Pacific plate-motion change at the time of the Hawaiian-Emperor bend constrains the viscosity of Earth's asthenosphere

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Standard

Pacific plate-motion change at the time of the Hawaiian-Emperor bend constrains the viscosity of Earth's asthenosphere. / Iaffaldano, Giampiero; Lambeck, Kurt.

I: Geophysical Research Letters (Online), Bind 41, Nr. 10, 28.05.2014, s. 3398-3406.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Iaffaldano, G & Lambeck, K 2014, 'Pacific plate-motion change at the time of the Hawaiian-Emperor bend constrains the viscosity of Earth's asthenosphere', Geophysical Research Letters (Online), bind 41, nr. 10, s. 3398-3406. https://doi.org/10.1002/2014GL059763

APA

Iaffaldano, G., & Lambeck, K. (2014). Pacific plate-motion change at the time of the Hawaiian-Emperor bend constrains the viscosity of Earth's asthenosphere. Geophysical Research Letters (Online), 41(10), 3398-3406. https://doi.org/10.1002/2014GL059763

Vancouver

Iaffaldano G, Lambeck K. Pacific plate-motion change at the time of the Hawaiian-Emperor bend constrains the viscosity of Earth's asthenosphere. Geophysical Research Letters (Online). 2014 maj 28;41(10):3398-3406. https://doi.org/10.1002/2014GL059763

Author

Iaffaldano, Giampiero ; Lambeck, Kurt. / Pacific plate-motion change at the time of the Hawaiian-Emperor bend constrains the viscosity of Earth's asthenosphere. I: Geophysical Research Letters (Online). 2014 ; Bind 41, Nr. 10. s. 3398-3406.

Bibtex

@article{15757caf172c4e03aefe05931c585977,
title = "Pacific plate-motion change at the time of the Hawaiian-Emperor bend constrains the viscosity of Earth's asthenosphere",
abstract = "Important constraints on asthenospheric viscosity come primarily from modeling the glacial rebound of the past 20 kyr, but remain somewhat loose because of the intrinsic resolving power of these models. We obtain narrower bounds by building on the notion that the asthenosphere also controls the ability to change plate motions over Myr. We focus on the Pacific kinematic change at the time of the Hawaiian-Emperor bend event, which is linked to the coeval inception of subduction in the Western Pacific. We sample plausible asthenospheric viscosity and thickness values by requiring the rate at which torque varied to generate the observed kinematics consistent with the nature of subduction initiation. Uncertainties on the bend event duration and the occurrence of Pacific hot spots drift do not hamper our results that suggest that the asthenosphere viscous response to vertical shear over kyr is consistent with that to horizontal shear over Myr.",
keywords = "Asthenospheric viscosity, Pacific plate motion, Glacial rebound",
author = "Giampiero Iaffaldano and Kurt Lambeck",
year = "2014",
month = may,
day = "28",
doi = "10.1002/2014GL059763",
language = "English",
volume = "41",
pages = "3398--3406",
journal = "Geophysical Research Letters (Online)",
issn = "1944-8007",
publisher = "Wiley-Blackwell",
number = "10",

}

RIS

TY - JOUR

T1 - Pacific plate-motion change at the time of the Hawaiian-Emperor bend constrains the viscosity of Earth's asthenosphere

AU - Iaffaldano, Giampiero

AU - Lambeck, Kurt

PY - 2014/5/28

Y1 - 2014/5/28

N2 - Important constraints on asthenospheric viscosity come primarily from modeling the glacial rebound of the past 20 kyr, but remain somewhat loose because of the intrinsic resolving power of these models. We obtain narrower bounds by building on the notion that the asthenosphere also controls the ability to change plate motions over Myr. We focus on the Pacific kinematic change at the time of the Hawaiian-Emperor bend event, which is linked to the coeval inception of subduction in the Western Pacific. We sample plausible asthenospheric viscosity and thickness values by requiring the rate at which torque varied to generate the observed kinematics consistent with the nature of subduction initiation. Uncertainties on the bend event duration and the occurrence of Pacific hot spots drift do not hamper our results that suggest that the asthenosphere viscous response to vertical shear over kyr is consistent with that to horizontal shear over Myr.

AB - Important constraints on asthenospheric viscosity come primarily from modeling the glacial rebound of the past 20 kyr, but remain somewhat loose because of the intrinsic resolving power of these models. We obtain narrower bounds by building on the notion that the asthenosphere also controls the ability to change plate motions over Myr. We focus on the Pacific kinematic change at the time of the Hawaiian-Emperor bend event, which is linked to the coeval inception of subduction in the Western Pacific. We sample plausible asthenospheric viscosity and thickness values by requiring the rate at which torque varied to generate the observed kinematics consistent with the nature of subduction initiation. Uncertainties on the bend event duration and the occurrence of Pacific hot spots drift do not hamper our results that suggest that the asthenosphere viscous response to vertical shear over kyr is consistent with that to horizontal shear over Myr.

KW - Asthenospheric viscosity

KW - Pacific plate motion

KW - Glacial rebound

U2 - 10.1002/2014GL059763

DO - 10.1002/2014GL059763

M3 - Journal article

VL - 41

SP - 3398

EP - 3406

JO - Geophysical Research Letters (Online)

JF - Geophysical Research Letters (Online)

SN - 1944-8007

IS - 10

ER -

ID: 138732032