Sentences with phrase «precipitation increases in a warming»

Although the current study is limited by the fact that the authors looked only at runoff and held other variables such as land cover constant, the results could be relevant to other regions that are likely to experience precipitation increases in a warming world.

Not exact matches

Indeed, conventional wisdom held that higher levels of aerosol pollution in the atmosphere should cool the earth's climate because aerosols can increase cloudiness; they not only reduce precipitation, which raises the water content in clouds, but they also increase the size of the individual water droplets, which in turn causes more warming sunlight to be reflected back into space.

«We expect a widespread increase in heavy precipitation due to greenhouse gas warming leading to a moister atmosphere,» explains climatologist Gabriele Hegerl of the University of Edinburgh in Scotland.

The drought in California has been building for more than four years, as winter precipitation deficits slowed streams to a trickle and sent reservoir levels dipping, while unusually warm temperatures increased water demand.

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.

But beyond the increased amount of precipitation, Wehner adds, «this study more generally increases our understanding of how the various processes in extreme storms can change as the overall climate warms.»

Studies by Climate Central and other groups have shown an increase in the odds of some precipitation events from warming.

It needs to be clarified here, that it is hypothetically possible to get more snowfall and snowpack in a globally warming world (at least for a while), due to increased precipitation (which is predicted in a warming world, esp for the higher latitudes) coming down as snow.

Researchers charge global warming with projected significant increases in the frequency of both extreme precipitation and landfalling atmospheric rivers

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.

Projected temperature and precipitation increases may be favorable in the short term for some Montana crops and forage production, but the effects of warming will become increasingly disruptive as they accelerate beyond adaptation thresholds.

In locations that are accustomed to getting snow during the winter, the total amount of snow each year is already decreasing as the planet warms from increasing greenhouse gases; the percentage of precipitation falling as snow is on the decline, with more of it falling as rain.

While there has been a 70 percent increase in heavy precipitation events in the region since 1958, most of that has been in warm weather rainstorms, Ken Kunkel, a researcher at the National Climatic Data Center in Asheville, N.C., said.

«We show that at the present - day warming of 0.85 °C about 18 % of the moderate daily precipitation extremes over land are attributable to the observed temperature increase since pre-industrial times, which in turn primarily results from human influence,» the research team said.

The very increase in absolute humidity that reinforced the warming trend through infrared absorption might lead to increased cloudiness (or indeed to increased precipitation and winter snow cover) and thus, through reflection of insolation, to a considerable buffering of the warming trend.

doi: 10.1130 / G23261A.1 v. 35 no. 3 p. 215 - 218 Abrupt increase in seasonal extreme precipitation at the Paleocene - Eocene boundary B Schmitz, V Pujalte — Geology, 2007 — geology.gsapubs.org A prominent increase in atmospheric CO2 at the Paleocene - Eocene boundary, ca. 55 Ma, led to the warmest Earth of the Cenozoic for ∼ 100 ky High - resolution studies of continental flood - plain sediment records across this boundary....

«The major trends over time are a wintertime WVP and LWP increase south and southwest of Greenland also seen in precipitation, consistent with modification of continental air flowing out over increasingly warmer waters.

The report, «Atmospheric Warming and the Amplification of Precipitation Extremes,» previewed in Science Express this Thursday, August 7, and published in an upcoming issue of Science, found that both observations and models indicated an increase in heavy rainstorms in response to a warmer climate.

In Relationships between Water Vapor Path and Precipitation over the Tropical Oceans, Bretherton et al showed that although the Western Pacific warmer surface waters increased the water in the atmosphere compared to the Eastern Pacific, rainfall was lower in the Western Pacific compared to the Eastern Pacific for equal amounts of water vapor in the atmospheric column — e.g., about 10mm / day in the Western Pacific, versus ~ 20mm / day in the Eastern Pacific at 55 mm water vapor, the peak of the distribution of water vapor amountIn Relationships between Water Vapor Path and Precipitation over the Tropical Oceans, Bretherton et al showed that although the Western Pacific warmer surface waters increased the water in the atmosphere compared to the Eastern Pacific, rainfall was lower in the Western Pacific compared to the Eastern Pacific for equal amounts of water vapor in the atmospheric column — e.g., about 10mm / day in the Western Pacific, versus ~ 20mm / day in the Eastern Pacific at 55 mm water vapor, the peak of the distribution of water vapor amountin the atmosphere compared to the Eastern Pacific, rainfall was lower in the Western Pacific compared to the Eastern Pacific for equal amounts of water vapor in the atmospheric column — e.g., about 10mm / day in the Western Pacific, versus ~ 20mm / day in the Eastern Pacific at 55 mm water vapor, the peak of the distribution of water vapor amountin the Western Pacific compared to the Eastern Pacific for equal amounts of water vapor in the atmospheric column — e.g., about 10mm / day in the Western Pacific, versus ~ 20mm / day in the Eastern Pacific at 55 mm water vapor, the peak of the distribution of water vapor amountin the atmospheric column — e.g., about 10mm / day in the Western Pacific, versus ~ 20mm / day in the Eastern Pacific at 55 mm water vapor, the peak of the distribution of water vapor amountin the Western Pacific, versus ~ 20mm / day in the Eastern Pacific at 55 mm water vapor, the peak of the distribution of water vapor amountin the Eastern Pacific at 55 mm water vapor, the peak of the distribution of water vapor amounts.

Indeed, snowfall is often predicted to increase in many regions in response to anthropogenic climate change, since warmer air, all other things being equal, holds more moisture, and therefore, the potential for greater amounts of precipitation whatever form that precipitation takes.

The range in the CMIP simulations wasn't all that narrow in any case (2 to 4.1 ºC at equilibrium I think), and yes, precipitation is more variable (1 to 3 % increase per degree of warming).

The result is that there is no difference in regional cloud cover trends, neither of precipitation, with increasing contamination and that the contaminated area has more dimming, but warmed more than the less contaminated area.

However, it has been known since the earliest general circulation simulations by Manabe that as the Earth warms in response to increasing CO2, the precipitation increases much more slowly than Clausius - Clapeyron would suggest — typically only 2 - 3 % per degree of warming.

If you were in a situation where there was initially more precipitation than radiative cooling could handle, then the atmosphere could just warm up until the radiative cooling increased — though then you'd have to worry about how much the warming affects precipitation, etc..

I certainly agree that continued warming will increase the frequency of a variety of extremes related to heat, sea level, precipitation, etc. and in fact, some of that is already happening.

So a local spike in precipitation releases a lot of heat — but as the heat increases, this negatively affects the vapor - > water transition (precipitation, or raindrop formation), since warm air holds more water then cool air — and so the limit on precipitation vis - a-vis the radiative balance of the atmosphere appears.

A gentle global increase in precipitation with warming can be made up by localized systems becoming more intense while vast other areas get drier and more sluggish.

It is reasonable to assume that the freshwater input will continue to increase in the future because the earth is warming, causing increasing ice melt and increased precipitation (both over ocean and over land, which yields larger river runoff to the ocean).

Actually global warming is supposed to increase precipitation in Antarctica, not decrease it — as raising the temperature puts more moisture in the air for precipitation.

Given that atmospheric water - holding capacity is expected to increase roughly exponentially with temperature — and that atmospheric water content is increasing in accord with this theoretical expectation (6 — 11)-- it has been suggested that human influenced global warming may be partly responsible for increases in heavy precipitation (3,5,7).

So: The study finds a fingerprint of anthropogenic influences on large scale increase in precipitation extremes, with remaining uncertainties — namely that there is still a possibility that the widespread increase in heavy precipitation could be due to an unusual event of natural variability.The intensification of extreme rainfall is expected with warming, and there is a clear physical mechanism for it, but it is never possible to completely separate a signal of external forcing from climate variability — the separation will always be statistical in nature.

However, higher temperatures do cause an increased chance of heavy precipitation events, and it is likely that the flooding in some of this year's U.S. flooding disasters were significantly enhanced by the presence of more water vapor in the air due to global warming.

A new study co-authored by Francis Zwiers, the director of UVic's Pacific Climate Impacts Consortium, suggests that human - induced global warming may be responsible for the increases in heavy precipitation that have been observed over much of the Northern Hemisphere including North America and Eurasia over the past several decades.

Changes in extreme precipitation projected by models, and thus the impacts of future changes in extreme precipitation, may be underestimated because models seem to underestimate the observed increase in heavy precipitation with warming.

As both evaporation rates and heavy rainfall events increase in a warming world, this lends itself to bigger variations in precipitation.

Warming leads to increased evaporation and precipitation, which falls as increased snow in winter.

The warming of approximately 0.1 — 0.2 °C per decade that has resulted is very likely the primary cause of the increasing loss of snow cover and Arctic sea ice, of more frequent occurrence of very heavy precipitation, of rising sea level, and of shifts in the natural ranges of plants and animals.

First, I thought the prediction was more usually that precipitation will increase, and that much of the strongest warming will be in the cooler parts of the world.

Impact of Global Warming Sea level rising Altered precipitation pattern Change in soil moisture content Increase in some extreme weather More flood more.

Impact of Global Warming Sea level rising Altered precipitation pattern Change in soil moisture content Increase.

Warming temperatures, changes in precipitation, and more extreme weather are projected to increase populations of disease - carrying vectors like mosquitoes with West Nile Virus and of the types of bacteria and toxic algae that contaminate shellfish and recreational waters for activities like swimming and boating.

Large - scale flooding can also occur due to extreme precipitation in the absence of snowmelt (for example, Rush Creek and the Root River, Minnesota, in August 2007 and multiple rivers in southern Minnesota in September 2010).84 These warm - season events are projected to increase in magnitude.

For every degree of global warming, the forest needs a 15 percent increase in precipitation to compensate for the increased drying caused by warming, according to a recent study.

Our warming world is, according to the United Nations Intergovernmental Panel on Climate Change, increasing heat waves and intense precipitation in some places, and is likely to bring more extreme weather in the future.

These methods have been significantly improved by fully coupling the hydrologic cycle among land, lake, and atmosphere.94, 95 Without accounting for that cycle of interactions, a study96 concluded that increases in precipitation would be negated by increases in winter evaporation from less ice cover and by increases in summer evaporation and evapotranspiration from warmer air temperatures, under a scenario of continued increases in global emissions (SRES A2 scenario).

Water levels are influenced by the amount of evaporation from decreased ice cover and warmer air temperatures, by evapotranspiration from warmer air temperatures, and by potential increases in inflow from more precipitation.

Although there is as yet no convincing evidence in the observed record of changes in tropical cyclone behaviour, a synthesis of the recent model results indicates that, for the future warmer climate, tropical cyclones will show increased peak wind speed and increased mean and peak precipitation intensities.

This can be affected by warming temperatures, but also by changes in snowfall, increases in solar radiation absorption due to a decrease in cloud cover, and increases in the water vapor content of air near the earth's surface.2, 14,15,16,17 In Cordillera Blanca, Peru, for example, one study of glacier retreat between 1930 and 1950 linked the retreat to a decline in cloud cover and precipitation.in snowfall, increases in solar radiation absorption due to a decrease in cloud cover, and increases in the water vapor content of air near the earth's surface.2, 14,15,16,17 In Cordillera Blanca, Peru, for example, one study of glacier retreat between 1930 and 1950 linked the retreat to a decline in cloud cover and precipitation.in solar radiation absorption due to a decrease in cloud cover, and increases in the water vapor content of air near the earth's surface.2, 14,15,16,17 In Cordillera Blanca, Peru, for example, one study of glacier retreat between 1930 and 1950 linked the retreat to a decline in cloud cover and precipitation.in cloud cover, and increases in the water vapor content of air near the earth's surface.2, 14,15,16,17 In Cordillera Blanca, Peru, for example, one study of glacier retreat between 1930 and 1950 linked the retreat to a decline in cloud cover and precipitation.in the water vapor content of air near the earth's surface.2, 14,15,16,17 In Cordillera Blanca, Peru, for example, one study of glacier retreat between 1930 and 1950 linked the retreat to a decline in cloud cover and precipitation.In Cordillera Blanca, Peru, for example, one study of glacier retreat between 1930 and 1950 linked the retreat to a decline in cloud cover and precipitation.in cloud cover and precipitation.18

Apart from driving temperatures up, global warming is likely to cause bigger, more destructive storms, leading to an overall increase in precipitation.

Agricultural growing seasons warm at a pace slightly behind the annual temperature trends in most regions, while precipitation increases slightly ahead of the annual rate.