122,545 research outputs found

    Combined Geophysical Measurements Provide Evidence for Unfrozen Water in Permafrost in the Adventdalen Valley in Svalbard

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    Quantifying the unfrozen water content of permafrost is critical for assessing impacts of surface warming on the reactivation of groundwater flow and release of greenhouse gasses from degrading permafrost. Unfrozen water content was determined along an ~12-km transect in the Adventdalen valley in Svalbard, an area with continuous permafrost, using surface nuclear magnetic resonance and controlled source audio-magnetotelluric data. This combination of measurements allowed for differentiation of saline from fresh pore water, and frozen from unfrozen pore water. Above the limit of Holocene marine transgression, no unfrozen water was detected, associated with high electrical resistivity. Below the marine limit, within several kilometers of the coast, up to ~10% unfrozen water content was detected, associated with low resistivity values indicating saline pore water. These results provide evidence for unfrozen water within continuous, thick permafrost in coastal settings, which has implications for groundwater flow and greenhouse gas release in similar Arctic environments.Peer reviewe

    Erratum: Keating et al. (2017)

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    In the article by Keating, X.D., Zhou, K., Liu, J., Shangguan, R., Fan, Y., and Harrison, L., “Research on Preservice Physical Education Teachers’ and Preservice Elementary Teachers’ Physical Education Identities: A Systematic Review,” in Journal of Teaching in Physical Education, 36, 2, https://doi.org/10.1123/jtpe.2016-0128, the author order was incorrectly listed. The online version of this article has been corrected.</jats:p

    A. V. Lane, C. A. Keating, L. S. Thorne (portraits from book, undated)

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    Image of portraits of A. V. Lane, C. A. Keating, and L. S. Thorne.Title from finding aid. Recto: [imprinted] A. V. Lane. C. A. Keating. L. S. Thorne. News copy not transcribed

    Policy Convergence, Transfer and Learning in the UK under Devolution

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    This paper explores the policy transfer and learning process within the UK since 1999, examining the conditions in which transfer takes place among central and devolved governments. We distinguish among concurrent policies, policy competition, coercive transfer and policy learning. Policy transfer can be more or less coercive and constrained, while policy learning is voluntary. Mechanisms for transfer include financial instruments, political parties, the civil service and policy communities. Transfer can take place from centre to periphery, from periphery to centre and across the periphery. There is also transfer at the European and international levels. As it is England that has tended to break with older policies, notably on public service provision, the pressure has been to follow its lead, with the devolved administrations resisting or conforming. The UK government has paid much less attention to possible learning from the devolved territories and sometimes has sought to insulate England from debates there, especially where politically sensitive matters or large resources are at stake. Learning among the devolved territories is only now really beginning

    Residence of Phillip Keating in Highland Park

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    Photograph of the Keating residence, Highland Park.Date obtained from stamp box. Recto: [imprinted] Residence of Phillip Keating in Highland Park, Dallas, Texas. Verso: [imprinted] L. J. Higginbotham Photo. Adv. Co., Dallas

    Receipt from J. L. Keating & Co.

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    https://digitalcommons.salve.edu/goelet-new-york/1265/thumbnail.jp

    Two-point correlation function for Dirichlet L-functions

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    The two-point correlation function for the zeros of Dirichlet L-functions at a height E on the critical line is calculated heuristically using a generalization of the Hardy-Littlewood conjecture for pairs of primes in arithmetic progression. The result matches the conjectured random-matrix form in the limit as E → ∞ and, importantly, includes finite-E corrections. These finite-E corrections differ from those in the case of the Riemann zeta-function, obtained in Bogomolny and Keating (1996 Phys. Rev. Lett. 77 1472), by certain finite products of primes which divide the modulus of the primitive character used to construct the L-function in question.</p

    Critic of Civilization: Georges Duhamel and His Writings

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    As one of the outstanding minds of France, the career of George Duhamel reflects the universal range of his interests. A physician turned poet, playwright, novelist, publicist, critic, and world traveler, Duhamel for half a century has sought as a liberal humanist to defend the moral and aesthetic values of Western civilization against the encroachment of a dehumanizing machine age. Duhamel first achieved fame as a writer with two eloquent outcries against war in Vie des Martyrs and Civilisation, written while he was a front-line surgeon during World War I. His later plays and novels continued to deal with the search of the individual for identity in contemporary life, especially in the Salavin series and the ten-volume Chronique des Pasquier, his outstanding works of fiction. Among the commentaries on other cultures arising from his travels, Duhamel’s scathing criticism of the United States in Scenes de la vie future aroused particular furor. It is in Duhamel’s feeling for humanity, Mr. Keating believes, that one may discover the consistent pattern in Duhamel’s work, essentially the passionate reaction of a surgeon-artist to the cruelties of a war-torn world. In this critical biography of Duhamel as writer and thinker, Mr. Keating therefore relates all of Duhamel’s many-sided activities to his underlying purpose—to find a path for individual happiness in the complexities of contemporary life. L. Clark Keating is chairman of the Department of Modem Foreign Languages and Literatures in the University of Kentucky.https://uknowledge.uky.edu/upk_french_and_francophone_literature/1004/thumbnail.jp

    MARK KEATING, U GENETIC RESEARCHER, NAMED HOLDER OF L. GEORGE VEASY CHAIR IN PEDIATRIC CARDIOLOGY

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    Mark T. Keating, M.D., professor of internal medicine at the University of Utah School of Medicine, has been named the first holder of the L. George Veasy Presidential Endowed Chair in Pediatric Cardiology. The U scientist also is an associate professor of human genetics and an investigator at the Howard Hughes Medical Institute

    CONJECTURES FOR THE INTEGRAL MOMENTS AND RATIOS OF L–FUNCTIONS OVER FUNCTION FIELDS

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    We extend to the function field setting the heuristic previously developed, by Conrey, Farmer, Keating, Rubinstein and Snaith, for the integral moments and ratios of L-functions defined over number fields. Specifically, we give a heuristic for the moments and ratios of a family of L-functions associated with hyperelliptic curves of genus g over a fixed finite field Fq in the limit as g→ ∞ Like in the number field case, there is a striking resemblance to the corresponding formulae for the characteristic polynomials of random matrices. As an application, we calculate the one-level density for the zeros of these L-functions.</p
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