Results 31 to 40 of about 771 (201)

Last interglacial sea-level proxies in the glaciated Northern Hemisphere [PDF]

open access: yesEarth System Science Data, 2022
Because global sea level during the last interglacial (LIG; 130–115 ka) was higher than today, the LIG is a useful approximate analogue for improving predictions of future sea-level rise. Here, we synthesize sea-level proxies for the LIG in the glaciated
A. S. Dalton   +8 more
doaj   +1 more source

Composite development and stratigraphy of the Onepoto maar lake sediment sequence (Auckland Volcanic Field, New Zealand) [PDF]

open access: yesScientific Drilling, 2021
The accurate and precise reconstruction of Quaternary climate as well as the events that punctuate it is an important driver of the study of lake sediment archives.
B. Läuchli   +3 more
doaj   +1 more source

Synchronous or Not? The Timing of the Younger Dryas and Greenland Stadial-1 Reviewed Using Tephrochronology

open access: yesQuaternary, 2022
The exact spatial and temporal behaviour of rapid climate shifts during the Last Glacial–Interglacial Transition are still not entirely understood. In order to investigate these events, it is necessary to have detailed palaeoenvironmental reconstructions
Simon A. Larsson   +3 more
doaj   +1 more source

Tephrostratigraphy and tephrochronology of lakes Ohrid and Prespa, Balkans [PDF]

open access: yesBiogeosciences, 2010
Four cores from Balkans lakes Ohrid and Prespa were examined for recognition of tephra layers and cryptotephras, and the results presented along with the review of data from other two already published cores from Lake Ohrid.
R. Sulpizio   +4 more
doaj   +1 more source

Peat humification and climate change: a multi-site comparison from mires in south-east Alaska [PDF]

open access: yesMires and Peat, 2008
Peatland records of Holocene palaeoclimate have been widely used in Europe. Their potential in western North America remains largely unexploited despite an abundance of candidate sites.
R.J. Payne, J.J. Blackford
doaj   +2 more sources

Detection of Tephra Layers in Antarctic Sediment Cores with Hyperspectral Imaging. [PDF]

open access: yesPLoS ONE, 2016
Tephrochronology uses recognizable volcanic ash layers (from airborne pyroclastic deposits, or tephras) in geological strata to set unique time references for paleoenvironmental events across wide geographic areas.
Ismael F Aymerich   +3 more
doaj   +1 more source

Geological evidence for paleotsunamis along eastern Sicily (Italy): an overview [PDF]

open access: yesNatural Hazards and Earth System Sciences, 2012
We present geological evidence for paleotsunamis along the ~230 km-long coast of eastern Sicily (Italy); combining this information with historical data, we reconstruct a unique history of tsunami inundations.
P. M. De Martini   +6 more
doaj   +1 more source

Relation between Central European Climate Change and Eifel Volcanism during the Last 130,000 Years: The ELSA-23-Tephra-Stack

open access: yesQuaternary
The analysis of tephra layers in maar lake sediments of the Eifel shows 14 well-visible tephra during the last glacial cycle from the Holocene to the Eemian (0–130,000 yr b2k).
Frank Sirocko   +5 more
doaj   +1 more source

Big grains go far: understanding the discrepancy between tephrochronology and satellite infrared measurements of volcanic ash [PDF]

open access: yesAtmospheric Measurement Techniques, 2015
There is a large discrepancy between the size of volcanic ash particles measured on the ground at least 500 km from their source volcano (known as cryptotephra) and those reported by satellite remote sensing (effective radius of 0.5–9 μm; 95% of ...
J. A. Stevenson   +4 more
doaj   +1 more source

Vedde Ash constrains Younger Dryas glacier re-advance and rapid glacio-isostatic rebound on Svalbard

open access: yesQuaternary Science Advances, 2022
The distal deposition of tephra from explosive volcanism has the potential to geochronologically constrain sedimentary archives and landforms.
Wesley R. Farnsworth   +12 more
doaj   +1 more source

Home - About - Disclaimer - Privacy