Search Results - "Köhn, J."

A newly digitized ice-penetrating radar data set acquired over the Greenland ice sheet in 1971–1979 by Karlsson, Nanna B, Schroeder, Dustin M, Sørensen, Louise Sandberg, Chu, Winnie, Dall, Jørgen, Andersen, Natalia H, Dobson, Reese, Mackie, Emma J, Köhn, Simon J, Steinmetz, Jillian E, Tarzona, Angelo S, Teisberg, Thomas O, Skou, Niels

“…We present an ice-penetrating radar data set acquired over the Greenland ice sheet by aircraft during the years 1971, 1972, 1974, 1978, and 1979. The data set…”
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Himalayan Metamorphism and Its Tectonic Implications by Kohn, Matthew J

“…The Himalayan range exposes a spectacular assemblage of metamorphic rocks from the mid- and deep crust that have fostered numerous models of how the crust…”
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Carbon isotope compositions of terrestrial C3 plants as indicators of (paleo)ecology and (paleo)climate by Kohn, Matthew J., Thiemens, Mark H.

“…A broad compilation of modern carbon isotope compositions in all C3 plant types shows a monotonic increase in δ¹³C with decreasing mean annual precipitation…”
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“Thermoba-Raman-try”: Calibration of spectroscopic barometers and thermometers for mineral inclusions by Kohn, Matthew J.

“…Mineral inclusions may develop residual pressures (Pincl) during cooling and exhumation because of differential expansion and compression relative to the host…”
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The global range of subduction zone thermal structures from exhumed blueschists and eclogites: Rocks are hotter than models by Penniston-Dorland, Sarah C., Kohn, Matthew J., Manning, Craig E.

“…The maximum-pressure PT conditions (Pmax–T) and prograde PT paths of exhumed subduction-related metamorphic rocks are compared to predictions of PT conditions…”
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Image movement of the Elekta EPID during gantry rotation: Effects on the verification of dose distributions by Köhn, J, Licher, J, Mielke, M, Loutfi-Krauss, B, Blümer, N, Heine, B, Rödel, C, Scherf, C, Ramm, U

“…Highlights • Major effects on geometrical and dosimetric characteristics of EPID were quantified. • Angles of nodding higher at discrete gantry angles compared…”
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Effect of dose reduction on image registration and image quality for cone-beam CT in radiotherapy by Loutfi-Krauss, B., Köhn, J., Blümer, N., Freundl, K., Koch, T., Kara, E., Scherf, C., Rödel, C., Ramm, U., Licher, J.

“…Introduction The additional radiation exposure applied to patients undergoing cone-beam computed tomography (CBCT) for image registration in radiation therapy…”
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Stable isotopes of water reveal differences in plant – soil water relationships across northern environments by Tetzlaff, Doerthe, Buttle, James, Carey, Sean K., Kohn, Matthew J., Laudon, Hjalmar, McNamara, James P., Smith, Aaron, Sprenger, Matthias, Soulsby, Chris

“…We compared stable isotopes of water in plant stem (xylem) water and soil collected over a complete growing season from five well‐known long‐term study sites…”
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Timescales of Partial Melting and Melt Crystallization in the Eastern Himalayan Orogen: Insights From Zircon Petrochronology by Huixia Ding, Zeming Zhang, Matthew J. Kohn, Zhengbin Gou

“…Abstract Revealing the timescales of metamorphic and anatectic processes is central to our understanding of tectonic evolution of collisional orogens…”
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An evaluation of the ecohydrological separation hypothesis in a semiarid catchment by McCutcheon, Ryan J., McNamara, James P., Kohn, Matthew J., Evans, Samantha L.

“…The ecohydrological separation hypothesis states that transpiration through plants and drainage to streams and groundwater are sourced from separate soil water…”
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Trace element diffusivities in bone rule out simple diffusive uptake during fossilization but explain in vivo uptake and release by Kohn, Matthew J., Moses, Randolph J.

“…Diffusion rates of numerous trace elements in bone at 20 °C were determined using laser-ablation inductively coupled plasma mass spectrometry analysis of…”
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Decoupling the spread of grasslands from the evolution of grazer-type herbivores in South America by Strömberg, Caroline A.E., Dunn, Regan E., Madden, Richard H., Kohn, Matthew J., Carlini, Alfredo A.

“…The evolution of high-crowned cheek teeth (hypsodonty) in herbivorous mammals during the late Cenozoic is classically regarded as an adaptive response to the…”
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The Miocene: The Future of the Past by Steinthorsdottir, M., Coxall, H. K., de Boer, A. M., Huber, M., Barbolini, N., Bradshaw, C. D., Burls, N. J., Feakins, S. J., Gasson, E., Henderiks, J., Holbourn, A. E., Kiel, S., Kohn, M. J., Knorr, G., Kürschner, W. M., Lear, C. H., Liebrand, D., Lunt, D. J., Mörs, T., Pearson, P. N., Pound, M. J., Stoll, H., Strömberg, C. A. E.

“…The Miocene epoch (23.03–5.33 Ma) was a time interval of global warmth, relative to today. Continental configurations and mountain topography transitioned…”
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Molecular phylogeny and evolution of the cone snails (Gastropoda, Conoidea) by Puillandre, N., Bouchet, P., Duda, T.F., Kauferstein, S., Kohn, A.J., Olivera, B.M., Watkins, M., Meyer, C.

“…[Display omitted] •A molecular phylogeny of the cone snails is proposed.•The phylogeny is based on 320 species and three genes.•Four major highly divergent…”
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Conus Envenomation of Humans: In Fact and Fiction by Kohn, Alan J

“…Prominent hallmarks of the widely distributed, mainly tropical marine snail genus are: (1) its unusually high species diversity; it is the largest genus of…”
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Transcription factor TEAD4 specifies the trophectoderm lineage at the beginning of mammalian development by Yagi, Rieko, Kohn, Matthew J, Karavanova, Irina, Kaneko, Kotaro J, Vullhorst, Detlef, DePamphilis, Melvin L, Buonanno, Andres

“…Specification of cell lineages in mammals begins shortly after fertilization with formation of a blastocyst consisting of trophectoderm, which contributes…”
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Backarc Lithospheric Thickness and Serpentine Stability Control Slab‐Mantle Coupling Depths in Subduction Zones by Buchanan C. Kerswell, Matthew J. Kohn, Taras V. Gerya

“…Abstract A key feature of subduction zone geodynamics and thermal structure is the point at which the slab and mantle mechanically couple. This point defines…”
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Cumulative Effect of an Antimicrobial Stewardship and Rapid Diagnostic Testing Bundle on Early Streamlining of Antimicrobial Therapy in Gram-Negative Bloodstream Infections by Bookstaver, P B, Nimmich, E B, Smith, 3rd, T J, Justo, J A, Kohn, J, Hammer, K L, Troficanto, C, Albrecht, H A, Al-Hasan, M N

“…The use of rapid diagnostic tests (RDTs) enhances antimicrobial stewardship program (ASP) interventions in optimization of antimicrobial therapy. This…”
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Co-evolution of xylem water and soil water stable isotopic composition in a northern mixed forest biome by Snelgrove, Jenna R, Buttle, James M, Kohn, Matthew J, Tetzlaff, Dörthe

“…Plant–soil water isotopic dynamics in northern forests have been understudied relative to other forest types; nevertheless, such information can provide…”
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Feasibility study of patient positioning verification in electron beam radiotherapy with an electronic portal imaging device (EPID) by Ramm, U, Köhn, J, Rodriguez Dominguez, R, Licher, J, Koch, N, Kara, E, Scherf, C, Rödel, C, Weiß, C

“…Abstract The purpose of this study is to demonstrate the feasibility of verification and documentation in electron beam radiotherapy using the photon…”
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