Sentences with phrase «temperature changes associated»

One sees clear indications of long - term changes discussed above, with CO ² and proxy temperature changes associated with the last ice age and its transition into our present interglacial period of warmth.

Perhaps more problematically, such a model would imply that the large temperature changes associated with the glacial / interglacial cycle would produce immense swings in CO2 (on the order of 500 — 1000 ppm).

The temperature changes associated with solar minima, or for that matter prolonged solar inactivity are very small compared to what you get with a doubling or tripling of CO2 in the atmosphere.

A more recent analysis which is arguably more detailed with regard to the precise relationship between the meridional overturning streamfunction and the surface temperature changes associated with the AMO is provided by the recently published GRL article by Knight et al..

The best estimates for the temperature change associated with that doubling (the CO2 sensitivity) are about 3 degrees C.

John, what if the CO2 sensitivity, whatever its value, turns out to be a small fraction of the temperature change associated with natural variability?

«In our study, the increase in ocean acidity and decrease in carbonate ions occurred regardless of the degree of temperature change associated with global warming,» Jain said.

Not exact matches

Symptom - based methods: With these methods, you observe and track one or more physical signs associated with fertility, including changes in your basal body temperature (BBT) and cervical mucus.

«The key to this metamaterial and metadevice is vanadium dioxide, a phase change crystal with a phase transition that is triggered by temperatures created by an electric current,» said Lei Kang, research associate in electrical engineering, Penn State.

«This work makes us think that increasing urbanization and rising temperatures associated with global climate change could lead to increases in scale insect populations, which could have correspondingly negative effects on trees like the red maple,» Dale says.

Drawing on data streaming in from a multitude of sensors monitoring the world's water supply, for instance, the computer might learn to recognize changes in pressure, temperature, wave size and tides, then issue tsunami warnings, even though current science has yet to identify the constellation of variables associated with the monster waves.

Brain - based computers could help emergency department doctors render elusive diagnoses even when science has yet to recognize the collection of changes in body temperature, blood composition or other variables associated with an underlying disease.

Now a group of American and British scientists have used a new chemical technique to measure the change in terrestrial temperature associated with this shift in global atmospheric CO2 concentrations.

In essence, the scientists evaluated the impacts associated with a given final level of carbon dioxide in the atmosphere, but did so through the lens of temperature change.

An increasingly common feature of reefs worldwide, it is brought on by thermal stress resulting from seawater temperature anomalies associated with climate change.

Genes with mammoth - specific changes were most strongly linked to fat metabolism (including brown fat regulation), insulin signaling, skin and hair development (including genes associated with lighter hair color), temperature sensation and circadian clock biology — all of which would have been important for adapting to the extreme cold and dramatic seasonal variations in day length in the Arctic.

Although rising CO2 levels in the atmosphere can benefit tree growth, the rising temperatures associated with climate change can trigger droughts that kill trees, which dampens CO2 removal from the atmosphere.

Today's climate models predict a 50 percent increase in lightning strikes across the United States during this century as a result of warming temperatures associated with climate change.

On the basis of where in Europe each ESU is found, the researchers then analysed whether the associated insect would be able to tolerate higher temperatures or move to somewhere cooler, using two models developed by the Intergovernmental Panel on Climate Change (IPCC).

Their new analysis is based on a computer simulation of the changes in temperature of the atmosphere associated with greenhouse warming.

A previous study by the researchers showed that reduced summer water availability and higher water temperatures associated with climate change could result in significant reductions in thermoelectric power supply in Europe and the United States.

The first image, based on data from January 1997 when El Nio was still strengthening shows a sea level rise along the Equator in the eastern Pacific Ocean of up to 34 centimeters with the red colors indicating an associated change in sea surface temperature of up to 5.4 degrees C.

Are the warmer temperatures associated with climate change drying Arctic sites?

Relevant to this issue, there is currently a debate among paleoclimatologists with respect to the following condundrum: A dramatic recession of the more - than - 11,000 year old ice cap of Mt. Kilimanjaro in tropical East Africa is taking place despite any clear evidence that temperatures have exceeded the melting threshold (one explanation is that the changes are largely associated with a drying atmosphere in the region; the most recent evidence, however, seems to indicate that melting may indeed now be underway).

The most important bias globally was the modification in measured sea surface temperatures associated with the change from ships throwing a bucket over the side, bringing some ocean water on deck, and putting a thermometer in it, to reading the thermometer in the engine coolant water intake.

Even if you ignore all the temperature meauserments which you seem to vehimently deny there is still many other sources of evidence associated with this increase such as — ice melt / extreme weather events / sea current changes / habitat changes / CO2 / ice cores / sediment cores.

The decades of work that have gone into reducing PM2.5 through environmental regulations and technological improvements are being undermined by the West's worsening wildfire seasons, with large wildfires being amplified by higher temperatures and drier conditions associated with human - caused climate change.

«The Greenland ice sheet as a whole is shrinking, melting and reducing in size as the result of globally changing air and ocean temperatures and associated changes in circulation patterns in both the ocean and atmosphere,» Muenchow said.

Although a reef manager can not easily address the global issues of increasing temperatures and acidification, managers can reduce local stressors that compound those associated with climate change and acidification.

The global mean temperature rise of less than 1 degree C in the past century does not seem like much, but it is associated with a winter temperature rise of 3 to 4 degrees C over most of the Arctic in the past 20 years, unprecedented loss of ice from all the tropical glaciers, a decrease of 15 to 20 % in late summer sea ice extent, rising sealevel, and a host of other measured signs of anomalous and rapid climate change.

Direct effects are impacts to trees that arise directly in response to changes in temperature and precipitation; indirect effects are secondary impacts, such as increased number of fires associated with warming temperatures, which then affect trees and forests.

According to the results, the major link between an ENSO event and changes in the temperature and rainfall in Nigeria is associated with shifts in the ITCZ position.

We can then calculate the associated surface temperature change:

This seems to be associated with particular patterns of change in sea surface temperature in the Atlantic and Pacific oceans, a teleconnection which is well - captured in climate models on seasonal timescales.

The study, which controlled for levels of pollutants and allergens in the air (which are affected by weather), found that a 10 - degree increase in temperature and a 10 % change in humidity were associated with a slight uptick in asthma - related emergency room visits.

Year 4 Science Assessments Objectives covered: Recognise that living things can be grouped in a variety of ways Explore and use classification keys to help group, identify and name a variety of living things in their local and wider environment Recognise that environments can change and that this can sometimes pose dangers to living things Describe the simple functions of the basic parts of the digestive system in humans Identify the different types of teeth in humans and their simple functions Construct and interpret a variety of food chains, identifying producers, predators and prey Compare and group materials together, according to whether they are solids, liquids or gases Observe that some materials change state when they are heated or cooled, and measure or research the temperature at which this happens in degrees Celsius (°C) Identify the part played by evaporation and condensation in the water cycle and associate the rate of evaporation with temperature Identify how sounds are made, associating some of them with something vibrating Recognise that vibrations from sounds travel through a medium to the ear Find patterns between the pitch of a sound and features of the object that produced it Find patterns between the volume of a sound and the strength of the vibrations that produced it Recognise that sounds get fainter as the distance from the sound source increases Identify common appliances that run on electricity Construct a simple series electrical circuit, identifying and naming its basic parts, including cells, wires, bulbs, switches and buzzers Identify whether or not a lamp will light in a simple series circuit, based on whether or not the lamp is part of a complete loop with a battery Recognise that a switch opens and closes a circuit and associate this with whether or not a lamp lights in a simple series circuit Recognise some common conductors and insulators, and associate metals with being good conductors

«Even after spending two weeks with the ATS, I'd reach over to change the temperature and end up grazing the volume instead,» fumed associate web editor Eric Weiner upon returning from a trip to Philadelphia.

Some folks associate the enlarging areas of heartworm disease with climate change (heartworm larvae do not become infectious in mosquitoes at temperatures below 57F = 14C [ref]-RRB-.

Although the primary driver of glacial — interglacial cycles lies in the seasonal and latitudinal distribution of incoming solar energy driven by changes in the geometry of the Earth's orbit around the Sun («orbital forcing»), reconstructions and simulations together show that the full magnitude of glacial — interglacial temperature and ice volume changes can not be explained without accounting for changes in atmospheric CO2 content and the associated climate feedbacks.

A natural coupled mode of climate variability associated with both surface temperature variations tied to El Niño and atmospheric circulation changes across the equatorial Pacific (see also «Southern Oscillation Index»).

On Wednesday an interesting paper (Thompson et al) was published in Nature, pointing to a clear artifact in the sea surface temperatures in 1945 and associating it with the changing mix of fleets and measurement techniques at the end of World War II.

The higher temperatures associated with climate change near the surface are resulting in increased evaporation, leading to more water vapor in the stratosphere which chemically reacting with the ozone — resulting in ozone depletion.

There is no doubt that it is upper troposphere cloud that responds to change in local temperature in turn related to periodic change in ozone concentration that is in turn associated with vortex activity at the poles.

In the periods 1921 — 1925, 1932 — 1938, 1952 — 1957 synchronization is not associated with an increasing coupling strength and no change in the temperature trend is taking place.

Thus, small changes of global average air temperature are associated with very large changes in some regions, particularly over land, at mid - to high latitudes, in mountain regions.

The authors of the article on cosmic rays and cloud changes clearly indicate (both in the abstract and in their Fig. 5) that a decrease in cloudiness (linked to a decrease in cosmic rays) is associated with an INCREASE of surface level air temperature, in other words clouds give negative feedback.

The climate change in this period is generally believed to be associated with precessional changes in the distribution of solar radiation, which primarily affect land - sea temperature contrast, and give only a regional warming, plus an enhancement of certain monsoonal circulations.

Emanuel (2005) makes a compelling case that the warming ocean temperatures (and associated changes in atmospheric temperature and humidity profiles) are behind the increased TC intensity in the Atlantic.

The Nature study is talking about changes associated with ocean circulation even while CO2, and the global imbalance, and global temperature, is increasing.

Including emission along a path (Schwarzchild's equation), a flux will approach saturation as the optical thickness becomes large over scales where the temperature variation is small; at smaller optical thicknesses, the temperature distribution may vary and larger temperature variations make the nonlinearity of the Planck function important, but over short distances, the temperature variation can be approximated as linear and the associated Planck function values can be approximated as linearly proportional to distance for small temperature changes, so the flux will approach an asymptotic value as a hyperbolic function (the difference between the flux and the saturation value of the flux will be proportional to 1 / optical thickness per unit distance (assuming isotropic optical properties (or even somewhat anisotropic properties), it will have that proportionality for all directions and thus for the whole flux across an area).