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Showing 20 of 3,890 academic articles

Rock Magnetism and Magnetic Fabric Study of the Icelandite and Rhyodacite Long Volcanic Sequence at Mauna Kuwale, Wai’anae Volcano, Oahu, Hawaii, USA

Emilio Herrero-Bervera, Mario Moreira • Geosciences (2023)

In order to understand further the emplacement (i.e., volcanic growth) of 22 Icelandite and 3 Rhyodacite cooling units in one of the long volcanic sequences known as Mauna Kuwale of the Wai’anae volcano (ca. 3.3 Ma), Oahu Hawaii we have con...

DOAJ Open Access (DOAJ) DOI: 10.3390/geosciences13040114

Rapakivi K‐Feldspar Megacrysts in Monzogranitic Porphyry: Evidence for Magma Recharge and Mush Rejuvenation

Wang Li, Xuxuan Ma, Roberto Weinberg, Liang Qiu et al. • Geochemistry, Geophysics, Geosystems (2025)

Abstract The formation, storage, and evolution of granitic magmas are fundamental processes driving the growth of continental crust. While traditionally attributed to crystal fractionation in high‐melt fraction magma chambers, the model inv...

DOAJ Open Access (DOAJ) DOI: 10.1029/2025GC012435

Report on the second academic forum on earthquake hazard chain, 12 November 2022, Beijing, China

Xiangli He, Yuandong Huang, Zhaoning Chen, Lei Li et al. • Natural Hazards Research (2023)

The second academic forum of the Committee on the Earthquake Hazard Chain, Seismological Society of China was held on 12 November 2022 in Beijing, China. The theme of this forum was theoretical research, technical application and populariza...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.nhres.2023.03.001

Magnetic Field Dipolarization and Its Associated Ion Flux Variations in the Dawnside Deep Inner Magnetosphere: Arase Observations

M. Nosé, A. Matsuoka, S. Kasahara, S. Yokota et al. • Geophysical Research Letters (2018)

Abstract The Arase satellite observed clear dipolarization signatures at r~4.3–4.6 RE, GMLAT~16°–18°, and MLT~5.5–5.7 hr around 15:00 UT on 27 March 2017 when Dst~−70 nT. Strong magnetic field fluctuations were embedded and their characteri...

DOAJ Open Access (DOAJ) DOI: 10.1029/2018GL078825

Internal Variability Reshapes Externally Forced Trends in Marine Cold‐Air Outbreak Frequency Over the Northern Hemisphere

Huanhuan Ran, Hainan Gong, Yulan Li, Kangjie Ma et al. • Geophysical Research Letters (2026)

Abstract Marine cold‐air outbreaks (MCAOs) are key conduits of polar‐to‐midlatitude air‐mass exchange, strongly modulating wintertime air–sea heat fluxes, storm‐track activity, and the development of extreme cold conditions over adjacent co...

DOAJ Open Access (DOAJ) DOI: 10.1029/2026GL124914

Geochemical balance of the mineral fraction and statistical analyzes of the Ebolowa municipal lake’s sediments (central Africa): Implication for early diagenesis process

Akono Daniel Florent, Bokanda Ekoko Eric, Bisse Salomon Bertrant, Belinga Belinga Cedric et al. • Heliyon (2023)

The Ebolowa Municipal Lake (EML) (South Cameroon) in order to identify the early diagenesis processes taking place in the lake and the factors influencing them. To this end, 21 samples were collected. In situ, hydrogen potential, redox pote...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.heliyon.2023.e17617

O arcabouço estrutural da Bacia Sedimentar do Araripe, Província Borborema, baseado em dados aeromagnetométricos

Clyvihk Renna Camacho, Frederico Ricardo Ferreira Rodrigues de Oliveira e Sousa • Geologia USP. Série Científica (2017)

Este trabalho apresenta uma interpretação atualizada da estruturação interna da Bacia Sedimentar do Araripe, localizada ao sul da porção setentrional da Província Borborema, por meio do processamento e da análise de dados aerogeofísicos de ...

DOAJ Open Access (DOAJ) DOI: 10.11606/issn.2316-9095.v17-393

Changes in the Association between GDP and Night-Time Lights during the COVID-19 Pandemic: A Subnational-Level Analysis for the US

Taohan Lin, Nataliya Rybnikova • Geomatics (2023)

Night-time light (NTL) data have been widely used as a remote proxy for the economic performance of regions. The use of these data is more advantageous than the traditional census approach is due to its timeliness, low cost, and comparabili...

DOAJ Open Access (DOAJ) DOI: 10.3390/geomatics3010008

Air distribution to reduce nitrogen oxide emissions in the furnace of a boiler with tangential combustion scheme

Andrey V. Gil, Kirill I. Maltsev, Nikita V. Abramov, Stanislav A. Puzyrev et al. • Известия Томского политехнического университета: Инжиниринг георесурсов (2024)

Relevance. Determined by the importance of analyzing the combustion characteristics and factors affecting the emission of nitrogen oxides (NOx) in the furnace chamber of pulverized coal-fired power boiler unit when installing tertiary air n...

DOAJ Open Access (DOAJ) DOI: 10.18799/24131830/2024/12/4883

The emission factor of volatile isoprenoids: stress, acclimation, and developmental responses

Ü. Niinemets, A. Arneth, U. Kuhn, R. K. Monson et al. • Biogeosciences (2010)

The rate of constitutive isoprenoid emissions from plants is driven by plant emission capacity under specified environmental conditions (<i>E</i><sub>S</sub>, the emission factor) and by responsiveness of the emissio...

DOAJ Open Access (DOAJ) DOI: 10.5194/bg-7-2203-2010

Structural Properties of Syngenetic Ice-Rich Permafrost, as Revealed by Archaeological Investigation of the Yana Site Complex (Arctic East Siberia, Russia): Implications for Quaternary Science

Vladimir V. Pitulko, Elena Y. Pavlova • Frontiers in Earth Science (2022)

Ice-rich syncryogenic (termed “Ice Complex”) deposits are common in northern East Siberia and constitute the most important feature of the Quaternary geology of the region. The Ice Complex formed throughout the Late Pleistocene and not only...

DOAJ Open Access (DOAJ) DOI: 10.3389/feart.2021.744775

Metallogenic potential and prospecting of orogenic gold deposits in the Shuihouling area of the Dabie Orogenic Belt: A geochemical evidence from stream sediment anomalies

Xiandong Luo, Lei Chen, Jinlai Tang, Xiaoyong Yang • Solid Earth Sciences (2026)

The Shuihouling ductile shear zone, located in the core of the Dabie Orogenic Belt spanning Anhui and Hubei provinces, is a key structural unit with notable mineral potential. Situated within the Wudang-Tongbai-Dabie Mo-REE-Au-Ag-Pb-Zn poly...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.sesci.2025.100278

Sources of Contaminants of Emerging Concern in Groundwater of Barcelona Urban Area

D. Schmidlin, L. Scheiber, M. Teixidó, E. Vázquez et al. • Advances in Geosciences (2023)

Groundwater is a vital resource for the development of urban areas, where the problem focuses on the quantity and on the quality of this freshwater resource. Barcelona is a good example as because currently groundwater is used for irrigatio...

DOAJ Open Access (DOAJ) DOI: 10.5194/adgeo-59-59-2023

Mineralogy, geochemistry and fluid inclusion studies of Dagh-Dali Zn-Pb(±Au) Deposit, Northern Takab, Northwest Iran

Yousef Rahimsouri, Behzad Mehrabi, Shirin Alipour • پترولوژی (2018)

Dagh-Dali Zn-Pb deposit is located 40 km north of Takab city and it consist of Bekhair-Bolaghi and Baldirghani ore zones. Mineralization in Bekhair-Bolaghi is consist of galena, sphalerite, pyrite and chalcopyrite with disseminated texture ...

DOAJ Open Access (DOAJ) DOI: 10.22108/ijp.2019.114335.1110

Nature of Paleozoic Basement of the Catalan Coastal Ranges (Spain) and Tectonic Setting of the Priorat DOQ Wine Terroir: Evidence from Volcanic and Sedimentary Rocks

Pavel Kepezhinskas, Nikolai Berdnikov, Nikita Kepezhinskas, Natalia Konovalova et al. • Geosciences (2023)

The Paleozoic volcano-sedimentary rocks within the structural basement of the horst-and-graben system of the Catalan Coastal Ranges (CCR) are composed of black shale, volcaniclastic sediments, lava flows, sills and lithocrystalloclastic tuf...

DOAJ Open Access (DOAJ) DOI: 10.3390/geosciences13020031

TOURIST SATISFACTION DURING THE PANDEMIC: AN ANALYSIS OF THE EFFECTS OF MEASURES TO PREVENT COVID-19 IN A MEDITERRANEAN COASTAL DESTINATION

Indrajeet MALLICK, Daniel MIRAVET, Aaron GUTIÉRREZ • Geo Journal of Tourism and Geosites (2022)

The impact of the COVID-19 on tourist satisfaction is a particular relevant issue, due to the role that elements such as the prevention measures implemented at the destination might play. For this reason, this article examines tourist satis...

DOAJ Open Access (DOAJ) DOI: 10.30892/gtg.454spl20-991

Les géomembranes

S. LAMBERT • Sciences, Eaux & Territoires (1997)

Depuis les premières applications dans les années soixante, l'utilisation des géomembranes s'est progressivement étendue à la protection de l'environnement. Ces produits d'apparence simple sont encore assez mal connus par certains utilisate...

DOAJ Open Access (DOAJ)

Effects of match period and playing position on the individual and collective dynamics in professional soccer: a case study

Gibson Moreira Praça, André Gustavo Pereira de Andrade, Sarah da Glória Teles Bredt, Pedro Emilio Drumond Moreira et al. • Revista Brasileira de Cineantropometria e Desempenho Humano (2020)

This study aimed to compare the width, the length, the length per width ratio, and the stretch index between the first and the second halves in official soccer matches, and to compare the spatial exploration index between players from diffe...

DOAJ Open Access (DOAJ)