Results 21 to 30 of about 17,557 (292)
Effects of Huge Earthquakes on Earth Rotation and the length of Day
Terrestrial, Atmospheric and Oceanic Sciences, 2013 We calculated the co-seismic Earth rotation changes for several typical great earthquakes since 1960 based on Dahlen¡¦s analytical expression of Earth inertia moment change, the excitation functions of polar motion and, variation in the length of a day ...
Changyi Xu, Wenke Sun, Xin Zhou
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Geodesy and Geodynamics, 2012 In this paper, an improved weighted least squares (WLS), together with autoregressive (AR) model, is proposed to improve prediction accuracy of earth rotation parameters(ERP). Four weighting schemes are developed and the optimal power e for determination
Sun Zhangzhen, Xu Tianhe
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Earth Rotation Parameters and Ocean Circulation
, 2010 The oceanic contribution to Earth Rotation Parameters (ERP) are studied with an ocean model of variable resolution. The model solves the primitive equations und the hydrostatic approximation on a triangular unstructured mesh.
Danilov, Sergey +2 more
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Satellite laser ranging and the determination of earth rotation parameters [PDF]
, 1986 Over recent years considerable advances have taken place in the field of space geodesy, resulting in a number of highly precise global positioning techniques. The increased resolution of many of the scientific products from the new observational techniques has stimulated the interest of not only geodesists but also geophysicists.
Moore, Terry
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Assimilation of Earth Rotation Parameters in an ocean model
, 2011 ‘Oceanographic’ Earth rotation parameters (OERP) are calculated by subtracting atmospheric and hydrologic estimates from observed ERP. They are used to constrain a global ocean circulation model. Additionally mass variations derived by GRACE are used.
Androsov, A. +2 more
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Estimation of Earth rotation resonance parameters through VLBI analysis
, 2019 The VLBI observations enables the investigation of the Earth rotation resonances in the retrograde diurnal band with respect to a terrestrial frame, associated with the Free Core Nutation (FCN), the Free Inner Core Nutation (FICN), and the common polar motion.
Nurul Huda, Ibnu +3 more
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DETERMINATION OF THE ROTATION MEASURE VALUE SIGN WHEN RECEIVING A SINGLE LINEAR POLARIZATION OF THE PULSAR RADIO EMISSION [PDF]
Radio Physics and Radio Astronomy, 2020 Purpose: The studies of pulsars allow enriching our knowledge in determination of parameters of both the exotic electron-positron plasma in the pulsar magnetosphere with strong magnetic field and the ordinary ion-electron plasma of the interstellar ...
O. M. Ulyanov +2 more
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Earth rotation parameter estimation from LLR [PDF]
Advances in Space Research, 2022 Lunar Laser Ranging (LLR) measures the distance between observatories on Earth and retro-reflectors on Moon since 1969. In this paper, we estimate the Earth Rotation Parameters (ERP; terrestrial pole offsets, x_P and y_P , and Earth rotation phase, DeltaUT1) using LLR data.
Singh, Vishwa Vijay +3 more
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Oscillatory Modes оf the Atmosphere оf Jupiter аnd Venus
Наука. Инновации. Технологии, 2023 Introduction. The article studies the oscillatory modes of the atmosphere of two planets (Jupiter, Venus), taking into account the influence of axial rotation, which affects the occurrence of beating and resonance, and comparing their parameters with the
I. S. Afanasyev +2 more
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Evaluation of earth rotation parameters from modernized GNSS navigation messages [PDF]
, 2022 Modernized navigation messages of global navigation satellite systems like GPS CNAV include earth rotation parameters (ERPs), namely the pole coordinates and UT1-UTC (∆UT1) as well as their rates.
Ramatschi, Markus +4 more
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