Sentences with phrase «rainfall events»

Because of the substantial under - catch of precipitation gauges during solid precipitation, frequent light rainfall events, or windy conditions, the true precipitation in the Arctic is more than 50 % higher than the measured values (Førland and Hanssen - Bauer, 2000).

Moreover, rising global average temperatures lead to longer pollen seasons in many places and — when combined with stronger rainfall events, flooding, and higher humidity — create the perfect environment for mold to flourish.

In addition to rising global temperatures, the increasing frequency and intensity of extreme rainfall events is one of the clearest already observed effects of climate change.

Over the last three decades, the number of record - breaking rainfall events globally has significantly increased, and the fingerprint of global warming has been documented in this pattern.

«One out of 10 record - breaking rainfall events observed globally in the past 30 years can only be explained if the long - term warming is taken into account,» says co-author Dim Coumou, a PIK researcher into the links between atmospheric circulation and extreme weather events.

In marked contrast, some regions have experienced significantly fewer record - breaking daily rainfall events.

Drought and heavy rainfall events can make drinking water vulnerable to contamination and can ruin agriculture, leading to increases in incidents of water - borne infections and diseases like cholera, as well as malnutrition and hunger when damaged farms fail to provide enough crops for the people who rely on them.

The storm fits the current pattern experienced in the warming world in which higher temperatures are driving more intense rainfall events.

Equivalent results for heavy rainfall events in Southern Asia and tropical Africa suggest these would increase in line with global average temperature rise.

As for heavy downpours, by the end of the century intense rainfall events that now statistically occur once every 20 years will happen once every 5 years.

Texas is an area where Gulf Tropical Storms and hurricanes often stall for days, and 6 of the heaviest tropical rainfall events for the U.S. have occurred in Texas.

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.

I don't entirely agree with Ray Ladbury's comment at least for rare rainfall events; there are quite long records for some locations and from the satellite era worldwide data.

I have, just in the past week +, discovered a remarkable property of the Levy distribution, not shared by any other stable distribution, which motivates using it to characterize rainfall events.

Once done, I hope to be able to offer an approach which will better predict the recurrence time of rare rainfall events in the the face of increasing temperatures.

This helps in encouraging you to study the Levy distribution for the purposes of better understanding rare rainfall events.

Consider the range of natural variability — for drought and for extreme rainfall events.

With climate change being partly to blame for the increase in heavy rainfall events, it's no secret that now is as...

As estimates of the greenhouse gas attributable change in rainfall risk may depend on the model datasets considered, it is also useful to consider model outputs from several datasets and using various estimates of counterfactual surface conditions to establish robust attribution statements for extreme rainfall events.

Desert species that depend on rainfall events to initiate breeding, such as resident birds, and migratory birds whose routes cross deserts, will be severely affected (Dukes and Mooney, 1999; Hardy, 2003; Box 4.5).

The adjacent chart depicts the distribution of the top 50 DeBilt, Holland rainfall events while atmospheric CO2 levels increased over the decades.

The third story covers the release of a recent paper in Nature Geoscience on short - duration extreme rainfall events, on which PCIC Director Francis Zwiers is a co-author.

Specifically, seasonal forecast SSTs (GloSea5) from the UK Met Office were used to simulate recent UK heavy rainfall events.

In some cases, statistical probability is used to define these extremes, for example, heavy rainfall events or extremely hot or cold temperatures with a 1, 5, or 10 percent occurrence probability.

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.

Increased frequency of 1.2 mm summer rainfall events reduced moss cover from ~ 25 % of total surface cover to < 2 % after only one growing season, whereas increased temperature had no effect.

Changes in extreme episodes included positive trends in warm nights, and a positive tendency for intense rainfall events and consecutive dry days.

The report says there is no change to the conclusion that heavy rainfall events have increased in the past, but there is greater confidence now that these will increase in the future.

According to him, in the past 30 years — with a couple of exceptions — we've had mostly mild winters, and we're seeing more intense rainfall events.

Climate change already is being felt in the form of warmer winters in New York over the last several decades and increasing numbers of extreme rainfall events, according to DeGaetano, the Cornell researcher, who is the director of the Northeast Regional Climate Center at Cornell.

If this can be achieved it should provide environmental benefits across the city and contribute to green infrastructure, particularly as climate change impacts like urban heating and high rainfall events increase.

A pronounced shift can be seen in extreme rainfall events, heat waves and wind storms and the underlying reason is climate change, says Muir - Wood, driven by rising greenhouse gas emissions.

Finally, there's our vulnerability to heavy rainfall events, in this case exacerbated by the city's rapid expansion that has paved over former grasslands, overloaded critical infrastructure, challenged urban planning, and limited evacuation routes.

In the first decade of the new millennium, extreme rainfall events combined with changes in land use have resulted in an increase in floods and an increase in annual average flood losses from $ 6 billion to $ 10 billion despite the billions of dollars invested in flood control.

One implication of these findings is that we can not currently make credible projections of sub-daily rainfall events.

An Amplified Hadely Cell means large areas of the mid-latitudes would see subsiding air aloft, which acts as a cap to large scale rainfall events.

During summer, most of northern Europe experienced above average precipitation, as did the Alpine region and the north of Italy and Slovenia, with a number of heavy rainfall events heavily influencing the average for the season and leading to wide - spread flooding events.

Explains meteorologist Greg Holland of the National Center for Atmospheric Research: «I have no equivocation in saying that all heavy rainfall events, including this one, have an element of climate change in them, and the level of that contribution will increase in the future.»

They were originally naturally fed by the surrounding hills from the west after rare but very heavy rainfall events....

In addition to direct crop damage from increasingly intense precipitation events, wet springs can delay planting for grain and vegetables in New York, for example, and subsequently delay harvest dates and reduce yields.67 This is an issue for agriculture nationally, 65 but is particularly acute for the Northeast, where heavy rainfall events have increased more than in any other region of the country (Ch.

One implication of the authors» findings is that it will be some time before it will be possible to make credible projections of sub-daily rainfall events.

Intense rainfall events contribute a disproportionate amount of erosion relative to the total rainfall contribution, and this effect will only be exacerbated in the future if the frequency of such storms increases.

Scientists say the extreme rainfall events that feed these floods are on the rise for many parts of the world, and this year's hurricanes fit that trend.

Climate studies clearly show that extreme rainfall events would increase over the Indian subcontinent and that the Himalayan range is particularly vulnerable.

I was speaking with a climate scientist just last week at a an informal meeting and he has been evaluating extreme (2.0 +») spring rainfall events.

• «Decreased water availability due to increased temperature and longer periods of time between rainfall events, coupled with an increase in societal demand is very likely to affect many sectors of the Southeast's economy.»

In Niger, a recent analysis of hourly rainfall data (Shinoda et al., 1999) reveals that the droughts in the 1970s and 1980s were characterised primarily by a reduced frequency of heavy rainfall events (those exceeding 30 mm / day) rather than by a reduction in rainfall amount within heavy events.

The PIK researchers found that heavy rainfall events setting ever new records had been «increasing strikingly» in the past thirty years.

These factors point to a need for planners to account for such rainfall events as housing and infrastructure development occurs in this region, and for the possibility that the intensity and frequency of such events might change in the future as the climate continues to warm.

Before 1980 natural variability was enough to explain rainfall fluctuations, they said, but they had detected a clear upward trend in the past few decades towards more unprecedented daily rainfall events.