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521por Liu, Mingzhao, Huang, Yaopeng, Hoffmann, Lars, Huang, Chunyan, Chen, Pin, Heng, Yi“…Considering a case study of volcanic sulfur dioxide emissions, the codes of the Lagrangian particle dispersion model MPTRAC and an inversion algorithm for emission rate estimation based on sequential importance resampling are deployed on the Tianhe-2 supercomputer. …”
Publicado 2020
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522
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523por Arnés-Urgellés, Camila, Buglass, Salome, Ahyong, Shane T., Salinas-de-León, Pelayo, Wicksten, Mary K., Marsh, Leigh“…Deep-sea habitats cover the largest proportion of Galapagos Marine Reserve (GMR), yet to date, no comprehensive baseline exists on the biodiversity of the benthic fauna associated with volcanic seafloor formations within this region. Closing this knowledge gap is essential to provide information for decision-making for the management of marine resources within the GMR and assessing any potential changes in biodiversity resulting from climate-driven alterations that deep-sea environments are expected to experience. …”
Publicado 2020
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524por Duan, Yajun, Xie, Jun, Su, Yanchun, Liang, Huizhen, Hu, Xiao, Wang, Qizhen, Pan, Zhiping“…The decision tree method can be used to identify complex volcanic rock lithology by dividing lithology sample data layer by layer and establishing a tree structure classification model. …”
Publicado 2020
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525“…We here show that thiophene and thiophene derivatives are also formed abiotically from acetylene and transition metal sulfides such as NiS, CoS and FeS under simulated volcanic, hydrothermal conditions on Early Earth. Exactly the same conditions were reported earlier to have yielded a plethora of organic molecules including fatty acids and other components of extant metabolism. …”
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526por De Pascale, Gregory P., Froude, Melanie, Penna, Ivanna, Hermanns, Reginald L., Sepúlveda, Sergio A., Moncada, Daniel, Persico, Mario, Easton, Gabriel, Villalobos, Angelo, Gutiérrez, Francisco“…We had trouble mapping the LOFZ in one local because of a partially collapsed and previously undiscovered volcanic complex, Volcan Mate Grande (VMG: 1,280 m high and thus Vesuvius-sized) that grew in a caldera also offset along the LOFZ and has distinct geochemistry from adjacent stratovolcanoes. …”
Publicado 2021
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527por Sanz, Jose L., Rodríguez, Nuria, Escudero, Cristina, Carrizo, Daniel, Amils, Ricardo, Gómez, FelipeEnlace del recurso
Publicado 2021
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528
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529por Aubry, Thomas J., Staunton-Sykes, John, Marshall, Lauren R., Haywood, Jim, Abraham, Nathan Luke, Schmidt, Anja“…Explosive volcanic eruptions affect climate, but how climate change affects the stratospheric volcanic sulfate aerosol lifecycle and radiative forcing remains unexplored. …”
Publicado 2021
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530por Taddeucci, J., Peña Fernández, J. J., Cigala, V., Kueppers, U., Scarlato, P., Del Bello, E., Ricci, T., Sesterhenn, J., Panunzi, S.“…By injecting a mixture of gas and pyroclasts into the atmosphere, explosive volcanic eruptions frequently generate vortex rings, which are toroidal vortices formed by the jet's initial momentum. …”
Publicado 2021
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531por Chayka, Ivan F., Kamenetsky, Vadim S., Vladykin, Nikolay V., Kontonikas-Charos, Alkiviadis, Prokopyev, Ilya R., Stepanov, Sergey Yu., Krasheninnikov, Stepan P.Enlace del recurso
Publicado 2021
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532por Adewumi, Adeshina Adewale, Mohd Ariffin, Mohd Azreen, Maslehuddin, Mohammed, Yusuf, Moruf Olalekan, Ismail, Mohammad, Al-Sodani, Khaled A. Alawi“…This present study evaluates the effect of silica modulus (M(s)) and curing temperature on strengths and the microstructures of binary blended alkali-activated volcanic ash and limestone powder mortar. Mortar samples were prepared using mass ratio of combined Na(2)SiO(3(aq))/10 M NaOH((aq)) of 0.5 to 1.5 at an interval of 0.25, corresponding to M(s) of 0.52, 0.72, 0.89, 1.05 and 1.18, respectively, and sole 10 M NaOH((aq)). …”
Publicado 2021
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533“…We here show that pyrrole and dimethyl pyrrole can be formed under the simulated volcanic, hydrothermal conditions of Early Earth, starting from acetylene, propyne, and ammonium salts in the presence of NiS or CoS as catalysts.…”
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534por Bonadonna, Costanza, Frischknecht, Corine, Menoni, Scira, Romerio, Franco, Gregg, Chris E., Rosi, Mauro, Biass, Sebastien, Asgary, Ali, Pistolesi, Marco, Guobadia, Dehrick, Gattuso, Alessandro, Ricciardi, Antonio, Cristiani, Chiara“…As an attempt to capture the multi-dimensional and dynamic nature of volcanic risk, we developed an integrAteD VolcanIc risk asSEssment (ADVISE) model that focuses on two temporal dimensions that authorities have to address in a volcanic context: short-term emergency management and long-term risk management. …”
Publicado 2021
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535por Zhang, Xiulong, Li, Hao, Hu, Xiaoxing, Zheng, Pengyao, Hirota, Mitsuru, Kamijo, Takashi“…Pioneer species differing in their inherent ecological characteristics (e.g., N-fixing ability, photosynthetic pathway) can have a large impact on local ecosystems in the early stages of volcanic succession. However, it remains unclear as to how these pioneer species adapt to the extreme environment of volcanically devastated sites in terms of ecophysiological leaf traits. …”
Publicado 2021
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536por Trach, Yuliia, Melnychuk, Victor, Michel, Magdalena Maria, Reczek, Lidia, Siwiec, Tadeusz, Trach, Roman“…(1) The mineral deposits are the base resources of materials used in building and environmental engineering applications, especially available locally. Two wells of volcanic tuff deposits in the Khmelnytsky region of Ukraine were investigated in this regard. (2) Physical-mechanical, chemical, and mineralogical analyses of the core samples were carried out. (3) The tuff samples were characterized by visible colour, low compressive strength (4.34–11.13 MPa), and high water absorption (30%). …”
Publicado 2021
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537por Shen, Jun, Yin, Runsheng, Zhang, Shuang, Algeo, Thomas J., Bottjer, David J., Yu, Jianxin, Xu, Guozhen, Penman, Donald, Wang, Yongdong, Li, Liqin, Shi, Xiao, Planavsky, Noah J., Feng, Qinglai, Xie, Shucheng“…We interpret these results as reflecting volcanism-induced intensification of continental chemical weathering, which is also supported by negative mass-independent fractionation (MIF) of odd Hg isotopes. …”
Publicado 2022
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539por Senila, Marin, Neag, Emilia, Cadar, Oana, Hoaghia, Maria-Alexandra, Roman, Marius, Moldovan, Ana, Hosu, Alexandru, Lupas, Angela, Kovacs, Emoke Dalma“…In the present work, the capability of the volcanic tuff from Macicasu (Romania) to remove ammonia (NH(3)) from air with different contamination levels during 24 h of adsorption experiments was investigated. …”
Publicado 2022
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540por Miller, Ana Z., Jiménez-Morillo, Nicasio T., Coutinho, Mathilda L., Gazquez, Fernando, Palma, Vera, Sauro, Francesco, Pereira, Manuel F.C., Rull, Fernando, Toulkeridis, Theofilos, Caldeira, Ana T., Forti, Paolo, Calaforra, José M.“…Here, we provide the first morphological, mineralogical, and biogeochemical assessment of speleothems from volcanic caves of the Galapagos to understand their structure, composition, and origin, as well as to identify organic molecules preserved in speleothems. …”
Publicado 2022
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