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Academic Articles & Research Papers
Showing 20 of 3,783 academic articles
K. Unnikrishnan • Nonlinear Processes in Geophysics
(2010)
In the present study, the latitudinal aspect of chaotic behaviour of ionosphere during quiet and storm periods are analyzed and compared by using GPS TEC time series measured at equatorial trough, crest and outside crest stations over India...
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Open Access (DOAJ)
DOI: 10.5194/npg-17-765-2010
G. Lacorata, A. Vulpiani • Nonlinear Processes in Geophysics
(2007)
We show how a general formulation of the Fluctuation-Response Relation is able to describe in detail the connection between response properties to external perturbations and spontaneous fluctuations in systems with fast and slow variables. ...
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Open Access (DOAJ)
Stefano Fratini, Fabrizio Maria Francesconi, Roberto Checcucci, Francesco Frondini et al. • Acque Sotterranee
(2013)
In December 2009 and the first months of 2010, a large water crisis took place in the Orvieto area, because of sudden high concentration of aluminum (Al) in the groundwater of the vulsino aquifer. This represents a supply for Orvieto’s popu...
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Open Access (DOAJ)
DOI: 10.7343/as-048-13-0075
N. Wever, L. Schmid, A. Heilig, O. Eisen et al. • The Cryosphere
(2015)
The widely used detailed SNOWPACK model has undergone constant development
over the years. A notable recent extension is the introduction of a Richards
equation (RE) solver as an alternative for the bucket-type approach for
describing water...
DOAJ
Open Access (DOAJ)
DOI: 10.5194/tc-9-2271-2015
G. J. van Oldenborgh, S. Philip, S. Kew, M. van Weele et al. • Natural Hazards and Earth System Sciences
(2018)
On 19 May 2016 the afternoon temperature reached 51.0 °C in Phalodi
in the northwest of India – a new record for the highest observed maximum
temperature in India. The previous year, a widely reported very lethal
heat wave occurred...
DOAJ
Open Access (DOAJ)
DOI: 10.5194/nhess-18-365-2018
W. Furian, T. Sauter • Natural Hazards and Earth System Sciences
(2025)
This study investigates simulated glacial lake outburst floods (GLOFs) at five glacial lakes in the Everest region of Nepal using the three-dimensional model OpenFOAM. It presents the evolution of GLOF characteristics in the 21st century co...
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Open Access (DOAJ)
DOI: 10.5194/nhess-25-3779-2025
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
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...
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Open Access (DOAJ)
DOI: 10.18799/24131830/2024/12/4883
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...
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Open Access (DOAJ)
DOI: 10.5194/bg-7-2203-2010
KONG Yu-xia , SHENG Fei-fan , WANG Hui-juan • Yantu gongcheng xuebao
(2018)
It is observed that randomly distributed polypropylene fibers act to interlock particles and thus improve the mechanical behavior of the reinforced soils. The polypropylene fiber inclusion clearly increases the shear strength of soils, and ...
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Open Access (DOAJ)
DOI: 10.11779/CJGE201812012
Vladislav Brkić, Ivan Zelenika, Petar Mijić, Igor Medved • Energies
(2021)
The storage of natural gas in geological structures such as depleted fields, aquifers and salt caverns plays an important role in a gas supply system as it balances the fluctuation of gas demand and price. Hydraulic loss due to fluid flow t...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/en14144324
Scott Jess, Heike Gröger, Bart Hendriks, Alexander Peace et al. • Lithosphere
(2024)
The northeast (NE) Atlantic is one of the best-studied geological regions in the world, incorporating a wide array of geological phenomena including extensional tectonism, passive margin development, orogenesis, and breakup-related volcanis...
DOAJ
Open Access (DOAJ)
DOI: 10.2113/2023/lithosphere_2023_285
Junjie Wu, Gesine Mollenhauer, Ruediger Stein, Peter Köhler et al. • Nature Communications
(2022)
Abstract The changes in atmospheric pCO2 provide evidence for the release of large amounts of ancient carbon during the last deglaciation. However, the sources and mechanisms that contributed to this process remain unresolved. Here, we pres...
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Open Access (DOAJ)
DOI: 10.1038/s41467-022-34725-4
Carlos González-León • Revista Mexicana de Ciencias Geológicas
(2019)
En la región de Lampazos, ubicada en la parte centrooriental de Sonora, aflora una columna de sedimentos del Cretácico Inferior (Aptiano-Albiano medio) con un espesor de 2,500 m. Para su estudio, la secuencia fue dividida en siete formacion...
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HONG Zequn 1, SHI Rongjian 1, YUE Fengtian 1, HAN Lei 2 • Yantu gongcheng xuebao
(2023)
The temperature field is the basis for assessing the mechanical state and water-sealing performance of the frozen wall, which is an important research direction of the artificial freezing theory. For the freezing pipes in the form of a clos...
DOAJ
Open Access (DOAJ)
DOI: 10.11779/CJGE20220700
Renato Pereira, José Muralha, Luís Lamas • Geotecnia
(2026)
Este artigo explora a aplicação de métodos probabilísticos na análise da fiabilidade e no dimensionamento do reforço de taludes rochosos sujeitos a mecanismos de rotura planar. O estudo incide no caso de um maciço rochoso intersetado por um...
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Open Access (DOAJ)
DOI: 10.14195/2184-8394_166_1
FENG Zhong-ju, WANG Si-qi, WANG Xi-qing, WANG Ze-guo et al. • Rock and Soil Mechanics
(2023)
High-fill culverts placed in valley topography have a complex earth pressure distribution law due to their locations around culverts in various valley topography conditions. In order to investigate the influence of valley topography on the ...
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Open Access (DOAJ)
DOI: 10.16285/j.rsm.2022.5297
Misra Ravindra Kumar, Porwal Rajesh Kumar • E3S Web of Conferences
(2020)
Metal Inert Gas welding is a fast, reliable and cost effective technique for joining of different ferrous materials and steels used in the construction of large structures like Fe410WA, IS2062, SS304, AISI1040 and AISI316 etc. To obtain bet...
DOAJ
Open Access (DOAJ)
DOI: 10.1051/e3sconf/202018401028
Wei-Guo Qiao, Pershin Vladimir, Jun-Ling Qin, Shuai Zhang • E3S Web of Conferences
(2021)
Uniaxial compressive stress-strain curves of several groups of basalt fiber crumb rubber mortars (BF-CRM) with different contents are tested. By comparing with the GZH model, the improved values of the parameters of the BF-CRM constitutive ...
DOAJ
Open Access (DOAJ)
DOI: 10.1051/e3sconf/202130301023
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...
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Open Access (DOAJ)
DOI: 10.30892/gtg.454spl20-991