Sentences with phrase «on reflectivity»

The viewing angles were impressive, too, as there's a new anti-reflective coating that cuts down on reflectivity by 40 percent versus the last iPad Pro.

Black carbon deposited on the Arctic snow and ice, he says, will have only a minimal effect on its reflectivity.

Colgan said it's difficult to make predictions based on the reflectivity record, but it would be significant if 2012 becomes another record melt year.

In this estimate, only 4.2 mm per month of liquid water equivalent are due to the mass added by enhanced precipitation; the vast majority of the effect (72 mm per month of decreased ablation) is due to the effect of precipitation on reflectivity.

Beginning with the 2015 Reflection series, the surface has come to place more emphasis on the reflectivity of brushstrokes and the depth and layering of the surface, further dissolving the profiles of individual objects to leave only an aggregation of outlines.

We have a rough idea of its size from its brightness in optical wavelengths but we have to make an assumption on its reflectivity.

Not exact matches

On specular reflectivity measurements in high and low - contrast relativistic laser - plasma interactions

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The city of Ahmedabad, India, where about 25 percent of the residents live in slum communities, announced a heat action plan in 2017 that includes a cool roofs initiative to paint or otherwise convert at least 500 slum household roofs and to improve the reflectivity of roofs on government buildings and schools.

But just as the noise from other bar patrons can still drown out a conversation even if the music is muted, researchers are unable to control for other things that affect reflectivity, such as widespread snowfall, or the effect an El Niño year might have on cloud formation.

However, even if they could measure those changes, geoengineers still would not be able to know how much of an effect their efforts were having on the Earth's reflectivity, she pointed out.

Research based on these data, and its use in tracking vegetation, cloud height, and reflectivity, among other factors, has only begun to come out.

Modeling studies on geoengineering to reflect sunlight away from the Earth suggest that modifying the planet's reflectivity could slow the meltdown of the Greenland ice sheet in the short term, but not stop it entirely, and could still allow an eventual total meltdown in the next millennia or so.

The first ecological study of an entire glacier has found that microbes drastically reduce surface reflectivity and have a non-negligible impact on the amount of sunlight that is reflected into space.

Yet REDD assesses forests solely on the amount of carbon they trap, largely because measuring changes to evaporation and reflectivity is difficult.

If the IRTF can detect the space rock, it can provide a wealth of detailed data on spectral type, reflectivity and expected composition.

It maps the depths and reflectivity of meltwater on the ice surface and is a one - of - a-kind piece of equipment built for this very specific application.

The study's results suggest the ice sheet hasn't lost as much reflectivity as previously thought, and that black carbon and dust concentrations haven't increased significantly and are thus not responsible for darkening on the upper ice sheet.

Subsequent images, shown here on 13 December at a meeting of the American Geophysical Union, reveal new details of the modest jets and the reflectivity of Borrelly's 8 - kilometer - long nucleus, the asteroid - like body at the center of the comet.

Anyone who accepts that sunlight falling on ice free waters which has less reflectivity than sunlight falling on a large ice mass covering those waters and also accepts that this reduction in albedo has a positive feedback effect, leading to further warming, can't help but opt for A or B, it seems to me.

The combination of temperature dependent micro-Raman and femtosecond reflectivity measurements allows for a complete decoupling of the effects of temperature, geometry, and strain on the acoustic phonon dynamics [2, 3].

Besides showing pretty views, EPIC provides scientists with metrics on climate such as cloud height, ultraviolet reflectivity, or ozone and aerosol levels.

The method is based on X-ray scattering under grazing incident condition by means of specular X-ray reflectivity and off - specular X-ray scattering.

A typical fix to the problem of reflectivity is an anti-reflective coating, but that might not always be the best solution, depending on the application.

As on other tablets with bonded displays — including Barnes & Noble's Nook Tablet, Acer's Iconia Tab A700, Toshiba's Excite 7.7, and Google's Nexus 7 — the process eliminates the pesky air gap that causes greater reflectivity and reduced contrast.

And as on other tablets with bonded displays — including the 7 - inch Kindle Fire HD, the Barnes & Noble Nook HD, the Acer Iconia Tab A700, the Toshiba Excite 7.7, and the Google Nexus 7 — the process eliminates the pesky air gap that causes greater reflectivity and reduced contrast.

This also causes more light to shine on the screen, so there's some reflectivity created at certain angles, but I've found it's easy to avoid by tilting the device slightly one way or the other; this seems to bother some more than others.

Pixel Qi is the single most revolutionary LCD screen technology, adding the benefits of low power, reflectivity, long form and outdoor readability all the while providing a switch on the side of the device to provide full color backlight mode to the screen as well.

Their flea collars are affordable, repel and kill, long - lasting - providing up to 7 months of water - resistant protection, and it comes with perks like reflectivity so your dog can remain visible in the dark, which is super useful if you usually go out on walks at night.

The Lazer Brite items maximize reflectivity for nighttime safety and have fashionable patterns on brightly colored nylon.

Night (1947 - 2015) will focus on mid-career and established sculptors who work with themes raised by Giacometti's vanished artwork — themes such as unreliability, looping, curving, reflectivity, and doubt, all of which provide a counterpoint to Johnson's transparent temple.

In Schneemann's suite of photos, Eye Body: 36 Transformative Actions (1963, also currently on view at MoMA PS1's survey of Schneemann's work, Kinetic Painting), the artist integrates her figure into the clutter of her studio among dramatic assemblages of light and shadow, translucency and reflectivity.

Maisel often subtly reorients the same cast of objects through a series of images, playing with the variable effects of color, form, surface, reflectivity, opacity and translucence on these mise - en - scènes.

At the end of his career, in 2011, McCracken returned to the original plank form, but fabricated in a stainless steel and polished to such a high degree of reflectivity that the works seem translucent and camouflaged, bordering on invisibility as they reflect their surroundings.

sigmaT ^ 4 is the upward blackbody radiation (based on stefan - boltzmann) at the surface, «a» is the albedo (reflectivity), so (1 - a) is the fraction of incident solar radiation that is absorbed by the planet.

This underscores the fact that ablation (via the reflectivity effect) depends on the seasonal distribution of snowfall.

Because a thin layer of snow is just as reflective as a thick layer, the reflectivity effect depends more on the seasonal distribution of snowfall than the annual average amount.

Even assuming that the visible reflectivity of the paint is 100 %, and the infrared emissivity is also 100 %, and ignoring that GHGs would trap some of the emitted IR, the maximum influence would be on the order of 0.14 % (7e11 / 5e14; I hope I did the math and counted the decimal places right) decrease in radiative forcing.

[ANDY REVKIN notes: Keep in mind that surface melting of Greenland snow (and snow on sea ice) also substantially darkens the surface and reduces its reflectivity.]

In the earth and sun system, albedo, the reflectivity of the earth, i.e. the real amount of energy impinging on the surface, is much more important than tiny perturbations in the source of the energy.

When black carbon falls on snow and ice, it reduces reflectivity and speeds up melting.

He calculates that to achieve the desired effect on cloud reflectivity would require treating them with «a cupful» of salt per km2 per hour.

Furthermore, land vegetation has a significant effect on surface reflectivity, heat, moisture, and energy.

Some approaches, like turning biomass into biochar, a charcoal whose carbon resists breakdown, and painting roofs white to increase their reflectivity and reduce air - conditioning demand, are relatively benign, but would have minimal effect on a global scale.

Snow surfaces, on the other hand, have high reflectivity (40 — 80 percent) and so are the poorest absorbers.

The method is based on an empirical relation between UV reflectivity and measured snow depth.

They have to interpret innumerable feedback loops, all the convective forces, the evaporation, the winds, the ocean currents, the changing albedo (reflectivity) of Earth's surface, on and on and on.

Earlier this year he and others pinpointed a change in albedo — a measure of the reflectivity of snow on the island — that suggested that melting might accelerate.

A series of unique experiments organized by FMI were conducted to further study the effects of soot particles on snow reflectivity and snow melt.

The range of model projections for each emissions scenario is the result of the differences in the ways the models represent key factors such as water vapor, ice and snow reflectivity, and clouds, which can either dampen or amplify the initial effect of human influences on temperature.