Sentences with phrase «uv radiation»

For example, UV radiation is all absorbed in the stratosphere, such that notable stratospheric changes arise with changes to the non-thermal radiation emitted by the sun.

UV radiation increases in areas where the ozone layer has thinned.

52 • Immune system suppression Natural Capital Degradation Effects of Ozone Depletion Human Health • Worse sunburn • More eye cataracts • More skin cancers • Immune system suppression Food and Forests • Reduced yields for some crops • Reduced seafood supplies from reduced phytoplankton • Decreased forest productivity for UV - sensitive tree species Wildlife • Increased eye cataracts in some species • Decreased population of aquatic species sensitive to UV radiation • Reduced population of surface phytoplankton • Disrupted aquatic food webs from reduced phytoplankton Figure 20.21 Natural capital degradation: expected effects of decreased levels of ozone in the stratosphere.

Cosmic ray intensity is inversely related to solar intensity — in which UV radiation is a prominent variable.

[161] The most mature Sun ‐ climate mechanism at this time involves the direct effect of the observed variation in solar UV radiation affecting stratospheric ozone, leading to associated temperature variations.

UV radiation A free oxygen atom pulls the oxygen atom off the chlorine monoxide molecule to form O2.

Do these gases reflect / refract IR or UV radiation?

It blocks incoming UV radiation and protects the Earth's surface.

Just as cleaning up air pollution may actually add up to 1 degree of warming, it may also increase the risk of skin cancers and blindness from UV radiation.

During this type of spraying, the UV radiation readings are actually going up, not down (we measure them ourselves).

Pythoplankton has developed a cloud forming mechanism to protect itself from direct UV radiation, hence it has to be a factor worth considering.

There's a pretty solid link between UV radiation and cancer, and given the ozone layer's role in blocking UV, it was the beginnings of a real problem.

The WOUDC UV radiation data is in the UV - A and UV - B regions (290 to 400 nm) of the E-M spectrum.

«Global geoengineering is completely disrupting the hydrological cycle, destroying the ozone layer (which is exposing all life on Earth to extreme UV radiation), and contaminating the entire surface of the planet with highly toxic bioavailable heavy metals and chemicals.

Key words: Sun: activity / sunspots / Sun: UV radiation / Sun: faculae, plages / Sun: magnetic fields / Sun: photosphere

Most UV radiation is absorbed above the tropopause, and the UV component of sunlight will varies in greater proportion with changing TSI.

Much of it is in the lower part of the stratosphere, where it absorbs UV radiation from the Sun which can damage DNA in plants, animals and humans if it reaches the Earth's surface.

«The decreases in ozone are less than we saw at the poles before the Montreal Protocol was enacted, but UV radiation is more intense in these regions and more people live there.»

More specifically, the scientists have successfully been able to solve the problem of dye - sensitized solar cells (DSSC), namely that the dyes used to create energy in these cells would eventually be destroyed by UV radiation.

Though my no means always true, this is apparent often enough to support speculation that «unusual things are happening» across large areas... UV radiation and a host of other environmental factors may all exert their influence on tree growth.

Finally I attempt a suggestion that perhaps one solution to the problem that the solar impact on climate is underestimated by models might be because EBM and GCM, like GISS, do not contain CO2 and CH4 cycle mechanisms that might be partially effected by the Sun, and other mechanisms are missing or uncertain (water vapor, cloud cover, vegetation, bacteria respiration, UV radiation, cosmic ray effects etc.).

In the atmosphere, a portion of the nitrogen winds up as nitrous oxide — laughing gas — which is not only a greenhouse gas that is 300 times more potent that carbon dioxide, but also destroys ozone, the gas that keeps us from getting more of a dose of UV radiation.

I am in possesssion of several reports which show that UV radiation in the Northern and in the Southern atmosphere is decreasing (and even if it had moderately increased in the Arctic this would be much less the radiation for inhabitants in the Alps or at the Aequator.)

The proposal of Gregory Benford et al. to pump nanoparticles with a size range that would selectively reflect UV radiation seems more seductive.

UV radiation levels in the stratosphere or cosmic ray influences on low level cloud formation) may be amplified by natural resonance matching to the overall climate system.

I can remember reading studies that purported to show that higher UV radiation from ozone depletion was causing frogs to disappear, this despite the fact that the experiments amounted to the same increased UV exposure as relocating the frogs about 50 miles south would have.

Seems warming may be increasing the «ozone hole,» which lets in more UV radiation, which increases the warming, increasing the hole, increasing the warming.....

When a certain amount of UV radiation hits the sensor, the titanium dioxide causes the food dye to change color.

«These are traditional fossil fuel - based plastics... that have been combined with what are called transition metals — for example, cobalt, manganese, and iron — which cause fragmentation of plastic when triggered by UV radiation or heat.

There are a large number of recent peer - reviewed scientific publications demonstrating how solar activity can affect our climate (Benestad, 2002), such as how changes in the UV radiation following the solar activity affect the stratospheric ozone concentrations (1999) and how earth's temperatures respond to changes in the total solar irradiance (Meehl, 2003).

This is due to the absorbtion by ozone of the sun's UV radiation and is in sharp contrast to the lower atmosphere.

Fused legs taper to a fleshy umbrella used to shield from UV radiation while foregoing bipedal movement; or oversized ears regulate body temperature in an environment that fluctuates in the extreme.

The safety and performance requirements of the Australia Standard are rigorous to ensure you and your family have protection from Australia's harmful UV radiation.

Burning can occur in regions that are subject to strong UV radiation, especially in lighter - skinned dogs.

The cysts can remain dormant for many years as long as they are kept dry, cool and protected from UV radiation.

It is suspected that heredity, breed (Boxer Dogs are predisposed), exposure to sunlight (uv radiation) and skin tumors.

Older skylights were simply a single thickness of glass in a frame, newer models come with laminated or tempered glass, and low - e and tinted coatings to control heat transmission and UV radiation.

The glass roof and tailgate are made of special tinted glass, which protects the occupants from UV radiation and excessive heat even in bright sunshine.

Notably, when the power sunroof is open, the power - sliding rear window is open, and all side windows are lowered, driving and riding in the Tacoma is like being inside of a convertible, but without quite the same degree of exposure to UV radiation.

With children spending over eight hours of the school week outside, and with hot weather that we are awaiting this summer, the exposure to UV radiation should be a concern to both parents and teachers, says Marie Tudor of SKCIN: The Karen Clifford Skin Cancer Charity.

AM or PM: Reapply as needed whenever the sun is out, or you are exposed to artificial light that emits UV radiation

These «physical» sunscreen agents work to block damaging free radicals and UV radiation: the leading cause of premature aging.

Consuming avocado can promote healthy aging as it is rich in lutein and zeaxanthin that protect your skin from UV radiation.

If you're a frequent flier be sure to wear a moisturizer with a broad - spectrum SPF — this means you'll help to protect your skin from UVA and UVB rays — for the flight as the plane's windows may expose you to these higher - than - normal levels of UV radiation.

Slip into the men's navy trim - fit Wildcraft casual shirt with a UPF of over 50 to reduce UV radiation.

Stronger UV radiation in the spring means more protection needed for your skin.

In addition to the hyaluron, the serum has olive derived squalane to prevent water loss of the skin, as well as protect it from harsh environmental factors and guards against UV radiation, making this anti-aging serum ideal for those with dry skin.

Sunlight, and the UV radiation it carries, is a major risk factor for cataracts.

Generally speaking, SPF 15 is thought to block 94 % of UV radiation, SPF 30 only 97 % and SPF 45 98 %.

Valentia also comes in dark, amber glass bottle, to keep out sunlight, and prevent UV radiation from oxidising the oil and weakening its acne - clearing abilities.