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Projects

8 361 projects (0,164s) •

Project

Asymptotic full-waveform inversion of seismic data in complex media (GC21-15272J)

of asymptotic full-waveform inversion of seismic data in complex media. We have already inversion of seismic data. Such an inversion is out of scope of our possibilities designed asympto...

Acoustics

  • 2021 - 2023
    • •
  • 2 973 tis. Kč
    • •
  • 2 973 tis. Kč
    • •
  • GA ČR
Project

Joint inversion for seismic moment tensors and Green’s functions (GA19-06422S)

propose a joint inversion for MTs from observations of a large set of earthquakes from a given seismically active area. The new inversion scheme will make possibleCatalogues of seismic moment tensors (MT) serve as...

Environmental sciences (social aspects to be 5.7)

  • 2019 - 2022
    • •
  • 6 544 tis. Kč
    • •
  • 5 269 tis. Kč
    • •
  • GA ČR
Project

Inversion of focal mechanisms and seismic moment tensors for stress and its spatiotemporal variation (GA22-10747S)

by Vavryčuk (2014), who proposed an iterative procedure for a joint inversion for stress and fault orientations. The inversion is fast and robust and widely used in the geophysical community. Even though the Vavryčuk's inversio...

Geology

  • 2022 - 2024
    • •
  • 7 103 tis. Kč
    • •
  • 7 103 tis. Kč
    • •
  • GA ČR
Project

Earthquake source retrieval with inexact model of the strukture (IAA3012904)

Observed seismogram is the result of combined effects of seismic source and the medium, in which seismic waves propagate. Therefore, for determination, the less reliable is the model of the medium. Thus, while with teleseismic d...

DC - Seismologie, vulkanologie a struktura Země

  • 1999 - 2001
    • •
  • 5 020 tis. Kč
    • •
  • 898 tis. Kč
    • •
  • AV ČR
Project

Seismic waves and sources in anisotropic media II (IAA300120801)

Seismic anisotropy is an overall property of the Earth's crust and upper mantle, which significantly complicates seismic wavefields and which is often neglected in modelling of seismic waves and in moment tensor inversi...

DC - Seismologie, vulkanologie a struktura Země

  • 2008 - 2012
    • •
  • 2 968 tis. Kč
    • •
  • 2 968 tis. Kč
    • •
  • AV ČR
Project

Physical processes in an earthquake source from micro- to macro-scale (GAP210/12/1491)

emissions from lab experiments, data from a swarm seismicity, aftershock activity scales in order to find links between micro- and macro-seismicity and to understand what we can learn from studies of acoustic emissions and...

DC - Seismologie, vulkanologie a struktura Země

  • 2012 - 2016
    • •
  • 6 558 tis. Kč
    • •
  • 6 558 tis. Kč
    • •
  • GA ČR
Project

Determination of earthquake source parameters in geologically complex media (OK 330)

Sufficiently accurate determination of seismic source parameters is one of the most important conditions of the estimate of seismic risc. The project is devoted to a key aspect of this problem, namely to a development and optimisati...

DC - Seismologie, vulkanologie a struktura Země

  • 1998 - 1999
    • •
  • 5 363 tis. Kč
    • •
  • 1 430 tis. Kč
    • •
  • MŠMT
Project

Accuracy and efficiency of forward and inverse discrete seismic modelling (GA205/95/1465)

DC - Seismologie, vulkanologie a struktura Země

  • 1995 - 1997
    • •
  • 970 tis. Kč
    • •
  • 970 tis. Kč
    • •
  • GA ČR
Project

Mantle lithosphere of north-central Europe ? mosaic of micro-continents (IAA300120709)

The proposed project aims at studying European mantle lithosphere from data of passive seismic experiments, as a continuation of our previous research within several a joint inversion of anisotropic parameters, which will r...

DC - Seismologie, vulkanologie a struktura Země

  • 2007 - 2011
    • •
  • 3 410 tis. Kč
    • •
  • 3 410 tis. Kč
    • •
  • AV ČR
Project

Finite seismic source of West Bohemia seismic events inferred from stopping phases (IAA300120805)

in waveforms of West Bohemia seismic events. Stopping phases theory supposes radiation of seismic waves from a planar finite source in such a way, that effectively only 3 points along the source area contribute to the waveform. Fol...

DC - Seismologie, vulkanologie a struktura Země

  • 2008 - 2010
    • •
  • 641 tis. Kč
    • •
  • 641 tis. Kč
    • •
  • AV ČR
  • 1 - 10 out of 8 361