Tephra layers in the marine environment: a review of properties and emplacement processes

A Freundt, JC Schindlbeck-Belo, S Kutterolf… - 2023 - pubs.geoscienceworld.org
This review focuses on the recognition of volcanic ash occurrences in marine sediment
cores and on using their appearance and properties to deduce their origin. Widespread …

Correlating tephras and cryptotephras using glass compositional analyses and numerical and statistical methods: review and evaluation

DJ Lowe, NJG Pearce, MA Jorgensen… - Quaternary Science …, 2017 - Elsevier
We define tephras and cryptotephras and their components (mainly ash-sized particles of
glass±crystals in distal deposits) and summarize the basis of tephrochronology as a …

Sources of uncertainty in the Mazama isopachs and the implications for interpreting distal tephra deposits from large magnitude eruptions

HM Buckland, KV Cashman, SL Engwell… - Bulletin of Volcanology, 2020 - Springer
Estimating the area of tephra fallout and volume of large magnitude eruptions is
fundamental to interpretations of the hazards posed by eruptions of this scale. This study …

Advancing tephrochronology as a global dating tool: applications in volcanology, archaeology, and palaeoclimatic research

CS Lane, DJ Lowe, SPE Blockley, T Suzuki… - Quaternary …, 2017 - Elsevier
Layers of far-travelled volcanic ash (tephra) from explosive volcanic eruptions provide
stratigraphic and numerical dating horizons in sedimentary and volcanic sequences. Such …

Tephra without borders: Far-reaching clues into past explosive eruptions

V Ponomareva, M Portnyagin, SM Davies - Frontiers in Earth Science, 2015 - frontiersin.org
This review is intended to highlight recent exciting advances in the study of distal (> 100 km
from the source) tephra and cryptotephra deposits and their potential application for …

Tephrochronology in Aotearoa New Zealand

JL Hopkins, DJ Lowe, JL Horrocks - New Zealand Journal of …, 2021 - Taylor & Francis
ABSTRACT Tephra deposits in Aotearoa New Zealand (ANZ) have been studied for> 180
years. The now-global discipline of tephrochronology, which has some developmental roots …

Large-scale pore network and continuum simulations of solute longitudinal dispersivity of a saturated sand column

MG Mahmoodlu, A Raoof, T Bultreys… - Advances in Water …, 2020 - Elsevier
Predicting the solute dispersivity in porous media is complicated by the known scale
dependency of dispersion processes. In this study, we combined three complementary …

The 3.6 ka Aniakchak tephra in the Arctic Ocean: a constraint on the Holocene radiocarbon reservoir age in the Chukchi Sea

C Pearce, A Varhelyi, S Wastegård… - Climate of the …, 2017 - cp.copernicus.org
The caldera-forming eruption of the Aniakchak volcano in the Aleutian Range on the
Alaskan Peninsula at 3.6 cal kyr BP was one of the largest Holocene eruptions worldwide …

[HTML][HTML] Pore, live root and necromass quantification in complex heterogeneous wetland soils using X-ray computed tomography

C Chirol, SJ Carr, KL Spencer, I Moeller - Geoderma, 2021 - Elsevier
Subsurface structures and especially the interactions between pores, roots and other
organic matter elements have a strong impact on ecosystem functioning. Yet despite recent …