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The Movement of Aquatic Mercury Through Terrestrial Food Webs
Mercury has contaminated rivers worldwide, with health consequences for aquatic organisms and humans who consume them. Researchers have focused on aquatic birds as sentinels for mercury. However,… Expand
How the news media activate public expression and influence national agendas
Measuring the impact of the media The active participation of the people is one of the central components of a functioning democracy. King et al. performed a real-world randomized experiment in the… Expand
Female-biased offspring sex ratios in birds at a mercury- contaminated river
Mercury is a ubiquitous environmental pollutant that can negatively impact physiology and behavior of vertebrates, causing sub-lethal changes in condition and reducing fitness. Here we examine its… Expand
Plumage Coloration in Belted Kingfishers (Megaceryle alcyon) At a Mercury-contaminated River
Abstract. Because Belted Kingfishers (Megaceryle alcyon) eat a diet comprised primarily of fish they are a useful indicator species for aquatic contaminants such as mercury. Monitoring efforts… Expand
Mercury Poisoning in a Free-Living Northern River Otter (Lontra canadensis)
- J. Sleeman, D. Cristol, A. White, D. Evers, R. Gerhold, M. Keel
- Biology, Medicine
- Journal of wildlife diseases
- 1 July 2010
A moribund 5-year-old female northern river otter (Lontra canadensis) was found on the bank of a river known to be extensively contaminated with mercury. It exhibited severe ataxia and scleral… Expand
Observation of edge instability limiting the pedestal growth in tokamak plasmas.
- A. Diallo, J. Hughes, +16 authors Alcator C-Mod Team
- Medicine, Physics
- Physical review letters
- 17 March 2014
With fusion device performance hinging on the edge pedestal pressure, it is imperative to experimentally understand the physical mechanism dictating the pedestal characteristics and to validate and… Expand
Explaining Cold-Pulse Dynamics in Tokamak Plasmas Using Local Turbulent Transport Models.
- P. Rodríguez-Fernández, A. White, +11 authors F. Sciortino
- Physics, Medicine
- Physical review letters
- 16 February 2018
A long-standing enigma in plasma transport has been resolved by modeling of cold-pulse experiments conducted on the Alcator C-Mod tokamak. Controlled edge cooling of fusion plasmas triggers core… Expand
Measurement of electron temperature fluctuations using a tunable correlation electron cyclotron emission system on Alcator C-Mod.
A tunable correlation electron cyclotron (CECE) system was recently installed on the Alcator C-Mod tokamak to provide local, quantitative measurement of electron temperature fluctuations in the… Expand
Measurement of turbulent electron temperature fluctuations on the ASDEX Upgrade tokamak using correlated electron cyclotron emission.
- S. Freethy, G. Conway, +5 authors A. White
- Materials Science, Physics
- The Review of scientific instruments
- 31 October 2016
Turbulent temperature fluctuations are measured on the ASDEX Upgrade tokamak using pairs of closely spaced, narrow-band heterodyne radiometer channels and a standard correlation technique. The… Expand
Observation of a critical gradient threshold for electron temperature fluctuations in the DIII-D Tokamak.
A critical gradient threshold has been observed for the first time in a systematic, controlled experiment for a locally measured turbulent quantity in the core of a confined high-temperature plasma.… Expand