Results 21 to 30 of about 61,418 (298)
Formation and motion of a transpolar arc in response to dayside and nightside reconnection [PDF]
, 2005 peer reviewed[ 1] We trace the formation and subsequent motion of a transpolar arc in response to dayside and nightside reconnection. Both high- and low-latitude dayside reconnection are observed, as well as periods of substorm and nonsubstorm nightside ...
Hubert, Benoît +6 more
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Short periodic variations of polar motion and hemispheric atmospheric angular momentum excitation functions in the period 1984-1992 [PDF]
Annales Geophysicae, 1995 Short periodic oscillations with the periods from 10 up to 110 days of the hemispheric components of effective atmospheric angular momentum (EAAM) excitation function and their correlation with polar motion excitation function have been analyzed.
J. Nastula
doaj +1 more source
Brownian Motion With Polar Drift [PDF]
Transactions of the American Mathematical Society, 1985 Consider a strong Markov process X 0 {X^0}
openaire +1 more source
Study of Convolutional Neural Networks for Global Parametric Motion Estimation on Log-Polar Imagery
IEEE Access, 2020 The problem of motion estimation from images has been widely studied in the past. Although many mature solutions exist, there are still open issues and challenges to be addressed.
V. Javier Traver, Roberto Paredes
doaj +1 more source
Geodesy: General theory and methodology 2015–2018 [PDF]
Geodesy and Cartography, 2019 The summary of research activities concerning general theory and methodology performed in Poland in the period of 2015–2018 is presented as a national report for the 27th IUGG (International Union of Geodesy and Geophysics) General Assembly.
Andrzej Borkowski +2 more
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IGS polar motion measurement accuracy
Geodesy and Geodynamics, 2017 We elaborate an error budget for the long-term accuracy of IGS (International Global Navigation Satellite System Service) polar motion estimates, concluding that it is probably about 25–30 μas (1-sigma) overall, although it is not possible to quantify ...
Jim Ray, Paul Rebischung, Jake Griffiths
doaj +1 more source
Water Resources Research, 2023 Given the success of the Gravity Recovery and Climate Experiment (GRACE) mission in mapping terrestrial water storage (TWS) since 2002, recent reconstructions of long‐term TWS rely on the use of statistical machine learning to apply GRACE‐derived ...
Shanshan Deng, Yuxin Liu, Wenxi Zhang
doaj +1 more source
A New Parameterization of Polar Motion [PDF]
International Astronomical Union Colloquium, 1980 AbstractThe rotational motion of the earth is decomposed into spin, polar motion and local motions. The rotation vector components are associated to phenomena such as precession, nutation, diurnal spin, polar motion and local motions. The above decomposition is accomplished without refering to an earth-fixed CIO pole or BIH zero meridian. The time-like
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EOS MLS observations of dehydration in the 2004-2005 polar winters [PDF]
, 2006 Observations of water vapour and temperature from the Earth Observing System Microwave Limb Sounder are used to study dehydration in the 2004 and 2005 polar vortices.
Santee, M. L. +7 more
core +1 more source
Polar processing and development of the 2004 Antarctic ozone hole: First results from MLS on Aura [PDF]
, 2005 The Microwave Limb Sounder (MLS) on Aura is providing an extensive data set on stratospheric winter polar processing, including the first daily global observations of HCl, together with simultaneous measurements of ClO, HNO3, H2O, O3, N2O, and ...
Santee, M. L. +9 more
core +1 more source