Results 161 to 170 of about 733,426 (347)

Optimizing PPP Performance by Incorporating ZWD Constraints Derived From Data Assimilation

open access: yesEarth and Space Science, Volume 12, Issue 8, August 2025.
Abstract One of the primary error sources limiting the performance of the Precise Point Positioning (PPP) technique is the atmospheric wet delay, caused by the presence of water vapor in the lower atmosphere. Accurately representing this parameter is crucial for improving the initialization and accuracy of satellite‐based positioning techniques ...
Masoud Dehvari   +2 more
wiley   +1 more source

Inferring Long‐Term Geocenter Motion From Low‐Degree Gravity Field

open access: yesJournal of Geophysical Research: Solid Earth, Volume 130, Issue 8, August 2025.
Abstract Accurate determination of geocenter motion is essential not only for establishing a stable terrestrial reference frame, but also for deriving a complete picture of large‐scale global mass redistribution in the Earth system. For geophysical applications, reliable geocenter motions can be inferred from time‐variable gravity fields provided by ...
Yufeng Nie   +3 more
wiley   +1 more source

A proposed concept for a crustal dynamics information management network [PDF]

open access: yes
The findings of a requirements and feasibility analysis of the present and potential producers, users, and repositories of space-derived geodetic information are summarized.
Lohman, G. M., Renfrow, J. T.
core   +1 more source

Repeating Long‐Period Earthquakes at Shishaldin Volcano (Alaska): Insights Into the Source Mechanism and Relationship to Volcano Dynamics

open access: yesJournal of Geophysical Research: Solid Earth, Volume 130, Issue 8, August 2025.
Abstract We investigate repeating earthquakes at Shishaldin Volcano (Alaska) by applying a multi‐stage clustering technique to the waveforms of approximately 330,000 Long‐Period (LP) earthquakes recorded between October 2003 and July 2004, a period that includes a minor eruption.
M. Palo, V. Cascone, M. Adil, A. Zollo
wiley   +1 more source

The Effect of Mars Impact Crater Topography on Seismic Signals

open access: yesJournal of Geophysical Research: Planets, Volume 130, Issue 8, August 2025.
Abstract Meteorite impacts on Mars result in seismic recordings with relatively small surface wave amplitudes compared to body wave amplitudes, unlike what is generally observed in earthquakes. Here, we test with numerical modeling whether Mars' topography could be responsible for the preferential attenuation of surface waves. We use a spectral element
J. Charoensawan   +5 more
wiley   +1 more source

The European VLBI network [PDF]

open access: yes
The capabilities of the European very long baseline interferometry (VLBI) network are summarized. The range of baseline parameters, sensitivities, and recording and other equipment available are included.
Schilizzi, R. T.
core   +1 more source

Mass Changes in a High‐Latitude River Basin From Two Decades of GRACE/GRACE‐FO

open access: yesJournal of Geophysical Research: Earth Surface, Volume 130, Issue 8, August 2025.
Abstract The rise in global temperatures is amplified in high‐latitude regions, where snow and ice play a vital role in the hydrological cycle. Understanding the impacts of climate change on ecosystems and communities in Northern regions requires accurate hydrological data.
S. Bringeland, G. Fotopoulos
wiley   +1 more source

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