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Geosciences, Volume 14, Issue 7

July 2024 - 22 articles

Cover Story: This article presents a new episode of accelerated environmental change recorded during the late Barremian. The study is based on a multi-proxy approach integrating C-isotope stratigraphy, a high-resolution quantitative study of nannofossil assemblages, major and trace elements, and biomarkers. Our results outline the paleoenvironmental conditions recorded during the early stages of the Taxy Episode. A disturbance has been identified in the C-isotope record, called the IFeNE (Intra-Feradianus negative C-excursion), which predates the well-known ISNE (Intra-Sarasini negative C-excursion). This study unveils a separate episode of warming heralding the ISNE, resulting in the acceleration of the hydrological cycle and a consequent increase in continental inputs and the fertilization of surface waters, which is linked to the early phases of the Ontong Java Plateau. View this paper
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Articles (22)

  • Article
  • Open Access
1,368 Views
17 Pages

Geological Assessment of Faults in Digitally Processed Aerial Images within Karst Area

  • Laszlo Podolszki,
  • Nikola Gizdavec,
  • Mateo Gašparović and
  • Tihomir Frangen

The evolution of map development has been shaped by advancing techniques and technologies. Nevertheless, field and remote mapping with cabinet data analysis remains essential in this process. Geological maps are thematic maps that delineate diverse g...

  • Article
  • Open Access
3 Citations
1,572 Views
22 Pages

This work illustrates a semi-quantitative approach to evaluate changes in regional landslide distribution as a consequence of forecasted climate change, which can be adopted at other regions. We evaluated the relationship between climate conditions a...

  • Article
  • Open Access
1,354 Views
15 Pages

Flash floods in ephemeral streams are rare, short and difficult to forecast and thus to monitor. During these events, bedload transport reaches very high rates and most sediment transport occurs within a limited number of hours during the course of a...

  • Article
  • Open Access
3 Citations
1,617 Views
27 Pages

A PLL-Based Doppler Method Using an SDR-Receiver for Investigation of Seismogenic and Man-Made Disturbances in the Ionosphere

  • Nazyf Salikhov,
  • Alexander Shepetov,
  • Galina Pak,
  • Vladimir Saveliev,
  • Serik Nurakynov,
  • Vladimir Ryabov and
  • Valery Zhukov

The article describes in detail the equipment and method for measuring the Doppler frequency shift (DFS) on an inclined radio path, based on the principle of the phase-locked loop using an SDR receiver for the investigation of seismogenic and man-mad...

  • Article
  • Open Access
1 Citations
1,601 Views
20 Pages

The Preparation Phase of the 2022 ML 5.7 Offshore Fano (Italy) Earthquake: A Multiparametric–Multilayer Approach

  • Martina Orlando,
  • Angelo De Santis,
  • Mariagrazia De Caro,
  • Loredana Perrone,
  • Saioa A. Campuzano,
  • Gianfranco Cianchini,
  • Alessandro Piscini,
  • Serena D’Arcangelo,
  • Massimo Calcara and
  • Cristiano Fidani
  • + 3 authors

This paper presents an analysis of anomalies detected during the preparatory phase of the 9 November 2022 ML = 5.7 earthquake, occurring approximately 30 km off the coast of the Marche region in the Adriatic Sea (Italy). It was the largest earthquake...

  • Article
  • Open Access
3,310 Views
25 Pages

There are some persistent basic questions pertaining to the bedrock schist of New York City (NYC). How many mappable schist formations are exposed in NYC, and what was the sedimentary protolith of the Manhattan schists? Our proposed answers are based...

  • Article
  • Open Access
1 Citations
2,523 Views
16 Pages

Elemental Geochemistry on Paleoenvironment Reconstruction: Proxies on Miocene-Pliocene of Marine to Fluvial Sediment in Serpong, Banten, Indonesia

  • Heri Syaeful,
  • Syaiful Bakhri,
  • Budi Muljana,
  • Agus Sumaryanto,
  • I. Gde Sukadana,
  • Hendra Adhi Pratama,
  • Adi Gunawan Muhammad,
  • Ngadenin,
  • Frederikus Dian Indrastomo and
  • Roni Cahya Ciputra
  • + 5 authors

Research of the depositional environment using geological mapping, petrography, gamma-ray (GR) log, palynology, and foraminifera fossils of the Bojongmanik Formation has led to the formation of several different conclusions about the transition to th...

  • Article
  • Open Access
2 Citations
2,155 Views
22 Pages

This study involves an investigation into the grain size distribution and provenance of the sand deposited near Zagreb (Croatia) in the riverbed of the regionally important, almost 1000 km long Sava River, which connects several SE European countries...

  • Article
  • Open Access
1 Citations
1,501 Views
12 Pages

New Evidence for an Episode of Accelerated Environmental Change in the Late Barremian: Geochemical and Paleontological Records from the Subbetic Basin (Western Tethys)

  • Ginés A. de Gea,
  • José Manuel Castro,
  • Miguel Company,
  • Luis O’Dogherty,
  • José Sandoval,
  • María Luisa Quijano,
  • Cristina Sequero,
  • Sandro Froehner and
  • Roque Aguado

We investigate a new event of accelerated environmental change that was recorded during the late Barremian in the pelagic Subbetic Basin (Western Tethys). Two pelagic sections have been studied using a multi-proxy approach based on C-isotope stratigr...

  • Article
  • Open Access
2,132 Views
21 Pages

Mapping Seafloor Sediment Distributions Using Public Geospatial Data and Machine Learning to Support Regional Offshore Renewable Energy Development

  • Connor W. Capizzano,
  • Alexandria C. Rhoads,
  • Jennifer A. Croteau,
  • Benjamin G. Taylor,
  • Marisa L. Guarinello and
  • Emily J. Shumchenia

Given the rapid expansion of offshore wind development in the United States (US), the accurate mapping of benthic habitats, specifically surficial sediments, is essential for mitigating potential impacts on these valuable ecosystems. However, offshor...

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Geosciences - ISSN 2076-3263