Sentences with phrase «impact of changing precipitation»

Not exact matches

«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».

Human - induced climate change, which affects temperature, precipitation and the nature of extreme events, is increasingly driving biodiversity loss and the reduction of nature's contributions to people, worsening the impact of habitat degradation, pollution, invasive species and the overexploitation of natural resources.»

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 military.

Seasonal changes in precipitation and water storage make it difficult for modelers to estimate water availability and impacts of interventions, and the effects of climate change can be difficult to tease out from other impacts like human activities.

«Looking at changes in the number of dry days per year is a new way of understanding how climate change will affect us that goes beyond just annual or seasonal mean precipitation changes, and allows us to better adapt to and mitigate the impacts of local hydrological changes,» said Polade, a postdoctoral researcher who works with Scripps climate scientists Dan Cayan, David Pierce, Alexander Gershunov, and Michael Dettinger, who are co-authors of the study.

«Some fungal outbreaks over the past couple of decades, such as Dothistroma needle blight, could likely have been anticipated by tracking how temperature and precipitation were changing together,» said Mahony, who has worked as a forester in British Columbia for 10 years and has witnessed the impacts of climate change on the ground.

'' [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.

Key weather and climate drivers of health impacts include increasingly frequent, intense, and longer - lasting extreme heat, which worsens drought, wildfire, and air pollution risks; increasingly frequent extreme precipitation, intense storms, and changes in precipitation patterns that lead to drought and ecosystem changes (Ch.

These climate changes have measurable effects, like reductions in ground and surface water resources due to changing timing of precipitation and snowmelt, and measurable impacts like declining forest health and more wildfires, to altered crop seasons and greater irrigation demand.

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.

Within the integrated Earth system science paradigm, our major research thrusts include the physics and chemistry of aerosols, clouds and precipitation; integrating our understanding of climate, energy, and other human and natural systems through the development and application of models that span a wide range of spatial scales; and determining the impacts of and informing responses to climate and other global and regional environmental changes.

Anthropogenic climate change is expected to have an impact on these types of events: warm temperature extremes and heavy precipitation extremes have -LSB-...]

In terms of economic impact, changes in temperature and precipitation patterns may result in damage to tourism and other strategic economic sectors with growth potential such as high - value - added agriculture.

Malone has expertise in addressing the impact of glaciers on the water cycle, combined with how precipitation may change in quantity and timing, which come together in the Himalaya.

The assessment considered the impacts of several key drivers of climate change: sea level change; alterations in precipitation patterns and subsequent delivery of freshwater, nutrients, and sediment; increased ocean temperature; alterations in circulation patterns; changes in frequency and intensity of coastal storms; and increased levels of atmospheric CO2.

«Thus changes in the pattern of R could directly influence that of precipitation, regardless of any impact on the global mean radiation budget.»

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.

Jerry's research team has developed and uses a simulation model, the Terrestrial Ecosystem Model (TEM), to consider the impacts of various aspects of global change — climate, chemistry of the atmosphere and precipitation, land cover and land use — on the structure and function of terrestrial ecosystems across the globe.

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.

Key weather and climate drivers of health impacts include increasingly frequent, intense, and longer - lasting extreme heat, which worsens drought, wildfire, and air pollution risks; increasingly frequent extreme precipitation, intense storms, and changes in precipitation patterns that lead to drought and ecosystem changes (Ch.

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.

Recognizing that the impacts of changes in the frequency and intensity of these storms can easily exceed the impacts of changes in average temperature or precipitation, climate scientists are actively researching the connections between climate change and severe storms.

Projected impacts of climate change include extended periods of drought and, on the other hand, loss of soil fertility and degradation as a result of increased precipitation, both of which will negatively impact on agriculture and food security.

Scientists already know how climate change is impacting the Western United States — higher temperatures have translated to earlier spring snow melts, precipitation is falling more as rain instead of snow at higher elevations and there's reduced runoff and streamflow.

The purpose of this study is to examine the impact of the NAO on projected changes in winter (December - March average) terrestrial surface air temperature (SAT) and precipitation (P) over the next 30 — 50 years.

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.»

The impacts of climate change on freshwater systems and their management are mainly due to the observed and projected increases in temperature, sea level and precipitation variability (very high confidence).

Changed pattern and quantity of precipitation in concert with temperature extremes manifests itself in a number of catastrophic outcomes like drought, slides, snowmelts, floods, agricultural productivity loss, and upsurge in diseases which impact both the natural and the human systems [continue reading...]

Another study examined the potential flood damage impacts of changes in extreme precipitation events using the Canadian Climate Centre model and the IS92a emissions scenario for the metropolitan Boston area in the north - eastern USA (Kirshen et al., 2005b).

CAS = Commission for Atmospheric Sciences CMDP = Climate Metrics and Diagnostic Panel CMIP = Coupled Model Intercomparison Project DAOS = Working Group on Data Assimilation and Observing Systems GASS = Global Atmospheric System Studies panel GEWEX = Global Energy and Water Cycle Experiment GLASS = Global Land - Atmosphere System Studies panel GOV = Global Ocean Data Assimilation Experiment (GODAE) Ocean View JWGFVR = Joint Working Group on Forecast Verification Research MJO - TF = Madden - Julian Oscillation Task Force PDEF = Working Group on Predictability, Dynamics and Ensemble Forecasting PPP = Polar Prediction Project QPF = Quantitative precipitation forecast S2S = Subseasonal to Seasonal Prediction Project SPARC = Stratospheric Processes and their Role in Climate TC = Tropical cyclone WCRP = World Climate Research Programme WCRP Grand Science Challenges • Climate Extremes • Clouds, Circulation and Climate Sensitivity • Melting Ice and Global Consequences • Regional Sea - Ice Change and Coastal Impacts • Water Availability WCRP JSC = Joint Scientific Committee WGCM = Working Group on Coupled Modelling WGSIP = Working Group on Subseasonal to Interdecadal Prediction WWRP = World Weather Research Programme YOPP = Year of Polar Prediction

Greater cropping systems diversity can also help mitigate risks associated with the impacts of global climate change, which will drive more extreme and variable weather events, not to mention sustained temperature and precipitation changes that will impact agricultural production.

But you start running those scenarios through the climate models and what you realize very quickly when you look at the output is that those modest changes in precipitation really pale in significance compared to the impact of temperature.

Despite a half century of climate change that has significantly affected temperature and precipitation patterns and has already had widespread ecological and hydrological impacts, and despite a near certainty that the United States will experience at least as much climate change in the coming decades, just as a result of the current atmospheric concentrations of greenhouse gases, those organizations in the public and private sectors that are most at risk, that are making long - term investments and commitments, and that have the planning, forecasting and institutional capacity to adapt, have not yet done so.

For example, projected changes in temperature or precipitation and the likely impact on at - risk values may be better described using analogies to more familiar risks (though more research in evaluating the effectiveness of analogies as climate communication tools is needed; e.g. (Raimi et al 2017)-RRB-.

In the video below «Influence of Arctic sea ice on European summer precipitation (2013)», Dr James Screen explains the impacts of climate change on farming and flooding.

Anticipated changes include melting glaciers and polar ice, more extreme precipitation events, agricultural impacts, wildfires, heat waves, increased incidence of some infectious diseases, sea level rise, ocean acidification, and increased hurricane intensity.

Broadening the concept of radiative forcing in this way allows consideration of climate variables that may have more direct societal impacts, such as changes in precipitation.

The diagrams can be used to define the limits of temperature / precipitation change to be employed in climate impact sensitivity studies.

Process - based studies have focused on understanding the role of the land surface on climate, with research looking into the regional impact of historical or hypothetical (future scenario) land - use change on climate, as well as understanding diurnal - scale relationships between surface fluxes of heat and moisture and subsequent atmospheric processes such as convection and the generation of precipitation.

But California droughts are also fundamentally linked to the quantities and timing of precipitation, the dynamics of storm formation in the Pacific Ocean, the impacts of climate change on the frequency and intensity of El Niño and La Niña events and the Pacific Decadal Oscillation, and the behavior of the jet stream as conditions in the Arctic change.

Identify the impacts of a changing climate on sea ice loss; sea ice loss on patterns of atmospheric circulation and precipitation; oceanic circulation both within and beyond the Arctic, including the meridional overturning circulation in the Atlantic Ocean; and weather patterns in middle latitudes.

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.

GAO representatives visited 15 military installations, and at 12 of them found officials who said they had observed not only rising temperatures, stronger and more frequent storms, and changing precipitation patterns, but had also seen how those changes created «potential impacts of mission vulnerabilities,» the report said.

Lower case a-h refer to how the literature was addressed in terms of up / downscaling (a — clearly defined global impact for a specific ΔT against a specific baseline, upscaling not necessary; b — clearly defined regional impact at a specific regional ΔT where no GCM used; c — clearly defined regional impact as a result of specific GCM scenarios but study only used the regional ΔT; d — as c but impacts also the result of regional precipitation changes; e — as b but impacts also the result of regional precipitation change; f — regional temperature change is off - scale for upscaling with available GCM patterns to 2100, in which case upscaling is, where possible, approximated by using Figures 10.5 and 10.8 from Meehl et al., 2007; g — studies which estimate the range of possible outcomes in a given location or region considering a multi-model ensemble linked to a global temperature change.

It's crucial to note that while overall precipitation is predicted to go up in Canada, that precipitation will come in winter, not in summer during the growing season, says geographer David Sauchyn, a professor at the University of Regina, who recently led a federal government study on the impacts of climate change on the prairies.

Within the Indus basin, reduced melt water will have significant impacts upon available runoff; however, increased uncertainties surrounding precipitation and socioeconomic changes limit any conclusive assessment of how water availability will be affected; moreover, seasonality of runoff may be a more important factor.

Instead, I was surprised to learn that Western North Carolina is predicted to have longer periods of extreme drought and wildfires, punctuated by heavier, extreme precipitation events (according to the latest National Climate Assessment, a summary of the expected impacts of climate change on the United States).

However, changes in resource levels, pollution, temperature, precipitation, etc. estimated by the IAMs can not, in turn, impact levels of these Human System variables and properties because they are exogenous to the IAMs.