Sentences with phrase «future changes in precipitation»

Projections of future changes in precipitation show small increases in the global average but substantial shifts in where and how precipitation falls.
Working from collision data from Transport Canada, weather data from Environment Canada and the output of regional climate models, they explored how future changes in precipitation could effect road safety in the Greater Vancouver area.

Not exact matches

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.
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.
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.
«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
These models can then be mapped against climate forecasts to predict how phenology could shift in the future, painting a picture of landscapes in a world of warmer temperatures, altered precipitation and humidity, and changes in cloud cover.
A team of scientists from Vanderbilt and Stanford universities have created the first comprehensive map of the topsy - turvy climate of the period and are using it to test and improve the global climate models that have been developed to predict how precipitation patterns will change in the future.
'' [S] ea - ice loss of the magnitude expected in the next decades could substantially impact California's precipitation, thus highlighting another mechanism by which human - caused climate change could exacerbate future California droughts,» the study says.
Changes in precipitation patterns and possibly decreased precipitation in some parts of Africa, which will be unable to support crops and human habitation in the future, would have repercussions, said Roger - Mark De Souza, director of population, environmental security and resilience at the Woodrow Wilson International Center for Scholars.
However, if changes in climate and / or future development result in higher demand and higher capacity withdrawals, we may begin to see long - term declines, regardless of precipitation patterns.
If small domestic withdrawals continue to characterize use in the Madison Limestone aquifer, we can expect the Madison Limestone aquifer to follow short - and long - term patterns in mountain precipitation that result from future climate change.
Daniel Swain and colleagues model how the frequency of these rapid, year - to - year transitions from extreme dry to wet conditions — which they dub «precipitation whiplash events» — may change in California's future as a consequence of man - made warming.
For this assessment, we primarily focus on just two: how climate change will affect Montana's temperature and precipitation in the future.
Global climate projections from the Intergovernmental Panel on Climate Change, showing temperature and precipitation trends for two different future scenarios, as described in the Climate chapter of this assessment (IPCC 2014a).
However, it is expected that — given the combination of changes in precipitation variability, changed snowpack, and rising temperatures — future droughts will be more severe when they do occur.
Climate model projections show a warmer Montana in the future, with mixed changes in precipitation, more extreme events, and mixed certainty on upcoming drought.
In the context of future changes in the atmospheric hydrological cycle, understanding precipitation changes in the subtropics is of particular importance givIn the context of future changes in the atmospheric hydrological cycle, understanding precipitation changes in the subtropics is of particular importance givin the atmospheric hydrological cycle, understanding precipitation changes in the subtropics is of particular importance givin the subtropics is of particular importance given
This document provides basic information on projected future climate change effects (changes in temperature, precipitation, storm activity and sea level rise) over the near term, mid-century and end - of - century.
And while that might make sense for the current situation, it is much harder to understand for forecasts one week out (where the chance of precipitation might change from 80 % to 40 % to 20 % to 60 % in a one - hour span for a period six days in the future).
It is quite strange that this paper seems to review future of tropical rainforest in the face of rising CO2 and rising temperature — unfortunately, it completely lacks to mention change in precipitation, which is just - another - very - important (climate change) metric — and it completely fails to mention modelling work of Peter Cox group — that predicts decline in rain forest productivity and growth due to decline in precipitation..
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.
Understanding past changes in the characteristics of such events, including recent increases in the intensity of heavy precipitation events over a large part of the Northern Hemisphere land area (3 — 5), is critical for reliable projections of future changes.
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 wChanges 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 wchanges in extreme precipitation, may be underestimated because models seem to underestimate the observed increase in heavy precipitation with warming.
Future crop yields will be more strongly influenced by anomalous weather events than by changes in average temperature or annual precipitation (Ch.
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.
Changes in the global climate system have also affected the seasonal distribution and total precipitation in Maine, the UMaine Climate Future report noted.
Future changes in air temperature and precipitation are also projected to change stream temperature, which will impact the health and habitats of local ecosystems — more than many people realize.
While there was no apparent change in drought duration in the Midwest region as a whole over the past century, 90 the average number of days without precipitation is projected to increase in the future.
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.
It started with computer projections of future temperature rise along with changes in precipitation, soil moisture and so forth.
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 cPrecipitation 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..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 cPrecipitation 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..future precipitation will increase or decrease over California, which has impeded efforts to anticipate and adapt to human - induced climate cprecipitation will increase or decrease over California, which has impeded efforts to anticipate and adapt to human - induced climate change........
A new report by the New York City Panel on Climate Change details significant future increases in temperature, precipitation and sea level in the New York metropolitan area.
The relationship between SSTs and spatial gradients in changes in (extreme) precipitation is an important finding for analysing necessary measures to anticipate future changes in the spatial and temporal distribution of rainfall in the country.
Output from global circulation models indicates that climate variability will continue to be an important characteristic of the region in the future [52], but that climate change may increase the risk of extreme climatic events such as multi-decade droughts and extreme winter precipitation [53], [54].
The way that our precipitation will change in the future is pretty much dictated by what happens to those large storms.»
The researchers used recent historical data and not climate modeling, so the study does not make any future predictions, but Swain says the findings appear to be consistent with other climate research that reveals there is little change in average precipitation, but an increase in the amount of very wet or very dry periods.
Drought is expected to increase in frequency and severity in the future as a result of climate change, mainly as a consequence of decreases in regional precipitation but also because of increasing evaporation driven by global warming1 — 3.
Overall, there is low confidence in the projections of specifically how climate change will impact future precipitation on a subregional scale, and thus in projections of how climate change might impact the availability of water resources.
A sentence in Chapter 13 of the 2007 IPCC Fourth Assessment Report on Impacts, Adaptation and Vulnerability states: «Up to 40 percent of the Amazonian forests could react drastically to even a slight reduction in precipitation; this means that the tropical vegetation, hydrology and climate system in South America could change very rapidly to another steady state, not necessarily producing gradual changes between the current and the future situation.»
Such a central, overall finding is significant considering Degener notes that future temperatures and precipitation within the model both changed in a way that was «detrimental to the growth of crops» (higher temperatures and less precipitation).
These figures illustrate the way the probability distribution of future global mean temperature change under a high - emissions scenario is linked to different potential changes in temperature and precipitation at a county - level.
The authors tried to constrain the global - mean future precipitation change simulated by the set of climate models participating in the CMIP2 model intercomparison project through observable temperature variability and a simple energetic framework.
In comparison, the researchers say that a number of the global models used in previous studies of future climate change predict too frequent precipitation that often falls too early in the daIn comparison, the researchers say that a number of the global models used in previous studies of future climate change predict too frequent precipitation that often falls too early in the dain previous studies of future climate change predict too frequent precipitation that often falls too early in the dain the day.
Obviously, climate models whose hindcasts differ in sign from what is observed (Zhang et al., 2007), or which indicate that human influences are indistinguishable from natural changes (Sarojini et al., 2012) possess no skill in identifying a human - induced climate signal on observed precipitation across the U.S. and therefore should not be used to make future projections.
Even worse, climate models seemingly underestimate how much precipitation has changed already — further reducing confidence in their ability to project future changes.
Future change of precipitation extremes in Europe: Intercomparison of scenarios from regional climate models.
In concert with the results for increased extremes of intense precipitation, even if the wind strength of storms in a future climate did not change, there would be an increase in extreme rainfall intensitIn concert with the results for increased extremes of intense precipitation, even if the wind strength of storms in a future climate did not change, there would be an increase in extreme rainfall intensitin a future climate did not change, there would be an increase in extreme rainfall intensitin extreme rainfall intensity.
Discussions of future impacts from changes in precipitation resulting from human emissions of greenhouse gases are everywhere in the report and they are usually bad — increased droughts, floods, and longer dry spells, for example.
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