Sentences with phrase «air water vapor»

These effects include the role of poor microclimate exposure and the effect of temporal trends in surface air water vapor in the interpretation of the surface temperature trends.

These issues, which are either not recognized at all in the assessments or are understated, include: - the identification of a warm bias in nighttime minimum temperatures - poor siting of the instrumentation to measure temperatures - the influence of trends in surface air water vapor content on temperature trends - the quantification of uncertainties in the homogenization of surface temperature data, and the influence of land use / land cover change on surface temperature trends.

Not exact matches

In addition, they don't produce «harmful» tailpipe exhaust, emitting warm air and water vapor only.

«The water vapor in the air was at its maximal state of tension... It was a fine day in August 1913.»

Warm - mist humidifiers are commonly called vaporizersor steam humidifiers, as they boil water first and release vapors into the air.

They have an inbuilt heating system that provides a warm mist of water vapor laden air.

Condensation is a phase transition of matter that occurs when water vapor contained in hot, humid air comes in contact with a cold surface.

All humidifiers generally do the same thing, ie, emit water vapor into the air.

Apart from the size and appearance, this unit is also a very efficient humidifier that provides a steady and consistent stream of water vapor that helps to keep the air in the room moist and fresh.

Humidity is a measure of the amount of water vapor in the air, and if it is too low the interior of the house will become uncomfortable, and it is also unhealthy.If -LSB-...]

But on a plane, the low water vapor content and air pressure combined with more rapid breathing equals a need for more water.

Clouds develop in this high layer of the atmosphere only when the air temperature drops below — 117 degrees Fahrenheit, the threshold for water vapor to condense in the stratosphere's thin, parched air.

The team suspects it has to do with photosynthesis, which leads to more water vapor in the air.

Either one of those aircraft effects can drop the air temperature by more than 35 degrees Fahrenheit, flash - freezing the water vapor.

For that to be possible, the air must contain even more water vapor than is usually required to form clouds, reaching a very high state of supersaturation.

Using publically available data about wind speed and water vapor flux from real - world atmospheric rivers over the Atlantic, the scientists created a computer model consisting of thousands of moving virtual air particles and found a close match between the complex swirls — the Lagrangian coherent structures — made by the air particles and the patterns made by the real atmospheric rivers.

We can get very high accuracy humidity readings, too, so we can tell how much water vapor is in the air.

You can't squeeze blood from a stone, but wringing water from the desert sky is now possible, thanks to a new spongelike device that uses sunlight to suck water vapor from air, even in low humidity.

Water vapor originating from the Earth's tropics is transported to midlatitudes on long filaments of flowing air that intermittently travel across the world's oceans.

The cause of the present flood has to do with the mass of water vapor in the air, which is partly the result of higher air temperature.

Water vapor seen at these infrared wavelengths is in the upper and middle levels of the troposphere, where the winds are ruled by large - scale air masses.

Formed in the presence of sunlight by water vapor and pollutants like ozone and nitrogen oxides, hydroxyl is hard to measure, because it persists for just a second in the air before it reacts away.

Thick, humid air turns out to be a different story, though, and nothing thickens air so reliably (as anyone in London or San Francisco could tell you) as water vapor.

In global warming, the hotter air will contain more water vapor, and thus more energy will be released when the vapor condenses to drops.

«Fueled with mostly ethanol, these race cars burn more fuel cleanly and release mainly carbon dioxide and water vapor into the air,» said Mathur.

Such physical changes to the atmosphere might last only hours or days, he notes, but any subtle chemical changes — including those resulting from the extra hydrogen added to the air when ultraviolet light breaks down the water vapor — would persist much longer.

The hydrogen bonds can be disrupted by water vapor in the air, with each keratin binding to water in the air instead of each other.

And this polluted air and water vapor certainly will be carried to the near shore and left as an oily residue on everything from trees to electrical transformers, just as the salt from seawater often coats several kilometers inland in the wake of a hurricane.

While the ECS factors in such «fast» feedback effects as changes in water vapor — water itself is a greenhouse gas, and saturates warm air better than cold — they argued that slow feedbacks, such as changes in ice sheets and vegetation, should also be considered.

Cold surfaces can cause water vapor in the air to cool down, condense and form tiny beads of liquid.

The new material, made from a common plastic called polyethylene, is a thin ply riddled with nano - sized holes that allow the release of infrared radiation, water vapor (that is, sweat), and air.

«The maximum concentration of (invisible) water vapor which can occur in air decreases to extremely low values at very cold temperatures.

Here are some other top successes: destroying stockpiles of chemical weapons globally as well as local stores of DDT in Tanzania; new cooking stoves to eliminate indoor air pollution in Ghana; separating copper mine tailings from the local water supply in Chile; alternative fuels to reduce air pollution in New Delhi as well as treating arsenic in well water in West Bengal; removing lead - contaminated soil in the Dominican Republic and Russia; reducing mercury vapors from artisanal gold mining in Indonesia; and new sewage systems to clean up contaminated Suzhou Creek in Shanghai.

Expansion causes the air to grow cooler, which reduces the amount of water vapor it can contain.

Warmer air traps more water vapor, and scientists expect that additional water to fall in already wet parts of the Earth.

Clouds form when the invisible water vapor in the air condenses into visible water droplets or ice crystals.

Above the treetops, he checks a cluster of instruments that analyze the lush canopy as a collection of numbers: the amount of carbon being inhaled from the atmosphere, the concentration of water vapor in the air and the precise mix of hues the leaves exhibit.

The upward trajectory of the air gives shape to the towering cumulonimbus clouds, and if the air is heavily laden with water vapor, it adds mass to the clouds, as well.

Warmer atmospheric air means more water vapor, which is itself a greenhouse gas, exacerbating the problem.

Hydrogen is clean - burning, producing only water vapor as waste, so fuel - cell vehicles using hydrogen will be zero - emission, an important factor given the need to reduce air pollution.

The next breath of cool, dry air from the outside world cools the turbinals again and also dries them, carrying water vapor back to the lungs.

The South Pole is the best place on the planet for these observations, as it's on a plateau that's almost 2 miles high, and the high, cold air contains very little radiation - distorting water vapor.

Using satellite data, the scientists then assessed how this new tree and plant cover would drive three climate feedbacks: water vapor in the air, carbon absorption by plants and the reflectivity of the Earth's surface.

The research, published yesterday in Nature Climate Change, outlines a counterintuitive side effect of climate change: As higher temperatures drive plants and trees into areas now inhospitable to them, their new distribution speeds up temperature rise via natural processes such as releases of heat - trapping water vapor into the air.

«People may know the expression, «It's too cold to snow» — if it's very cold, there is too little water vapor in the air to support a very heavy snowfall, and if it's too warm, most of the precipitation will fall as rain,» O'Gorman says.

While plants also absorb carbon from the air, the team found that the warming power of water vapor and the albedo effect in particular far outweigh this cooling factor.

The scientists compared the amount of water vapor in the air within the Sept. 19 to Oct. 19 time frame, two weeks before and after the 2013 storm.

By analyzing global water vapor and temperature satellite data for the lower atmosphere, Texas A&M University atmospheric scientist Andrew Dessler and his colleagues found that warming driven by carbon dioxide and other gases allowed the air to hold more moisture, increasing the amount of water vapor in the atmosphere.

First noticed by amateur astronomers, the massive storm works like the much smaller convective events on Earth, where air and water vapor are pushed high into the atmosphere, resulting in the towering, billowing clouds of a thunderstorm.

Water droplets, ice crystals and water vapor are constantly changing and able to co-exist only when air in a cloud is constantly moWater droplets, ice crystals and water vapor are constantly changing and able to co-exist only when air in a cloud is constantly mowater vapor are constantly changing and able to co-exist only when air in a cloud is constantly moving.