Sentences with phrase «precipitation changes in»

a recent study of annual precipitation changes in California using 25 [climate] model projections indicates that «12 projections show drier annual conditions by the 2060s and 13 show wetter.»
There were also a few small areas over northern Africa, Alaska and the adjacent part of eastern Russia (Chukotka) where larger precipitation changes in the high - end models were projected, but these areas are small.
Abstract The Key Role of Heavy Precipitation Events in Climate Model Disagreements of Future Annual Precipitation Changes in California Climate model simulations disagree on whether future precipitation will increase or decrease over California, which has impeded efforts to anticipate and adapt to human - induced climate change........
Models disagree on annual mean precipitation changes in the NA monsoon region.
Bonfils, C.J.W., B.D. Santer, T.J. Phillips, K. Marvel, L.R. Leung, C. Doutriaux, and A. Capotondi, 2015: Relative contributions of mean - state shifts and ENSO - driven variability to precipitation changes in a warming climate.
This paper demonstrates there is a glimmer of hope on the horizon for new climate simulation technology to crack the difficult problem of projecting future summer precipitation changes in continental interiors.
Although there is still some disagreement in the preliminary results (eg the description of polar ice caps), a lot of things appear to be quite robust as the climate models for instance indicate consistent patterns of surface warming and rainfall trends: the models tend to agree on a stronger warming in the Arctic and stronger precipitation changes in the Topics (see crude examples for the SRES A1b scenarios given in Figures 1 & 2; Note, the degrees of freedom varies with latitude, so that the uncertainty of these estimates are greater near the poles).
In the context of future changes in the atmospheric hydrological cycle, understanding precipitation changes in the subtropics is of particular importance given
This does not necessarily mean the mechanisms driving precipitation changes in climate models are wrong.
«Now we can compare precipitation changes in various parts of Europe, Asia, and North America for the past twelve centuries.
«This is one of the most representative records of precipitation changes in the eastern Pacific, and it goes a good way toward explaining seasonal tropical rain band and El Niño dynamics,» said first author Daniel Nelson, who did the research for his UW doctorate in oceanography.

Not exact matches

The Nordic region relies on hydroelectric power for more than 50 percent of its power generation, and change in precipitation is an important factor in setting prices.
Climatic variability like precipitation changes or increase in extreme events such as storms and tropical cyclones is known to significantly modify the Earth's surface.
Indeed, Arctic change in the last two decades has been profound — not just dwindling sea ice, but also noticeably increased precipitation, and thus snow cover, over Eurasia.
Climate change is having a dramatic impact on Earth's biodiversity, by causing rapid fluctuations in temperature and precipitation that alter species» environments.
Although the study does not directly identify a link between this type of variation and current climate change vulnerability, these precipitation - linked variables could be a source of vulnerability in the future, Bay and her colleagues noted.
Warming climate is projected to make many now - dry areas dryer, in part by changing precipitation patterns.
The difference among the recharge projections from the 11 global change models reflects the difference in future regional precipitation that the models project, the authors write.
«Higher temperatures and changes in precipitation result in pressure on yields from important crops in much of the world,» says IFPRI agricultural economist Gerald Nelson, an author of the report, «Climate Change, Agriculture, and Food Security: Impacts and Costs of Adaptation to 2050».
Climate change is likely to influence rainfall patterns in the Sierra Nevada as well as the amount of dust that makes its way into the atmosphere, so the hope is that a better understanding of how aerosols affect precipitation will help water managers in the future.
Long - term changes in temperature and precipitation are making some rivers flood days, weeks or even months earlier than they did 50 years ago, and pushing flooding in other areas much later, researchers report August 11 in Science.
«Changes in recharge don't necessarily map onto changes in precipitation even at a very local scale,» MeixneChanges in recharge don't necessarily map onto changes in precipitation even at a very local scale,» Meixnechanges in precipitation even at a very local scale,» Meixner said.
With changes in precipitation levels and the availability of water, their livelihoods and their ability to stay on the soil that they've been tilling will be affected badly.
According to research in the September Nature Climate Change, precipitation patterns in the area have increased, which may help larger glaciers such as this one stick around a while longer.
Climate change will decrease the volume of precipitation in the Southwest while decreasing the snowpack in the Rockies.
«It is very hard to attribute a specific human contribution to a change in precipitation, although we do have more confidence in the changes in heat,» Karl said.
«This record shows that there have been quite large changes in El Niño precipitation in this area in the past, and that we might expect large changes in the future,» Nelson said.
«If we can understand the mechanisms that caused these changes, then we can better predict how precipitation might change in the future.»
Countless additional forces — melting ice sheets, shifts in precipitation, changes in atmospheric and oceanic circulation, to name a few — will influence the process as well.
Boersma and Rebstock looked at the cause of every recorded chick mortality in an Argentinian colony of Magellanic penguins, over a nearly 30 - year period, and compared these with changes in temperature and precipitation over the same time.
«We realized in 2013 that there was almost no data on the drought resistance of Amazonian canopy trees, and several recent droughts raised the question of how these trees would fare if climate change caused increased anomalies in precipitation
Hantavirus, the pulmonary disease spread by rodents, for example, has been linked to changes in precipitation.
Attributable human - induced changes in the likelihood and magnitude of the observed extreme precipitation during Hurricane Harvey.
The gathering will draw approximately 400 representatives from other Arctic nations and interested foreign observers, and will give Obama a platform to highlight how changes in the Arctic will affect the rest of the world by accelerating warming, contributing to sea - level rise and changing precipitation patterns at lower altitudes.
The results show that the correlation between climate change — i.e. the variation in temperature and precipitation between glacials and interglacials — and the loss of megafauna is weak, and can only be seen in one sub-region, namely Eurasia (Europe and Asia).
These findings from University of Melbourne Scientists at the ARC Centre of Excellence for Climate System Science, reported in Nature Climate Change, are the result of research looking at how Australian extremes in heat, drought, precipitation and ocean warming will change in a world 1.5 °C and 2 °C warmer than pre-industrial condiChange, are the result of research looking at how Australian extremes in heat, drought, precipitation and ocean warming will change in a world 1.5 °C and 2 °C warmer than pre-industrial condichange in a world 1.5 °C and 2 °C warmer than pre-industrial conditions.
It turns out that the steady dripping of water deep underground can reveal a surprising amount of information about the constantly changing cycles of heat and cold, precipitation and drought in the turbulent atmosphere above.
«Furthermore, our work focuses on increases / decreases in temperatures, but similar analyses are needed to estimate consensus changes in other meteorological variables such as precipitation.
To see how increased temperatures might contribute to the reductions in the river's flow that have been observed since 2000, Udall and Overpeck reviewed and synthesized 25 years of research about how climate and climate change have and will affect the region and how temperature and precipitation affect the river's flows.
«In general, the amount of precipitation is increasing but also the kind of precipitation is changing,» said McFadden, an associate professor in UCSB's Department of GeographIn general, the amount of precipitation is increasing but also the kind of precipitation is changing,» said McFadden, an associate professor in UCSB's Department of Geographin UCSB's Department of Geography.
Experiments Prather and her team conducted in California's Sierra Nevada produced the first conclusive evidence that dust aerosols can change the amount of precipitation produced by clouds.
ADVANCES: Meteorologists can now detect precipitation changes at a smaller scale, making it much easier to forecast flash floods, says Jonathan Gourley, a research hydrologist at the National Severe Storms Laboratory in Norman, Okla..
He launched the Village Ecodynamics Project in 2001 to simulate how virtual Pueblo Indian families, living on computer - generated and geographically accurate landscapes, likely would have responded to changes in specific variables like precipitation, population size and resource depletion.
To produce visualizations that show temperature and precipitation changes similar to those included in the IPCC report, the NASA Center for Climate Simulation calculated average temperature and precipitation changes from models that ran the four different emissions scenarios.
The changes shown in these maps compare an average of the model projections to the average temperature and precipitation benchmarks observed from 1971 - 2000.
Widening of the tropics would also probably be associated with poleward movement of major extratropical climate zones due to changes in the position of jet streams, storm tracks, mean position of high and low pressure systems, and associated precipitation regimes.
Dry places are expected to get drier with climate change, while wet places are expected to get wetter, but Crouch said that the particular precipitation pattern seen in June isn't what is expected in a warming world, according to the National Climate Assessment that was released in May.
Based on research led by University of Cincinnati geologist Eva Enkelmann in the St. Elias Mountain Range — located along the Pacific coastal region of North America — the way a mountain range moves and behaves topographically can also change and create its local climate by redirecting wind and precipitation.
In late June, the U.S. Government Accountability Office released an assessment of how the consequences of climate change, from rising temperatures and sea levels to changes in precipitation patterns and sea ice cover, might impact the militarIn late June, the U.S. Government Accountability Office released an assessment of how the consequences of climate change, from rising temperatures and sea levels to changes in precipitation patterns and sea ice cover, might impact the militarin precipitation patterns and sea ice cover, might impact the military.
Uncertainty about rain, little uncertainty about sea level rise Climate change could also affect precipitation in California, though the two models USGS used in its research produced different results.
a b c d e f g h i j k l m n o p q r s t u v w x y z