Sentences with phrase «driven by drought»

A bark beetle epidemic driven by drought is killing off millions of trees in the Sierra Nevada as California starts another summer plagued by drought and higher temperatures.almost 2 years ago

Driven by drought and flooding, Eric Yiryel left rural northern Ghana for Accra, the country's capital, where is now studying accounting.

Driven by drought and low snowpack, 2015 broke all the records in Washington state.

Not exact matches

That's up from 15 % in 2016, with the shift driven by new solar and wind projects, the end of droughts in the West, and a dip in the share of natural gas generation.

Overall, the growth of the economy has been driven by well - above - average growth in domestic spending, while the main factors that were holding back growth, particularly in the period up to around mid 2003, were the drought and the unfavourable international environment.

The researchers from Wageningen University & Research, Bogor Agricultural University in Indonesia, University of East Anglia and the Center for International Forestry Research analysed the spatially distributed pattern of hydrological drought, that is the drought in groundwater recharge, in Borneo using a simple transient water balance model driven by monthly climate data from the period 1901 - 2015.

Another research team did find that a winter drought in Spain and Portugal was partially driven by climate change.

Driven by record - high temperatures and frequent drought, beetle kill has expanded more than twentyfold across the American West.

«Which of those is correct at this stage is unknown, but the droughts being driven by atmospheric greenhouse gas concentrations is in line with some of these global circulation models,» Lewis said.

But the scientist said it's not clear whether the droughts are the product of a random shift in weather patterns or whether they are driven, at least in part, by climate change.

Before this study — the largest of its kind — conducted by a team led by Professor Dirk Inzé, scientists had little insight into the genes and genetic processes that drive some plants to limit their growth under drought conditions while others grow normally.

Four thousand years ago a prolonged drought and the resulting famine in Canaan drove Jacob and his sons to Egypt, setting the stage for the famous exodus led by Moses.

Young says that elements of the recent drought are consistent with what is expected from an event that is driven by climate change.

The achievement will allow researchers to conduct further studies to determine how the hormone helps plants respond to drought and other environmental stresses driven by the continuing increase in the atmosphere's carbon dioxide, or CO2, concentration.

Although snowstorms and rising sea levels garner more of the headlines about extreme weather driven by climate change, drought is quickly rising as the most troublesome, near - term impact.

And a drought of that severity was made much more likely by the ongoing human - driven drying of that region.»

Further warming will not only «very likely» drive further such changes but also likely intensify droughts and tropical cyclones by late in the century, at least in the western North Pacific and North Atlantic.

In some ecosystems, big, severe wildfires are natural events and more climate - driven — by drought or high winds — so fuel reduction is not a very effective tool in these locations.

The new study, published in Nature Communications, explores how this enormous carbon store is being affected by both deforestation and drought - driven wildfires.

It showed, surprisingly, that drought stress is driven as much by growing season temperatures as winter snowpack.Carswell is deftly layering in the science and building a case about the impact of future warming.

At the same time, low - humidity heat waves associated with droughts and fueled in part by climate change contribute to the dry conditions that are driving wild fires.3 4

Some models also show an intensification of droughts in the Sahel, driven by increasing greenhouse gases [126].

In contrast to historical droughts, future drying is not linked to any particular pattern of change in sea surface temperature but seems to be the result of an overall surface warming driven by rising greenhouse gases.

They're driven by a warming ocean, high winds and drought.

Last summer, Chopra worked at a refugee camp on the border of Ethiopia and Somalia that held about 100,000 kids and 50,000 adults driven there by the drought in the Horn of Africa and instability in Somalia.

It's not mentioned specifically in Robert Olmstead's Savage Country, but his references to settlers driven off the land by crop failures, drought, and other factors might be seen as one of the adverse influences of 1862's Homestead Act, probably the most significant factor in the expansion of the United States across the continent.

I'm not so sure about your assertion that hurricane intensity is not driven by temperature gradient (warm tropical ocean; cool overlying air), nor about droughts.

The main reason for meteorological drought is the diversion of «normal» weather systems by jet streams, which of course are driven by temperature gradients.But I'm glad to see that you acknowledge that there are factors other than increased temperature which could be responsible for these extremes.

The following three short pieces will not make a convincing scientific argument that Southern Australia's drought is being driven by a warming planet but municipal governments are facing the grim reality their water supplies could run out by the end of next year if significant rainfall does not occur.

Many of these events — from an extreme East African drought to Australian deluges — were significantly driven by a «double - dip La Niña» cooling of the tropical Pacific Ocean, agency scientists said.

But that again is a rather weak argument, because drought is far more complex than just being driven by average precipitation.

Who arbitrates what portion of a sub-Saharan drought is from this background warming and which part is driven by patterns of extreme drying etched in African climate history?

The drought in Brazil has driven coffee prizes up by 10 percent,» explained Murray.

For example, during the previous interglacial, the Eemian, humans were driven out of their East African homeland by severe drought.

This way, catastrophic floods and devastating droughts which occur at the same time and in the same place can be said to be human - caused, and each single event can necessarily be claimed to have been driven by anthropogenic climate change.

California is experiencing warmer baseline conditions, driven by climate change, that have increased the frequency and severity of arid conditions in California, and increased the chance that low rainfall years will produce drought.

The point is if the Cali drought continues and the rain is heat driven over the mountains, then water may be found by them over there, maybe in a short time frame.

The war that helped drive the rise of the terrorist Islamic State of Iraq and Greater Syria (ISIS) was itself spawned in large part by what one expert called perhaps «the worst long - term drought and most severe set of crop failures since agricultural civilizations began in the Fertile Crescent,» from 2006 to 2010.»

Forest fires are no longer driven mainly by deforestation in the Brazilian Amazon, with climate change induced drought now taking a major role.

Importantly, the changes in cereal yield projected for the 2020s and 2080s are driven by GHG - induced climate change and likely do not fully capture interannual precipitation variability which can result in large yield reductions during dry periods, as the IPCC (Christensen et al., 2007) states: ``... there is less confidence in the ability of the AOGCMs (atmosphere - ocean general circulation models) to generate interannual variability in the SSTs (sea surface temperatures) of the type known to affect African rainfall, as evidenced by the fact that very few AOGCMs produce droughts comparable in magnitude to the Sahel droughts of the 1970s and 1980s.»

And even trying to pull regional conclusions out of this is almost impossible — for example, the brown in the Southeast is heavily driven by the 2008 endpoint with a big drought.

Drought is primarily driven by a lack of rainfall, but warmer temperatures can exacerbate drought impacts by increasing evaporation.

«They» will never publish any data that shows droughts can be caused by anything other than CO2 driven global warming.

Australia's food supply chain is highly exposed to disruption from increasing extreme weather events driven by climate change, with farmers already struggling to cope with more frequent and intense droughts and changing weather patterns.

temperature could have exacerbated the 2014 drought by approximately 36 %... These observations from the paleoclimate record suggest that high temperatures have combined with the low but not yet exceptional precipitation deficits to create the worst short - term drought of the last millennium for the state of California... Future severe droughts are expected to be in part driven by anthropogenic influences and temperatures outside the range of the last millennium.

Some models also show an intensification of droughts in the Sahel, driven by increasing greenhouse gases [126].

What is scary is our president is driven to action by Sandy and the California drought both of which are well within the range of normal weather events.

A scientist recently told the European Geosciences Union that some regions of the planet will see unprecedented drought, driven once again by climate change, before 2050.

Extremes of drought and heat present one kind of threat, and long - term climate change − driven by rising greenhouse gas levels in the atmosphere, as a consequence of the combustion of fossil fuels − is another.

Support for the initiative was driven by the current drought and by fears that unpredictable weather patterns fostered by climate change will continue to strain the state's water system.