Výsledky vyhledávání - "J. S. Johnston"

Akademický článek

The 2010 seismovolcanic crisis at Taal Volcano (Philippines)

Autor: Jacques Zlotnicki, Y. Sasai, M. J. S. Johnston, F. Fauquet, E. Villacorte, J. M. Cordon

Publikováno v: Earth, Planets and Space, Vol 70, Iss 1, Pp 1-23 (2018)

Abstract Typical eruptions of Taal Volcano in the Philippines are frequent and violently explosive. The last devastating phreatomagmatic eruption from 1965 to 1977 resulted in the death of about 200 persons. For this and other earlier events, no warn

Externí odkaz: https://doaj.org/article/aeac5e15fc39484d9c02da7bfafb2506

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Genome Size Variation for some forensically Important Sarcophagidae in Egypt

Autor: Elham M. Salama, Aaron M. Tarone, F.F. Abul Dahab, J. S. Johnston, Sh.H.Mahmoud Sh.H.Mahmoud, Ahmed A El-Hefnawy

Publikováno v: Benha Journal of Applied Sciences. 5:1-6

Genome size were estimated for three species of forensically relevant flesh flies (Diptera : Sarcophagidae) collected from three different regions in Egypt. Genome sizes of Wohlfahrtia magnifica ranged from 1040.56 in Edfo to 1229 Mbp in Aswan, the S

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f3b120c35ad6b775ded6d62315c0caac
https://doi.org/10.21608/bjas.2020.134872

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Akademický článek

Drag-out effect of piezomagnetic signals due to a borehole: the Mogi source as an example

Autor: M. Uyeshima, S. Sakanaka, M. Utsugi, T. Hashimoto, R. Mueller, Y. Tanaka, M. J. S. Johnston, Y. Sasai, J. Zlotnicki, P. Yvetot

Publikováno v: Annals of Geophysics, Vol 50, Iss 1 (2007)

We show that using borehole measurements in tectonomagnetic experiments allows enhancement of the observed signals. New magnetic dipoles, which vary with stress changes from mechanical sources, are produced on the walls of the borehole. We evaluate

Externí odkaz: https://doaj.org/article/9e3969f99e2e4042a81210fc80dd1858

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Very-low-frequency resistivity, self-potential and ground temperature surveys on Taal volcano (Philippines): Implications for future activity

Autor: P. Reniva, Paul Alanis, G. Vargemezis, Yoichi Sasai, Jacques Zlotnicki, M. J. S. Johnston

Publikováno v: Journal of Volcanology and Geothermal Research
Journal of Volcanology and Geothermal Research, 2017, 340, pp.180-197. ⟨10.1016/j.jvolgeores.2017.04.020⟩
Journal of Volcanology and Geothermal Research, Elsevier, 2017, 340, pp.180-197. ⟨10.1016/j.jvolgeores.2017.04.020⟩

Taal volcano is one of the most dangerous volcanoes in the Philippines. Thirty-three eruptions have occurred through historical time with several exhibiting cataclysmic phases. Most recent eruptions are confined to Volcano Island located within the p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0567d13b78accac1ca8b45b228d2c695
https://doi.org/10.1016/j.jvolgeores.2017.04.020

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The 2010 seismovolcanic crisis at Taal Volcano (Philippines)

Autor: M. J. S. Johnston, Jacques Zlotnicki, Frederic Fauquet, Egardo Villacorte, Yoichi Sasai, Juan M. Cordon

Publikováno v: Earth Planets and Space
Earth Planets and Space, 2018, 70 (1), ⟨10.1186/s40623-018-0925-2⟩
Earth Planets and Space, Springer/Terra Scientific Publishing Company, 2018, 70 (1), ⟨10.1186/s40623-018-0925-2⟩
Earth, Planets and Space, Vol 70, Iss 1, Pp 1-23 (2018)

Typical eruptions of Taal Volcano in the Philippines are frequent and violently explosive. The last devastating phreatomagmatic eruption from 1965 to 1977 resulted in the death of about 200 persons. For this and other earlier events, no warnings of i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2a3e71eae2c12ba93f05fcd499bcd613
https://hal.uca.fr/hal-02115983/file/s40623-018-0925-2.pdf

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Akademický článek

Optical Sensors: The OSCA Experience

Autor: J S Johnston

Publikováno v: Measurement + Control, Vol 27 (1994)

Externí odkaz: https://doaj.org/article/1235105b186e4adc975b34f8f4fc04f4

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Moment Tensors and Other Source Parameters of Mining‐Induced Earthquakes in TauTona Mine, South Africa

Autor: Malcolm J. S. Johnston, Deborah L. Kane, Margaret S. Boettcher, Arthur F. McGarr, Ze'ev Reches

Publikováno v: Bulletin of the Seismological Society of America. 105:1576-1593

Induced seismicity exhibits diverse source mechanisms that are often difficult to constrain for small events. Here, we use data from the in‐mine seismic network, the Natural Earthquake Laboratory in South African Mines network, and a temporary Prog

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::952886bb955dd1ed090a487b0c816db0
https://doi.org/10.1785/0120140300

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Eruptions at Lone Star geyser, Yellowstone National Park, USA: 2. Constraints on subsurface dynamics

Autor: Leif Karlstrom, Jonathan M.G. Glen, Darcy K. McPhee, Robert A. Sohn, Shaul Hurwitz, Malcolm J. S. Johnston, S. Adam Soule, Jean Vandemeulebrouck, Michael Manga, Maxwell L. Rudolph, Fred Murphy

Publikováno v: Journal of Geophysical Research: Solid Earth. 119:8688-8707

We use seismic, tilt, lidar, thermal, and gravity data from 32 consecutive eruption cycles of Lone Star geyser in Yellowstone National Park to identify key subsurface processes throughout the geyser's eruption cycle. Previously, we described measurem

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c5979843c553fefdcc494a0b048f736d
https://doi.org/10.1002/2014jb011526

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Comparison of the Stress-Stimulated Current of Dry and Fluid-Saturated Gabbro Samples

Autor: Vern C. Vanderbilt, Rebecca N. Nakaba, Malcolm J. S. Johnston, Robert P. Dahlgren

Publikováno v: Bulletin of the Seismological Society of America. 104:2662-2672

We investigate charge generation as a function of stress in fine‐grained gabbro for both nominally dry samples and samples fully saturated with electrically conductive brine fluids similar to those observed in active earthquake fault zones. These e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::798d41e80f701be0e29dd1a84bbab3f6
https://doi.org/10.1785/0120140144

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Parthenogenesis in a whitetip reef sharkTriaenodon obesusinvolves a reduction in ploidy

Autor: John R. Gold, Christopher M. Hollenbeck, J. S. Johnston, David S. Portnoy, H. M. Casman

Publikováno v: Journal of Fish Biology. 85:502-508

Genetic analysis of a female whitetip reef shark Triaenodon obesus and her stillborn pup, assumed to be of parthenogenetic origin, revealed that the pup was homozygous at all 24 nuclear-encoded microsatellites assayed, consistent with the idea that d

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a3c97c8791e4ceb44015ed8b746ecf67
https://doi.org/10.1111/jfb.12415

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