Sentences with phrase «by precipitation levels»

And when the last three water years are evaluated (October 1, 2011 to September 30, 2014), we see that the current drought (measured only by precipitation levels) is by far the most severe in the entire instrumental record (Figure 3).

Not exact matches

During this time, precipitation and meltwater seeped into the exposed shelf areas and filled water tables, which were then covered up by the ocean as sea levels rose again.
The gathering will draw approximately 400 representatives from other Arctic nations and interested foreign observers, and will give Obama a platform to highlight how changes in the Arctic will affect the rest of the world by accelerating warming, contributing to sea - level rise and changing precipitation patterns at lower altitudes.
A 12 percent increase in the rate of aquifer recharge from added precipitation, combined with a projected 3 - foot rise in sea level by the end of the century, would raise groundwater levels in some parts of the city by an additional foot — up to 4 feet higher than current levels.
The lakes they examined are so - called closed - basin lakes, which have rivers feeding into them, but not draining them, meaning that changes in lake levels are governed solely by precipitation and evaporation.
Precipitation increased by almost a third between 1968 and 1990, and entire villages have been relocated due to rising water levels.
Greater numbers of plant species in ruderal based environments were found in equatorial areas where the level of water (represented by mean annual precipitation) related variables are high, whereas competitive and stress tolerant based plant environments were found in locations where energy (represented by mean annual temperature) are expressed with greater weight acting on the distribution.
In the Northeast, «Communities are affected by heat waves, more extreme precipitation events, and coastal flooding due to sea level rise and storm surge,» for example, while in the Southeast and Caribbean, «Decreased water availability, exacerbated by population growth and land - use change, causes increased competition for water.
A summary of the ability of AOGCMs to simulate the seasonally varying climate state is provided by Figure 8.11, which displays error measures that gauge how well recent models simulate precipitation, sea level pressure and surface temperature, compared with their predecessors.
These facts help explain why, in spite of the Earth's air temperature increasing to a level that the IPCC claims is unprecedented in the the past millennium or more, a recent study by Randall et al. (2013) found that the 14 % extra carbon dioxide fertilization caused by human emissions between 1982 and 2010 caused an average worldwide increase in vegetation foliage by 11 % after adjusting the data for precipitation effects.
As noted by Reager (2016) in A Decade of Sea Level Rise Slowed by Climate - Driven Hydrology, researchers had determined the seasonal delay in the return of precipitation to the oceans causes sea levels to oscillate by 17 ± 4 mm [~ 0.7 inches] per year.
Water levels are influenced by the amount of evaporation from decreased ice cover and warmer air temperatures, by evapotranspiration from warmer air temperatures, and by potential increases in inflow from more precipitation.
Freezing level elevations are incorporated by including only May and October precipitation occuring when Stevens Pass temperature is below 7oC as accumulation season precipitation.
Hundreds of millions of people in urban areas across the world will be affected by rising sea levels, increased precipitation, inland floods, more frequent and stronger cyclones and storms, and periods of more extreme heat and cold.
With few exceptions (north central India, the Ogallala in US), goundwater is replenished annually by precipitation — well levels do nt fall, with a few exceptions like Miami's Biscayne acquifer.
Snow levels will really plummet on Thursday, but all precipitation will have exited the region by then.
A new report by the New York City Panel on Climate Change details significant future increases in temperature, precipitation and sea level in the New York metropolitan area.
CO2 has a strong sensitivity to temperature and this is enhanced over continents by precipitation and therefore the average level of moisture in soil.
''... the traditional dynamic downscaling (TDD)[i.e. without tuning) overestimates precipitation by 0.5 - 1.5 mm d - 1... The 2 - year return level of summer daily maximum temperature simulated by the TDD is underestimated by 2 - 6 °C over the central United States - Canada region».
Projected temperature would increase by 2050 by about 2 °C above the current level (a warming similar to that predicted by the ensemble mean of the CMIP5 simulations) and precipitation would decrease by an additional 30 % compared to the current conditions.
Changes in lake levels are determined primarily by changes in river inflows and precipitation onto and evaporation from the lake.
A team of Berkeley Lab researchers has performed molecular level analysis of desert biological soil crusts — living ground cover formed by microbial communities — to reveal how long - dormant cyanobacteria become activated by rainfall then resume dormancy when the precipitation stops.
It is a critical and highly integrated natural and economic system threatened by changing land - use patterns and a changing climate — including sea level rise, higher temperatures, and more intense precipitation events.
But this claim is discredited by University of Washington climatologist Cliff Mass, who after examining precipitation levels in the Gulf found that «[t] here is no evidence that global warming is influencing Texas coastal precipitation in the long term and little evidence that warmer than normal temperatures had any real impact on the precipitation intensity from this storm.»
Between 1895 and 2011, temperatures in the Northeast increased by almost 2 ˚F (0.16 ˚F per decade), and precipitation increased by approximately five inches, or more than 10 % (0.4 inches per decade).4 Coastal flooding has increased due to a rise in sea level of approximately 1 foot since 1900.
Both also depend on aging infrastructure that has already been stressed by climate hazards including heat waves, as well as coastal and riverine flooding due to a combination of sea level rise, storm surge, and extreme precipitation events.
Infrastructure will be increasingly compromised by climate - related hazards, including sea level rise, coastal flooding, and intense precipitation events.
Trees are subject to alteration of their growth rate by a wide variety of environmental factors including precipitation, nutrition, insolation, and the co2 level in their immediate environment.
And western intensification of warm - water currents produces entirely different precipitation levels compared to opposite coasts washed by equatorward - bound cool currents.
We know these clouds are related to low - level stability, but they also are affected by shallow convection, precipitation processes, and changes in the capping inversion height.
Sea levels are rising (ask the Mayor of Miami who has spent tax monies to raise road levels), we've had 15 of the hottest years eve measured, more precipitation is coming down in heavy doses (think Houston), we're seeing more floods and drought than ever before (consistent with predictions), the oceans are measuring warmer, lake ice in North America is thawing sooner (where it happens in northern states and Canada), most glaciers are shrinking, early spring snowpacks out west have declined since the 1950's, growing seasons are longer throughout the plains, bird wintering ranges have moved north, leaf and bloom dates recorded by Thoreau in Walden have shifted in that area, insect populations that used to have one egg - larva - adult cycle in the summer now have two, the list goes on and on.
Scientists say the tropical storm was likely intensified by climate change: rising sea levels means larger storm surges, warmer ocean waters cause more precipitation, and unseasonal weather means hurricane season may be lasting longer.
Most climatologists believe that if temperatures rise more than another 1 degree C by 2100, conditions on the planet could become radically different and disruptive, including sharp shifts in precipitation patterns, more severe storms and droughts, the disappearance of the Arctic ice cap in summer, Greenland ice sheet instability, and much higher sea levels.
She continues by observing that «it is likely that both extreme weather events (storms, floods, heat waves) and changes in mean temperatures, precipitation and sea - levels will in many cases contribute to increasing levels of mobility.»
Increasing temperature and heavier precipitation events, along with sea level rise, are projected by the report to accelerate in the coming decades, increasing risks for the people, economy and infrastructure of New York City.
At the state level, Rhode Island, New Hampshire, Massachusetts, Vermont, New York and Louisiana all saw extreme precipitation events increase in frequency by more than 50 percent.
New England and the Mid-Atlantic saw storms with extreme precipitation levels increase in frequency by 61 percent and 42 percent, respectively.
However, changes in resource levels, pollution, temperature, precipitation, etc. estimated by the IAMs can not, in turn, impact levels of these Human System variables and properties because they are exogenous to the IAMs.
The River Lavant valley in Austria, which has a low level of precipitation and a limited number of springs, has already been affected by water shortages during hot summers, the EEA writes.
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.
We use the 9 climate variables of surface air temperature (SAT), sea level pressure (SLP), precipitation (rain), the top of atmosphere (TOA) shortwave (SW) and longwave (LW) full - sky radiation, clear - sky radiation (CLR, radiative flux where clouds do not exists), and cloud radiative forcing (CRF, radiative effect by clouds diagnosed from the difference between full - sky and clear - sky radiation, Cess et al. 1990).
The magnitude of sea - level estimates for the past 100 million years rely heavily on foraminiferal calcite oxygen isotopes (δ18O), which are influenced by temperature, evaporation and precipitation, and diagenesis2.
«The evaporation and evapotranspiration levels considerably exceed rain precipitation, besides the erosion caused by infiltration,» explains Coronado.
Gray points to observations that show that (contrary to IPCC model assumptions) precipitation increases linearly as SST goes up (refer to Wentz et al. report cited earlier), that there is no observed upper level moistening to maintain constant RH as models are predicting (refer to Minschwaner + Dessler) and that there is no observed upper tropospheric enhancement of warming as assumed by models (missing «hot spot»).
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