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Geoid and topography of Venus in various thermal convection models

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F12%3A10123805" target="_blank" >RIV/00216208:11320/12:10123805 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1007/s11200-011-0251-7" target="_blank" >http://dx.doi.org/10.1007/s11200-011-0251-7</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1007/s11200-011-0251-7" target="_blank" >10.1007/s11200-011-0251-7</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Geoid and topography of Venus in various thermal convection models

  • Original language description

    Important though indirect information about the internal structure of Venus is provided by its topography and geoid. In the last decades this information has been used to constrain the Venus mantle viscosity structure and its dynamic regime. Recently, the geodynamic inversion of the Venus' geoid and topography resulted in a group of best fitting viscosity profiles. We use these viscosity models here as an input to our mantle convection code. We carry out simulations of the Venus' mantle evolution in a 3D spherical shell with depth dependent viscosity and check whether the character of the dynamic topography and the geoid represented by their power spectra fits the observed quantities. We compare the results with several other models obtained for different viscosity stratifications (constant, constant with highly viscous lithosphere, linear increase of viscosity). Further, we estimate the effect of other factors such as internal heating and varying Rayleigh number. We use a 2D spherical

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    DE - Earth magnetism, geodesy, geography

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)<br>S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2012

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    STUDIA GEOPHYSICA ET GEODAETICA

  • ISSN

    0039-3169

  • e-ISSN

  • Volume of the periodical

    56

  • Issue of the periodical within the volume

    2

  • Country of publishing house

    CZ - CZECH REPUBLIC

  • Number of pages

    19

  • Pages from-to

    621-639

  • UT code for WoS article

    000305218200017

  • EID of the result in the Scopus database