Sentences with phrase «daily rainfall increases»
From June, average daily rainfall increases to a peak in September, when the humidity is generally over 80 %.
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In contrast, the daily rainfall variability during July - August shows a statistically significant (5 per cent significance level) increasing trend.
Since the TAR, the observational basis of analyses of extremes has increased substantially, so that some extremes have now been examined over most land areas (e.g., daily temperature and rainfall extremes).
This warming is accompanied by a strong decrease in daily average rainfall (3 - 4 mm / day under RCP4.5 and a decrease of 6 mm / day under RCP8.5 *), and an increase in dry spells, as illustrated in the top image.
The Frich et al. (2001) analysis suggests an overall increase in the area affected by more intense daily rainfall.
Barbara Fraser writes in The Daily Climate that «experts predict that climate change will exacerbate water scarcity, increasing conflicts between competing users, pitting city dwellers against rural residents, people in dry lands against those in areas with abundant rainfall and Andean mining companies against neighboring farm communities.»
Indicators based on daily precipitation data show more mixed patterns of change but significant increases have been seen in the extreme amount derived from wet spells and number of heavy rainfall events.
A range of GCM and regional modelling studies in recent years have identified a tendency for daily rainfall extremes to increase under enhanced greenhouse conditions in the Australian region (e.g., Hennessy et al., 1997; Whetton et al., 2002; McInnes et al., 2003; Watterson and Dix, 2003; Hennessy et al., 2004b; Suppiah et al., 2004; Kharin and Zwiers, 2005).
We also find that observed fluctuations in extreme events in Padova are linked to the North Atlantic Oscillation: increases in the NAO Index are on average associated with an intensification of daily extreme rainfall events.
However, in contrast, there has been an increase in the daily rainfall variability during July - August by five per cent, says the study.They evaluated how the characteristics of wet spells, with days of heavy rain, and dry spells have changed between two 30 - year periods, 1951 to 1980 and 1981 to 2011.