Sentences with phrase «precipitation amounts in»

Northeast BC experienced a dry winter with low snow packs and these conditions are revealed as below normal to much below normal precipitation amounts in January and March (seasonal values are shown in Figure 3a).
Specifically, we examine relationships between isotopes in precipitation and local temperatures and precipitation amounts in the principal ice coring regions (Greenland, Antarctica and the tropical Andes) and the seawater isotope - salinity gradients in the ocean.
Our analyses focused on projecting the possible range of temperature and precipitation amounts in Montana, under our chosen greenhouse gas emission scenarios.
Pronounced long - term trends from 1900 to 2005 have been observed in precipitation amount in some places: significantly wetter in eastern North and South America, northern Europe and northern and central Asia, but drier in the Sahel, southern Africa, the Mediterranean and southern Asia.

Not exact matches

The researchers do know that the presence of certain aerosols plays a large role in the formation of ice that leads to precipitation, but they also need to tease out the importance of that with other factors, like the amount of available water vapor and vertical storm winds.
Climate change is likely to influence rainfall patterns in the Sierra Nevada as well as the amount of dust that makes its way into the atmosphere, so the hope is that a better understanding of how aerosols affect precipitation will help water managers in the future.
Carbon dioxide levels in lakes are often high and vary widely from lake to lake based on factors such as the type of nearby ecosystem, land use such as agriculture, sizes of the lake and watershed, amount of precipitation, and because some types of soils and rocks absorb more CO2 than others.
In some tropical and subtropical regions it is more common to speak of the rainy (or wet, or monsoon) season versus the dry season, as the amount of precipitation may vary more dramatically than the average temperature.
Variations in the thickness of the layers is determined by a combination of the amount of water seeping into the cave and the concentration of carbon dioxide in the cave's atmosphere so, when conditions are right, they can provide a measure of how the amount of precipitation above the cave varies over time.
It turns out that the steady dripping of water deep underground can reveal a surprising amount of information about the constantly changing cycles of heat and cold, precipitation and drought in the turbulent atmosphere above.
«In general, the amount of precipitation is increasing but also the kind of precipitation is changing,» said McFadden, an associate professor in UCSB's Department of GeographIn general, the amount of precipitation is increasing but also the kind of precipitation is changing,» said McFadden, an associate professor in UCSB's Department of Geographin UCSB's Department of Geography.
Experiments Prather and her team conducted in California's Sierra Nevada produced the first conclusive evidence that dust aerosols can change the amount of precipitation produced by clouds.
In particular, human - induced aerosols like soot and combustion particulates actually work the opposite, reducing the amount of precipitation clouds can form.
The Midwest has seen a 37 percent increase in the amount of rain falling in heavy precipitation events since the late 1950s, the second - highest increase in the U.S. over that period.
Clouds alter the amount of sunlight, or radiation, that can reach Earth, affecting Earth's energy balance, and in some areas can lead to precipitation.
They then used a crop model to simulate daily water requirements for various crops, driven by the researchers» modeled projections of precipitation and temperature, and compared these requirements with the amount of water predicted to be available for irrigation in a particular basin through the year 2050.
Cyanobacteria are involved in the precipitation of calcium carbonate in the sea, but they would have needed an enormous amount of iron to do their work.
By analyzing data from 270 monitoring sites around the country, Zhang and his colleagues found that the amount of nitrogen deposition, as measured in precipitation, had increased by 60 % — or 8 kilograms per hectare per year — between 1980 and 2010.
Fueled by tropical moisture drawn north and pinned over the area by a stalled weather pattern, the amount of precipitation between Sept. 9 and 15 in some areas was more than what typically falls in an entire year.
Researchers at the University of Minnesota have found that major flooding and large amounts of precipitation occur on 500 - year cycles in central China.
The predictions matched actual rainfall measurements during the 75 - year period, both in the magnitude (amount) and the trend (increase or decrease) of precipitation.
The amount of precipitation in the White Mountains has steadily increased in the period from 1900 to 2000, but the increase does not seem to have been sufficient to stimulate the growth of trees below the tree line.
Lower amounts in that month could come as a result of a decrease in the amount of snow, he said, because precipitation will come as rain instead of snow.
The records showed that precipitation and temperature patterns had hardly fluctuated during the period, meaning that the amount of water flowing into the lake from nearby streams is likely the same today as it was in 1847.
But beyond the increased amount of precipitation, Wehner adds, «this study more generally increases our understanding of how the various processes in extreme storms can change as the overall climate warms.»
They compared the amount of water flowing into the lake from rivers, precipitation, and groundwater to the amount evaporating out of the lake; if the lake stayed the same size, the water in and out should balance.
Why It Matters: On average, atmospheric rivers hit the western United States only a few times each winter, but they transport significant amounts of moisture that converges in the mountains producing heavy precipitation.
In locations that are accustomed to getting snow during the winter, the total amount of snow each year is already decreasing as the planet warms from increasing greenhouse gases; the percentage of precipitation falling as snow is on the decline, with more of it falling as rain.
When low - temperature ice covers the Arctic Ocean there is little evaporation or sublimation and the polar regions are quite dry in terms of precipitation, comparable to the amount found in mid-latitude deserts.
Precipitation amounts drop slightly in the summer months, but remain relatively high as the North American Monsoon takes hold sometime between June and August.
The frequency and amount of precipitation falling in intense events are underestimated.
I was very interested in getting the precipitation amounts, locations and frequency, intensity, times, weird rains correct to get the runoff simulated.
Graph the number of cloudy, snowy, rainy days and / or the amount of precipitation reported in the local newspaper or on a weather site.
The average amount of precipitation for the year in Anacapa Island is 11.5» (292.1 mm).
The rainstorm which resulted in the highest amount of precipitation which ever hit Lanzarote in one day in September took place on September 20th 1984, with 11.3 l / m2 of rainfall.
The rainstorm which resulted in the highest amount of precipitation ever to hit Lanzarote in one single day in November took place on November 25th 1989, when the island received 49.3 l / m2 of rainfall in one day.
We know that precipitation intensity has been increasing (the amount of rain that falls in the most intense events) across the northern hemisphere — this was clear in the literature even before the Pall et al paper.
In addition to adding mass to a glacier, precipitation has an indirect effect on glacier mass balance by changing the amount of sunlight the glacier absorbs.
In other words, there is a tendency for rarer 1 - day annual extreme precipitation amounts to occur later in the temporal recorIn other words, there is a tendency for rarer 1 - day annual extreme precipitation amounts to occur later in the temporal recorin the temporal record.
Susan Anderson's NYT link: «The flooding in Louisiana is the eighth event since May of last year in which the amount of rainfall in an area in a specified window of time matches or exceeds the NOAA predictions for an amount of precipitation that will occur once every five hundred years, or has a 0.2 percent chance of occurring in any given year.»
In Relationships between Water Vapor Path and Precipitation over the Tropical Oceans, Bretherton et al showed that although the Western Pacific warmer surface waters increased the water in the atmosphere compared to the Eastern Pacific, rainfall was lower in the Western Pacific compared to the Eastern Pacific for equal amounts of water vapor in the atmospheric column — e.g., about 10mm / day in the Western Pacific, versus ~ 20mm / day in the Eastern Pacific at 55 mm water vapor, the peak of the distribution of water vapor amountIn Relationships between Water Vapor Path and Precipitation over the Tropical Oceans, Bretherton et al showed that although the Western Pacific warmer surface waters increased the water in the atmosphere compared to the Eastern Pacific, rainfall was lower in the Western Pacific compared to the Eastern Pacific for equal amounts of water vapor in the atmospheric column — e.g., about 10mm / day in the Western Pacific, versus ~ 20mm / day in the Eastern Pacific at 55 mm water vapor, the peak of the distribution of water vapor amountin the atmosphere compared to the Eastern Pacific, rainfall was lower in the Western Pacific compared to the Eastern Pacific for equal amounts of water vapor in the atmospheric column — e.g., about 10mm / day in the Western Pacific, versus ~ 20mm / day in the Eastern Pacific at 55 mm water vapor, the peak of the distribution of water vapor amountin the Western Pacific compared to the Eastern Pacific for equal amounts of water vapor in the atmospheric column — e.g., about 10mm / day in the Western Pacific, versus ~ 20mm / day in the Eastern Pacific at 55 mm water vapor, the peak of the distribution of water vapor amountin the atmospheric column — e.g., about 10mm / day in the Western Pacific, versus ~ 20mm / day in the Eastern Pacific at 55 mm water vapor, the peak of the distribution of water vapor amountin the Western Pacific, versus ~ 20mm / day in the Eastern Pacific at 55 mm water vapor, the peak of the distribution of water vapor amountin the Eastern Pacific at 55 mm water vapor, the peak of the distribution of water vapor amounts.
Indeed, snowfall is often predicted to increase in many regions in response to anthropogenic climate change, since warmer air, all other things being equal, holds more moisture, and therefore, the potential for greater amounts of precipitation whatever form that precipitation takes.
About item (1), the amounts which melt and refreeze in the Arctic give an impression of the relative amounts involved, where an increase of precipitation is marginal, compared to the the masses involved.
The amount of water per day you need to dump on your pigs stands in for precipitation.
From recent research, I would suggest that this is entirely plausible; I could cite several examples of substantial increases (runoff, glacier melt, precipitation, sea - ice loss) which, collectively, amount to a real net increase in the Arctic freshwater budget.
First, the burning of coal emits huge amounts of mercury into the air, which winds up in America's lakes, rivers and streams through precipitation.
It acquires some moisture in its passage across the Mediterranean Sea but it is still usually too dry to produce any significant amounts of precipitation.
Glaciers and snowpack, the key cryospheric components of high mountain systems, are sensitive to increases in temperature, shifting atmospheric circulation patterns, and varying amounts and forms of precipitation.
Percent changes in the amount of precipitation falling in very heavy events (defined as the heaviest 1 percent of events) from 1958 to 2012 show a clear national trend toward a greater amount of precipitation being concentrated in very heavy events.
Long - term trends in precipitation amounts from 1900 to 2005 have been observed in many large regions (Figure TS.9).
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