Sentences with phrase «in global drought»

Why does the satellite data indicate no significant change in global drought?

Here we show that the previously reported increase in global drought is overestimated because the PDSI uses a simplified model of potential evaporation7 that responds only to changes in temperature and thus responds incorrectly to global warming in recent decades.

A 2012 paper published in the journal Nature found «[l] ittle change in global drought over the past 60 years.»

The disagreement between the Sheffield et al. and Dai camps appears to have been responsible for the IPCC «Äôs downgrading to «low confidence `'» in its 2013 report, the assessment of an upward trend in global drought in its 2007 Fourth Assessment and its 2012 Special Report on Extreme Events (http://www.ipcc-wg2.gov/SREX/).

Sheffield, J., E. F. Wood, and M. L. Roderick, 2012: Little change in global drought over the past 60 years.

Studies subsequent to these continue to provide somewhat different conclusions on trends in global droughts and / or dryness since the middle of the 20th century (Sheffield et al., 2012; Dai, 2013; Donat et al., 2013c; van der Schrier et al., 2013).

Not exact matches

New Mexico Sen. Tom Udall invoked the dangers of climate change, noting that severe droughts and wildfires put his state «in the bull's - eye of global warming.»

While strong domestic demand continues to support import growth, global demand has turned decisively in recent months and drought conditions have subsided, prompting some recovery in export volumes.

Since mid 2003, however, global demand has picked up and drought conditions have eased, which has resulted in a recovery in some components of the volume of exports.

Growing scarcity In addition to a growing scarcity of natural resources such as land, water and biodiversity «global agriculture will have to cope with the effects of climate change, notably higher temperatures, greater rainfall variability and more frequent extreme weather events such as floods and droughts,» Diouf warned.

Shaver Shop, Booktopia, and Kogan might soon put an end to the drought in retailers listing on the sharemarket, bucking a global trend.

In case you haven't heard, the popularity of «Pulses» in the food industry is dramatically on the rise, not only for their nutritional benefit, but also as the leading front - runner to help solve global food issues like food security, drought protection and agricultural sustainabilitIn case you haven't heard, the popularity of «Pulses» in the food industry is dramatically on the rise, not only for their nutritional benefit, but also as the leading front - runner to help solve global food issues like food security, drought protection and agricultural sustainabilitin the food industry is dramatically on the rise, not only for their nutritional benefit, but also as the leading front - runner to help solve global food issues like food security, drought protection and agricultural sustainability.

Study links California drought to global warming: Now a study is asserting a link between climate change and both the intensifying California drought and the polar vortex blamed for a harsh winter that mercifully has just ended in many places...

California's wine leaders adapting to drought and consumer shifts: California wine will hold its own in the global market despite shifts in consumer demographics, scarce water, and competition from imported wines, craft beers and cocktails, according to wine industry leaders surveyed by UC Davis..

Even water - rich countries, like Germany, may be economically impacted in negative ways by global water scarcity, as imports from water - scarce countries often decline during droughts.

The 1980s African debt crisis was created by a variety of factors (much more complex than the commonly attributed «poor African leadership» theory), including irresponsible over-lending by private creditors seeking high returns, the tendency towards one product commodity economies, the targeting of developing countries for high interest loans, the global monetary shock of 1979 - 81, trade protectionism in Northern countries, the depreciation of the US dollar, the prolonged drought of 1981 - 84, among other factors (see African Debt Revisited).

And the worst is yet to come: As the global thermostat rises, extreme weather events such as droughts and floods will become more frequent and intense in many regions, the United Nations warns.

The impact of global warming has been linked to the severity of droughts, water scarcity, and food shortages in war - torn Syria.

The drought in the region also gave rise to a global discussion and concern for desertification as an emerging environmental problem.

Previous research has suggested a connection between coal - burning and the Sahel drought, but this was the first study that used decades of historical observations to find that this drought was part of a global shift in tropical rainfall, and then used multiple climate models to determine why.

Taken together, the research data provides a picture, from the leaf scale to the global scale, suggesting that droughts in the Amazon basin are affecting levels of carbon dioxide in the atmosphere globally, both on a short - term basis though decreasing photosynthesis and on a longer term basis, by increasing tree mortality.

With all the discussion about global climate change effects, new research shows that another kind of climate is an important factor in regional pinyon pine tree recovery after drought events — the microclimate.

Global warming is causing not only a general increase in temperatures, but also an increase in the frequency and intensity of extreme weather events, such as flooding, heat waves and droughts.

In 2010, droughts in Russia, Ukraine, China and Argentina and torrential storms in Canada, Australia and Brazil — all major wheat and grain producers — considerably diminished global crops, driving commodity prices uIn 2010, droughts in Russia, Ukraine, China and Argentina and torrential storms in Canada, Australia and Brazil — all major wheat and grain producers — considerably diminished global crops, driving commodity prices uin Russia, Ukraine, China and Argentina and torrential storms in Canada, Australia and Brazil — all major wheat and grain producers — considerably diminished global crops, driving commodity prices uin Canada, Australia and Brazil — all major wheat and grain producers — considerably diminished global crops, driving commodity prices up.

In 2010, for example, one - fifth of the global land area experienced extreme maximum temperature anomalies that coincided with heat waves and droughts in Canada, the United States, Northern Europe, Russia, Kazakhstan, Mongolia and China and unprecedented droughts in tropical rainforestIn 2010, for example, one - fifth of the global land area experienced extreme maximum temperature anomalies that coincided with heat waves and droughts in Canada, the United States, Northern Europe, Russia, Kazakhstan, Mongolia and China and unprecedented droughts in tropical rainforestin Canada, the United States, Northern Europe, Russia, Kazakhstan, Mongolia and China and unprecedented droughts in tropical rainforestin tropical rainforests.

The impact of global warming has been linked to the severity of droughts, water scarcity, and food shortages in war - torn Syria, but now an internationally recognized expert on water resources has identified climate change as a factor contributing to political turmoil in the region.

It has been unclear, however, how the effects of drought co-vary with legume species, soil condition, agroclimatic region and drought timing, said Lixin Wang, an assistant professor in the Department of Earth Sciences in the School of Science at Indiana University - Purdue University Indianapolis and the corresponding author of «Global synthesis of drought effects on food legume production.»

Unseen by the human eye, plants interact with many species of fungi and other microbes in the surrounding environment, and these exchanges can impact the plant's health and tolerance to stressors such as drought or disease, as well as the global carbon cycle.

«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.

The researchers also looked at other extreme events, like the southeast Australian drought of 2006 and the rain events that led to widespread flooding in Queensland in 2010, to see whether they would occur more often as global temperatures increased.

Professor Friedlingstein, who is an expert in global carbon cycle studies added: «Current land carbon cycle models do not show this increase over the last 50 years, perhaps because these models underestimate emerging drought effects on tropical ecosystems.»

One of the major thrusts of the report, which was discussed at PCAST's 15 March meeting in Washington, D.C., was to emphasize «climate preparedness» — a relabeling of the idea that the government should be doing more to prepare the nation to adapt to changes expected to be caused by global warming, such as rising seas, droughts, and floods.

Global warming's fingerprints can be clearly seen on this year's fire season in California, where the state's extreme drought is entering its fifth year and record - breaking heat has baked the region.

In addition, their Mediterranean habitat has been affected by drought due to long - term climate change, and yields are falling while the global demand continues to rise.

The findings also suggest that previous techniques using satellites to measure drought stress in rainforests may be missing dire impacts of a warming global climate, which many scientists believe will cause more droughts in those critical habitats.

European wheat production areas have to prepare for greater harvest losses in the future when global warming will lead to increased drought and heat waves in southern Europe, and wet and cool conditions in the north, especially at the time of sowing.

And a large majority of Americans believe that global warming made several high profile extreme weather events worse, including record high summer temperatures nationwide, droughts in Texas and Oklahoma, catastrophic Mississippi River flooding, Hurricane Irene and an unusually warm winter.

Some climatologists hypothesize that global warming could induce a more persistent El Niño state; if so, the 200 million people in Indonesia and neighboring areas could experience lasting drought conditions.

My colleagues at the Earth Institute at Columbia University, for example, have used both theoretical reasoning and 1,000 years of tree - ring data to argue that global warming will likely intensify droughts in the American West.

Climate experts have long warned that global warming could bring an increase in extreme weather, such as hurricanes and drought.

In their article «Silver Fir and Douglas Fir Are More Tolerant to Extreme Droughts than Norway Spruce in South - Western Germany» published in the journal Global Change Biology, the scientists concluded that the native silver fir and the Douglas fir, which was imported from the Americas, are suitable tree replacements for the Norway spruce in the long ruIn their article «Silver Fir and Douglas Fir Are More Tolerant to Extreme Droughts than Norway Spruce in South - Western Germany» published in the journal Global Change Biology, the scientists concluded that the native silver fir and the Douglas fir, which was imported from the Americas, are suitable tree replacements for the Norway spruce in the long ruin South - Western Germany» published in the journal Global Change Biology, the scientists concluded that the native silver fir and the Douglas fir, which was imported from the Americas, are suitable tree replacements for the Norway spruce in the long ruin the journal Global Change Biology, the scientists concluded that the native silver fir and the Douglas fir, which was imported from the Americas, are suitable tree replacements for the Norway spruce in the long ruin the long run.

The team's research shows that in addition to contributions from natural forcings and global warming, temperature differences between the Atlantic and Pacific oceans play a role in causing drought and increasing wildfire risks.

Stirling co-author and Professor of Ecology, Alastair Jump, said: «By pinpointing specific traits in trees that determine how at risk they are from drought, we can better understand global patterns of tree mortality and how the world's forests are reacting to rising temperatures and reduced rainfall.

In California — which is plagued by drought — and in the Middle East — it is no longer possible to supply water to major cities without desalinating it,» says Søren Hvilshøj, Global Market Director, Water from consulting engineers, RambolIn California — which is plagued by drought — and in the Middle East — it is no longer possible to supply water to major cities without desalinating it,» says Søren Hvilshøj, Global Market Director, Water from consulting engineers, Rambolin the Middle East — it is no longer possible to supply water to major cities without desalinating it,» says Søren Hvilshøj, Global Market Director, Water from consulting engineers, Ramboll.

Warmer winters, prolonged drought, and other effects of global warming multiply the threat of fire in these communities

This new research shows that in addition to a discernible contribution from natural forcings and human - induced global warming, the large - scale difference between Atlantic and Pacific ocean temperatures plays a fundamental role in causing droughts, and enhancing wildfire risks.

«Atlantic / Pacific ocean temperature difference fuels US wildfires: New study shows that difference in water temperature between the Pacific and the Atlantic oceans together with global warming impact the risk of drought and wildfire in southwestern North America.»

Another paper in PNAS suggests links between global warming and the terrible, ongoing drought in California.

A new study published today in Proceedings of the National Academy of Sciences says drought in Syria, exacerbated to record levels by global warming, pushed social unrest in that nation across a line into an open uprising in 2011.

Even China's efforts to combat those rising concentrations — in part by switching from burning coal to capturing the power latent in rivers like the Yangtze — falter in the face of global warming, as a result of less water in those rivers due to drought and the dwindling glaciers of the Tibetan Plateau.