Sentences with word «aridity»

If these models are correct, the levels of aridity of the recent multiyear drought, or the Dust Bowl and 1950s droughts, will, within the coming years to decades, become the new climatology of the American Southwest.

Outputs from four different general circulation model simulations for 2 × CO2 are included in the analyses; model predictions for increasing aridity in the Yellowstone Park area are generally in agreement with observed trends in the historical climate records.

The study, published in the journal Nature Scientific Reports, looked at how natural climatic forces contributed to centuries - long and even millennia - long periods of aridity in California during the past 10,000 years.

That said, the overall trend is clear: with fuel aridity increasing in the western U.S. due in part to human - caused climate change, the authors project that both burned area and burn severity will continue to increase under climate change.

Consider this in the context of Mr. Romm's closely related prediction, also based on a blog citation of another single study using climate simulation models, for aridity impacts for the U.S.:

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.

It may seem counterintuitive, he said, because «most people associate dust emission with aridity and deserts, not with precipitation.»

Pest problems may increase in some regions due to increasing humidity and warmer conditions, but elsewhere some disease issues will likely initially diminish as aridity increases.

«This agrees with our results from DNA, which indicate that modern desert - living bandicoot groups pre-date the onset of aridity by as much as 40 million years,» says Prof. Westerman.

Climate's role in increasing such aridity has grown since 2000, the researchers say, and will continue to do so.

req'd) published research that «predicted a permanent drought by 2050 throughout the Southwest» — levels of aridity comparable to the 1930s Dust Bowl would stretch from Kansas to California.

Spatial patterns of loss and gain showed contrasting latitudinal patterns, with a westward range shift of species around the species - rich equatorial transition zone in central Africa, and an eastward shift in southern Africa; shifts which appear to be related mainly to the latitudinal aridity gradients across these ecological transition zones

During each of these periods the local climate of East Africa varied over a 20,000 - year cycle, from extreme aridity to very wet conditions.

He then used model projections for the 21st Century to calculate potential changes in global aridity.

It is true that spiritual aridity is widespread in many sectors of our society, but if we look more closely we will see that rather than a dearth there is a superabundance of competing visions.

This timeframe is particularly relevant for the evolution of past climate as it is a period of intense cooling coupled with increased aridity at a global scale.

Using paleo climatic data and paleo climatic simulations, the researchers of the current study found that the HP tradition developed during a period of pronounced aridity.

An increase in aridity due to global warming will disturb the balance of nutrients in the soil and reduce productivity of the world's drylands, which support millions of people, a landmark study predicts.

A computer generated «aridity index» that maps out the dry places (yellow - brown) and the wet places (green) of an Earth - like planet that rotates on its axis much more slowly than Earth.

Moser adds, «Owing to the importance of California's economic and agricultural activities in North America, and the dependence of these activities on water, prolonged aridity in California in the future will have far - reaching effects across the United States, into Canada and beyond.»

What they found is that although about half of the island groups are projected to experience increased rainfall — predominantly in the deep tropics — overall changes to island freshwater balance will shift towards greater aridity for over 73 % of the island groups (16 million people) by mid-century.

Historical records of precipitation, streamflow, and drought indices all show increased aridity since 1950 over many land areas 1,2.

The authors conclude: «Ultimately, the consistency of our results suggests an exceptionally high risk of a multidecadal megadrought occurring over the Central Plains and Southwest regions during the late 21st century, a level of aridity exceeding even the persistent megadroughts that characterised the Medieval era.»

The La Nina cycle brings more aridity to the center of continents.

According to the study, since 1984 heightened temperatures and resulting aridity have caused fires to spread across an additional 16,000 square miles than they otherwise would have — an area larger than the states of Massachusetts and Connecticut combined.

For a while, they see only the radical evil of man and the world — and this means puritanism, moralism, emotional aridity, an end of forgiveness and joy.

A vast aridity covers the land.

Whether it be «violent flashfloods to stark aridity» or «the bitter cold of the mountains to the blazing heat of the deserts,» one thing is certain: Arizona seems to earn its title of «one of the world's best natural laboratories for weather.»

A brief return to aridity around 8,000 years ago set the stage for cattle herders to spread across North Africa, researchers suspect.

Oxygen isotope ratios in carbonate sediments are correlated with the ratio of precipitation to evaporation and thus indicate aridity.

But fuel aridity alone also doesn't fully explain burn severity, according to the authors.

Hence over the Plio - Pleistocene, East African climate is best characterised as a long - term trend towards increasing aridity punctuated by periods of precession - forced high rainfall leading to the periodic appearance of deep freshwater lakes.

But Stringer and Galway - Witham add that the region may have proved a difficult area to thrive in long term: «There were severe periods of aridity before and after this time, meaning that the region was probably more often a «boulevard of broken dreams» than a stable haven for early humans.»

Taken together, this suggests that small steps in brain expansion in Africa may have been driven by regional aridity.

Despite searing temperatures, desert aridity and the occasional sandstorm, Moroccan women manage to stay gorgeous, with their ropes of shiny black hair, supple skin and thick eyelashes.

Alan Davie, who died on Saturday aged 93, was one of the great 20th - century British artists, a life - long maverick whose explosive canvases cut a swathe through the provincial aridity of the postwar art scene.

Fans of their work might see it as a kind of multicultural Godart, but to say that is simply to evoke its indigestible aridity.

On the one hand, there's the droll, even whimsical humour of the photograph and title; on the other the brain - aching aridity of the text.

A parched, bone - dry aridity permeates this starkly emphatic oil.