Applied Sciences (Switzerland), 2017 Volcanic eruptions cause pyroclastic flows, which can destroy plantations and settlements. We used image data from Landsat 7 Bands 7, 4 and 2 and Landsat 8 Bands 7, 5 and 3 to observe and analyze the distribution of pyroclastic flow deposits for two ...
Chang-Wook Lee, Lee Chang-Wook
exaly +3 more sources
Petroleum Exploration and Development, 2022 By examining field outcrops, drilling cores and seismic data, it is concluded that the Middle and Late Permian “Emeishan basalts” in Western Sichuan Basin were developed in two large eruption cycles, and the two sets of igneous rocks are in unconformable
Kang Chen, Wang Su
exaly +3 more sources
Reconciling pyroclastic flow and surge: the multiphase physics of pyroclastic density currents [PDF]
Earth and Planetary Science Letters, 2002 Two end-member types of pyroclastic density current are commonly recognized: pyroclastic surges are dilute currents in which particles are carried in turbulent suspension and pyroclastic flows are highly concentrated flows. We provide scaling relations that unify these end-members and derive a segregation mechanism into basal concentrated flow and ...
Alain Burgisser, George W Bergantz
exaly +3 more sources
PDCD-DAT – a global database of pyroclastic density current deposit field data [PDF]
Journal of Applied VolcanologyPyroclastic density currents represent one of the deadliest hazards posed by active volcanoes. Analysis of their deposits provides valuable insights into their internal dynamics and informs numerical simulations of pyroclastic density currents which ...
Joshua Brown +11 more
doaj +2 more sources
Post-bottleneck increase in mitochondrial DNA diversity in Yaku sika deer (Cervus nippon yakushimae) on Yakushima Island, Japan [PDF]
Scientific ReportsWe investigated the genetic diversity and divergence of sika deer (Cervus nippon) descended from survivors of a catastrophic pyroclastic flow event approximately 7,300 years ago by analyzing the 894 base pairs mitochondrial DNA control region extracted ...
Yoshimi Agetsuma-Yanagihara +2 more
doaj +2 more sources
Permian Large Igneous Provinces and Their Paleoenvironmental Effects
Geophysical Monograph Series, Page 417-434., 2021 Exploring the links between Large Igneous Provinces and dramatic environmental impact
An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Jun Chen, Yi‐Gang Xu
wiley +7 more sources
Petroleum Exploration and Development, 2023 The conventional lithofacies and facies model of subaerial and marine pyroclastic rocks cannot reflect the characteristics of subaqueous volcanic edifice in lacustrine basins.
Xuanlong SHAN +7 more
doaj +1 more source
Physical properties of pyroclastic density currents: relevance, challenges and future directions
Frontiers in Earth Science, 2023 Pyroclastic density currents (PDCs) are hazardous and destructive phenomena that pose a significant threat to communities living in the proximity of active volcanoes.
Thomas J. Jones +10 more
doaj +1 more source
ANCAMAN ERUPSI KAWAH IJEN TERHADAP MASYARAKAT LERENG IJEN (KABUPATEN BONDOWOSO)
ASANKA, 2020 Ijen caldera complex is a volcano that has a 7 km diameter elliptical caldera which only leaving a northern caldera wall curving towards the southward.
Dhimas Bagus Virgiawan
doaj +1 more source
IMEX_SfloW2D 1.0: a depth-averaged numerical flow model for pyroclastic avalanches [PDF]
Geoscientific Model Development, 2019 Pyroclastic avalanches are a type of granular flow generated at active volcanoes by different mechanisms, including the collapse of steep pyroclastic deposits (e.g., scoria and ash cones), fountaining during moderately explosive eruptions, and crumbling ...
M. de' Michieli Vitturi +3 more
doaj +1 more source