Geosciences  

Daria Ryabchuk, Alexander Sergeev, Alexander Krek, Maria Kapustina, Elena Tkacheva, Vladimir Zhamoida, Leonid Budanov, Alexandr Moskovtsev and Aleksandr Danchenkov

In 2017, a detailed study of the Eastern Gulf of Finland (the Baltic Sea) seafloor was performed to identify and map submerged glacial and postglacial geomorphologic features and collect data pertinent to the understanding of sedimentation in postglacial ... see more

Tommaso Caloiero

A natural temporary imbalance of water availability, consisting of persistent lower-than-average or higher-than-average precipitation, can cause extreme dry and wet conditions that adversely impact agricultural yields, water resources, infrastructure, and... see more

Mirlan Daiyrov, Chiyuki Narama, Tsutomu Yamanokuchi, Takeo Tadono, Andreas Kääb and Jinro Ukita

To assess the current state of glacial lakes, we examine the seasonal lake-area changes of 339 glacial lakes in the Teskey and Kungoy Ranges of the Issyk-Kul Basin, Kyrgyzstan, during 2013–2016 based on optical satellite images (Landsat7/ETM+ and 8/OLI). ... see more

Ronaldo Gabriel, Helena Moreira, Ana Alencoão, Aurélio Faria, Elizabeth Silva and Artur Sá

During the 38th General Conference of UNESCO, the Member States ratified the creation of the International Geoscience and Geoparks Programme (IGGP) expressing governmental recognition of the importance of managing outstanding geological sites and landscap... see more

Maria Carmela Dichicco, Salvatore Laurita, Rosa Sinisi, Raimondo Battiloro and Giovanna Rizzo

Worldwide studies have been done about the toxicity and carcinogenicity of asbestos minerals occurring in ophiolitic rocks. Inhalation of asbestos due to environmental exposure could cause malignant mesothelioma and lung cancers. In particular, the ophiol... see more

Maria Dergacheva, Olga Nekrasova, Leonid Rikhvanov and Dmitry Zdanovich

This article analyzes the lanthanum, cerium, samarium, europium, terbium, ytterbium, lutetium, uranium, and thorium content in humic acids within soil and paleosol surface horizons from the southern steppe in the Southern Urals. Research demonstrates simi... see more

Konstantinos G. Nikolakopoulos, Paraskevi Lampropoulou, Dimitrios Papoulis, Aikaterini Rogkala, Panagiota P. Giannakopoulou and Petros Petrounias

This study presents the combined use of field mapping, remote sensing data analysis, mineralogy, spectroscopy and GIS techniques for the geological mapping of Antiparos Island. Antiparos is part of the Cyclades Blueschist Belt located in central Aegean, w... see more

Marina M. S. Cabral Pinto, Maria M. V. G. Silva, Ana M. R. Neiva, Fernanda Guimarães and Paulo B. Silva

In this work, in order to study the release, migration, sorption, and (re)precipitation of uranium (U) during alteration under oxidizing conditions, we carried out a systematic study using scanning electron microscopy, X-ray maps, and electron microprobe ... see more

Shaun Walbridge, Noah Slocum, Marjean Pobuda and Dawn J. Wright

High resolution remotely sensed bathymetric data is rapidly increasing in volume, but analyzing this data requires a mastery of a complex toolchain of disparate software, including computing derived measurements of the environment. Bathymetric gradients p... see more

Sergei Borsch, Andrei Khristoforov, Vladimir Krovotyntsev, Ekaterina Leontieva, Yuri Simonov and Victoria Zatyagalova

This paper presents the basin approach to the design, development, and operation of a hydrological forecasting and early warning system in a large transboundary river basin of high flood potential, where accurate, reliable, and timely available daily wate... see more

Ronald W. Klusman

Monitoring of potential gas seepage for CO2 sequestration and CO2-EOR (Enhanced Oil Recovery) in geologic storage will involve geophysical and geochemical measurements of parameters at depth and at, or near the surface. The appropriate methods for MVA (Mo... see more

Silvia N. Bourguignon, Alex C. Bastos, Valéria S. Quaresma, Fernanda V. Vieira, Hudson Pinheiro, Gilberto Menezes Amado-Filho, Rodrigo Leão De Moura and João Batista Teixeira

Shelf morphology and sedimentary regimes are influenced by processes operating at different temporal and spatial scales and are important records of sea level changes and sediment supply and/or carbonate production. The northern continental shelf of Espír... see more

Yekaterina Y. Kontar, John C. Eichelberger, Tuyara N. Gavrilyeva, Viktoria V. Filippova, Antonina N. Savvinova, Nikita I. Tananaev and Sarah F. Trainor

Every spring, riverine communities throughout the Arctic face flood risk. As the river ice begins to thaw and break up, ice jams—accumulation of chunks and sheets of ice in the river channel, force melt water and ice floes to back up for dozens of kilomet... see more

Maria Dolores Fidelibus, Ilenia Argentiero, Filomena Canora, Roberta Pellicani, Giuseppe Spilotro and Gaetano Vacca

Studies dating almost a century relate clay properties with the structure of the diffuse double layer (DDL), where the charged surfaces of clay crystal behave like an electric capacitor, whose dielectric is the interstitial fluid. The intensity of the inn... see more

Axel Volkwein, Lucas Brügger, Fabio Gees, Werner Gerber, Barbara Krummenacher, Peter Kummer, Jessica Lardon and Tobias Sutter

Numerical simulations of rockfall trajectories are a standard procedure for evaluating rockfall hazards. For these simulations, corresponding software codes must be calibrated and evaluated based on field data. This study addresses methods of repeatable r... see more

Sebastiano Imposa, Giuseppe Lombardo, Francesco Panzera and Sabrina Grassi

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Ingrid Luffman, Arpita Nandi and Benjamin Luffman

Gully erosion is a global problem that degrades land and reduces its utility for agriculture, development, and water quality. Quantification of sediment yield and control of sediment sources is essential for environmental protection. Five methods to evalu... see more

George E. Mustoe

The best-known and most-studied petrified wood specimens are those that are mineralized with polymorphs of silica: opal-A, opal-C, chalcedony, and quartz. Less familiar are fossil woods preserved with non-silica minerals. This report reviews discoveries o... see more

Hsin-Fu Yeh and Jhe-Wei Lee

This study used stable hydrogen and oxygen isotopes as natural tracers to investigate their isotopic composition in precipitation, and in shallow and deep groundwater in the Penghu Islands in the Taiwan Strait. We aimed to understand the differences and r... see more

Felix Weber, Leopold Meier, Johann Distl and Christian Braun

The design of curved surface sliders (CSS) based on the elastic response spectrum method with site-specific seismic input is commonly made by trial and error, whereby the design does not necessarily minimize structural acceleration. This paper therefore d... see more

Yosef Ashkenazy and Elad Shilo

Sand dunes cover substantial parts of desert areas. Fully active dunes are bare, while fixed dunes are stabilized by vegetation and biogenic crust, and the dune activity is affected by the wind. Here we suggest the following atmosphere-sand dune feedback:... see more

Yared Bayissa, Shreedhar Maskey, Tsegaye Tadesse, Schalk Jan Van Andel, Semu Moges, Ann Van Griensven and Dimitri Solomatine

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Fernando Marques

Mass movements of different types and sizes are the main processes of sea cliff evolution, being a considerable natural hazard, the assessment of which is a relevant issue in terms of human loss prevention and land use regulations. To predict the occurren... see more

Mohammad Afifi Ishak, Md. Aminul Islam, Mohamed Ragab Shalaand Nurul Hasan

This study was carried out in the Pliocene interval of the southern North Sea F3 Block in the Netherlands. This research paper demonstrates how an integrated interpretation of geological information using seismic attributes, sequence stratigraphic interpr... see more