Sentences with phrase «on global climate patterns»

Therefore, restoration of dryland conditions could have a major impact on global climate patterns.

Not exact matches

The timing of such uplift is important in helping scientists to understand how mountains form, how they erode and what impact this may have on global atmospheric circulation patterns and climate.

However, in a new paper published in Proceedings of the National of Sciences USA (PNAS) scientists from the University of Helsinki, Faculty of Science, show that key environmental parameters, namely climate - related primary productivity, biodiversity, and pathogen stress have strong influence on the global pattern of population densities of ethnographically documented hunter - gatherers.

The poles are on the front lines of climate change — melting ice, thawing permafrost, warming temperatures — but they are also at the forefront of weather patterns, global oceanic circulation and the marine food chain.

So if you think of going in [a] warming direction of 2 degrees C compared to a cooling direction of 5 degrees C, one can say that we might be changing the Earth, you know, like 40 percent of the kind of change that went on between the Ice Age; and now are going back in time and so a 2 - degree change, which is about 4 degrees F on a global average, is going to be very significant in terms of change in the distribution of vegetation, change in the kind of climate zones in certain areas, wind patterns can change, so where rainfall happens is going to shift.

A robust and coherent global pattern is discernible of the impacts of climate change on crop productivity that could have consequences for food availability.

During a Friday morning session titled «Fire and Climate,» Meg Krawchuk, a UC Berkeley «pyrogeographer,» described her efforts to model the impacts of global warming on fire patterns across the world.

He believes that no one has thought of combining the two theories before because it's not an intuitive idea to look at how the effects of changing patterns of ocean circulation, which occur on time scales of thousands of years, would effect global silicate weathering, which in turn controls global climate on time scales of 100s of thousands of years.

And what we see is both how complex climate changes can be and how profound an effect changing patterns of ocean circulation can have on global climate states, if looked at on a geological time scale.»

Since trends in convective rainfall are not easily detected in daily rainfall records, or well - simulated by global or regional climate models, the researchers created a new tool to assess the effects of climate change on rainfall patterns and trends in dryland areas.

Although the rising average global surface temperature is an indicator of the degree of disruption that we have imposed on the global climate system, what's actually happening involves changes in circulation patterns, changes in precipitation patterns, and changes in extremes.

Consequently, there are grave concerns that the rainfall patterns altered by climate change could trigger a forest decline on a global scale.

Axel Timmermann and Tobias Friedrich constructed a numerical model that quantifies the effects of past climate and sea - level change on global human migration patterns over the past 125,000 years.

A recurring cyclical pattern in global or regional climate that often occurs on decadal to sub-decadal timescales.

The Tibetan Plateau in China experiences some of the most extreme weather patterns on Earth, making it an ideal location for Rochester climate scientists to student the complex web of global climate patterns.

oscillation A recurring cyclical pattern in global or regional climate that often occurs on decadal to sub-decadal timescales.

But some ocean patterns in the climate system can persist much longer, and understanding them can help make useful predictions for regional and global averages that don't depend so much on specific weather patterns.

The pilot study, published today in «Proceedings of the National Academy of Sciences,» sheds light on the climate system of a region whose rainfall patterns have a major impact on global climate.

Proponents of NASA's Earth - studies programs said the space agency has contributed a great deal to scientists» understanding of global weather patterns and trends, including the effects of climate change on the environment.

The gathered nations, as had been anticipated, agreed on little more than a pledge to enter «full negotiating mode» to complete a new climate treaty within a year and a legal structure for a new global fund to help poor countries deal with the effects of changing climate patterns.

Natural, large - scale climate patterns like the PDO and El Niño - La Niña are superimposed on global warming caused by increasing concentrations of greenhouse gases and landscape changes like deforestation.

2) Anthropogenic global warming will not affect the Arctic (or any other region) solely by increasing local temperatures, but also by its complex effects on climate as a whole, which includes affects on patterns of wind and ocean currents.

Subsequent work indicated that the polar ozone hole (starting in the early 80s) was having an effect on polar winds and temperature patterns (Thompson and Solomon, 2002; Shindell and Schmidt, 2004), showing clearly that regional climate changes can sometimes be decoupled from the global picture.

For a long time there's been a strong perception among those of us tracking research on human - caused global warming that meteorologists are more apt to doubt that humans could dangerously disrupt climate than the much smaller community of climatologists studying the overall climate system and what influences its patterns.

But it does say; «Natural climate variations, which tend to involve localized changes in sea surface temperature, may have a larger effect on hurricane activity than the more uniform patterns of global warming...»

James E. Hansen, the head of Goddard and an outspoken campaigner for prompt cuts in greenhouse - gas emissions, explained that the decades - long global warming trend and patterns of warming remain consistent with a growing influence on climate from the planet's building blanket of heat - trapping greenhouse gases.

For years, there's been a building chorus of warnings on the looming prospect of «climate conflict» and «global warring» that might be set off as greenhouse - driven warming disrupts longstanding weather patterns in already - turbulent parts of the world (think sub-Saharan Africa) or rising seas dislocate coastal populations (think Bangladesh).

Climate alarm depends on several gloomy assumptions — about how fast emissions will increase, how fast atmospheric concentrations will rise, how much global temperatures will rise, how warming will affect ice sheet dynamics and sea - level rise, how warming will affect weather patterns, how the latter will affect agriculture and other economic activities, and how all climate change impacts will affect public health and wClimate alarm depends on several gloomy assumptions — about how fast emissions will increase, how fast atmospheric concentrations will rise, how much global temperatures will rise, how warming will affect ice sheet dynamics and sea - level rise, how warming will affect weather patterns, how the latter will affect agriculture and other economic activities, and how all climate change impacts will affect public health and wclimate change impacts will affect public health and welfare.

They found periods of predominantly El Niño - like patterns for several hundred years that alternate with La Niña patterns, impacting on global climate over the last 2000 years.

«Spatially resolved global reconstructions of annual surface temperature patterns over the past six centuries are based on the multivariate calibration of widely distributed high - resolution proxy climate indicators.

Changes in the ocean can cause dramatic changes to climate and weather patterns on a global scale.

Like the climate scientists on RealClimate contend, Kolbert notes that no particular storm can be caused by global warming, but that the long - term patterns don't look good... increased greenhouse gases = warmer oceans = more destructive hurricanes.

I would say that's weather not climate change but I already got the lecture on how global warming causes freezing in the prairies by disrupting wind patterns so more cold air gets drawn down from the arctic warming it more so ice melts more, or some such folderol.

«These findings show that climate change can have dramatic effects on human societies and highlight the necessity to understand the effect of global warming on rainfall patterns in China and all over the world,» the authors write.

Here, we measure the current pattern of global climate change equity, and assess whether the situation will improve or worsen by 2030, using data on GHG emissions17 and newly available national climate change vulnerability assessments18.

More Scientific Evidence For CO2's Dubious Climate Impact Emerges Image Source: Robertson and Chilingar, 2017 According to the most basic precepts of anthropogenic global warming (AGW), variations in CO2 concentrations exert significant control on sea surface temperatures, glaciers, sea levels, and generalized climate dynamics (i.e., precipitation patClimate Impact Emerges Image Source: Robertson and Chilingar, 2017 According to the most basic precepts of anthropogenic global warming (AGW), variations in CO2 concentrations exert significant control on sea surface temperatures, glaciers, sea levels, and generalized climate dynamics (i.e., precipitation patclimate dynamics (i.e., precipitation patterns).

The supposed stable configuration of geography, with relatively predictable climate patterns, coastlines and icepacks in familiar locations, and clear demarcations of territorial control on land are increasingly dubious assumptions as weather patterns change, sea levels rise and ice packs disintegrate while technological innovations, communications and global markets cause rapid fluctuations in the price in food and other essentials across boundaries.

«Increasing weather volatility or other long - term changes in global weather patterns, including any changes associated with global climate change, could have a significant impact on the price or availability of some of our ingredients... we may choose to temporarily suspend serving menu items, such as guacamole or one or more of our salsas...» — Chipotle 2013 Annual Report

... «When you hear a phrase like he said, «the highest ever,» you know, «off the charts,» «record setting,» that's a good sign that on top of a whatever local weather patterns there are or regional like El Nino, global warming, fossil fuel driven climate change is putting its finger on the scale and juicing the atmosphere and causing the even bigger weather event than you would have otherwise seen.»

Requires the Director of the National Science Foundation and the Administrator of the National Oceanic and Atmospheric Administration (NOAA) to enter into an arrangements with NAS to study: (1) the current status of ice sheet melt, as caused by climate change, with implications for global sea level rise; and (2) the current state of the science on the potential impacts of climate change on patterns of hurricane and typhoon development and the implications for hurricane - prone and typhoon - prone coastal regions.

The activists say our influence on climate is evident in «altered rainfall patterns,» but in this they are at odds with their fellow - activists at the ill - fated Intergovernmental Panel, whose special report on extreme weather (2012) and whose fifth and most recent (2013) Assessment Report on the climate question find little or no evidence of a link between our industries and enterprises on the one hand and global rainfall patterns on the other.

While those natural disasters in the United States play only a small role in the World Meterological Organization's (WMO) report on extreme weather events in 2011, there is a tendency to try to link the underlying weather patterns to changes in the global climate.

«The authors write that «the El Niño - Southern Oscillation (ENSO) is a naturally occurring fluctuation,» whereby «on a timescale of two to seven years, the eastern equatorial Pacific climate varies between anomalously cold (La Niña) and warm (El Niño) conditions,» and that «these swings in temperature are accompanied by changes in the structure of the subsurface ocean, variability in the strength of the equatorial easterly trade winds, shifts in the position of atmospheric convection, and global teleconnection patterns associated with these changes that lead to variations in rainfall and weather patterns in many parts of the world,» which end up affecting «ecosystems, agriculture, freshwater supplies, hurricanes and other severe weather events worldwide.»»

It should also be remembered that solar forcing affects the NH climate disproportionately stronger than the global climate due to high energy UV effects on the jet stream patterns.

By examining the spatial pattern of both types of climate variation, the scientists found that the anthropogenic global warming signal was relatively spatially uniform over the tropical oceans and thus would not have a large effect on the atmospheric circulation, whereas the PDO shift in the 1990s consisted of warming in the tropical west Pacific and cooling in the subtropical and east tropical Pacific, which would enhance the existing sea surface temperature difference and thus intensify the circulation.

(6/3/2007) The Amazon basin is home to the world's largest rainforest, an ecosystem that supports perhaps 30 percent of the world's terrestrial species, stores vast amounts of carbon, and exerts considerable influence on global weather patterns and climate.

«The authors write that North Pacific Decadal Variability (NPDV) «is a key component in predictability studies of both regional and global climate change,»... they emphasize that given the links between both the PDO and the NPGO with global climate, the accurate characterization and the degree of predictability of these two modes in coupled climate models is an important «open question in climate dynamics» that needs to be addressed... report that model - derived «temporal and spatial statistics of the North Pacific Ocean modes exhibit significant discrepancies from observations in their twentieth - century climate... conclude that «for implications on future climate change, the coupled climate models show no consensus on projected future changes in frequency of either the first or second leading pattern of North Pacific SST anomalies,» and they say that «the lack of a consensus in changes in either mode also affects confidence in projected changes in the overlying atmospheric circulation.»»

Decadal variations in the North Pacific Gyre Oscillation are characterized by a pattern of sea surface temperature anomalies that resemble the central Pacific El Niño, a dominant mode of interannual variability with far - reaching effects on global climate patterns5, 6, 7.

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