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VALIDATION OF GOCE-BASED GRAVITATIONAL GRADIENTS GRIDS BY SPECTRAL COMBINATION METHOD

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23520%2F20%3A43957693" target="_blank" >RIV/49777513:23520/20:43957693 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    VALIDATION OF GOCE-BASED GRAVITATIONAL GRADIENTS GRIDS BY SPECTRAL COMBINATION METHOD

  • Original language description

    This paper deals with the validation of gravity gradients measured by GOCE using terrestrial data measured in the Czech Republic and Slovakia. In our study, we test the quality of the official GOCE Level 2 product called GRD_SPW_2 and GOCE + Geoxplore II. These are gravitational gradients in a local north-oriented frame at a regular grid at mid-altitude corresponding to the GOCE orbit. These gradients are continued to the points on the Earth&apos;s surface at which the gravity measurements were performed and then transformed into gravity failures using the spectral combination method. Since the satellite data contain only band limited information about the Earth&apos;s gravity field, a direct comparison with the values measured on the Earth&apos;s surface would be incorrect. Therefore, before comparing, we removed from the teresetrial gravity data a shortwave component corresponding to the spherical degrees 250-2190 from the global gravitational potential model EGM2008 and degrees above 2190 were calculated using a residual terrain model.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    10508 - Physical geography

Result continuities

  • Project

    <a href="/en/project/LO1506" target="_blank" >LO1506: Sustainability support of the centre NTIS - New Technologies for the Information Society</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2020

  • Confidentiality

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

Data specific for result type

  • Article name in the collection

    Družicové metody v geodézii a katastru

  • ISBN

    978-80-86433-74-5

  • ISSN

  • e-ISSN

  • Number of pages

    9

  • Pages from-to

    28-36

  • Publisher name

    ECON publishing

  • Place of publication

    Brno

  • Event location

    VUT Brno

  • Event date

    Jan 30, 2020

  • Type of event by nationality

    EUR - Evropská akce

  • UT code for WoS article