Search Results - "Keys, H."

Waves in the lower solar atmosphere: the dawn of next-generation solar telescopes by Jess, David B., Jafarzadeh, Shahin, Keys, Peter H., Stangalini, Marco, Verth, Gary, Grant, Samuel D. T.

“…Waves and oscillations have been observed in the Sun’s atmosphere for over half a century. While such phenomena have readily been observed across the entire…”
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Debris flow evolution and the activation of an explosive hydrothermal system; Te Maari, Tongariro, New Zealand by Procter, J.N., Cronin, S.J., Zernack, A.V., Lube, G., Stewart, R.B., Nemeth, K., Keys, H.

“…Analysis of the pre- and post-eruption topography, together with observations of the avalanche deposition sequence, yields a triggering mechanism for the 6…”
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Photospheric Observations of Surface and Body Modes in Solar Magnetic Pores by Keys, Peter H., Morton, Richard J., Jess, David B., Verth, Gary, Grant, Samuel D. T., Mathioudakis, Mihalis, Mackay, Duncan H., Doyle, John G., Christian, Damian J., Keenan, Francis P., Erdélyi, Robertus

“…Over the past number of years, great strides have been made in identifying the various low-order magnetohydrodynamic wave modes observable in a number of…”
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THE INFLUENCE OF THE MAGNETIC FIELD ON RUNNING PENUMBRAL WAVES IN THE SOLAR CHROMOSPHERE by Jess, D B, Reznikova, V E, VAN DOORSSELAERE, T, Keys, P H, MacKay, D H

“…We use images of high spatial and temporal resolution, obtained using both ground- and space-based instrumentation, to investigate the role magnetic field…”
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Large scale coherent magnetohydrodynamic oscillations in a sunspot by Stangalini, M., Verth, G., Fedun, V., Aldhafeeri, A. A., Jess, D. B., Jafarzadeh, S., Keys, P. H., Fleck, B., Terradas, J., Murabito, M., Ermolli, I., Soler, R., Giorgi, F., MacBride, C. D.

“…Although theoretically predicted, the simultaneous excitation of several resonant modes in sunspots has not been observed. Like any harmonic oscillator, a…”
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WAVE DAMPING OBSERVED IN UPWARDLY PROPAGATING SAUSAGE-MODE OSCILLATIONS CONTAINED WITHIN A MAGNETIC PORE by Grant, S. D. T., Jess, D. B., Moreels, M. G., Morton, R. J., Christian, D. J., Giagkiozis, I., Verth, G., Fedun, V., Keys, P. H., Doorsselaere, T. Van, Erdélyi, R.

“…ABSTRACT We present observational evidence of compressible MHD wave modes propagating from the solar photosphere through to the base of the transition region…”
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Observations of Locally Excited Waves in the Low Solar Atmosphere Using the Daniel K. Inouye Solar Telescope by Bahauddin, Shah Mohammad, Fischer, Catherine E., Rast, Mark P., Milic, Ivan, Woeger, Friedrich, Rempel, Matthias, Keys, Peter H., Rimmele, Thomas R.

“…We present an interpretation of the recent Daniel K. Inouye Solar Telescope (DKIST) observations of propagating wave fronts in the lower solar atmosphere…”
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Propagating Spectropolarimetric Disturbances in a Large Sunspot by Stangalini, M., Jafarzadeh, S., Ermolli, I., Erdélyi, R., Jess, D. B., Keys, P. H., Giorgi, F., Murabito, M., Berrilli, F., Moro, D. Del

“…We present results derived from the analysis of spectropolarimetric measurements of active region AR12546, which represents one of the largest sunspots to have…”
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Unveiling the True Nature of Plasma Dynamics from the Reference Frame of a Superpenumbral Fibril by Bate, W., Jess, D. B., Grant, S. D. T., Hillier, A., Skirvin, S. J., Van Doorsselaere, T., Jafarzadeh, S., Wiegelmann, T., Duckenfield, T., Beck, C., Moore, T., Stangalini, M., Keys, P. H., Christian, D. J.

“…The magnetic geometry of the solar atmosphere, combined with projection effects, makes it difficult to accurately map the propagation of ubiquitous waves in…”
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Statistical Signatures of Nanoflare Activity. I. Monte Carlo Simulations and Parameter-space Exploration by Jess, D. B., Dillon, C. J., Kirk, M. S., Reale, F., Mathioudakis, M., Grant, S. D. T., Christian, D. J., Keys, P. H., Krishna Prasad, S., Houston, S. J.

“…Small-scale magnetic reconnection processes in the form of nanoflares have become increasingly hypothesized as important mechanisms for the heating of the…”
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High-resolution wave dynamics in the lower solar atmosphere by Jess, D B, Keys, P H, Stangalini, M, Jafarzadeh, S

“…The magnetic and convective nature of the Sun's photosphere provides a unique platform from which generated waves can be modelled, observed and interpreted…”
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High-frequency oscillations in small chromospheric bright features observed with Atacama Large Millimetre/Submillimetre Array by Guevara Gómez, J C, Jafarzadeh, S, Wedemeyer, S, Szydlarski, M, Stangalini, M, Fleck, B, Keys, P H

“…We report detection of oscillations in brightness temperature, size and horizontal velocity of three small bright features in the chromosphere of a…”
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DKIST Unveils the Serpentine Topology of Quiet Sun Magnetism in the Photosphere by Campbell, Ryan J., Keys, P. H., Mathioudakis, M., Wöger, F., Schad, T., Tritschler, A., de Wijn, A. G., Smitha, H. N., Beck, C., Christian, D. J., Jess, D. B., Erdélyi, R.

“…We present the first quiet Sun spectropolarimetric observations obtained with the Visible SpectroPolarimeter at the 4 m Daniel K. Inouye Solar Telescope. We…”
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Overview of the co-ordinated risk-based approach to science and management response and recovery for the 2012 eruptions of Tongariro volcano, New Zealand by Jolly, G.E., Keys, H.J.R., Procter, J.N., Deligne, N.I.

“…Tongariro volcano, New Zealand, lies wholly within the Tongariro National Park (TNP), one of New Zealand's major tourist destinations. Two small eruptions of…”
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Active seismic sources as a proxy for seismic surface processes: An example from the 2012 Tongariro volcanic eruptions, New Zealand by Jolly, A.D., Lokmer, I., Kennedy, B., Keys, H.J.R., Proctor, J., Lyons, J.J., Jolly, G.E.

“…The 6 August 2012 eruption from Tongariro volcano's Te Maari vent comprised a complex sequence of events including at least 4 eruption pulses, a large chasm…”
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Cisplatin, Radiation, and Adjuvant Hysterectomy Compared with Radiation and Adjuvant Hysterectomy for Bulky Stage IB Cervical Carcinoma by Keys, Henry M, Bundy, Brian N, Stehman, Frederick B, Muderspach, Laila I, Chafe, Weldon E, Suggs, Charles L, Walker, Joan L, Gersell, Deborah

“…The American Joint Committee on Cancer 1 and the International Federation of Gynecology and Obstetrics define stage IB cervical cancer as invasive cancer that…”
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Material Modeling in Semiconductor Process Applications by A. Voinov, Boris, H. Keys, Patrick, M. Cea, Stephen, P. Kaushik, Ananth, A. Stettler, Mark

“…During the past decade, significant progress has been achieved in the application of material modeling to aid technology development in semiconductor…”
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Lahar hazard assessment using Titan2D for an alluvial fan with rapidly changing geomorphology: Whangaehu River, Mt. Ruapehu by Procter, J.N., Cronin, S.J., Fuller, I.C., Sheridan, M., Neall, V.E., Keys, H.

“…Rapid changes in small areas at the apex of alluvial fans may have devastating consequences by directing downstream flood or lahar impacts into catchments of…”
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Alfvén wave dissipation in the solar chromosphere by Grant, Samuel D. T., Jess, David B., Zaqarashvili, Teimuraz V., Beck, Christian, Socas-Navarro, Hector, Aschwanden, Markus J., Keys, Peter H., Christian, Damian J., Houston, Scott J., Hewitt, Rebecca L.

“…Magnetohydrodynamic Alfvén waves 1 have been a focus of laboratory plasma physics 2 and astrophysics 3 for over half a century. Their unique nature makes them…”
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On the effect of oscillatory phenomena on Stokes inversion results by Keys, P H, Steiner, O, Vigeesh, G

“…Stokes inversion codes are crucial in returning properties of the solar atmosphere, such as temperature and magnetic field strength. However, the success of…”
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