Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Ben M. Kennedy"'
Autor:
Pedro Doll, Gillian M. Turner, Ben M. Kennedy, Alexander R. L. Nichols, Annika Greve, Jim W. Cole, Shaun R. Eaves, Dougal B. Townsend, Graham S. Leonard, Chris E. Conway
Publikováno v:
Geochemistry, Geophysics, Geosystems, Vol 25, Iss 9, Pp n/a-n/a (2024)
Abstract Dating young lava flows is essential for understanding volcano's eruption frequency, yet challenging due to methodological limitations of commonly used dating techniques. Ruapehu (Aotearoa New Zealand) produced many lava flows during the Hol
Externí odkaz:
https://doaj.org/article/e3dc73973d8c4fccbb70aa49c87ad9d9
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-15 (2023)
Abstract Cycles of stress build-up and release are inherent to tectonically active planets. Such stress oscillations impart strain and damage, prompting mechanically loaded rocks and materials to fail. Here, we investigate, under uniaxial conditions,
Externí odkaz:
https://doaj.org/article/7d0a7c538ec34367a1334de2f42f6556
Publikováno v:
Volcanica, Vol 5, Iss 2, Pp 451-467 (2022)
Virtual field trips (VFTs) are an effective form of geoscience teaching to support or provide alternatives to in-person field trips. We report on the design and implementation of the Iceland VFT aimed at teaching physical volcanology in a third-year
Externí odkaz:
https://doaj.org/article/0bed9d79eaaf43268aa4d088e66eb02f
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-13 (2021)
This review dives deep into how earthquakes affect volcanoes, specifically into the relation between tectonic seismic activity and subsequent eruptions. Activity may increase in any volcanic setting in the 2–5 years following an earthquake, and esp
Externí odkaz:
https://doaj.org/article/bc21a99738164ad0811399b624758cc3
Autor:
Gilles Seropian, Ben M. Kennedy, Jackie E. Kendrick, Yan Lavallée, Alexander R. L. Nichols, Felix W. von Aulock, Donald B. Dingwell, Kai-Uwe Hess, Anthony Lamur, Jenny Schauroth, Jérémie Vasseur, Fabian B. Wadsworth
Publikováno v:
Frontiers in Earth Science, Vol 10 (2022)
Magma ascending in the Earth’s crust can undergo oscillations in pressure, from ultra-low frequency changes associated with tectonics, to relatively higher frequency oscillations associated with seismicity. Seismic waves travelling through shallow
Externí odkaz:
https://doaj.org/article/3fa73c5b0092488ebf9fa9f83d6b7ad4
Publikováno v:
Frontiers in Earth Science, Vol 8 (2020)
Pyroclastic density currents (PDCs) are a destructive volcanic hazard. Quantifying the types, frequency and magnitudes of PDC events is essential for effective risk management, but since historical records at best extend a few hundred years this usua
Externí odkaz:
https://doaj.org/article/7303dc5fa39c46ba9261c97e7a957972
Publikováno v:
Frontiers in Earth Science, Vol 8 (2020)
Pyroclastic density current (PDC) deposits, especially small to medium volume events, have low preservation potential at many volcanoes, particularly when unconsolidated or deposited on steep, glaciated slopes. This may lead to an underrepresentation
Externí odkaz:
https://doaj.org/article/9d56e613b75f4368963ace3d8ad5d885
Autor:
Ben M. Kennedy, Aaron Farquhar, Robin Hilderman, Marlène C. Villeneuve, Michael J. Heap, Stan Mordensky, Geoffrey Kilgour, Art. Jolly, Bruce Christenson, Thierry Reuschlé
Publikováno v:
Geosciences, Vol 10, Iss 4, p 138 (2020)
Breccia-filled eruption conduits are dynamic systems where pressures frequently exceed critical thresholds, generating earthquakes and transmitting fluids. To assess the dynamics of breccia-filled conduits, we examine lava, ash tuff, and hydrothermal
Externí odkaz:
https://doaj.org/article/60fb28d5151f4225ba6418ad4fbf7c4b
Publikováno v:
Frontiers in Earth Science, Vol 6 (2018)
The structures and textures preserved in lava domes reflect underlying magmatic and eruptive processes, and may provide evidence of how eruptions initiate and evolve. This study explores the remarkable cycles in lava extrusion style produced between
Externí odkaz:
https://doaj.org/article/76f58934a20343abb7d5010791e2cb71
Publikováno v:
Frontiers in Earth Science, Vol 5 (2017)
During magma ascent, bubbles nucleate, grow, coalesce, and form a variably permeable porous network. The reorganization, failing and sealing of bubble walls may contribute to the opening and closing of the volcanic system. In this contribution we cau
Externí odkaz:
https://doaj.org/article/074bfa3b181c4627b20a30e78481cb4b