Sentences with phrase «with rainfall patterns»

The results indicate that in present and past the Atlantic Ocean surface currents correlate with rainfall patterns in the Western Hemisphere.

Not exact matches

Weather forecasters use total rainfall figures to predict floods, and climatologists use the estimates to gauge how rain patterns are changing with climate change.
The scientists warn that climate change threatens these habitats, not only from rising temperatures increasing peat decomposition, but also via altered rainfall patternswith summer droughts drastically affecting the blanket bog hydrology.
«As rainfall patterns change with climate change, it's predicted there will be more times of drought, and more times of excessive rainfall — really big storms,» said Terry Loecke, assistant professor of environmental studies at the University of Kansas and lead author of the new investigation.
Shifting rainfall patterns may send 10 to 40 percent more water filled with dissolved bits of organic debris into many coastal areas by 2100.
Wrestling with natural variability Scientists have looked for these changes in rainfall patterns, but they are often difficult to distinguish because there is so much natural variability in precipitation.
Brawn's team looked at the relationship between population growth rates and the length of the dry season during those 33 years, then simulated another 50 years with an average of a 10 percent change in the rainfall pattern in Panama's dry season.
It was amazing to see how our results, when combined with work of many other research groups and compared to the newest generation of climate models, revealed a consistent story about how rainfall patterns were altered in the past.»
In the article, «The Natural and Social History of the Indigenous Lands and Protected Areas Corridor of the Xingu River Basin,» the authors cite original interviews with indigenous leaders who note significant changes in the forest's rainfall patterns, river levels, fires and agriculture cycles their groups have relied on for thousands of years.
My research indicates that the Siberian peat moss, Arctic tundra, and methal hydrates (frozen methane at the bottom of the ocean) all have an excellent chance of melting and releasing their stored co2.Recent methane concentration figures also hit the news last week, and methane has increased after a long time being steady.The forests of north america are drying out and are very susceptible to massive insect infestations and wildfires, and the massive die offs - 25 % of total forests, have begun.And, the most recent stories on the Amazon forecast that with the change in rainfall patterns one third of the Amazon will dry and turn to grassland, thereby creating a domino cascade effect for the rest of the Amazon.With co2 levels risng faster now that the oceans have reached carrying capacity, the oceans having become also more acidic, and the looming threat of a North Atlanic current shutdown (note the recent terrible news on salinity upwelling levels off Greenland,) and the change in cold water upwellings, leading to far less biomass for the fish to feed upon, all lead to the conclusion we may not have to worry about NASA completing its inventory of near earth objects greater than 140 meters across by 2026 (Recent Benjamin Dean astronomy lecture here in San Francisco).
The rainfall patterns reconstructed from the 2009 snail shells have «good consistency with rainfall,» said Anant Parekh of the Indian Institute of Tropical Meteorology, Pune, India, who did not participate in the project.
In the long term, changes in sea level were of minor importance to rainfall patterns in north western Sumatra With the end of the last Ice Age came rising temperatures and melting polar ice sheets, which were accompanied by an increase in rainfall around Indonesia and many other regions of the world..
We will have to deal with toxic landscapes, a warming climate, shifting rainfall patterns and the emergence of new diseases.
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 this case, it deals with natures record of rainfall patterns in the Sydney Water catchment area:
And those predictions didn't take changes in rainfall pattern with climate into account.
One shouldn't take this picture too literally as a prediction for any particular region, but it help one understand why the signal in rainfall will be positive in some region and negative in others, with the pattern tending to increase gradients.
How do organic aerosols from biomass burning, which you can see in the red dots, intersect with clouds and rainfall patterns?
Similar negative effects occur with worsening air pollution — higher levels of ground - level ozone smog and other pollutants that increase with warmer temperatures have been directly linked with increased rates of respiratory and cardiovascular disease — food production and safety — warmer temperatures and varying rainfall patterns mess up staple crop yields and aid the migration and breeding of pests that can devastate crops — flooding — as rising sea levels make coastal areas and densely - populated river deltas more susceptible to storm surges and flooding that result from severe weather — and wildfires, which can be ancillary to increased heat waves and are also responsible for poor air quality (not to mention burning people's homes and crops).
Also, along with warmer weather, changes in the pattern and intensity of rainfall are already occuring.
But the cause - and - effect argument that you are mounting must confront a more serious problem: according to my calculations, the seasonal pattern of the recent change in rainfall in south - eastern Australia is completely at odds with CSIRO's projections.
«Researchers working at the Australian National University Research School of Earth Sciences have discovered century - scale patterns in Pacific rainfall and temperature, and linked them with global climate changes in the past 2000 years.
The «plausible» scenario outlined by the report's authors considers a world dramatically affected by climate change, with large changes in average temperatures, rainfall patterns, and the incidence of droughts and storms.
One of the proofs was that LA was hit with the worst drought in at least 1,200 years in 2014, triggered by high temperatures and reduced rainfall linked to the change of climate and weather patterns.
Continued greenhouse gas emissions are likely to be associated with changes in rainfall patterns, desertification, more frequent storms and rises in sea level, all of which have implications for human movement.
During southern hemisphere spring and summer, the pattern of above - average rainfall with El Nino is located farther south than it is during late summer and fall.
«Lehmann et al. (2015) also found large — scale increasing patterns in extreme precipitation, with 12 % more record - breaking rainfall events over 1981 — 2010.
For example, the Hadley cell, the large - scale pattern of atmospheric circulation that transports heat from the tropics to the subtropics, has marched south during recent decades, moving the subtropical dry zone (a band that receives little rainfall) along with it.
Drought is expected to occur 20 - 40 percent more often in most of Australia over the coming decades.6, 18 If our heat - trapping emissions continue to rise at high rates, 19 more severe droughts are projected for eastern Australia in the first half of this century.6, 17 And droughts may occur up to 40 percent more often in southeast Australia by 2070.2 Unless we act now to curb global warming emissions, most regions of the country are expected to suffer exceptionally low soil moisture at almost double the frequency that they do now.3 Studies suggest that climate change is helping to weaken the trade winds over the Pacific Ocean, with the potential to change rainfall patterns in the region, including Australia.20, 21,16,22
Since 1988 we have been looking at rainfall regimes in Australia — and this seems to be the first instance of identification of a climate pattern associated with these Pacific states.
However, the larger factor is the mass change associated with ENSO, which appears to be caused by change in land - sea water exchange primarily through change in rainfall patterns.
When the Pacific Ocean altered rainfall patterns around the world, the subsequent climate shifts coincided with the fall of Mayan civilization, researchers said, occurring after the peak in A.D. 900.
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.
Similarly, Australia has seen the odds of both heavy rainfalls and droughts increase, and similar patterns are being observed worldwide, coinciding with rising temperatures over the past 50 years.
«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 pools there and all the convection associated with it establishes rainfall patterns around the globe.
Jeff Knight said: «Our analysis shows that climate change likely did make a contribution to the record rainfall in 2013 - 14 through a long - term increase in UK winter rainfall that is not associated with changing weather patterns.
The IPCC said yesterday that the effects of this rise are being felt sooner than anticipated with the poorest countries and the poorest people set to suffer the worst of shifts in rainfall patterns, temperature rises and the viability of agriculture across much of the developing world.
Rigorous scientific analysis has found that the extreme rainfall that caused a Texas flooding in May of 2015, for example, was caused by a fairly typical rainfall pattern associated with that year's El Niño, a naturally occurring climate cycle, which had been supercharged by human - made climate change.
The Agriculture Department will have to deal with droughts and changing rainfall patterns, but its employees have been barred from even discussing the problem openly, as leadership has instructed them to use «weather extremes» instead of «climate change» in reports.
Daniel Swain, a PhD student in environmental earth system science at Stanford University, and colleagues report in Science Advances journal that they analysed the atmospheric circulation patterns that have been coincident with rainfall and temperature extremes in the Golden State's history.
Climate exhibits variability on decadal (10 - 20 year) timescales, with important societal consequences from impacts on rainfall patterns to altering fishery habitats.
The expected response to a step increase in CO2 is to move from the relatively stable Holocene climate through a period of rapid (in geological terms) change to a new, relatively stable climate with a higher overall temperature and somewhat different circulation and rainfall patterns.
It finds that overall rainfall does not diminish with deforestation, but precipitation patterns shift.
The rainfall patterns reconstructed from the 2009 snail shells have «good consistency with rainfall,» said Anant Parekh of the Indian Institute of Tropical Meteorology, Pune, India, who did not participate in the project.
Overall, we find that the CTL simulation in the low resolution CESM captures the larger - scale patterns of seasonal rainfall and its variability associated with ENSO reasonably well.
Interviews with indigenous communities indicate that rainfall patterns and river levels are changing, and the minor fires traditionally used for small - scale rotational agriculture are more difficult to control.
The coal plants you think that you can replace may be in marginal areas now, replacing them with a nuclear plant with greater cooling requirements may just lead to more shutdowns even if there is sufficient cooling water as climate change changes rainfall patterns.
These oceanic variations are associated with significant regional and global shifts in temperature and rainfall patterns that are evident in the observations.
This event is associated with cold and dry conditions increasing with latitude in the North, temperature and precipitation influences on tropical and boreal wetlands, Siberian - like winters in much of the North Atlantic, weakening of monsoon intensity, and southward displacement of tropical rainfall patterns.
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