Sentences with phrase «water by precipitation»

It would be straightforward to test this with modeling by calculating the pressure change over a region due to the hydrostatic pressure changes due to the removal of precipitable water by precipitation.
Removing water by precipitation will lower the pressure in that column but only as this process continues.

Not exact matches

Clouds formed by these particles tend to be more reflective and carry more water than usual, but they don't release much precipitation.
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.
-- John Eckerle, Jupiter, FL Motor oil leaked from individual vehicles — or outright dumped by homeowners and commercial garages — constitutes a significant chunk of storm water runoff, the fallen precipitation that runs off of roads and parking lots and inevitably finds its way into local water bodies.
The excessive heat increased the rate of water loss by evaporation and caused precipitation to shift from snow to rain, leaving a meager snowpack and parched reservoirs.
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 also caused a decrease in precipitation by approximately 70 - 85 percent on land and a decrease of approximately 5 - 7 °C in seawater temperature at a 50 - m water depth, leading to mass extinction of life forms including dinosaurs and ammonites.
Another advantage to a shared sewer is that such systems are usually built to withstand heavy loads and can better accommodate periods of heavy precipitation or storm surges that might overwhelm smaller, poorly conceived or maintained home - based septic tanks, which are by virtue of their size and the laws of physics more prone to overflow and send contaminants into nearby surface and ground waters.
The increased production in these crops is driven by higher precipitation predicted to occur in the central U.S., combined with higher concentrations of carbon dioxide, which reduces a plant's water requirements.
Already a water - stressed part of the country, this region is projected to experience reduced precipitation by midcentury.
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.
Precipitation increased by almost a third between 1968 and 1990, and entire villages have been relocated due to rising water levels.
Leveraged private - sector capital might flow to renewable energy, for example, but not toward preventing water infrastructure from being compromised by flooding or helping farmers predict changes in precipitation.
May 2, 2007, Water Main: Precipitation — Not Light or Nutrients — Determines Which Tropical Trees Thrive, by David Biello.
Climate scientists know that the intensity of extreme precipitation events is on the rise because there's more water vapor in the atmosphere caused by higher global and sea temperatures.
Using a model of water flow into the lake, the researchers found that 60 % of this decline was caused by climate changes, such as change in precipitation and temperature, and that the remaining 40 % of the decline could be attributed to water resources development, such as diverting water for irrigation that would otherwise flow into the lake.
However, in many of the same places, actual evapotranspiration inferred from surface water balance exhibits an increase in association with enhanced soil wetness from increased precipitation, as the actual evapotranspiration becomes closer to the potential evaporation measured by the pans.
The study projects that, by 2020 and into the 2080s, Washington will experience higher temperatures, changes in precipitation patterns, and lower summer water supplies.
Projected shifts in temperature and precipitation are likely to reduce diffuse recharge to the Fox Hills — Hell Creek aquifer and accelerate the current depletion by water users.
Why It Matters: The Earth's water cycle is affected by energy exchanges via evaporation, transpiration, condensation, and precipitation, to name a few.
An important predictor of future ecosystem drought (defined as ecological drought in the Water chapter) susceptibility is the net balance of water gained through precipitation and water lost through evapotranspiration (the combined effect of water evaporation and the transpiration of water by plaWater chapter) susceptibility is the net balance of water gained through precipitation and water lost through evapotranspiration (the combined effect of water evaporation and the transpiration of water by plawater gained through precipitation and water lost through evapotranspiration (the combined effect of water evaporation and the transpiration of water by plawater lost through evapotranspiration (the combined effect of water evaporation and the transpiration of water by plawater evaporation and the transpiration of water by plawater by plants).
Contains articles like Pollution of the Ocean by Plastic and Trash, Pollution of the Ocean by Sewage, Nutrients, and Chemicals, Pollution Sources: Point and Nonpoint, Population and Water Resources, Ports and Harbors, Powell, John Wesley, Precipitation and Clouds, Formation of, Precipitation, Global Distribution of, Pricing, Water, Prior Appropriation, etc & hellip;
The seismologists say the weight of winter precipitation depresses the Sierra Nevada Mountains by about a centimeter -LRB-.04 inch), while stream and ground water depresses the Coast Ranges by about a half a centimeter.
Water is also strongly influenced by climate, as changes in temperature and precipitation consistently alter patterns of water availability and quality throughout the sWater is also strongly influenced by climate, as changes in temperature and precipitation consistently alter patterns of water availability and quality throughout the swater availability and quality throughout the state.
However, global mean precipitation is controlled not by the availability of water vapour, but by a balance between the latent heat of condensation and radiative cooling in the troposphere.
Precipitation is relatively abundant in Scandinavia, Finland, northwest Russia and eastern Canada, where a longer growth season (i.e. the period when sap flow is not impeded by frozen water) accelerate tree growth.
The carrageenan used in Dr. Ohhira's Probiotics is extracted using a multi-step process to avoid any degradation either by boiling the seaweed in water and freeze - drying it, or by precipitation with alcohol and then concentrating it by evaporation.
Key facts about the lesson are: The content covered by the lesson are; the water cycle as a system, the states of water and the proportion of water in different states, features / components of the water cycle (transpiration, percolation etc), flows and stores in the water cycle, factors that affect the rates of precipitation, condensation, evaporation, infiltration, percolation and interception in the water cycle.
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 this estimate, only 4.2 mm per month of liquid water equivalent are due to the mass added by enhanced precipitation; the vast majority of the effect (72 mm per month of decreased ablation) is due to the effect of precipitation on reflectivity.
Depending on your goals to start with, you might have an idea that it will be related to precipitation (if you are in an area where tree growth is constricted by water resources), or (as in Yamal) you might have an a priori expectation that it will reflect summer time temperatures.
This was an experiment which aimed to test the hypothesis that cloud seeding with silver iodide could suppress hail by creating an excess of nucleating embryos that would compete for the available cloud water (and thus keep all the hydrometeors smaller)-- more precipitation, in fewer big «globs» of hail.
2) I know sampling sites are chosen to try and limit the number of confounding factors, i.e. studies about precipitation look for trees stressed mostly by water availability.
However, higher temperatures do cause an increased chance of heavy precipitation events, and it is likely that the flooding in some of this year's U.S. flooding disasters were significantly enhanced by the presence of more water vapor in the air due to global warming.
The way I think about is that for precipitation there is a shift in distribution caused by increased water vapor.
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.
Average water conditions: The amount and distribution of precipitation within a drainage basin and the run off conditions present as determined by reviewing the area water supply records over a long period of time.
Also part of the explanation is the claim that more humid air results in more precipitation, but again I'm unclear on why warmer air can cause more water to be evaporated, but warmer air does not by the same mechanism prevent the same water from condensing.
Diarrheal diseases have also been found to occur more frequently in conjunction with both unusually high and low precipitation.93, 94 Sporadic increases in streamflow rates, often preceded by rapid snowmelt95and changes in water treatment, 96 have also been shown to precede outbreaks.
Evidence that extreme precipitation is increasing is based primarily on analysis1, 2,3 of hourly and daily precipitation observations from the U.S. Cooperative Observer Network, and is supported by observed increases in atmospheric water vapor.4 Recent publications have projected an increase in extreme precipitation events, 1,5 with some areas getting larger increases6 and some getting decreases.7, 2
The deuterium excess, a proxy of Greenland precipitation moisture source, switches mode within 1 - 3 years over these transitions and initiates a more gradual change (50 years) of the Greenland air temperature as recorded by water stable isotopes.
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.
The absolute humidity will be largely set by the oceans, so water vapor and will increase but relative humidity over land will largely decrease, resulting in less precipitation than one would otherwise expect, given Clausius - Clapeyron and a constant residence time.
But now the risk of fire is exacerbated by climate change, which heats air (stoking stronger winds) and water (leading to more evaporation and hence stronger precipitation events).
The stratosphere — which extends up to about 55 km, where the mesosphere begins — is made even less weather - prone by the absence of water vapour, and thus of the clouds and precipitation to which it leads.
This can be affected by warming temperatures, but also by changes in snowfall, increases in solar radiation absorption due to a decrease in cloud cover, and increases in the water vapor content of air near the earth's surface.2, 14,15,16,17 In Cordillera Blanca, Peru, for example, one study of glacier retreat between 1930 and 1950 linked the retreat to a decline in cloud cover and precipitation.18
With the climate warming, extreme precipitation events may start happening more frequently, a paper published by the American Water Resources Association said.
Guest essay by Dr. Tim Ball Lack of temperature data is a problem, but measures of water and precipitation are much worse.
Even in areas where precipitation does not decrease, these increases in surface evaporation and loss of water from plants lead to more rapid drying of soils if the effects of higher temperatures are not offset by other changes (such as reduced wind speed or increased humidity).5 As soil dries out, a larger proportion of the incoming heat from the sun goes into heating the soil and adjacent air rather than evaporating its moisture, resulting in hotter summers under drier climatic conditions.6
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