Sentences with phrase «widespread drought in»

The combination of deployment of the MODIS satellites starting in 1998 and a widespread drought in the Amazon during July - September 2005 would appear to have provided the first opportunity for ecologists to observe an alternative cause of increased photosynthesis besides increased transpiration.

THE blizzards that hit the north - east US may have dominated the headlines last weekend, but across much of the country the most widespread drought in more than half a century is still biting — especially along the nation's iconic waterways (see diagram).

I conclude that the observed global aridity changes up to 2010 are consistent with model predictions, which suggest severe and widespread droughts in the next 30 — 90 years over many land areas resulting from either decreased precipitation and / or increased evaporation.

Not exact matches

Jody has over 25 years of experience in the water sector where she has been responsible for driving a range of initiatives including state water reforms under the National Water initiative, driving the momentum and integration of The Living Murray, delivery of environmental water with and on behalf of Basin states, development and implementation of a plan to avoid widespread acidification to the lower lakes of the Murray system during the Millennium drought and identification of the sustainable level of take to be embodied in the Murray - Darling Basin Plan.

The difficulties of bridging the partisan gap were in evidence on their last day, when lawmakers were unable to agree on two pressing problems: how to help livestock producers suffering from widespread drought and how to protect critical industries from cyberattacks launched by terrorists or other enemies.

Texas, which has suffered extreme droughts in 2011, is now grappling with deadly, widespread wildfires.

In the study, they examined how the next generation of pinyon pine trees were recovering after a severe drought in 2002 - 2004 caused widespread mortality in adult treeIn the study, they examined how the next generation of pinyon pine trees were recovering after a severe drought in 2002 - 2004 caused widespread mortality in adult treein 2002 - 2004 caused widespread mortality in adult treein adult trees.

«Recent droughts have resulted in widespread pinyon pine mortality throughout much of the southwestern U.S.,» said Miranda Redmond, CSU assistant professor and lead author of the study.

The recurrent droughts in the 1970s and 1980s had disastrous consequences for agriculture, livestock and the environment in the area, with widespread famine as a result.

The marshes experienced widespread vegetation die - off following an extreme drought in 2011.

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.

«The 2010 drought appears to have been more widespread than in 2005, and this may have important consequences in regions across Amazonia already prone to drought stress.

Scientists predict that climate change will cause widespread agricultural problems, mainly in the form of drought — especially when fresh water and irrigation infrastructure are not available.

Meanwhile, researchers probing the climate in pre-Columbian Central America figure that widespread deforestation had a hand in the droughts thought to have toppled the Mayan, Toltec and Aztec civilizations.

When this model was then applied to the future, they found that in a world of continuing high greenhouse gas emissions, the threshold for widespread drought - induced vascular damage would be crossed and initiate widespread tree deaths on average across climate model projections in the 2050s.

The 2000 - 2003 drought in the American southwest triggered a widespread die - off of forests around the region.

For instance, during both the relatively warm twelfth century, and the relatively cold fifteenth century, drought was observed to be most widespread in the Northern Hemisphere.

In the new study, researchers first looked at long - term butterfly monitoring data from 129 sites in the southern United Kingdom and identified six drought - sensitive species that experienced widespread population collapses after 199In the new study, researchers first looked at long - term butterfly monitoring data from 129 sites in the southern United Kingdom and identified six drought - sensitive species that experienced widespread population collapses after 199in the southern United Kingdom and identified six drought - sensitive species that experienced widespread population collapses after 1995.

These changes cause widespread effects including drought in eastern Australia and floods in Peru («El Niño goes critical», New Scientist, 4 February).

Western Wildfires — The increasingly destructive and widespread fire seasons of recent years are likely to continue due to a combination of increased drought and land development encroaching on naturally burning landscapes, along with a climate change — induced fuel boom (enhanced plant growth and a shift to more woody species) exacerbated by fire - suppression efforts leading to more abundant plant matter to fuel violent blazes, according to ecologist Dominique Bachelet of Oregon State University in Corvallis and The Nature Conservancy.

Observed marked increases in drought in the past three decades arise from more intense and longer droughts over wider areas, as a critical threshold for delineating drought is exceeded over increasingly widespread areas.

Severe rainfall deficits this year have lead to widespread drought that has decimated the maize crop, costing hundreds of millions of dollars in losses.

Hence, the observed marked increases in drought in the past three decades arise from more intense and longer droughts over wider areas, as a critical threshold for delineating drought is exceeded over increasingly widespread areas.

It was the worst drought in the instrumental record, causing widespread crop failure and a mass migration of farming families to urban centers.»

It is clear that the 1C temperature rise over pre-industrial levels that we have seen so far has triggered a whole range of effects including widespread melting of mountain glaciers, significant sea level rise, devastating droughts, and flooding in various parts of the world.

The combination of the 2006 - 2010 drought and widespread overuse of groundwater in previous decades meant crop yields plummeted across the country, the new study says.

«There's a lot of research on how different kinds of environmental disasters — such as forest fires, hurricanes, air pollution, or heat waves — impact human health, but the most widespread natural disaster is drought,» said lead author Jesse Berman, a postdoctoral fellow at the Yale FE&S, in a press release.

Use of millet is also widespread in Africa, like gluten free teff, likely due to the drought prone climate.

She and Andrew Kinkella of California's Moorpark College explored the cenote and found that more offerings to Chaak, the Maya rain god, were placed in the shrine after a widespread drought hit the Maya region.

The devastation of the widespread drought of the 1860s is evident in the many ruins dotting the countryside.

The trait, he proposed, comes to the surface when such people confront strong messaging on the need for emissions reductions amid enduringly murky science on what's driving some particular extreme environmental phenomenon in the world — whether a brief period of widespread melting on the Greenland ice sheet, a potent drought, a tornado outbreak or the extreme event of the moment, the hybrid nor» easter / hurricane known on Twitter as #Frankenstorm.

I do think that we humans are needlessly speeding things along, but do not think that even if we get the global mean temperature increase below 2 degrees that we can not or will not have widespread droughts and potential world catastrophes in terms of both weather and climate.

The potential consequences of warming include widespread famine, triggered by extreme drought in the major grain - producing areas of the world; the wholesale disappearance of the world's coral reefs; and sea levels rising by several meters over the course of a few centuries.»

They include soaring temperatures, declining late - season snowpack, northward - shifted winter storm tracks, increasing precipitation intensity, the worst drought since measurements began, steep declines in Colorado River reservoir storage, widespread vegetation mortality, and sharp increases in the frequency of large wildfires.

The end of the first half of the Holocene — between about 5 and 4 ka — was punctuated by rapid events at various latitudes, such as an abrupt increase in NH sea ice cover (Jennings et al., 2001); a decrease in Greenland deuterium excess, reflecting a change in the hydrological cycle (Masson - Delmotte et al., 2005b); abrupt cooling events in European climate (Seppa and Birks, 2001; Lauritzen, 2003); widespread North American drought for centuries (Booth et al., 2005); and changes in South American climate (Marchant and Hooghiemstra, 2004).

The Great Plains are finally beginning to enjoy cloudbursts of relief from two years of epic drought — the worst in the region's history, and part of the most widespread drought to afflict the U.S. since 2000.

Likely impacts include large - scale disintegration of the Greenland and West Antarctic ice - sheet; the extinction of an estimated 15 — 40 per cent of plant and animal species; dangerous ocean acidification; increasing methane release; substantial soil and ocean carbon - cycle feedbacks; and widespread drought and desertification in Africa, Australia, Mediterranean Europe, and the western USA.

The authors showed that a widespread, severe drought - and - beetle - induced die - off of pinyon pine in the American Southwest was exacerbated by higher average temperatures, relative to past episodes of drought.

In East Africa, in places like Sudan and Ethiopia, El Niño is already causing severe drought, resulting in widespread faminIn East Africa, in places like Sudan and Ethiopia, El Niño is already causing severe drought, resulting in widespread faminin places like Sudan and Ethiopia, El Niño is already causing severe drought, resulting in widespread faminin widespread famine.

In North America, drought reconstructions suggest regional medieval megadroughts were in fact spatially coherent, widespread, and have no modern analog [Cook et al., 2007In North America, drought reconstructions suggest regional medieval megadroughts were in fact spatially coherent, widespread, and have no modern analog [Cook et al., 2007in fact spatially coherent, widespread, and have no modern analog [Cook et al., 2007].

The decade saw droughts across the world, with some of the longest and most severe in Australia (2002 and other years), East Africa (2004 and 2005, resulting in widespread loss of life) and the Amazon basin (2010).

Widespread decline in greenness of Amazonian vegetation due to the 2010 drought.

One such drought, the «Dust Bowl» of the 1930s, resulted in widespread crop failure, dust storms, and the displacement of thousands of people.

Documented long - term climate changes include changes in Arctic temperatures and ice, widespread changes in precipitation amounts, ocean salinity, wind patterns and extreme weather including droughts, heavy precipitation, heat waves and the intensity of tropical cyclones.

If, that is, we want a good chance of avoiding the dismal future that Bill Hare, an accomplished scientist and the godfather of Greenpeace's climate campaign, has so carefully warned us about: Unstable weather, routine heat waves, widespread drought, crop failure, and mass extinction, rising sea levels, and, in general, a markedly more hostile environment and a situation that our society, as presently constituted, is unlikely to navigate with grace and aplomb.

And there are appreciable artifacts in the record as a result of changing soil moisture and thus changing ratios of sensible and latent heat at 2m from the ground — plausibly causing an increasing land / ocean temperature divergence during periods of widespread drought.

We also found that a rapid start to solar geoengineering would cause El - Niño - like warming of the tropical Pacific Ocean, potentially causing drought and widespread forest fires in the Amazon and Southeast Asia.

Intense 100 - year droughts also caused widespread tree mortality in the Amazon basin in 2005 and 2010.

Unseasonable droughts have caused widespread crop failure in recent years.

In addition, unprecedented efforts must be taken to plan for the worst effects of global warming — sea level rises, massive storm surges, widespread heatwaves and drought, and the spread of tropical diseases.