Sentences with phrase «surface area of»

Yet an increase in the surface area of crevasses can accelerate the flow because it means more of the ice's interior is exposed to warming by surface melt water.

While the Leroy (1999) system performs well for new station siting evaluation, it does not take into account the surface area of heat sinks and sources that may encroach upon a temperature measurement station over its lifetime.

As the polar ice caps grow or melt, the surface area of the earth covered by land relative to that covered by water changes.

The amount of heat gained by the earth's surface depends on the surface area of the earth covered by water relative to that covered by land.

For this purpose, we can start with a greenhouse used in agriculture where sewage sludge or pig manure are drying, and measure the amount of some GHGs inside and outside after passing through a large surface area of photocatalyst exposed to sunlight.

«surface area of the heat sinks / sources within the thermometer viewshed to quantify the total heat dissipation effect.»

Storage capacity in an ultracapacitor is proportional to the surface area of the electrodes.

No, your shell is not necessarily «twice the surface area of the planet».

Assume the surface area of the planet in Fig. 1 (b) is «X» square metres.

Thomas, it looks like you are stuck on the same point that Anton Eagle didn't consider, which is that the surface area of the shell is twice that of the earth.

the differential areas dA all add up to the surface area of the sphere or shell, 4 * pi * r ^ 2.

Bird Stewart Lightfoot (16:46:20) and Steve (17:12:20), all energy fluxes are apparently relative to the surface area of the «planet» in this model.

The surface area of the shell is 2X square metres.

And tropics is 40 % of surface area of Earth.

The surface area of the ping - pong ball will be twice that, or about 25.2 cm ^ 2 as there is an inside and outside surface.

>> Myrddin Wyn (04:09:21): >> I'm missing a step here though, the power source >> supplies 235watts / m2 for a surface area of «a», if the >> shell has twice the area, 2a, shouldn't it emit half the >> energy; 117.5 W / m2.

As Alan D. McIntire (16:36:32) points out, the surface area of a shell at 8 km altitude is pretty much the same as the surface area of the earth (or rather, an earth - sized sphere).

The point you seem to miss is that the surface area of the shell is twice the surface area of the planet»... blah blah...

The grossly inexplicable assumption by the IPCC that the oceans are static considering they constitute 70 % of the surface area of the earth, 1000 times the heat capacity of the atmosphere and is 10s of thousands of feet deep in contact with the mantle of the earth for which we have virtually NO data to this very day.

This satellite image shows the record melting of Greenland's ice sheet in 2007: the red is the surface area of the ice sheet that had measurable melting during that summer.1

Qradiation is the energy radiated by the warm object S is the Stefan - Boltzmann constant A is the surface area of the warm object Ts is the absolute temperature of the warm object (the Earth) Ta is the absolute temperature of the surrounding medium (ambient temperature of the atmosphere)

As the grounded surface area of the outflowing glacier decreases, so does its friction against the bedrock, allowing it to flow with greater ease.

They find that all of the glaciers receded over the 1952 - 2005 period with an average loss in surface area of about 0.19 % per year.

The mass of the atmosphere is the surface area of Earth times the atmospheric pressure of 105 Pascal divided by g:

The AGW heating is of the order of Watts per square metre, so just take it to be 1 W / m ^ 2, and multiply by the surface area of the earth, to get a rough idea of the total extra power trapped by greenhouse gases.

The greatest surface area of ocean is in the SH and as per the plot it's cooling.

This is accomplished by having lots of surface area of masonry thermal mass directly exposed to sunlight, which is much more effective for storing heat than mass not in direct sun.

It has empirically derived dependencies on the chemistry and surface area of multiple species of ice nucleus (IN) aerosols.

Many of the mechanisms are like that — the tides, the direct inductive heating, the heating caused by the days influx of falling meteorites — which incidentally is far greater than the rate of heat loss through outgassing, as meteoric dust and matter infalls at an average rate of at least millimeters per decade, from my own direct measurements — they have «impressively» large amounts of annual energy associated with them, right up to where you divide by the surface area of the earth and the number of seconds in a year.

Werner's observation follows the announcement in September by the National Snow and Ice Data Center that the surface area of Arctic sea ice had reached a new low in 2012, breaking a previous record reached in 2007.

We found that the roof has a surface area of 33,234 square feet.

This estimate is based on GRAND and excludes the original surface area of natural lakes that have been modified with water regulation structures (this includes Lakes Victoria, Baikal, and Ontario; Lehner et al. 2011).

The rate of energy radiated by a block body at temperature T Kelvins is proportional to the fourth power of T and the surface area A of the black body.

The 267 reservoirs whose CO2, CH4, and / or N2O emission estimates we synthesize here cover a collective surface area of over 77,287 km2 (28 reservoirs with unknown surface area), and therefore represent 25 % of global reservoir coverage.

Although St. Louis and colleagues (2000) estimated global reservoir surface area by multiplying the surface area of reservoirs in the World Register of Dams by a factor of four, more recent reservoir surface - area estimates were made assuming that reservoir surface areas follow a pareto distribution (Downing et al. 2006, Lehner et al. 2011).

In this synthesis, reservoirs with more than 1MW installed capacity had a median surface area of 226 km2.

With a surface area of about 3.6 million square miles (9.4 million square kilometers), the Sahara is the third - largest desert in the world.

As I have said before, water is most of surface area of earth near the equator, and tropics [40 % of surface area of earth] receives most of the Sun's energy and the tropical ocean does seem to me to drive Earth's climate.

That is almost 10 % of the total surface area of the Earth.

And A123 Systems, a spin - off from the Massachusetts Institute of Technology, is now promoting a new lithium battery technology which combines a novel lithium - ion phosphate chemistry with nanoscale materials that increase the surface area of the electrodes.

Anesio's team has estimated that, globally, the surface area of these holes adds up to roughly 9,000 square miles.

The increased effective radiating surface area of atmospheric CO2 would also act like a stepping stone for heat to leave the planet but how much cooling these effects have is anyones guess.

So perhaps less than 1 m / s over ocean and so some number closer to 10 m / s occurs over smaller the surface area of land.

This NASA website substitutes his theory with a claim of more «reflection» from higher surface area of water droplets: http://geo.arc.nasa.gov/sgg/singh/winners4.html: it's incorrect physics.

The longitude and latitude of each glacier is noted in degrees and minutes, the mean slope of the glacier surface, the mean altitude of the glacier, and the surface area of the glacier are also listed.

PV module electricity generating capacity increases with the number of cells in the module or in the surface area of the module.

What is the surface area of the Earth?

Surface area of a MERRA - 2 grid box can be computed using the geometry of a sphere, with radius of 6371.0 E3 m.

The Stefan — Boltzmann law states that the total energy radiated per unit surface area of a black body across all wavelengths per unit time (also known as the black - body emissive power) is directly proportional to the fourth power of the black body's absolute temperature.

And only talk about dispersion of heat over area - an widen surface area of a sphere the further it gets from a heat source.