Results 131 to 140 of about 330,489 (298)

Effect of volcanic debris on stratospheric ion conductivity [PDF]

open access: yes
The reduction is reported of stratospheric ion conductivities in the altitude range of 20 to 27 km attributable to the aerosols injected into the stratosphere by the eruption of volcano Nevado Del Ruiz on November 13, 1985. Three balloon experiments were
Garg, S. C.   +3 more
core   +1 more source

Volcanoes and Climate: Sizing up the Impact of the Recent Hunga Tonga-Hunga Ha’apai Volcanic Eruption from a Historical Perspective

open access: yesAdvances in Atmospheric Sciences, 2022
M. Zuo   +6 more
semanticscholar   +1 more source

Tree growth response and adaptation to climate change and climate extremes: From canopy to stem

open access: yesJournal of Integrative Plant Biology, EarlyView.
This review synthesizes the responses and adaptations of tree growth, including canopy phenology, intra‐annual wood formation dynamics, and annual stem growth, to climate change and climate extremes. It highlights key knowledge gaps for future research to support sustainable forest management and enhance forest carbon storage under ongoing climate ...
Feiyu Yang   +8 more
wiley   +1 more source

Government Spending and Civic Engagement: Exploring the Role of Civil Society Participation and Voting in 28 Democracies

open access: yesKyklos, EarlyView.
ABSTRACT This study offers causal evidence on how distinct forms of civic engagement affect government spending across 28 democracies between 2000 and 2024. Its main innovation lies in disentangling the fiscal effects of two channels of engagement—civil society participation and electoral turnout—through an original identification strategy that ...
Anna Lo Prete, Agnese Sacchi
wiley   +1 more source

Development of science subject-specific pedagogy to support disaster risk reduction in education: its feasibility and influence

open access: yesEdu Sains: Jurnal Pendidikan Sains dan Matematika
This research is aimed to (1) produce science subject-specific pedagogy based on discovery learning integrated volcanic eruption disaster consisting of syllabus, lesson plan, student worksheet, and handouts according to experts and learning practitioners,
Rizki Arumning Tyas   +2 more
doaj   +1 more source

Volcano seismicity and ground deformation unveil the gravity-driven magma discharge dynamics of a volcanic eruption

open access: yesNature Communications, 2015
Effusive eruptions are explained as the mechanism by which volcanoes restore the equilibrium perturbed by magma rising in a chamber deep in the crust.
M. Ripepe   +8 more
semanticscholar   +1 more source

Sampling the volcanic plumes at Io: Impact speeds and shock conditions

open access: yesMeteoritics &Planetary Science, EarlyView.
Abstract The desire to sample material from the interior of Io, by flying through its volcanic plumes, requires consideration of the flyby speed and the types of sample collection techniques that can be utilized. Low speed collection (1–2.5 km s−1) would require an orbit around Io itself, which is unlikely due to the accumulated radiation dose that ...
M. J. Burchell   +2 more
wiley   +1 more source

Moon's volcanic history revealed in glassy spherules from Apollo 17 soil 76501

open access: yesMeteoritics &Planetary Science, EarlyView.
Abstract Rapidly quenched droplets of pyroclastically erupted lava are common in lunar regolith at landing sites proximal to the maria. Here, we document the U‐Pb chronologies, major element, and trace element compositions of picritic glassy particles from Apollo 17 regolith sample 76501. These particles are dominated by high‐Ti compositions similar to
Alexander A. Nemchin   +9 more
wiley   +1 more source

On Volcanic Eruptions [PDF]

open access: yesNature, 1874
A PASSAGE in Nasmyth's work on the “Moon” suggests, as a consequence, an explanation of volcanic eruptions that I have often given in lectures. The point to be explained is, why they are sudden and intermittent. Processes of cooling and expansion are gradual.
openaire   +1 more source

Global link between deformation and volcanic eruption quantified by satellite imagery

open access: yesNature Communications, 2014
A key challenge for volcanological science and hazard management is that few of the world’s volcanoes are effectively monitored. Satellite imagery covers volcanoes globally throughout their eruptive cycles, independent of ground-based monitoring ...
J. Biggs   +6 more
semanticscholar   +1 more source

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