Results 21 to 30 of about 40,562 (237)

DEEP STRUCTURE OF THE ALTAI MOUNTAINS AND MODERN GRAVITY FIELD MODELS

open access: yesГеодинамика и тектонофизика, 2023
The results of the ground-based absolute gravity and space geodetic measurements for the Altai Mountains were considered in combination with EIGEN-6C4 Global Geopotential Model (ETOPO1 Global Relief Model) generated from the satellite data.
V. Yu. Timofeev   +7 more
doaj   +1 more source

Lateral variations in the crustal structure of the Indo-Eurasian collision zone [PDF]

open access: yes, 2018
We thank Michael Ritzwoller and two anonymous reviewers for constructive comments that have helped improve the manuscript. The majority of the seismic data used in this study were downloaded from IRIS DMC.
Gilligan, Amy, Priestley, Keith
core   +1 more source

A recovered Moho model by integrated inversion of gravity and seismic depths in Iran

open access: yesHeliyon, 2020
This research aims to define the depth of Moho in Iran by collocation method using gravimetric data with seismic information. The definition of the Moho in the Iranian region is of considerable importance due to the geological complexity of the area also
Sahar Ebadi   +3 more
doaj   +1 more source

基于多台站的接收函数和重力联合反演确定莫霍面起伏和地壳平均波速比

open access: yesDizhen xuebao, 2023
地壳厚度和波速比是研究地壳结构和组分的两个重要参数,可为区域构造研究提供重要约束。接收函数被广泛地用于确定地壳厚度和波速比,例如H-κ方法或H-κ-c方法,但是该方法只能确定台站下方的地壳厚度和速度比,当地震台站分布稀疏时,很难约束台站间的横向不均匀性。另一方面,重力数据也可用于莫霍面的起伏变化研究,它在横向上覆盖很好,有较高的分辨率,但在纵向上分辨率相对较低。为此,本研究提出了一种联合反演算法求解莫霍面深度和地壳波速比参数 ...
Aowei Hao   +3 more
doaj   +1 more source

Fully nonlinear inversion of fundamental mode surface waves for a global crustal model [PDF]

open access: yes, 2007
We use neural networks to find 1-dimensional marginal probability density functions (pdfs) of global crustal parameters. The information content of the full posterior and prior pdfs can quantify the extent to which a parameter is constrained by the data.
A. Curtis   +21 more
core   +1 more source

A High-Resolution Global Moho Model from Combining Gravimetric and Seismic Data by Using Spectral Combination Methods

open access: yesRemote Sensing, 2023
The high-resolution Moho depth model is required in various geophysical studies. However, the available models’ resolutions could be improved for this purpose.
Arash Dashtbazi   +3 more
doaj   +1 more source

Geometry and seismic properties of the subducting Cocos plate in central Mexico [PDF]

open access: yes, 2010
The geometry and properties of the interface of the Cocos plate beneath central Mexico are determined from the receiver functions (RFs) utilizing data from the Meso America Subduction Experiment (MASE).
Clayton, R. W., Jackson, J. M., Kim, Y.
core   +1 more source

Highly efficient Bayesian joint inversion for receiver-based data and its application to lithospheric structure beneath the southern Korean Peninsula [PDF]

open access: yes, 2016
With the deployment of extensive seismic arrays, systematic and efficient parameter and uncertainty estimation is of increasing importance and can provide reliable, regional models for crustal and upper-mantle structure.We present an efficient Bayesian ...
Dettmer, Jan   +3 more
core   +1 more source

GEODYNAMICS OF THE TAIMYR PENINSULA FROM GEOPHYSICAL DATA

open access: yesГеодинамика и тектонофизика, 2018
Recently, a unique geophysical polygon has been created on the Taimyr Peninsula and the adjacent territories. Its densely spaced set of seismic and electric prospecting profiles makes it possible to investigate the structure of the continental ...
D. G. Kushnir
doaj   +1 more source

Moho depth variations in North West Iran estimated from the Moho reflected phases

open access: yesJournal of Seismology, 2023
Abstract In this study, we picked Moho reflected phases and used them to estimate the spatial variation of the Moho depth in northwestern Iran. Moho reflected phases are secondary phases which can be observed at the distance range between 60 and 200 km.
Fatemeh Alidoost   +2 more
openaire   +1 more source

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