Sentences with phrase «increased water vapor in»

Increased water vapor in the stratosphere makes it warmer on the ground by trapping heat, while the ozone loss makes it colder on the ground.
Global warming pessimists accept that CO2 - induced warmer temperatures will cause a positive feedback via increased water vapor in the air.
As to the idea of CH4 contributing to an increase in O2 in the atmosphere we are leaving out the recent examples of increased water vapor in the Stratospheric region.
• albedo decreases as ice melts (ice is perhaps 80 % reflective, while ocean albedo can be as low as 3.5 %) • increased water vapor in a warmer climate • warmer oceans absorb less carbon dioxide • warmer soils release carbon dioxide and methane • plants in a hotter climate are darker
For example, they predicted the expansion of the Hadley cells, the poleward movement of storm tracks, the rising of the tropopause, the rising of the effective radiating altitude, the circulation of aerosols in the atmosphere, the modelling of the transmission of radiation through the atmosphere, the clear sky super greenhouse effect that results from increased water vapor in the tropics, the near constancy of relative humidity, and polar amplification, the cooling of the stratosphere while the troposphere warmed.
It also increases the water vapor in the air slightly — which takes another bite out of the IR spectrum.
goodsprk: It relies on not simply CO2, but on feedback from increased CO2 raising the temperature which increases the water vapor in the atmosphere which the alarmist assume will actually breaking up the low level clouds and forming high level cirrus clouds that will trap more heat.
I make you angry: -RCB- It shows CO2's absorption in the longwave IR band, CO2 slows longwave radiation lost to space which increases temperature which increases evaporation, increasing water vapor in the atmosphere.
It relies on not simply CO2, but on feedback from increased CO2 raising the temperature which increases the water vapor in the atmosphere which the alarmist assume will actually breaking up the low level clouds and forming high level cirrus clouds that will trap more heat.
This further increases the water vapor in the atmosphere - the main culprit of greenhouse gases.
This increases the water vapor in the atmosphere which also increases the temperature more.
There is growing evidence that this has already occurred31 through more evaporation from the ocean, which increases water vapor in the lower atmosphere32 and autumn cloud cover west and north of Alaska.33

Not exact matches

Rather, when the fullness of time is reached, there is a qualitative transformation, as in the case of the acorn becoming an oak, or water brought to boiling point becoming vapor, or instinct becoming reflection, or molecular increase becoming cellular.
The researchers believe the greening is a response to higher atmospheric carbon dioxide inducing decreases in plant stomatal conductance — the measure of the rate of passage of carbon dioxide entering, or water vapor exiting, through the stomata of a leaf — and increases in soil water, thus enhancing vegetation growth.
New Zealand experienced an extreme two - day rainfall in December 2011; researchers said 1 to 5 percent more moisture was available for that event due to climate change, which is increasing the amount of water vapor in the atmosphere.
The increase in the amount of water vapor could be related to the decline in sea ice, they say.
Of course, the amount of water vapor in the atmosphere is also affected by another potent greenhouse gas — methane — which has unexpectedly failed to increase in recent years.
And climate change has led to more water vapor in the atmosphere, which increases rainfall totals.
Satellite data showed that the increase coincided with a «greening» of the rainforest, or an increase in fresh leaves, leading researchers to suspect the moisture might be water vapor released during photosynthesis.
Most climatologists expect that on average the atmospheres water vapor content will increase in response to surface warming caused by the long - lived greenhouse gases, further accelerating the overall warming trend.
For example, added water vapor pumped into the upper atmosphere from the chimney increases the amount of energy trapped there, in turn heating the planet further.
And more water vapor worldwide is related to the atmosphere being warmer — we have about 7 percent more water vapor in the atmosphere now than we did in the 1950s, which is directly linked to the increase in heavy precipitation events.
«This increase in water vapor has contributed to increasing total precipitation in the fall season, but does not necessarily mean an increase in extreme precipitation events,» she added.
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.
Lindzen was allowed to print his «Iris Theory» (stating that global warming might end because of a natural increase in cooling - type clouds and less water vapor - a heat - trapping greenhouse gas) in Geophysical Research Letters (Jun. 26, 2001 - a legitimate peer - reviewed journal).
For every 1 °F increase in temperature, the atmosphere can hold around 4 percent more water vapor, which leads to heavier rain and increases the risk of flooding of rivers and streams.
According to Dr. Kevin Trenberth at NCAR in Boulder, Colo., an increase in water vapor floating overhead, triggered by warming of the atmosphere and oceans, is already loading the dice.
Now if we add water vapor to the atmosphere it increases the greenhouse effect in the spectral regions that are not saturated not opaque, which means in the atmospheric window.
Another process knows as a «runaway greenhouse» occurs due to the increased greenhouse effect of water vapor in the lower atmosphere, which further drives evaporation and more warming.
BH — The Gettelman et al paper I linked to demonstrates increases in water vapor from observational data (AIRS) over a 54 month interval, as well as good correlation with model simulations.
However, the surface warming caused by human - produced increases in carbon dioxide, methane, and other greenhouse gases leads to a large increase in water vapor, since a warmer atmosphere holds more moisture.
Current state - of - the - art climate models predict that increasing water vapor concentrations in warmer air will amplify the greenhouse effect created by anthropogenic greenhouse gases while maintaining nearly constant relative humidity.
For every 1 °C (1.8 °F) of warming, the amount of water vapor in the atmosphere increases by about 7 percent.
Human activities directly produce only a small increase in water vapor through combustion processes and irrigation.
Increased water vapor is expected to accompany increases in temperature (IPCC 2013), and as a result heat stress increases are compounded.
Thousands of studies conducted by researchers around the world have documented changes in surface, atmospheric, and oceanic temperatures; melting glaciers; diminishing snow cover; shrinking sea ice; rising sea levels; ocean acidification; and increasing atmospheric water vapor.
The stratopsheric cooling may be caused by the tropospheric water vapor (see figure 3 of http://www.springerlink.com/content/6677gr5lx8421105/fulltext.pdf)-- but in that figure water vapor is fixed only above sigma = 0.14 (~ 140 hPa), so the cooling may also be caused by the increase in lower stratospheric water vapor.
The climate responds to the warming or cooling, in part by increasing or decreasing water vapor a la Claussius - Clapeyron.
There is a clear impact on global temperature, too, though the mechanisms are complex: heat released from the oceans; increases in water vapor, which enhance the greenhouse effect, and redistributions of clouds.
The most important non-CO2 forcing is methane, whose increases in turn cause tropospheric ozone and stratospheric water vapor to increase.
It was hypothesized that if CO2 warmed the atmosphere, the amount of water vapor — itself a powerful greenhouse gas — in the atmosphere should increase.
Magma at Mount Agung in Bali has moved upward, indicated by the release of water vapor from its crater, in addition to increased seismic activity, the Energy and Mineral Resources Ministry's Volcanology and Geological Hazard Mitigation Center (PVMBG) reported on Monday.
It is difficult to monitor, but there is now satellite evidence that water vapor in the atmosphere really is increasing with temperature, in a way that yields positive feedback.
The relative contribution of each trace GHG to increased Eocene and Cretaceous land temperatures at 4 × CO2, assessed with multiple separate coupled - ocean atmosphere HadCM3L model simulations, revealed methane and associated increases in stratospheric water vapor dominate, with nitrous oxide and tropospheric ozone contributing approximately equally to the remainder.
[1] CO2 absorbs IR, is the main GHG, human emissions are increasing its concentration in the atmosphere, raising temperatures globally; the second GHG, water vapor, exists in equilibrium with water / ice, would precipitate out if not for the CO2, so acts as a feedback; since the oceans cover so much of the planet, water is a large positive feedback; melting snow and ice as the atmosphere warms decreases albedo, another positive feedback, biased toward the poles, which gives larger polar warming than the global average; decreasing the temperature gradient from the equator to the poles is reducing the driving forces for the jetstream; the jetstream's meanders are increasing in amplitude and slowing, just like the lower Missippi River where its driving gradient decreases; the larger slower meanders increase the amplitude and duration of blocking highs, increasing drought and extreme temperatures — and 30,000 + Europeans and 5,000 plus Russians die, and the US corn crop, Russian wheat crop, and Aussie wildland fire protection fails — or extreme rainfall floods the US, France, Pakistan, Thailand (driving up prices for disk drives — hows that for unexpected adverse impacts from AGW?)
# 185 — «The increased water vapor will almost certainly result in increased cloud formation...» I'd be very interested in your source for this suggestion, Dan.
Global warming also leads to increases in atmospheric water vapor, which increases the likelihood of heavier rainfall events that may cause flooding.
Specific humidity content of the air has increased, as expected as part of the conventional water vapor feedback, but in fact relative humidity also increased between 1950 and 1990, indicating a stronger water vapor feedback than given by the conventional assumption of fixed relative humidity.
1) Even though CO2 concentrations in the atmosphere has gone up by 30 % over the last 200 years or so (compared to being stable for 400 000), I have a hard time to comprehend how an increase from 0.028 % to 0.038 % of CO2 by volume can have any effect on the thermal mass of the atmosphere considering that water vapor by volume is 50x greater and has higher thermal coefficients.
Though it's a long shot, several of us check water vapor animations (h / t Tenney Naumer), and over time the increase in WV and energy is, we think, noticeable.
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