Search Results - "Williams, W M"

The Spatial and Temporal Variability of Meltwater Flow Paths: Insights From a Grid of Over 100 Snow Lysimeters by Webb, R. W., Williams, M. W., Erickson, T. A.

“…Snowmelt is an important part of the hydrologic cycle and ecosystem dynamics for headwater systems. However, the physical process of water flow through snow is…”
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Spatial patterns in glacier characteristics and area changes from 1962 to 2006 in the Kanchenjunga–Sikkim area, eastern Himalaya by Racoviteanu, A. E, Arnaud, Y, Williams, M. W, Manley, W. F

“…This study investigates spatial patterns in glacier characteristics and area changes at decadal scales in the eastern Himalaya – Nepal (Arun and Tamor basins),…”
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Convergent approaches to determine an ecosystem's transpiration fraction by Berkelhammer, M., Noone, D. C., Wong, T. E., Burns, S. P., Knowles, J. F., Kaushik, A., Blanken, P. D., Williams, M. W.

“…The transpiration (T) fraction of total terrestrial evapotranspiration (ET), T/ET, can vary across ecosystems between 20–95% with a global average of ∼60%. The…”
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Atmospheric deposition as a source of carbon and nutrients to an alpine catchment of the Colorado Rocky Mountains by Mladenov, N, Williams, M. W, Schmidt, S. K, Cawley, K

“…Many alpine areas are experiencing deglaciation, biogeochemical changes driven by temperature rise, and changes in atmospheric deposition. There is mounting…”
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Gravitationally lensed quasars in Gaia – IV. 150 new lenses, quasar pairs, and projected quasars by Lemon, C, Anguita, T, Auger-Williams, M W, Courbin, F, Galan, A, McMahon, R, Neira, F, Oguri, M, Schechter, P, Shajib, A, Treu, T, Agnello, A, Spiniello, C

“…ABSTRACT We report the spectroscopic follow-up of 175 lensed quasar candidates selected using Gaia Data Release 2 observations following Paper III of this…”
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Dynamics of nitrogen oxides and ozone above and within a mixed hardwood forest in northern Michigan by Seok, B, Helmig, D, Ganzeveld, L, Williams, M. W, Vogel, C. S

“…The dynamic behavior of nitrogen oxides (NOx = NO + NO2) and ozone (O3) above and within the canopy at the University of Michigan Biological Station AmeriFlux…”
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4xTrifolium ambiguum and 2xT. occidentale hybridise despite wide geographic separation and polyploidisation: implications for clover breeding by Williams, W. M., Verry, I. M., Ansari, H. A., Hussain, S. W., Ullah, I., Ellison, N. W.

“…Key message The widely divergent species 4 x Trifolium ambiguum and 2 x T. occidentale are inter-fertile long after speciation (including polyploidisation) has…”
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Human Picobirnaviruses Identified by Molecular Screening of Diarrhea Samples by van Leeuwen, Marije, Williams, Marisol M.W, Koraka, Penelope, Simon, James H, Smits, Saskia L, Osterhaus, Albert D.M.E

“…The global threat of (re)emerging infectious viruses requires a more effective approach regarding virus surveillance and diagnostic assays, as current…”
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Phylogeography of microbial phototrophs in the dry valleys of the high Himalayas and Antarctica by Schmidt, S. K., Lynch, R. C., King, A. J., Karki, D., Robeson, M. S., Nagy, L., Williams, M. W., Mitter, M. S., Freeman, K. R.

“…High-elevation valleys in dry areas of the Himalayas are among the most extreme, yet least explored environments on Earth. These barren, rocky valleys are…”
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Biological and physical influences on the carbon isotope content of CO₂ in a subalpine forest snowpack, Niwot Ridge, Colorado by Bowling, D. R, Massman, W. J, Schaeffer, S. M, Burns, S. P, Monson, R. K, Williams, M. W

“…Considerable research has recently been devoted to understanding biogeochemical processes under winter snow cover, leading to enhanced appreciation of the…”
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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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Geochemistry and source waters of rock glacier outflow, Colorado Front Range by Williams, M. W., Knauf, M., Caine, N., Liu, F., Verplanck, P. L.

“…We characterize the seasonal variation in the geochemical and isotopic content of the outflow of the Green Lake 5 rock glacier (RG5), located in the Green…”
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Methionine Sulfoxide Reductase (MsrA) is a Regulator of Antioxidant Defense and Lifespan in Mammals by Moskovitz, Jackob, Bar-Noy, Shoshana, Williams, Wesley M., Requena, Jesus, Berlett, Barbara S., Stadtman, Earl R.

“…Oxidation of proteins by reactive oxygen species is associated with aging, oxidative stress, and many diseases. Although free and protein-bound methionine…”
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Inorganic nitrogen and microbial biomass dynamics before and during spring snowmelt by Brooks, P.D, Williams, M.W, Schmidt, S.K

“…Recent work in seasonally snow covered ecosystems has identified thawed soil and high levels of heterotrophic activity throughout the winter under consistent…”
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Snowpack controls on nitrogen cycling and export in seasonally snow-covered catchments by Brooks, Paul D., Williams, Mark W.

“…Here we provide an overview of current research activities on nitrogen (N) cycling in high‐elevation catchments of the Colorado Front Range. We then use this…”
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Monocytes contribute to the atherosclerotic cap by transformation into fibrocytes by Medbury, H J, Tarran, S L S, Guiffre, A K, Williams, M M Y, Lam, T H, Vicaretti, M, Fletcher, J P

“…The stability of an atherosclerotic plaque is a key-determining factor in the clinical outcome of cardiovascular disease. In this respect, smooth muscle (SM)…”
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Effect of hybridisation with Trifolium uniflorum on tap root survival in white clover by Nichols, SN, Hofmann, RW, Williams, WM

“…A field study was conducted to determine whether tap root survival of white clover could be improved by hybridisation with Trifolium uniflorum . Tap root…”
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Hybridization and Introgression between Two Diploid Wild Relatives of White Clover, Trifolium nigrescens Viv. and T. occidentale Coombe by Williams, W. M., Ansari, H. A., Hussain, S. W., Ellison, N. W., Williamson, M. L., Verry, I. M.

“…Trifolium nigrescens Viv. and T. occidentale Coombe are diploid (2n = 2x = 16) clover species with contrasting habits and geographic distributions. Trifolium…”
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4x Trifolium ambiguum and 2x T. occidentale hybridise despite wide geographic separation and polyploidisation: implications for clover breeding by Williams, W M, Verry, I M, Ansari, H A, Hussain, S W, Ullah, I, Ellison, N W

“…Key messageThe widely divergent species 4xTrifolium ambiguum and 2xT.occidentale are inter-fertile long after speciation (including polyploidisation) has…”
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Evidence for an age-related attenuation of cerebral microvascular antioxidant response to oxidative stress by Williams, W.M., Chung, Y.W.

“…Effects of aging and oxidative stress were studied in cerebral microvessels and microvessel-depleted brain from 6-, 18-, and 24-month-old C57Bl/6J mice exposed…”
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