Sentences with phrase «rainfall levels»

They measured precipitation and atmospheric conditions during the period by using a new statistical method that accounts for spatial and temporal relationships between rainfall levels, temperature, and other geophysical phenomena.

The report also notes that China was not able to maintain high levels of hydropower generation due to lower rainfall levels.

If climate change alters the earth's ecosystems and rainfall levels to the point that we can't rely on usual methods or locations for water and food supplies, then that means food and water production will need to be the focus of clean tech.

The government blames low rainfall levels, which are certainly a factor, but researcher Ye Xuchun told the paper that the dam 500 kilometers upstream has dramatically reduced flow levels on the Yangtze River, which is linked to the lake.

These are the same GCM's that have been demonstrated to do a very poor job of predicting future rainfall levels at any specific location or region.

Accurate climatological forecasts are worth billions of dollars, because correctly forecasting rainfall levels predicts crop yields, which in turn influence energy prices.

Rainfall levels in this region closely correspond with the strength of the oscillation index in winter, with higher precipitation when it is positive.

The purpose of the signs was to communicate rainfall levels in the last seven days and to remind people that most South Florida lawns only need one inch of water per week.

These spikes show rainfall levels rising sharply over just a few decades, and falling off again soon afterwards, in a matter of centuries.

(By contrast, the historical record indicates that the traditional El Niño, which occurs in the eastern Pacific, has little effect on rainfall levels in the subcontinent.)

To find out, Valerie Trouet at the Swiss Federal Institute for Forest, Snow and Landscape Research in Birmensdorf and colleagues studied the growth rate of trees in Morocco and a stalagmite in Scotland, both dating back 1000 years, to determine rainfall levels during the MCA.

Most are under a millimetre across, but others span 5 mm — and providing rainfall level is constant, drops exhibit the same variation in every shower.

Not exact matches

«Given the enormous level of rainfall along the Texas Gulf Coast the past 3 - 4 days, we expect most operators in this area will experience near - term field level and / or takeaway issues,» Capital One Securities wrote in a research note on Monday.

The 40 % shade level criteria of the 2010 version of the SAN Standard has proven to be a challenge in many coffee producing regions, especially areas with heavy cloud cover, high rainfall and high humidity.

The unhealthy bacteria levels were the result of runoff from recent rainfall, Green said.

Then he notes the wind, humidity, cloud cover, water level and rainfall.

Barring significant rainfall, the Lloyd Park boat ramp in Winnetka could be closed this boating season due to the low water level and sand accumulation, park officials said recently.

(For comparison, 50 decibels is the sound level associated with moderate rainfall; 60 decibels corresponds to the noise of typical conversation; 70 decibels is comparable to the sound of a vacuum cleaner; and blenders and blow - dryers emit 80 to 90 decibels.

It claimed that the infrastructure to deal with heavy rainfall - related flooding was «unclear and chaotic», with no one organisation having responsibility for surface water flooding at a national or local level.

He said that the «unprecedented» levels of rainfall were responsible for people becoming stranded and homes wrecked; and not the failure of the country's flood defences.

Along with Niagara County, Orleans and Monroe counties are also severely affected by the rising water levels along the shoreline, caused by an increased amount of rainfall this season along with the controversial Plan 2014, an international agreement between the United States and Canada to regulate the water levels in Lake Ontario.

The results of the study show that MJO simulations are most sensitive to the existence of lower level heating in the atmosphere ahead of the center of anomalous rainfall.

But this debate does not challenge the core projections of the IPCC about the impact of greenhouse gas accumulations on temperature, rainfall, and sea - level rise.

More extreme rainfall and rising sea levels will increase the frequency of devastating floods like those that hit Queensland in 2011.

But at 7,200 feet above sea level, the cold nights and scant rainfall make it unsuitable for agriculture.

«With climate data at this level, we can pinpoint the address of every baby with hydrocephalus and correlate that to a square on the satellite rainfall maps,» said Schiff.

New research predicts that by the middle of the century annual rainfall in the Amazon could be less than the yearly amount of rain the region receives during drought years if deforestation rates revert back to pre-2004 levels.

In other words, human emissions made the extreme levels of rainfall experienced in south - east England 25 per cent more likely.

In fact, increasing levels of CO2 in the atmosphere — now roughly 392 parts per million and rising — may be fertilizing the rainforest and preventing even greater impacts from reduced rainfall, although this question, Davidson and his colleagues wrote in the review, «may be one of the largest unknowns for the future of the Amazon forests.»

Since 1990 rainfall has returned to the Sahel at levels slightly below the 1900 to 1993 average, according to Global Historical Climatology Network data.

The seven - day rainfall total from Harvey was as much as 40 percent higher than rainfall from a similar storm would have been decades ago, before human activity caused atmospheric carbon dioxide levels to spike, according to a study published yesterday in Geophysical Research Letters.

Researchers used two methods to track groundwater levels, traditional water balance estimates — which take into account surface water inflow like rainfall and snow melt, soil moisture capacity and evapotranspiration — and data from NASA's twin satellite system called GRACE (Gravity Recovery and Climate Experiment).

Similarly, in some countries in Southern Europe (Spain, Portugal, Greece) the initial increase in impacts at 1.5 °C turns into more uncertain projections for higher warming levels, due to a substantial reduction in annual rainfall.

Researchers accounted for human influence on climate by estimating the present - day chances of Harvey's rainfall totals and then comparing them with 1950s greenhouse gas levels.

«The main strength of this tool is that it enables us to work with all these variables, such as the presence or absence of rainfall, wind direction, traffic intensity, and levels of ozone, carbon monoxide, and other pollutants.»

The mathematical challenges are considerable, but the rewards would be great, with the potential to predict things such as critical levels of annual rainfall with a high degree of quantitative accuracy.»

«In the past, engineers have tended to make decisions as though every flood has just a single cause, for example unusually heavy rainfall or an extreme ocean water level,» says Dr Seth Westra, Senior Lecturer in the School of Civil, Environmental and Mining Engineering.

Understanding Antarctic climate change is important not only because of the potential sea level rise locked up in the vast Antarctic ice sheet, but also the shift in the westerly winds has moved rainfall away from southern Australia.

By analyzing the levels of titanium, which is indicative of the amount of rainfall, the scientists determined that the area around the Yucatán peninsula (now part of Mexico) suffered three periods of very low rainfall around A.D. 810, 860 and 910.

The lake showed evidence for two dramatic decreases in monsoon rainfall and a progressive lowering of the lake level.

One big reason the sea level dropped for so long: Only 6 % of the rainfall in Australia runs directly back to the sea, and the rest runs inland to lowlands (image depicts a normally dry area in eastern Australia flooded by rains in late November 2011) where it either soaks into the ground or evaporates back into the atmosphere — a process that returns moisture to the sea far more slowly than the rivers draining other continents do.

I have recently been to Brunei, which often suffers monsoon level rainfall.

About half the drop in sea level during the 18 - month period in question could be ascribed to unusually high rainfall in Australia, the researchers will report in a forthcoming issue of Geophysical Research Letters.

El Niño — a warming of tropical Pacific Ocean waters that changes weather patterns across the globe — causes forests to dry out as rainfall patterns shift, and the occasional unusually strong «super» El Niños, like the current one, have a bigger effect on CO2 levels in the atmosphere.

The year 1211 showed a jump in average rainfall, only to see levels drop again the next year.

For example, the levels of flavonols decreased in Red Baron onions from 2010, the year with the lowest temperatures, but increased in 2011 and 2014 when temperatures were higher and rainfall was down.

Under the Obama administration, climate change has been on the Department of Defense's radar from how it affects national security to how military installations around the world should prepare for climate impacts, like sea level rise at naval bases, melting permafrost in the Arctic and more extreme rainfall events around the world.

The narrow offshore continental shelf combines with the deep - dredged ship channel to help maintain safe oxygen levels during summertime wind changes and reduced rainfall that curtails freshwater discharge from the Coos River, says Dave Sutherland, a professor in the Department of Geological Sciences.

But the new study accounts for more climate variables, not just temperature, that could come into play, including atmospheric carbon dioxide levels and rainfall patterns.

«Indigenous people are telling us rainfall and river levels have changed; the fires they're dealing with are different now; and the climate systems they used to depend on for growing crops have become unpredictable,» said Steve Schwartzman, lead author of the study and director of tropical forest policy at Environmental Defense Fund.