Sentences with phrase «of precipitation change»

There are no regions during JJA where the temperature rises by 6 °C, and 90 per cent or more of the models agree on the sign of the precipitation change (if that change is at least 10 %).
The blue colours indicate regions where all models project a temperature rise of at least 6 °C, and 90 per cent (light blue) or 100 per cent (dark blue) of the models agree on the sign of the precipitation change.
The blue colours indicate regions where all models project a temperature rise of at least 6 °C, and 90 % (light blue) or 100 % (dark blue) of the models agree on the sign of the precipitation change.
Model simulations of the Asian monsoon project that the sulphate aerosols» direct effect reduces the magnitude of precipitation change compared with the case of only greenhouse gas increases (Emori et al., 1999; Roeckner et al., 1999; Lal and Singh, 2001).
Along with increasing temperatures over all regions of the U.S., the pattern of precipitation change is one of general increases at higher northern latitudes and drying in the tropics and subtropics over land.
(3) Satellite temperature data says that climate models are warming too fast in the troposphere, therefore model projections of precipitation change are systematically biased.
«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.
Van de Wal and Wild (2001) find that the effect of precipitation changes on calculated global - average glacier mass changes in the 21st century is only 5 % of the temperature effect.
The CCC forecast of precipitation changes across the Unites States is equally extreme.
Back in 2007, Xuebin Zhang and colleagues compared large - scale observations of precipitation changes with climate model emulations.
The patterns and magnitude of the precipitation changes (scaled to a global mean warming of 4 °C) are similar in the high - end and non-high-end models, although the reductions in precipitation tend to be slightly greater in the high - end models.

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.
Warming temperatures, shifting seasons, changing precipitation, and rising sea levels are disrupting the behavior of our feathered friends and the ecosystems that support them.
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.
«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.
As Cobb explained, climate scientists still lack a good understanding of how climate change will alter precipitation patterns.
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.
Climate change will decrease the volume of precipitation in the Southwest while decreasing the snowpack in the Rockies.
Tom Karl, the head of NOAA's National Climatic Data Center, also cautioned that the science of linking precipitation changes to climate change is complex.
The 2007 International Panel on Climate Change (IPCC), the most authoritative source of climate science, spelled out the likely consequences of inaction, including extreme heat and precipitation, droughts, and rising seas.
«As powerful as the cycle is, it is also surprisingly susceptible to environmental changes — and humankind is imposing massive perturbations on Amazonia by both cutting down the trees and heating up the air with greenhouse gases, which reduces large - scale moisture transport and precipitation, and end up affecting even the untouched patches of the forests.»
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
Combining data on precipitation, topography, habitat changes, dam construction, and pollution, the researchers created detailed maps of the threats to rivers around the world.
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.
Current climate change models indicate temperatures will increase as long as humans continue to emit greenhouse gases into the atmosphere, but the projections of future precipitation are far less certain.
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.
The team uses 30 years of historical precipitation and temperature data — from 1961 to 1990 — as well as eight different scenarios to project future climate changes from 2031 to 2060.
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.
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 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.
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.
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.»
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 military.
Climate model results have long suggested that we would see increased precipitation in the tropics as a result of climate change.
Researchers attributed this to reduced precipitation and snow melt, a change in the type of crops being cultivated and hotter temperatures.
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.
The certainty of the forecasts is particularly important as warming leads to shifts from temperate to subtropical drylands, which leads to changes in precipitation and soil moisture, which in turn has profound effects on ecological services, provided to humanity, including the viability of certain temperate agricultural systems.
Extreme weather does not prove the existence of global warming, but climate change is likely to exaggerate it — by messing with ocean currents, providing extra heat to forming tornadoes, bolstering heat waves, lengthening droughts and causing more precipitation and flooding.
However, carbon dioxide fertilization isn't the only cause of increased plant growth — nitrogen, land cover change and climate change by way of global temperature, precipitation and sunlight changes all contribute to the greening effect.
Starting in the 3rd year of his 5 - year degree at the University of Vigo, Ourense, in Spain, Añel spent 4 hours a week in Luis Gimeno's Group of Atmospheric and Ocean Physics at the university's Department of Applied Physics, computing climate change quantifiers using simple parameters such as precipitation and air temperature.
«Since some of those disease causes may include swings in temperature or precipitation, ultimately which may be related to climate change, we need to focus our efforts on remediating climate change,» he said.
Ongoing climate change caused by human influences will alter the nature of how rain and snow falls; areas that are prone to dry conditions will receive their precipitation in narrower windows of time.
Given the revised timeline in this region, Willenbring and colleagues determined that the increased precipitation resulted from changes in the intensity of the sun's radiation on the Earth, which is based on the planet's tilt in orbit.
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