Sentences with phrase «how much sunlight»

Make sure to take note of how much sunlight your spaces get before picking out flowers to plant.

To provide accurate estimates, Project Sunroof uses a unique set of data that assesses how much sunlight your roof gets, the orientation, shade from trees and nearby buildings, and local weather patterns — essentially creating a solar score for every rooftop that it maps.

By counting the number of scales left behind at various levels of the sediment cores, the researchers determined how much sunlight reached the bottom of the pond in a given year, allowing them to estimate the pond's water depth, clarity and chemistry over time.

These cycles cause small fluctuations in how much sunlight reaches different parts of the Earth.

Albedo is a measure of how much sunlight an object or surface reflects.

The Russian scientist Yuri Izrael, who has participated in IPCC geoengineering expert groups and was an adviser to the former Russian president Vladimir Putin, conducted an experiment in 2009 that sprayed particles from a helicopter to assess how much sunlight was blocked by the aerosol plume.

The poleward shift of high - altitude clouds affects how much sunlight reaches Earth's surface because when they move, they reveal what's below.

Worse, you have to know aerosol emissions as a function of not just time, but of latitude also, because how much sunlight they reflect depends on the angle of sunlight that impacts them.

The timing of the ice ages is believed to be controlled mainly by the earth's orbit and tilt, which determines how much sunlight falls on each hemisphere.

The size of the mirror would determine how much sunlight it could reflect back towards space and, therefore, its cooling effect, says Prof Govindasamy Bala, from the Divecha Centre for Climate Change at the Indian Institute of Science.

But much stronger albedo effects (a measure of how much sunlight is simply reflected back out into space) might be generated by the high winds of the glacial era, giving 10 °C temperature changes rather than the 1 °C excursion of the Little Ice Age.

Both those results stem from the way deforestation changes how much sunlight Earth's surface reflects and absorbs.

'' The authors attribute the cooling from 7,000 years ago until the Medieval Warm Period to changes in Earth's orientation toward the sun, which affected how much sunlight fell on both poles.

You can only compare how much sunlight is reflected from each surface at the edge of each ice pack, and how much sunlight is absorbed from each square meter.

[And for those more technically - minded persons, yes, I agree that the effective radiating temperature of the Earth in the infrared is determined by how much sunlight is absorbed by the Earth.

Mars undergoes temperature swings influenced by how much sunlight reaches the surface, which also affects its polar ice caps (another great influence on the atmosphere.)

SRM describes an array of methods — all of which remain hypothetical — for artificially reducing how much sunlight reaches the Earth's surface in order to dampen global warming.

Unlike the situation with say greenhouse gases, we actually can measure how much sunlight is lost when a volcano erupts.

If you put more CO2, say, into the stratosphere then that doesn't change how much sunlight reaches the Earth's surface much and the surface warms up as much as before.

How much sunlight is absorbed by the corn plants needed to manufacture one joule's worth of ethanol, for example, compared to the amount of sunlight a solar panel needs to generate one joule of electricity?

The change in ice volume and climate changes the planets albedo (how much sunlight is reflected) and affect carbon storage.

One thing I've learned from living in the Bay Area for so long... no matter how warm it seems or how much sunlight is out, always carry a jacket.

I work in a lab all day so you can guess how much sunlight exposure I get....

It download your GPS coordinates, where you are, and it tells you precisely how much sunlight you're getting and how much vitamin D you make.

But a new study suggests just how much sunlight really matters to our emotional and mental health.

Plus, if you're north of Atlanta, the winter sun is too weak to generate vitamin D in your skin, no matter how much sunlight you get.

As an Earth scientist, however, Marshak is now investigating how common these horizontal ice particles are, and whether they're common enough to have a measureable impact on how much sunlight passes through the atmosphere.

«The second is efficiency [how much sunlight can be converted to power] and the third is the reliability, [which means the] lifetime of the device.»

The differences affect how much sunlight makes it into the lower atmosphere and can reflect, buffer or trap in heat.

Albedo is a ratio of how much sunlight (and its thermal radiation) is reflected back into space by a given surface.

Because Lidar lets researchers see a 3 - D version of a city, down to an individual tree or building, it can also figure out how much sunlight hits an area — and how likely a food crop could flourish in that spot.

The # 3 - million (US$ 4 - million) Black and Bloom project aims to measure how algae are changing how much sunlight Greenland's ice sheet bounces back into space.

«The difference between the two tells how much sunlight is getting trapped in the atmosphere,» Ramanathan says.

We also use other filters to look at the sun to get direct readings of how much sunlight is reaching the surface.

Less forest cover can also change how much sunlight is absorbed in the Northern versus the Southern hemispheres, which can shift tropical rain bands and other climate features.

Holzschuh says a big challenge is in finding appropriate unclimbed cliff faces to compare to those that rock climbers frequent — ones that share traits such as slope and how much sunlight the face gets.

They tested different degrees of axis tilt, which influences how much sunlight the planet's upper and lower latitudes receive, as well as different degrees of eccentricity — the extent to which the planet's orbit around the sun deviates from a circle, which can amplify seasonal temperature changes.

You can customize it to your yard, too, by telling it what kind of soils and plants are in certain areas and how much sunlight each gets.

Using its automation technology, Netatmo tracks how much sunlight you are exposed to, as well as recommendations for protecting yourself.

Not exact matches

So, skin color is huge, what latitude you live in, how much sun exposure you have, how direct the sunlight is because those variables are so hard to quantify, the AAP has come out with a guideline that babies who receive at least half maternal breast milk or solely breastfed should receive 400 international units starting soon after birth «cause that just has been shown to prevent both Osteomalacia, a Vitamin D deficiency and Rickets.

The ethics bill trumpeted by Gov. Cuomo as a historic step toward reforming New York government highlights nothing so much as how allergic the Legislature is to sunlight.

It's incredible how much light that tiny dot of sunlight provides.

«These biomarkers are not as resilient as once thought and they may provide a future window into determining how much, and how quickly, these oil components may linger in the environment when exposed to air, sunlight, and the elements.»

Another source of uncertainty comes from the direct effect of aerosols from human origins: How much do they reflect and absorb sunlight directly as particles?

Note how dark the Moon is compared to Venus: On average Venus reflects five times as much sunlight as the Moon.

You might think that plants grow according to how much nutrition, water and sunlight they are exposed to, but new research by Dr Nick Pullen and a team from the John Innes Centre, UK shows that the plant's own genetics may be the real limiting factor.

Using this input, a sophisticated computer model developed at NASA's Goddard Space Flight Center, Greenbelt, Maryland, was used to determine which areas receive direct sunlight, how much solar radiation reaches the surface, and how the conditions change over the course of a year on Ceres.

Indeed, observes Reinhold Vieth of the University of Toronto, «from Boston to Omaha northward, from late October through late March, there's not enough UV in sunlight to provide us with sufficient vitamin D,» no matter how long people remain outside and how much of their skin they leave uncovered.

Using engineered nanophotonic materials the team was able to strongly suppress how much heat - inducing sunlight the panel absorbs, while it radiates heat very efficiently in the key frequency range necessary to escape Earth's atmosphere.

«We were quite surprised at how massive, how thick this haze layer was,» says co-chief scientist Veerabhadran Ramanathan of the Scripps Institution of Oceanography, «and that it cut down on the sunlight going into the ocean by as much as 10 percent.»