Search Results - "Obrist, D"

Mercury in Active‐Layer Tundra Soils of Alaska: Concentrations, Pools, Origins, and Spatial Distribution by Olson, C., Jiskra, M., Biester, H., Chow, J., Obrist, D.

“…Tundra soils serve as major sources of mercury (Hg) input to the Arctic Ocean via river runoff and coastal erosion; yet little information is available on…”
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In vitro investigations of red blood cell phase separation in a complex microchannel network by Mantegazza, A., Clavica, F., Obrist, D.

“…Microvascular networks feature a complex topology with multiple bifurcating vessels. Nonuniform partitioning (phase separation) of red blood cells (RBCs)…”
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Measurement of airway pressure during high‐flow nasal therapy in apnoeic oxygenation: a randomised controlled crossover trial by Riva, T., Meyer, J., Theiler, L., Obrist, D., Bütikofer, L., Greif, R., Nabecker, S.

“…Summary It is recognised that high‐flow nasal therapy can prevent desaturation during airway management. Studies in spontaneously breathing patients show an…”
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Fate of mercury in tree litter during decomposition by Pokharel, A. K., Obrist, D.

“…We performed a controlled laboratory litter incubation study to assess changes in dry mass, carbon (C) mass and concentration, mercury (Hg) mass and…”
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Use of a global model to understand speciated atmospheric mercury observations at five high-elevation sites by Weiss-Penzias, P, Amos, H. M, Selin, N. E, Gustin, M. S, Jaffe, D. A, Obrist, D, Sheu, G.-R, Giang, A

“…Atmospheric mercury (Hg) measurements using the Tekran® analytical system from five high-elevation sites (1400–3200 m elevation), one in Asia and four in the…”
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Mercury concentrations and pools in four Sierra Nevada forest sites, and relationships to organic carbon and nitrogen by Obrist, D., Johnson, D. W., Lindberg, S. E.

“…This study presents data on mercury (Hg) concentrations, stochiometric relations to carbon (C) and nitrogen (N), and Hg pool sizes in four Sierra Nevada forest…”
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Transverse flow under oscillating stimulation in helical square ducts with cochlea-like geometrical curvature and torsion by Harte, N.C., Obrist, D., Caversaccio, M., Lajoinie, G.P.R., Wimmer, W.

“…The cochlea, situated within the inner ear, is a spiral-shaped, liquid-filled organ responsible for hearing. The physiological significance of its shape…”
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Mercury Distribution Across 14 U.S. Forests. Part I: Spatial Patterns of Concentrations in Biomass, Litter, and Soils by Obrist, D, Johnson, D. W, Lindberg, S. E, Luo, Y, Hararuk, O, Bracho, R, Battles, J. J, Dail, D. B, Edmonds, R. L, Monson, R. K, Ollinger, S. V, Pallardy, S. G, Pregitzer, K. S, Todd, D. E

“…Results from a systematic investigation of mercury (Hg) concentrations across 14 forest sites in the United States show highest concentrations in litter…”
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Modelling the sensitivity of soil mercury storage to climate-induced changes in soil carbon pools by Hararuk, O, Obrist, D, Luo, Y

“…Substantial amounts of mercury (Hg) in the terrestrial environment reside in soils and are associated with soil organic carbon (C) pools, where they…”
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High levels of reactive gaseous mercury observed at a high elevation research laboratory in the Rocky Mountains by Faïn, X., Obrist, D., Hallar, A. G., Mccubbin, I., Rahn, T.

“…The chemical cycling and spatiotemporal distribution of mercury in the troposphere is poorly understood. We measured gaseous elemental mercury (GEM), reactive…”
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Quantitative analysis of benign paroxysmal positional vertigo fatigue under canalithiasis conditions by Boselli, F, Kleiser, L, Bockisch, C.J, Hegemann, S.C.A, Obrist, D

“…Abstract In our daily life, small flows in the semicircular canals (SCCs) of the inner ear displace a sensory structure called the cupula which mediates the…”
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High-order accurate solution of the incompressible Navier–Stokes equations on massively parallel computers by Henniger, R., Obrist, D., Kleiser, L.

“…The emergence of “petascale” supercomputers requires us to develop today’s simulation codes for (incompressible) flows by codes which are using numerical…”
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Atmosphere-terrestrial exchange of gaseous elemental mercury: parameterization improvement through direct comparison with measured ecosystem fluxes by Khan, T R, Obrist, D, Agnan, Y, Selin, N E, Perlinger, J A

“…To simulate global mercury (Hg) dynamics in chemical transport models (CTMs), surface-atmosphere exchange of gaseous elemental mercury, Hg0, is often…”
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Hemodynamic Characterization of Peripheral Arterio-venous Malformations by Frey, Sabrina, Haine, A., Kammer, R., von Tengg-Kobligk, H., Obrist, D., Baumgartner, I.

“…Peripheral arterio-venous malformations (pAVMs) are congenital vascular anomalies that require treatment, due to their severe clinical consequences. The…”
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Toward real-time measurement of atmospheric mercury concentrations using cavity ring-down spectroscopy by Faïn, X., Moosmüller, H., Obrist, D.

“…Cavity ring-down spectroscopy (CRDS) is a direct absorption technique that utilizes path lengths up to multiple kilometers in a compact absorption cell and has…”
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A multilayer method of fundamental solutions for Stokes flow problems by Boselli, F., Obrist, D., Kleiser, L.

“…The method of fundamental solutions (MFS) is a meshless method for the solution of boundary value problems and has recently been proposed as a simple and…”
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Nutrient and mercury deposition and storage in an alpine snowpack of the Sierra Nevada, USA by Pearson, C, Schumer, R, Trustman, B. D, Rittger, K, Johnson, D. W, Obrist, D

“…Biweekly snowpack core samples were collected at seven sites along two elevation gradients in the Tahoe Basin during two consecutive snow years to evaluate…”
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Mercury dynamics in the Rocky Mountain, Colorado, snowpack by Faïn, X, Helmig, D, Hueber, J, Obrist, D, Williams, M. W

“…Gaseous elemental mercury (GEM) was monitored at the Niwot Ridge (NWT) Long-Term Ecological Research (LTER) site (Colorado, USA, 40° N) from interstitial air…”
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Treatment of Traumatic Brain Injury with Moderate Hypothermia by Marion, Donald W, Penrod, Louis E, Kelsey, Sheryl F, Obrist, Walter D, Kochanek, Patrick M, Palmer, Alan M, Wisniewski, Stephen R, DeKosky, Steven T

“…The therapeutic use of hypothermia in a patient with traumatic brain injury was first reported in 1943. 1 However, since neither this report nor several…”
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Measurement-based modelling of bromine-induced oxidation of mercury above the Dead Sea by Tas, E, Obrist, D, Peleg, M, Matveev, V, Faïn, X, Asaf, D, Luria, M

“…Atmospheric mercury depletion events (AMDEs) outside the polar region – driven by high levels of gaseous Br and BrO (i.e., BrOx) – were observed recently in…”
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