japan and Izu‐Bonin, arc volcanoes form in clusters or as cross‐arc chains. Their occurrence emphasizes the non‐uniform distributions of sub‐arc…”
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Effects of Elasticity on Subduction Initiation: Insight From 2‐D Thermomechanical Models by Zhou, Xin, Wada, Ikuko

“…Despite extensive modeling efforts, the dynamics of subduction initiation (SI), including the role of elasticity, are not fully understood. Using…”
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A Splice Mutation in the Human Canalicular Multispecific Organic Anion Transporter Gene Causes Dubin-Johnson Syndrome by Kajihara, Susumu, Hisatomi, Akitaka, Mizuta, Toshihiko, Hara, Toshiya, Ozaki, Iwata, Wada, Ikuko, Yamamoto, Kyosuke

“…The human Dubin Johnson syndrome (DJS) is a rare autosomal recessive disorder characterized by chronic conjugated hyperbilirubinemia and impaired hepatobiliary…”
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Effects of metamorphic crustal densification on earthquake size in warm slabs by Wang, Kelin, Cassidy, John F., Wada, Ikuko, Smith, Alex J.

“…Some recent damaging earthquakes occurred in the lower crust or mantle of warm subducting slabs. They are consistent with a theoretical prediction that larger…”
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Effects of heterogeneous hydration in the incoming plate, slab rehydration, and mantle wedge hydration on slab-derived H2O flux in subduction zones by Wada, Ikuko, Behn, Mark D., Shaw, Alison M.

“…We quantify the effects of heterogeneous hydration in the incoming oceanic plate, rehydration in the subducting slab, and hydration in the lowermost mantle…”
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Mantle Wedge Seismic Anisotropy and Shear Wave Splitting: Effects of Oblique Subduction by Kenyon, Lindsey M., Wada, Ikuko

“…We investigate the evolution of olivine crystal preferred orientation (CPO) and its effect on local shear wave splitting (SWS) in the mantle wedge of oblique…”
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