Sentences with phrase «aridity by»

«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.»

«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.

Not exact matches

At a personal level the prayer of the Divine Office also strengthens the virgin in her own seeking of Christ by uniting her with the whole Church, and that discipline and objective reality of the Office will sustain her in the inevitable times of aridity in her spiritual life.

Pueblo people of the ancient American Southwest contributed to the region's aridity and its erosion cycle by destroying forests to fuel their kilns.

By analyzing isotopes of oxygen preserved in herbivore teeth and tusks, they can quantify the aridity of the region and compare it to indicators of plant type and herbivore diet.

By July, the animals will be crowding round shrunken rivers and billabongs, the abundance of water replaced by an abundance of aridity — and more controversially, fire and smokBy July, the animals will be crowding round shrunken rivers and billabongs, the abundance of water replaced by an abundance of aridity — and more controversially, fire and smokby an abundance of aridity — and more controversially, fire and smoke.

This shift has been ascribed to increased aridity due to the orographic barrier produced by the progressive rifting of East Africa during this period [22].

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

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.

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.

The authors teased out the effects of climate warming from other factors by looking at eight different systems for rating forest aridity; these included the Palmer Drought Severity Index, the MacArthur Forest Fire Danger Index and the Canadian Forest Fire Danger Rating System.

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.

By analyzing these proxies, concentrations of atmospheric CO2, oceanic CO2, forest fires, aridity, measurements of sea level and more can be deciphered.

...» a permanent drought by 2050 throughout the Southwest» — levels of aridity comparable to the 1930s Dust Bowl would stretch from Kansas to California.

The developed world will be affected, but the developing world will be hurt even more, by increasing aridity, greater temperatures and faster population growth.

Global warming, increasing aridity and rapidly expanding human population will lead to drylands covering half of the Earth's land surface by the end of this century.

While there is evidence of a persistent relationship between periods of aridity during the mid-Holocene and the MCA, as both are associated with increases in radiation and cooler SST in the eastern Pacific [64], climate simulations suggest that current forcing by increased GHG may produce an opposite oceanic response in the future [65].

The result would be a crescendo of glacial outburst floods followed by a period of drastically increased aridity for the lands around Tibet.

Physicist Joe Romm, drawing on recent climate research, reports that «levels of aridity comparable to those in the Dust Bowl could stretch from Kansas to California by mid-century.»

This knowledge could help predict climate changes by modeling potential changes in dust associated with increasing future aridity.

Between 1.5 °C -2 °C warming, drought and aridity, will contribute to farmers losing 40 - 80 percent of cropland conducive to growing maize, millet, and sorghum by the 2030s - 2040s, the researchers found.

There is clear evidence that the supply of mineral dust to the tropical western Atlantic region has been controlled by environmental conditions in the Saharan region during the 20th century (21) with increases in dust supply linked to increased aridity since 1970.