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Wyszukujesz frazę "deformacja Ziemi" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Earth crust deformation in Poland: modelling and its implication for positioning with satellite based geodetic techniques
Autorzy:
Rajner, M.
Powiązania:
https://bibliotekanauki.pl/articles/225865.pdf
Data publikacji:
2012
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
geodynamika
deformacja Ziemi
powierzchnia ładowania
geodynamics
Earth deformation
surface loading
Opis:
This paper gives the general overview of the effects which continuously deform our planet. The main aim is to give the picture of the temporal and spatial range of this phenomena and to indicate their importance in high precision positioning with space geodetic techniques. We present here the ranges of magnitude and pattern of earth tides, ocean tidal loading, atmospheric radiation tides loading, polar motion and its oceanic indirect effect, as well as the non-tidal ocean loading. We pay the special attention to loading effects due to atmosphere and continental water storage, which can cause significant changes in point position time series. Our study concentrate mainly on the territory of Poland. The Jozefosław site was chosen as a representative example for the whole country. We present also here the impact of selected phenomena for relative geodetic measurements.
Źródło:
Reports on Geodesy; 2012, z. 1/92; 37-46
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of continental hydrosphere loading using GNSS measurements
Autorzy:
Zygmunt, M.
Rajner, M.
Liwosz, T.
Powiązania:
https://bibliotekanauki.pl/articles/106899.pdf
Data publikacji:
2016
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
load Love numbers
Green's functions
WGHM
GNSS
crustal deformation
liczby Love'a
parametry sprężystości Ziemi
funkcja Greena
deformacja skorupy
Opis:
Presented paper is dedicated to problems of deformation of the Earth's crust as a response to the surface loading caused by continental waters. The aim of this study was to specify areas particularly vulnerable to studied deformation and to compare calculated and observed displacements. Information of the continental water volume was taken from the WaterGAP Global Hydrological Model. Calculated values of the deformations were verified with the results obtained with programs SPOTL and grat. Vertical deformations were almost 10 times higher than the deformation in the horizontal plane, for which reason later part of the paper focuses on the former. In order to check agreement of the calculated and observed deformation 23 stations of International GNSS Service (IGS) were selected and divided into three groups (inland, near the shoreline and islands). Before comparison outliers and discontinuities were removed from GNSS observations. Modelled and observed signals were centred. The analysed time series of the vertical displacements showed that only for the inland stations it is possible to effectively remove displacements caused by mass transfer in the hydrosphere. For stations located in the coastal regions or islands, it is necessary to consider additional movement effects resulting from indirect ocean tidal loading or atmosphere loading.
Źródło:
Reports on Geodesy and Geoinformatics; 2016, 101; 36-53
2391-8365
2391-8152
Pojawia się w:
Reports on Geodesy and Geoinformatics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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