Sentences with phrase «evaporation of water from»

A ground cover is also recommended to limit evaporation of water from the soil.
The water vapor pressure is below the saturation value of 101325 Pa at 373.15 K (that isn't quite right either, but close enough) so there will be net evaporation of water from the surface as it warms from absorption of radiation and conduction from the water vapor.
Evaporation of water from the surface takes heat stored in the earth or water and transfers it to the atmosphere.
For example, as summer ice cover declines (as it has since the 70s), has the summer evaporation of water from the surface increased?
As for rainfall, in the simplest models, lowered temperatures decrease evaporation of water from the surface into the air; and less water vapor translates to less rain.
Formation of nitrogen - and sulfur - containing light - absorbing compounds accelerated by evaporation of water from secondary organic aerosols
The vast bulk of this is produced by the natural process of evaporation of water from the sea.
They found that evaporation of water from the soil surface significantly decreased with increasing aggregate mulch thickness.
«During the evaporation of the water from the ocean, the water molecules formed by lighter isotopes will get preferentially evaporated, while during condensation the heavier isotopes will condense more effectively,» he says.
A major missing component, he says, are thermal bands in the far infrared, which enable Landsat to monitor the evaporation of water from plants.
«With dry eye, this optical function is disrupted by either insufficient tear volume or by excessively rapid evaporation of water from the tear film,» explains Richard Braun, a professor in the University of Delaware's Department of Mathematical Sciences.
Follow - up experiments failed to replicate MacDougall's findings, and some researchers attributed the weight loss to straightforward processes like the evaporation of water from the body.
Cooler night temperatures also allow the scanner to stay cool and minimize the evaporation of water from the surface during the scanning procedure.
Chile plants hate getting there feet too wet, particularly when there is not enough climatic heat to drive the process of transpiration (the evaporation of water from both the plant's leaf and the soil).
Evaporated milk is made by removal or evaporation of water from milk without the addition of any preserving material.

Not exact matches

The water from the juice is extracted by evaporation, but the concentrated juice retains all its nutritional characteristics except for the fact that it loses some of its Vitamin C in the process.
Sea salt is produced through evaporation of ocean water or water from saltwater lakes, usually with little processing.
Evaporation from the ocean waters can also lower the density of the air close to the surface to the point that it can not mix with the air layer above it.
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.
Their analysis reveals that the conversion of broadleaved forests to coniferous forests caused significant changes in evapotranspiration, the evaporation of water through leaves, and albedo, the amount of solar energy reflected from the Earth back into space.
«In reality, the suction that exists within the water - conducting cells arises from the evaporation of water molecules from the leaves.
In this case, the additional force that pulls the water column up the vessels or tracheids is evapotranspiration, the loss of water from the leaves through openings called stomata and subsequent evaporation of that water.
«Water evaporation and condensation processes as well as the strong greenhouse effect of water vapor and clouds decisively influence the energy balance of the atmosphere and the entire planet,» says Matthias Schneider from the KIT Institute of Meteorology and Climate Research (Water evaporation and condensation processes as well as the strong greenhouse effect of water vapor and clouds decisively influence the energy balance of the atmosphere and the entire planet,» says Matthias Schneider from the KIT Institute of Meteorology and Climate Research (water vapor and clouds decisively influence the energy balance of the atmosphere and the entire planet,» says Matthias Schneider from the KIT Institute of Meteorology and Climate Research (IMK).
The findings, published in Environmental Research Letters, highlight the importance of heat - mitigation strategies and infrastructures such as green roofs — in which vegetation transfers moisture from the earth to the atmosphere by evaporation of water and transpiration from plants.
«A sort of grand problem in Earth science is to understand the water cycle — evaporation from the ocean, clouds, rain, the formation of ice, the runoff from the land back into the sea,» said Eric Lindstrom, Aquarius program scientist at NASA.
The river water reaching the Nile Delta does not contain a third more salt than before the Aswan High Dam was built: it is the same amount of salt, only more concentrated due to the evaporation from Lake Nasser.
More to explore Just Keep Cool — How Evaporation Affects Heating and Cooling, from Science Buddies Specific Heat, Heat of Vaporization and Density of Water, from Khan Academy Perspiration Cooling of Body, from HyperPhysics Heat of Vaporization of Water and Ethanol, from Khan Academy Science Activities for All Ages!
Evaporation from overwatered lawns cost the city of Los Angeles 70 billion gallons of wasted water a year.
The striped patterns also don't have the high salt concentrations we would expect from the repeated deposition and evaporation that would happen if the cause was water, says Anna Grau Galofre at the University of British Columbia in Canada.
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.
(Evapotranspiration is the process by which water is transferred from soil and groundwater to the atmosphere through plant transpiration — loss of water through foliage — and soil evaporation.)
They retain water and decrease the loss of moisture from the skin surface following deposition of a film hindering water evaporation and minimizing the aspect of fine wrinkling.
Water needs a humectant or occlusive moisturizing ingredient, otherwise there's nothing protecting the skin from the loss of water from evaporaWater needs a humectant or occlusive moisturizing ingredient, otherwise there's nothing protecting the skin from the loss of water from evaporawater from evaporation.
Year 4 Science Assessments Objectives covered: Recognise that living things can be grouped in a variety of ways Explore and use classification keys to help group, identify and name a variety of living things in their local and wider environment Recognise that environments can change and that this can sometimes pose dangers to living things Describe the simple functions of the basic parts of the digestive system in humans Identify the different types of teeth in humans and their simple functions Construct and interpret a variety of food chains, identifying producers, predators and prey Compare and group materials together, according to whether they are solids, liquids or gases Observe that some materials change state when they are heated or cooled, and measure or research the temperature at which this happens in degrees Celsius (°C) Identify the part played by evaporation and condensation in the water cycle and associate the rate of evaporation with temperature Identify how sounds are made, associating some of them with something vibrating Recognise that vibrations from sounds travel through a medium to the ear Find patterns between the pitch of a sound and features of the object that produced it Find patterns between the volume of a sound and the strength of the vibrations that produced it Recognise that sounds get fainter as the distance from the sound source increases Identify common appliances that run on electricity Construct a simple series electrical circuit, identifying and naming its basic parts, including cells, wires, bulbs, switches and buzzers Identify whether or not a lamp will light in a simple series circuit, based on whether or not the lamp is part of a complete loop with a battery Recognise that a switch opens and closes a circuit and associate this with whether or not a lamp lights in a simple series circuit Recognise some common conductors and insulators, and associate metals with being good conductors
However drought - resistant plants conduct this process at night and close their pores during the day when the rate of water loss from evaporation is...
Only about 40 % of the water reaches the crops, while evaporation in the hot sun takes more than two metres of water a year from the reservoirs - a total of around 300m cubic metres from Elephant Butte alone.
This transcendence can be as open to interpretation as the evaporation of sea water, the struggle to personify the natural world in human form in order to make an emotive connection, or ultimately, the idea of interpreting a belief system as architecture, both of the natural and man - made world, in order to transport oneself from a secular state to a sacred experience.
I begin each piece with a stain of color, the product of chance evaporation of ink and water from the paper as it lies on the floor of the studio.
These natural frozen reservoirs have been part of our water resource management system in the western US and now this system is changing from glacier and snowpack changes and summer evaporation.
«Century of Data Shows Intensification of Water Cycle but No Increase in Storms or Floods Released: 3/15/2006 12:13:21 PM» (excerpt) A review of the findings from more than 100 peer - reviewed studies shows that although many aspects of the global water cycle have intensified, including precipitation and evaporation, this trend has not consistently resulted in an increase in the frequency or intensity of tropical storms or floods over the past cenWater Cycle but No Increase in Storms or Floods Released: 3/15/2006 12:13:21 PM» (excerpt) A review of the findings from more than 100 peer - reviewed studies shows that although many aspects of the global water cycle have intensified, including precipitation and evaporation, this trend has not consistently resulted in an increase in the frequency or intensity of tropical storms or floods over the past cenwater cycle have intensified, including precipitation and evaporation, this trend has not consistently resulted in an increase in the frequency or intensity of tropical storms or floods over the past century.
Hatun et al. examined the possibilities that [i] a change in rain falling over the ocean (freshens the water) and evaporation (increases the salinity by removing water and leaving salt behind), [ii] increased salinity in the sub-tropical gyre (in the main part of the North Atlantic), [iii] increased salinity in the sub-polar gyre, or [iv] dynamical changes in the relative contributions from the two gyres could explain the high salinities in the in - flow regions.
(I think that an anomalously warm ocean surface heated from below would lead to more evaporation, and the additional water vapor would give a positive greenhouse effect that would partially offset the effect of a drop in greenhouse gas concentrations.)
The sinking is mainly driven by the saltiness of the water, which is affected by evaporation of fresh water from the surface or, particularly in the Arctic, freezing seawater which leaves salt behind in the water beneath the ice.
... At sea surface temperatures above 80 Fahrenheit (27 C), evaporation loads the atmosphere with a critical amount of water vapor... a controlling factor seems to keep the same thing from happening on Earth.
The conversion of a water molecule to a water vapour molecule involves a huge energy transfer from water to air so evaporation alone is a substantial factor.
And once wide swaths of tree are cut, large land areas lose their shade cover, resulting in more evaporation from the soil, further reducing water flows.
The planet when understood, is in constant change from water loss to space to distance changes from the sun... but a general assessment of areas for decades is possible with watching salt ocean patterns as that dictates evaporation.
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.
However, there is also the expansion of the Hadley Cells where water vapor from tropical ocean evaporation rises, water in the form of rain falls out as the air cools with increased altitude, then dry air descends at poleward edge of the cells in the dry subtropics.
The water vapor evaporated from the surface taking with it latent heat of evaporation (the molecules» kinetic energy) when those water vapor molecules reach the condensation level they change state — and release energy — then again when they freeze they release energy.
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