Results 21 to 30 of about 134,021 (261)

Microstratigraphic Records as Tools for the Detection of Climatic Changes in Tana di Badalucco Cave (Liguria, NW Italy)

open access: yesGeosciences, 2019
Tana di Badalucco cave is located in Imperia (Liguria, Italy), not far from the French border. This site is scarcely known and it has never been studied accurately, even though different archaeological excavations have returned really important elements,
Eleonora Sessa   +6 more
doaj   +1 more source

Quaternary Large Mammals from the Granada Geopark: A Magnificent Record with Examples of Geoconservation. [PDF]

open access: yesGeoconservation Research, 2021
Granada Geopark, covering almost all of the Guadix-Baza basin, contains an exceptional and near-continuous fossil record of the evolution of Pliocene to middle Pleistocene land mammals (5–0.5 Ma).
Alfonso Arribas Herrera   +4 more
doaj   +1 more source

Bone need not remain an elephant in the room for radiocarbon dating [PDF]

open access: yesRoyal Society Open Science, 2021
Radiocarbon (14C) analysis of skeletal remains by accelerator mass spectrometry is an essential tool in multiple branches of science. However, bone 14C dating results can be inconsistent and not comparable due to disparate laboratory pretreatment ...
Salvador Herrando-Pérez
doaj   +1 more source

Morphology, biostratigraphy, and evolution of Pliocene-Pleistocene diatoms Proboscia barboi and Proboscia curvirostris

open access: yesGeologica Acta, 2019
Proboscia barboi and Proboscia curvirostris are two important diatom biostratigraphic markers from the high latitudes of the North Pacific and North Atlantic Oceans, dating back to the Pliocene-Pleistocene time.
J. Andrade   +3 more
doaj   +1 more source

Late Quaternary history of Lammefjorden, north-west Sjælland, Denmark

open access: yesGEUS Bulletin, 2020
Lammefjorden is a reclaimed fjord in north-west Sjælland, Denmark. Sediment cores from the area were collected to study its development after the last deglaciation, in particular the sea-level history.
Ole Bennike   +2 more
doaj   +1 more source

Quaternary Reversible Circuit Optimization for Scalable Multiplexer and Demultiplexer

open access: yesIEEE Access, 2023
Information loss is generally related to power consumption. Therefore, reducing information loss is an interesting challenge in designing digital systems.
Asma Taheri Monfared   +3 more
doaj   +1 more source

Quaternary glacial cycles: Karst processes and the global CO2 budget

open access: yesActa Carsologica, 2013
Extensive research has been conducted investigating the relationship between karst processes, carbonate deposition and the global carbon cycle. However, little work has been done looking into the relationship between glaciations, subsequent sea level ...
Erik B. Larson, John E. Mylroie
doaj   +1 more source

More water-soluble brown carbon after the residential “coal-to-gas” conversion measure in urban Beijing

open access: yesnpj Climate and Atmospheric Science, 2023
The implementation of air pollution reduction measures has significantly reduced the concentration of atmospheric fine particles (PM2.5) in Beijing, among which the “coal-to-gas” conversion measures may play a crucial role.
Wei Yuan   +11 more
doaj   +1 more source

High-resolution remapping of the coastal dune fields of south east Queensland, Australia: a morphometric approach

open access: yesJournal of Maps, 2019
The sand islands and shore-attached dune fields of south east Queensland form the world’s oldest and largest coastal sand dune system. Here we present updated morphological maps for the dune fields based on topographic expression and geomorphic ...
Nicholas R. Patton   +2 more
doaj   +1 more source

Late Quaternary Variations in the South American Monsoon System as Inferred by Speleothems—New Perspectives Using the SISAL Database

open access: yesQuaternary, 2019
Here we present an overview of speleothem δ18O records from South America, most of which are available in the Speleothem Isotopes Synthesis and Analysis (SISAL_v1) database.
Michael Deininger   +3 more
doaj   +1 more source

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