Results 31 to 40 of about 24,812 (309)

Conduit system, degassing, and flow dynamics of a rhyolite lava: A case study of the Shiroyama lava on Himeshima Island, Japan

open access: yesVolcanica, 2021
This study presents a description of a rhyolite lava-forming eruption, including the conduit system, degassing history during the lava flow dynamics. We examined the Pleistocene Shiroyama rhyolite lava on Himeshima Island, Japan.
Kuniyuki Furukawa   +4 more
doaj   +1 more source

Aeolian sediment transport on Io from lava-frost interactions [PDF]

open access: yes, 2022
Surface modification on Jupiter's volcanically active moon, Io, has to date been attributed almost exclusively to lava emplacement and volcanic plume deposits. Here we demonstrate that wind-blown transport of sediment may also be altering the Ionian surface.
arxiv   +1 more source

LAVA TUBE LEIðARENDI [PDF]

open access: yesRudarsko-geološko-naftni zbornik, 2017
The article related to the journal cover is dealing with the Iceland geology and lava tube Leiðarendi.
openaire   +3 more sources

Rock Magnetic, Petrography, and Geochemistry Studies of Lava at the Ijen Volcanic Complex (IVC), Banyuwangi, East Java, Indonesia

open access: yesGeosciences, 2018
Lava has complex geochemical characteristics based on differences in eruption centers, eruptive events, and flow emplacement. Characterization of lava is useful for understanding the geological conditions of a volcanic region.
Aditya Pratama   +3 more
doaj   +1 more source

Chemical, Textural and Thermal Analyses of Local Interactions Between Lava Flow and a Tree – Case Study From Pāhoa, Hawai’i

open access: yesFrontiers in Earth Science, 2020
Because many volcanoes are densely vegetated, understanding of the interactions between active lava flows and trees is essential for robust hazard modeling.
Jonas Biren   +10 more
doaj   +1 more source

Genetic inference of orchid population dynamics on different‐aged lava flows in Costa Rica

open access: yesBiotropica, Volume 55, Issue 1, Page 95-105, January 2023., 2023
Volcán Arenal lava flows represent natural, non‐anthropogenic habitat disturbance that permit precise knowledge of when these sites became available for colonization. By examining the levels and spatial distribution of genetic variation of five Epidendrum radicans populations growing on lava flows deposited in 1968 and 1992, we were able to infer ...
Dorset W. Trapnell, James L. Hamrick
wiley   +1 more source

Lava Flow Roughness on the 2014–2015 Lava Flow-Field at Holuhraun, Iceland, Derived from Airborne LiDAR and Photogrammetry

open access: yesGeosciences, 2020
Roughness can be used to characterize the morphologies of a lava flow. It can be used to identify lava flow features, provide insight into eruption conditions, and link roughness pattern across a lava flow to emplacement conditions. In this study, we use
Muhammad Aufaristama   +4 more
doaj   +1 more source

LAVA: Label-efficient Visual Learning and Adaptation [PDF]

open access: yesarXiv, 2022
We present LAVA, a simple yet effective method for multi-domain visual transfer learning with limited data. LAVA builds on a few recent innovations to enable adapting to partially labelled datasets with class and domain shifts. First, LAVA learns self-supervised visual representations on the source dataset and ground them using class label semantics to
arxiv  

A multicenter randomized controlled clinical pilot study of buccally micro‐veneered lithium‐disilicate and zirconia crowns supported by titanium base abutments: 1‐year outcomes

open access: yesClinical Oral Implants Research, Volume 34, Issue 1, Page 56-65, January 2023., 2023
Abstract Objectives To investigate survival rates, technical and biologic outcomes of buccally micro‐veneered all‐ceramic single implant crowns. Material and Methods Sixty subjects randomly received immediately or early placed implants. Crowns out of lithium‐disilicate (n = 30) and zirconia‐ceramic (n = 30) were bonded to titanium‐base‐abutments ...
Malin Strasding   +5 more
wiley   +1 more source

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