Sentences with phrase «decrease in rainfall»

A number of towns are running out of water thanks to huge decrease in rainfall and warmer temperatures.

Decreases in rainfall in recent years could mean multiyear drought conditions in the southwestern U.S. and drying out of farmland for millions of people in Ecuador, Colombia and elsewhere.

But in winter and spring, when CSIRO projected decreases in rainfall, my calculations show an increase in rainfall in 1995 to 2006 compared with 1984 to 1995.

The authors predict that over the next 20 years, California could see a 10 to 15 percent decrease in rainfall on average.

These assumed that the largest decreases in rainfall would be in winter and spring (decreases of 5 % and 11 % between 1990 and 2030 on the low and high global warming scenarios respectively), but rainfall was fractionally HIGHER in winter / spring in the more recent period (1995 - 2006) than in the previous 11 - year period.

In summer and autumn the CSIRO projections were for smaller decreases in rainfall than in winter and spring, but the observed change was a substantial decrease: in fact, as large a decrease between the successive 11 - year periods as CSIRO projected on the high global warming scenario over the 40 - year period from 1990 to 2030.

Regional decreases in rainfall just make the problem worse.

For example, it warned that large tracts of the Amazon rain forest might be wiped out by global warming because they are extremely susceptible to even modest decreases in rainfall.

I should add that there is considerable uncertainty associated with the models suggesting decreases in rainfall, and uncertainty as to how Amazon forests may react (especially when one considers the impacts of deforestation, logging, and fire combined with climate change impacts).

California's dramatic decrease in rainfall and rising temperatures over the past few years have created a recipe for extreme drought...

Furthermore due to the atmospheric warming effect of soot, it has been cited as «a major factor in triggering extreme weather in eastern India & Bangladesh,» as well as being linked to decreases in rainfall in central India.

Indeed, some leading models of future climate change impacts show a die - off of more than 40 % Amazon forests, due to projected decreases in rainfall.

Water stress can be caused by rising temperatures, decreases in rainfall, or a combination of the two.

«It can't be detected at present day because the signal, the decrease in rainfall, is small compared to the interannual variability in rainfall,» said Gordon Bonan, a climate scientist at the National Center for Atmospheric Research in Boulder, Colorado, who was not connected to the study.

Resilience needs to be built into agricultural planning to adjust to the decrease in rainfall in the greater Horn of Africa over these past four decades.

«Through their analysis, [the authors] showed that the decrease in rainfall is actually very robust across all models,» Bonan continued.

The researchers reached the same conclusion for the expected regional increases and decreases in rainfall: Again, the species adapted 10,000 to 100,000 times too slowly.

«So a decrease in moisture in those air masses could cause a decrease in rainfall.»

Decreases in rainfall are evident in analyses of shorter periods, such as the decade from 1986 to 1995 that was the driest of the 20th century.

Ian, looking at the projections it certainly appears that increased evaporation plays a bigger role than decreases in rainfall, but of course the two interact, and the reduction in streamflow is larger again (commonly by a factor of three) than the reduction in rainfall net of evaporation.

Water stress can be caused by rising temperatures, decreases in rainfall, or a combination of the two.

The IPCC was accused of exaggerating the extent to which the Amazon rainforest could be damaged by a decrease in rainfall.

Over central South America, all models show a decrease in rainfall that reaches more than 20 percent in parts of the Amazon region.

Over central South America, all the models showed a decrease in rainfall that reached more than 20 percent in parts of the Amazon region.

Other regions experiencing a decrease in rainfall are the southernmost parts of South America and much of Chile.