Results 181 to 190 of about 11,603,365 (342)

Inferring Eruption Dynamics From Seismometer Tilt: A Case Study of Erebus and Augustine Volcanoes

open access: yesJournal of Geophysical Research: Solid Earth, Volume 130, Issue 4, April 2025.
Abstract Broadband seismometers are sensitive to tilt as a consequence of their design. We used broadband data from Erebus volcano on Ross Island, Antarctica, and Augustine volcano in Lower Cook Inlet, Alaska, to make tilt measurements associated with individual volcanic explosions and investigate the near‐terminal magmatic system configuration of each
M. S. Christoffersen   +5 more
wiley   +1 more source

Definition and application of GNSS-R observation patterns

open access: bronze, 2015
Wei Wan   +4 more
openalex   +2 more sources

Separating Magmatic and Hydrothermal Deformation Using InSAR Timeseries: Independent Component Analysis at Corbetti Caldera, Ethiopia

open access: yesJournal of Geophysical Research: Solid Earth, Volume 130, Issue 4, April 2025.
Abstract The cause of unrest at large quaternary silicic calderas, specifically whether the source is magmatic or hydrothermal, has critical implications for the potential eruptive hazard and is debated, even at well‐studied systems. Recent advances in Interferometric Synthetic Aperture Radar (InSAR), driven by the Sentinel‐1 mission, allow us to ...
E. W. Dualeh, J. Biggs
wiley   +1 more source

Sensitivity of the Shallow‐To‐Deep Convective Transition to Moisture and Wind Shear in the Amazon

open access: yesJournal of Advances in Modeling Earth Systems, Volume 17, Issue 4, April 2025.
Abstract Deep convection is the primary influence on weather and climate in tropical regions. However, understanding and simulating the shallow‐to‐deep (STD) convective transition has long been challenging. Here, we conduct high‐resolution numerical simulations to assess the environmental controls on the evolution of isolated convection in the Amazon ...
Leandro Alex Moreira Viscardi   +3 more
wiley   +1 more source

Robustness Assessment of Regional GNSS Geodetic Networks for Precise Applications

open access: yesJournal of Engineering, 2018
Over the past few decades, the surveying fieldworks were usually carried out based on classical positioning methods for establishing horizontal and vertical geodetic networks. However, these conventional positioning techniques have many drawbacks such as
Oday Y. M. Zeki Alhamadani   +1 more
doaj  

Forward Modeling of Bending Angles With a Two‐Dimensional Operator for GNSS Airborne Radio Occultations in Atmospheric Rivers

open access: yesJournal of Advances in Modeling Earth Systems, Volume 17, Issue 4, April 2025.
Abstract The Global Navigation Satellite System (GNSS) airborne radio occultation (ARO) technique is used to retrieve profiles of the atmosphere during reconnaissance missions for atmospheric rivers (ARs) on the west coast of the United States. The measurements of refractive bending angle integrate the effects of variations in refractive index over ...
P. Hordyniec   +5 more
wiley   +1 more source

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