Results 81 to 90 of about 9,430 (230)

New Insights Into Hikurangi Subduction Inputs and Megathrust Host Rocks Spanning Along‐Margin Changes in Fault Slip Behavior

Geochemistry, Geophysics, Geosystems, Volume 27, Issue 6, June 2026.
Abstract The seismic behavior of subduction megathrusts varies spatially and is influenced by the properties of subducting plates, including their sedimentary cover. Characterizing these subduction inputs is essential for understanding the mechanisms behind fault slip variability.
Philip M. Barnes, Gareth J. Crutchley, Martin P. Crundwell, Stuart A. Henrys, Andrew Gase, Sam R. Davidson, Nathan Bangs, Harm Van Avendonk, Michael Underwood, Anthony E. Shorrock, Laura S. McDonald, Lorna J. Strachan, Helen C. Bostock   +12 more
wiley   +1 more source

Rift Development, Tectonic Forcings, and Magmatic Feedbacks at Santorini and Kolumbo Volcanoes Constrained by Scientific Drilling and Core‐Seismic Integration

Geochemistry, Geophysics, Geosystems, Volume 27, Issue 6, June 2026.
Abstract Volcanism in continental rifts, rifted volcanic arcs, and back‐arc basins is fundamentally coupled with crustal extension. However, the precise geometry and timing of the fault systems that facilitate magma transport and accommodate extension remain poorly constrained.
Jonas Preine, Christian Hübscher, Tim Druitt, Matthias Hartge, Abigail Metcalfe, Steffen Kutterolf, Katharina Pank, Jens Karstens, Paraskevi Nomikou, Masako Tominaga, Emilie Hooft, Beck Hufstetler, Kaisa Autumn, Gareth Crutchley, Maria B. Jover, Christian Berndt, Thomas A. Ronge, IODP Expedition 398 Scientists   +17 more
wiley   +1 more source

VOLCANIC EVENTS RECORD OVER THE LAST 900 YEARS FROM SNOW AND FIRN SEQUENCE IN VOSTOK STATION AREA

Лëд и снег, 2015
The results of chemical analyses of snow samples from five pits and cores drilled in the vicinities of Vostok Station, Antarctica, are presented. High resolution (every 2–3 cm, or about three samples per year) ion measurements allowed to compile a new ...
T. V. Hodzher, L. P. Golobokova, E. Yu. Osipov, N. A. Onishchuk, U. G. Filippova, V. Yu. Lipenkov, A. A. Ekaykin   +6 more
doaj   +1 more source

The Decline of a Caldera‐Filling Glacier at Volcán Sollipulli, Chile

Journal of Geophysical Research: Earth Surface, Volume 131, Issue 6, June 2026.
Abstract Southern Andean glaciers have undergone fast retreat in recent decades. This results in reduced freshwater storage, contribution to sea‐level rise, and locally to the formation of glacial lakes, that may pose the risk of glacial lake outburst floods (GLOFs).
J. E. Arndt, M. Somos, S. Navas, D. Farías‐Barahona, A. Rivera, H. Xie, A. Fernández   +6 more
wiley   +1 more source

Palynology, vegetation and climate of the Waikato lowlands, North Island, New Zealand, since c. 18,000 years ago

, 1989
The vegetational and climatic history of the Waikato lowlands during the last c. 18,000 years is inferred from the palynology of sediment cores from Lakes Rotomanuka, Rotokauri, and Okoroire.
Lowe, David J., Newnham, Rewi M., Green, John D.   +2 more
core   +1 more source

Shard concentrations and geochemical composition of tephra layers from deep sediment cores MD99-2284, GS16-204-22CC and GS16-204-18CC. Tephra horizons identified in the western North Atlantic and Nordic Seas during the Last Glacial Period

, 2020
Geochemically distinct volcanic ash (tephra) deposits are increasingly acknowledged as a key geochronological tool to synchronize independent paleoclimate archives.
Cederstrøm, Jan Magne, Berben, Sarah M P, Rutledal, Sunniva, Jansen, Eystein, van der Bilt, Willem G M, Dokken, Trond   +5 more
core   +1 more source

Eruption Source Parameters in Volcanic Plume Modeling: Advances, Challenges, and Future Directions

Reviews of Geophysics, Volume 64, Issue 2, June 2026.
Abstract Accurately predicting the atmospheric dispersion of volcanic ash and gases is crucial for both scientific understanding and hazard mitigation. Estimating Eruption Source Parameters (ESP), such as mass eruption rate, plume height, duration, and particle size distribution and properties, remains challenging due to the complex nature of volcanic ...
A. Costa, A. Folch, Y. J. Suzuki, L. Mingari, G. Macedonio   +4 more
wiley   +1 more source

WebTephraCalc: a tephra fall volume estimation system using WebGIS and OGC web services

Earth, Planets and Space
Total tephra fall volume information is helpful in understanding the nature of volcanic activity and the extent of the destruction caused by the phenomenon.
Joel Bandibas, Shinji Takarada
doaj   +1 more source

The Role of Amplicon Length and Total DNA Length in Synthetic DNA Tracer Degradation and Adsorption During Transport Through Sand

Water Resources Research, Volume 62, Issue 6, June 2026.
Abstract Synthetic DNA tracers are increasingly used in subsurface hydrological studies because their large sequence diversity enables the design of numerous uniquely identifiable tracers. However, previous studies have not isolated how amplicon length, flanking region length, and total DNA length independently control tracer degradation and adsorption
Geng Liu, Chaozi Wang, Helen E. Dahlke, M. Todd Walter, En Xie, Xiao Zhao, Guanhua Huang, Quanzhong Huang, Xin He, Xinfeng Wang, Jiarong Liu, Zengjie Hu, Yuhan Zhang, Haoqi Guo, Zhen Wang, Pu Wang, Weishu Wang, Chenglong Zhang, Zailin Huo   +18 more
wiley   +1 more source

Late Pleistocene synchronous caldera-forming eruptions in north and south of Japan: paleomagnetic and tephrochronological evidence from the Kutcharo II/III and Aso-4 tephras

Earth, Planets and Space
We conducted paleomagnetic analysis of two late Pleistocene caldera-forming eruption deposits, the Aso-4 tephra from the Aso caldera in Kyushu and Kp II/III deposits from the Kutcharo caldera in Hokkaido Japan, to constrain the time scales of the ...
Shohei Shibata, Takeshi Hasegawa, Akihiro Tanimoto, Nobutatsu Mochizuki, Makoto Okada   +4 more
doaj   +1 more source