Sentences with phrase «tracers of»

Feng X, Gustafsson Ö, Holmes RM, Vonk JE, van Dongen BE, Semiletov IP, Dudarev OV, Yunker MB, Macdonald RW, Wacker L, Montluçon DB, Eglinton TI (2015) Multimolecular tracers of terrestrial carbon transfer across the pan-Arctic: 14C characteristics of sedimentary carbon components and their environmental controls.
Current flow south of the Polar Frontal Zone is dominated by the eastward - flowing ACC, and maps of potential vorticity and evidence from ocean tracers of the high southern latitudes give rise to the possibility of larva - mediated dispersal and faunal similarities among the disjunct South East Pacific Rise, Chile Rise, ESR, and southernmost Mid-Atlantic Ridge [7], [59].
http://www.atmos-chem-phys.net/16/3525/2016/ Kristiansen, N. I., Stohl, A., Olivié, D. J. L., Croft, B., Søvde, O. A., Klein, H., Christoudias, T., Kunkel, D., Leadbetter, S. J., Lee, Y. H., Zhang, K., Tsigaridis, K., Bergman, T., Evangeliou, N., Wang, H., Ma, P. - L., Easter, R. C., Rasch, P. J., Liu, X., Pitari, G., Di Genova, G., Zhao, S. Y., Balkanski, Y., Bauer, S. E., Faluvegi, G. S., Kokkola, H., Martin, R. V., Pierce, J. R., Schulz, M., Shindell, D., Tost, H., and Zhang, H.: Evaluation of observed and modelled aerosol lifetimes using radioactive tracers of opportunity and an ensemble of 19 global models, Atmos.
Therefore, the processes of accumulation and ablation are the physical link between glaciers and climate, which explains why these ice bodies are such valuable tracers of climate variability on the scale of decades and centuries.
We supplemented these data with measurements of conservative tracers of water sources as well as proxies of biological processes.
This study makes the first direct comparison between the optical emission line and the ultraviolet and infrared tracers of star formation and indicates that, despite the underlying uncertainties, astronomers can trust the nebular emission lines as robust indicators of the star - formation rate and the amount of light that is obscured by dust in distant galaxies.
a 3D map of the tracers of solar activity (sunspots, filaments, plages, coronal holes, corona, prominences), updated daily large - scale datasets of sunspots (1918 — present), plages (from 1907), filaments and prominences (1919 — present) and variety of solar activity indices you can see solar activity from different vantage points, select objects to be displayed and download the data.
Although these two lines have not yet been observed in a brown dwarf disk in the sub-mm, they are useful tracers of warm surface - layer gas and disk ionization.
These observations are also excellent tracers of the gas distribution around these objects.
Because the galaxies we use as tracers of the Hubble expansion will disappear.
«It turns out that the contribution of star - forming galaxies as tracers of the mass distribution in the distant universe is not negligible,» said Dr. Utsumi.
Weak lensing is a phenomenon that provides a powerful technique for mapping the changing contribution of star - forming galaxies as tracers of the cosmic web.
Deeper redshift surveys combined with similar weak lensing maps should reveal an even greater contribution of star - forming galaxies as tracers of the matter distribution in this higher redshift range.
I scramble up a roof - highsnowdrift beside the wilderness cabin and find the northern lights performing agaudy fire dance on the rim of space — tracers of gold, red, green, blue.
In adopting this mode of ministry, the preacher becomes Heidegger's «tracer of fugitive gods.»
Low background atmospheric concentrations, together with well - known and often distinct isotopic characteristics (variants of lead with different atomic weights) of industrial sources make lead an ideal tracer of industrial pollution.
First witnessed in Jupiter's clouds as rare flashes of scattered light by Voyager 1 in its 1979 flyby and observed decades later by the Galileo orbiter, Jupiter's lightning is thought to be an indirect tracer of the planet's water content.
Iron can fuel plankton blooms and influence how the ocean responds to climate change, while the lead images show the impact of past pollution on the ocean and continuing contamination in some parts of the world and aluminium is used as a tracer of desert dust inputs to the ocean.
«The best tracer of water is water itself.
«Using oxygen as a tracer of galactic evolution.»
The water in the Moon is a tracer of the processes that operated in the hot, partly silicate gas, partly magma disk surrounding Earth after that impact.
This aurora (left), seen from the space shuttle, is a visible tracer of the otherwise invisible currents that pulse above Earth's poles.
The prevalences and isotope ratios of the noble, or inert, gases, such as neon, argon, krypton and xenon, provide a valuable tracer of ancient processes, because they are chemically nonreactive and so do not change much over time.
Carbon monoxide is a tracer of molecular gas, which is the fuel for star formation.
The research team used Hubble's Wide Field Camera 3 to search for faint, star - forming galaxies in ultraviolet light, a reliable tracer of star birth.
It is another tracer of a meteorite's home.
It is a good tracer of both a meteorite's age and birthplace.
They observed L1551 NE in the emission from dust at a 0.9 - mm wavelength, a tracer of distribution of interstellar materials, and carbon monoxide molecular emission, which can be used to study gas motion with the Doppler Effect.
«Therefore, sodium atoms become a tracer of other elements that might be more abundant, but less easy to see.»
Unthinkably, he was allowed to slip back into effective anonymity (his best role of the past decade was a «Seinfeld» appearance as a Javert - like tracer of unreturned library books).
«My art becomes an explorer, a tracer of forgotten tribes, a seeker of sanctified visions,» explains Saar.
I - 129 does have significant value as a tracer of movement of fission products through the environment and the biosphere, since any of it you find was created in the last 60 years and the quantity is essentially unchanged in that time.
Sulfur hexafluoride (SF6) is nearly inert in the troposphere and stratosphere and has documented, steady increase in the troposphere due to industrial sources, making it a useful tracer of atmospheric circulation.
[2] The ITCZ is effectively a tracer of the ascending branch of the Hadley cell and is wet.
Organisms there consume that stuff, some producing CO2, some producing CH4, some consuming the CH4 — but that's new carbon, with its ample tracer of atomic bomb Carbon - 14.
We also include a passive tracer of transport within the troposphere as defined in the HTAP project.
Koch, D., and D. Rind, 1998: Beryllium 10 / beryllium 7 as a tracer of stratospheric transport.

Not exact matches

At the Challenge Festival, startups like as BaseTrace, which «uses DNA - based tracers to track where industrial fluids are going in large, complex environments» and Reliefwatch, a cloud - based system that uses smartphone technology to track inventory and diseases for healthcare organizations in the developing world, battled it out on stage for a grand prize of $ 150,000 in investment.
Like a tracer chemical in the blood stream that helps identify the disease, the Enneagram brings to the surface indicators of what might be motivating sinful or harmful actions and patterns.
The extreme view that a person is «just a collection of atoms» is less persuasive in the light of tracer studies showing that the atoms in our bodies are replaced every few years; 6 the self that continues must be constituted by the relationships and patterns among atoms, rather than by the atoms in themselves.
Last night I watched the fire zones, the bombing plumes, the tracer rounds: blooms of war on the TV news.
The link between depression and the immune system has been shown using positron emission tomography using a tracer for the translocator protein (TSPO) showing increased immune activation in the brains of patients with major depressive disorder compared with control subjects.
I wonder what the Hill Billes positions on gun control will be when this cult buys 200 AK - 47's and 100,000 rounds of tracer ammo?
Countering Counterfeit Wine An invisible «tracer» mixed with paint, plastics or ink and applied to wine bottle closures, corks or labels is the latest high - technology product developed to counter the growing trend of counterfeit wine...
Because of the 7 - d delay in the administration of the Golden Rice dose, the AUCs were calculated for 21 d after each labeled tracer.
The screen will be peppered with stats and graphics, showing trajectory of the ball flight with tracer technology, listing TrackMan data during shots, and other stats for the week running down the side and bottom of the frame.
The good news is that we will shortly have both hitting shots in front of the cameras and with tracers and lasers measuring every yard.
What makes the coverage unique, however, is the graphics and data that pepper the viewer, including the popular TrackMan info, tracer technology on live shots, and a constant flow of the stats that are becoming more and more valuable to the game.
The amount and form of radioactivity in human milk after lung scanning, renography and placental localization by 131 I labelled tracers.
Carbon - 13, one tracer used to probe a variety of geochemical processes, is typically formed when high - energy cosmic rays enter the atmosphere and strike the most abundant form of nitrogen there — nitrogen - 14 atoms.
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