Sentences with phrase «annual precipitation increase»

It is perfectly conceivable, for example, to have annual precipitation increase 10 to 20 % at the same time that mean annual surface water runoff decreases by 10 to 20 % (or even more).

They found that the mean and standard deviation of flood damage are projected to increase by more than 140 % if the mean and standard deviation of annual precipitation increase by 13.5 %.

Following a centuries - long dry period with high fire frequency (c. AD 1400 - 1790), annual precipitation increased, fire frequency decreased, and the season of fire shifted from predominantly midsummer to late spring....

Precipitation occurs about once every seven days in the western part of the region and once every three days in the southeastern part.77 The 10 rainiest days can contribute as much as 40 % of total precipitation in a given year.77 Generally, annual precipitation increased during the past century (by up to 20 % in some locations), with much of the increase driven by intensification of the heaviest rainfalls.77, 78,79 This tendency towards more intense precipitation events is projected to continue in the future.80

Choi and Fisher (2003) estimated the expected change in flood damages for selected USA regions under two climate - change scenarios in which mean annual precipitation increased by 13.5 % and 21.5 %, respectively, with the standard deviation of annual precipitation either remaining unchanged or increasing proportionally.

Annual precipitation increases of about 15 % to 30 % are projected for the region by late this century if global emissions continue to increase (A2).

Not exact matches

The Northeast and the Pacific Northwest may see only a slight increase in annual precipitation, maybe one or two percent, but storms are likely to become more intense.

Although precipitation in Nebraska at the northern end of the aquifer will likely increase, scientists predict the southern parts of the region will get even less than the 16 inches of annual precipitation they now receive.

«Our study has found evidence to the contrary, suggesting that in fact, the future long - term trend based on paleoclimate reconstructions is likely towards diminishing precipitation, with no relief in the form of increased Mediterranean storms, the primary source of annual precipitation to the region, in the foreseeable future.»

«According to climate predictions, annual precipitation is likely to decrease in the Southwest but increase in the eastern United States during the 21st century, therefore, the observed diverse trends of surface water body areas since 1984 could continue to occur in the future,» said Xiao.

has decreased in winter, but no significant change in annual mean precipitation potentially because of very slight increases in spring and fall precipitation; precipitation is projected to increase across Montana, primarily in spring; slight decrease in summer precipitation; variability of precipitation year - to - year projected to increase

ACPI assumes a 1 percent annual increase in the rate of greenhouse gas concentrations through the year 2100, for little change in precipitation and an average temperature increase of 1.5 to 2 degrees centigrade at least through the middle of 21st century.

There were no significant trends in mean annual total precipitation or total precipitation affected area but we did observe a significant increase in mean annual rain - free days, where the mean number of dry days increased by 1.31 days per decade and the global area affected by anomalously dry years significantly increased by 1.6 % per decade.

The majority of models suggest a slight increase in total average annual precipitation across the state, largely occurring in spring, particularly in the northwest.

The review by O'Gorman et al (3) reports that a 1C increase in global mean temperature will result in a 2 % — 7 % increase in the precipitation rate; the lower values are results of GCM output, and the upper values are results from regressing estimated annual rainfalls on annual mean temperatures.

Statewide precipitation has decreased in winter (0.14 inches / decade -LSB--0.36 cm / decade]-RRB- since 1950, but no significant change has occurred in annual mean precipitation, probably because of very slight increases in spring and fall precipitation.

I am interpreting that to mean that there is a trend towards increasing annual 1 - day extreme precipitation — but I am not sure how to quantify that change.

A 1 degree average annual increase in summer temperatures, or a 25 % decrease in precipitation?

Predictions of the annual cycle of precipitation suggest an increase in precipitation later in the crop year (April - June) of ~ 10 % but a substantial decrease (up to 75 % at the tail) in precipitation later in the dry season (July - September).

Since the time of the SAR, annual land precipitation has continued to increase in the middle and high latitudes of the Northern Hemisphere (very likely to be 0.5 to 1 % / decade), except over Eastern Asia.

«Global Increasing Trends in Annual Maximum Daily Precipitation.»

Since 1895, the total annual precipitation has increased by about 6 inches, or 13 percent.

Glacier runoff does not increase or decrease the long term runoff for a basin, total runoff over a period of several years is determined largely by annual precipitation.

Last year, the paper by Wentz et al. showed that over several parts of the world, mean annual precipitation has been on the rise with increasing temperature.

The annual increase is again associated with the fact that the extreme events for the later years were significantly higher than compared to precipitation events in the 1980s.

Precipitation increases during summer months, although annual precipitation isPrecipitation increases during summer months, although annual precipitation isprecipitation is still small.

Abstract The Key Role of Heavy Precipitation Events in Climate Model Disagreements of Future Annual Precipitation Changes in California Climate model simulations disagree on whether future precipitation will increase or decrease over California, which has impeded efforts to anticipate and adapt to human - induced climate cPrecipitation Events in Climate Model Disagreements of Future Annual Precipitation Changes in California Climate model simulations disagree on whether future precipitation will increase or decrease over California, which has impeded efforts to anticipate and adapt to human - induced climate cPrecipitation Changes in California Climate model simulations disagree on whether future precipitation will increase or decrease over California, which has impeded efforts to anticipate and adapt to human - induced climate cprecipitation will increase or decrease over California, which has impeded efforts to anticipate and adapt to human - induced climate change........

A difference in mean winter precipitation of only 130 mm (5 inches), from 330 mm (13 inches) in drought scenario to 460 mm (18 inches) in a pluvial scenario, resulted in a doubling of the annual increase in runoff from treatments (Figure 7).

Results from 26 scenarios with varying levels of winter precipitation showing increases in mean annual runoff associated with mechanical thinning of ponderosa pine forests in the first analysis area of the 4FRI project.

Agricultural growing seasons warm at a pace slightly behind the annual temperature trends in most regions, while precipitation increases slightly ahead of the annual rate.

Depending on winter precipitation and the forest treatment schedule, mean annual increases in runoff from thinning of ponderosa forests across the Salt - Verde watersheds ranged from 4.76 to 15.0 million m3 (3,860 — 12,200 acre - feet) over a 35 - year treatment period, 6.18 to 23.4 million m3 (5,010 to 19,000 acre - feet) over 25 years, and 9.23 to 42.8 million m3 (7,480 to 34,700 acre - feet) over 15 years (Table 2).

It has been noted that an increase (or decrease) in heavy precipitation events may not necessarily translate into annual peak (or low) river levels.

The results obtained by Donat and his team suggest that both annual precipitation and extreme precipitation increased by 1 — 2 % per decade in dry regions, with wet areas showing similar increases in the extent of extreme precipitation and smaller increases for annual totals.

The number of stations reflecting a locally significant increase in the proportion of total annual precipitation occurring in the upper five percentiles of daily precipitation totals outweighs the number of stations with significantly decreasing trends by more than 3 to 1 (Figure 2.36 c).

AOGCM experiments suggest that global - average annual mean precipitation will increase on average by 1 to 3 % / °C under the enhanced greenhouse effect (Figure 9.18).

Along with the hot summer, annual precipitation for 2003 was as much as 12 inches (300 millimeters) below normal, leaving most of Europe in a drought.21 Damages to the agricultural sector were estimated at more than U.S. $ 16 billion (more than $ 13 billion).3, 21 Many areas saw an increase in wildfires, while low water levels in major rivers led to problems ranging from irrigating crops to cooling power plants.4, 21,22

While the HadCM3 - projected mean annual precipitation during 2070 to 2099 at El Reno, Oklahoma, decreased by 13.6 %, 7.2 %, and 6.2 % for A2, B2, and GGa1, respectively, the predicted erosion (except for the no - till conservation practice scenario) increased by 18 - 30 % for A2, remained similar for B2, and increased by 67 - 82 % for GGa1.

About 40 percent of the world's subtropics and tropics could experience an increase in consecutive dry days (the annual number of consecutive days in which precipitation is less than one millimeter per day).

Local ET increase from 50 % of mean annual precipitation to 75 % of mean annual precipitation (Zhang et al. 2001)

Average annual statewide precipitation increased by 8 % from 1873 to 2008.

A number of the comments here focus on the amount of annual precipitation as of an increase in mean precipitation means more water will be available to meet human needs.

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.

Basic theory, climate model simulations and empirical evidence all confirm that warmer climates, owing to increased water vapour, lead to more intense precipitation events even when the total annual precipitation is reduced slightly, and with prospects for even stronger events when the overall precipitation amounts increase.

Future mean annual precipitation is projected to increase 4 to 11 percent by the 2050s and 5 to 13 percent by the 2080s, relative to the 1980s base period.

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).

Mean annual precipitation has increased by a total of 8 inches from 1900 to 2013.

«Indeed it is estimated that annual mean temperature has increased by over 2 °C during the last 70 years and precipitation has decreased in most regions, except the western part of the country, indicating that Mongolia is among the most vulnerable nations in the world to global warming.»

Results show the percentage of the 1600 years of experiments during which solar maximum conditions produced increased (green) or decreased (brown) precipitation at different latitudes on the annual average.