Sentences with phrase «precipitation decreases»

Following large explosive volcanic eruptions, precipitation decreases over much of the globe.

Yellow colour indicates areas where precipitation decreases, and at least 66 % of the models agree on the sign of the change.

Forest located in the north - west will be also affected, as simulations show a severe precipitation decrease in this area.

Global mean precipitation decreased, due to cloud feedbacks which are influenced by sunlight but not greenhouse gases.

Where precipitation decreases were projected, the results were more complex due largely to interactions between plant biomass, runoff, and erosion, and either increases or decreases in overall erosion could occur.

The yellow areas in figure 4 indicate those regions where precipitation decreases by 10 per cent or more, at least 66 per cent of the models agree on the sign of the change and all models project a temperature rise of 6 °C or more.

arctic chart Schematics of the teleconnection through which Arctic sea - ice changes drive precipitation decrease over California.

Based on the PDSI data, very dry areas (defined as land areas with a PDSI of less than — 3.0) have more than doubled in extent since the 1970s, with a large jump in the early 1980s due to an ENSO - induced precipitation decrease over land and subsequent increases primarily due to surface warming.

Increases in heavy precipitation have also been documented even when mean total precipitation decreases (for example, see Northern Japan in Figure 2.35, or Manton et al., 2001).

... precipitation decreased steadily as CO2 and stratospheric sulfate aerosol increased....

The long - term mean annual precipitation decreased from 816 mm year − 1 at the moist to 544 mm year − 1 at the driest site, and the mean annual temperature increased along this gradient from 8.5 to 9.1 °C (Table 1).

The JJA precipitation decreases by 20 — 50 % in this region for a 4 °C global warming, where enhanced warming is also seen.

The role of ecosystem - atmosphere interactions in simulated Amazonian precipitation decrease and forest dieback under global climate warming.

Summer precipitation decreases (increases) in northern (southern) Europe and is associated with a negative summer North Atlantic Oscillation signal.

Under the high - end models, Northern Africa is projected to experience high (greater than 6 °C) temperature increases and large precipitation decreases in both DJF and JJA, suggesting that this region is most at risk from high - end climate change.

Precipitation decreases occur greater than 50 % of the time south of the equator in both figures, but decreases in mid-latitudes result primarily from the UV changes (top figure).

In Central America, the projected time - averaged precipitation decrease is accompanied by more frequent dry extremes in all seasons.

Schematics of the teleconnection through which Arctic sea - ice changes drive precipitation decrease over California.

Given the patterns of mean total precipitation changes (Section 2.5.2) during the 20th century, it could be anticipated that, in general, for those areas with increased mean total precipitation, the percentage increase in heavy precipitation rates should be significantly larger, and vice versa for total precipitation decreases.

The total area (land and ocean) where precipitation decreases is also larger in the high - end models than in the non-high-end models, by 14 per cent in DJF and 7 per cent in JJA.

States that this precipitation decrease has intensified since 1979 and such intensification could have enhanced spring drought occurrences in the Central U.S., in which conditions quickly evolve from being abnormally dry to exceptionally dry

Several studies focused on the Colorado River basin showed that annual runoff reductions in a warmer western U.S. climate occur through a combination of evapotranspiration increases and precipitation decreases, with the overall reduction in river flow exacerbated by human demands on the water supply.

During JJA, the area of Europe experiencing a precipitation decrease has extended northwards to cover most of the continent, except Scandinavia.

The patterns in each season are very similar between the high - end and non-high-end models, but the precipitation decreases are larger in magnitude in some regions in the high - end models than in the non-high-end models.

They found that, in the model simulations, temperatures increased in all regions during the twenty - first century, and precipitation decreased the most in Central America, southern South America, the Mediterranean and northern Africa, Central Asia, southern Africa and Australia.

Large temperature increases and precipitation decreases are projected in some of the regions that currently experience water resource pressures, including Mediterranean fringe regions, indicating enhanced pressure on water resources in these areas.