Review of literature on evaporation suppression

Magin, G.B.; Randall, L.E.

doi:10.3133/pp272c

Cited by 17 publications

(8 citation statements)

References 104 publications

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“…Among others, Meyer (1915), Rohwer (1931), Penman (1948), Marciano and Harbeck (1952), and Harbeck et al (1958) proposed several equations on the basis of large amounts of experimental data. More detailed reviews may be found in Sartori (2000), Sweers (1976) and Magin and Randall (1960), whose papers do not consider the evaporation from saline water bodies.…”

Section: Introductionmentioning

confidence: 99%

Proposing a formula for evaporation measurement from salt water resources

Kokya

2007

Hydrological Processes

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Abstract:Evaporation involves the change in state of a liquid to a vapour. The evaporation rate from salt-water resources depends mostly on saturated vapour pressure above its surface. On the other hand, the saturated vapour pressure is affected by the ion activity coefficient, which stems from the chemical salt concentration of water. Thus, an increase in concentration of water results in a reduction of saturated vapour pressure. In order to acquire the actual rate of evaporation from salt-water resources, a uniform set of evaporation pans with different but specified salt concentrations were used, in a meteorological station under the same conditions. The difference in evaporation rate of each pan can only stem from the difference in chemical salt concentration and, indeed, the molar fraction of water in each saline solution. Therefore, by applying the water molar fraction in the pressure term of fresh-water evaporation measurement formulas, these equations were developed further for determination of evaporation rate from salt-water resources. The proposed formulas using very simple terms seem to be suitable for determination of evaporation rate from any water (typically saline, semi-saline and fresh water) with a satisfactory precision.

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Section: Introductionmentioning

confidence: 99%

Proposing a formula for evaporation measurement from salt water resources

Kokya

2007

Hydrological Processes

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“…Water may be salvaged by use of evaporation suppressants on surface reservoirs in the western half of the region where evaporation rates are high. Experiments with evaporation suppressants (Magin and Randall, 1960) indicate suppression may not be practical or feasible on large reservoirs, but is promising for use on small ponds. Evaporation losses could be eliminated by storing water underground and pumping it out as needed.…”

Section: Ground-water Conservationmentioning

confidence: 99%

Summary appraisals of the nation's ground-water resources – Souris-Red-Rainy region

Reeder¹

1978

Professional Paper

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“…Since the pioneer works of Rideal(l925) and Langmuir (1927), it has been known that the monomolecular film formed by the surfactants on the water surface suppresses water evaporation. This effect has raised world wide interest ( Magin and Randal, 1960). It seems that the most efficient suppressors of water evaporation are the aliphatic alcohols with 14 to 18 C-atoms (Mansfield, 1959).…”

Section: Introductionmentioning

confidence: 99%

Surfactants and soil water evaporation and migration

Tschapek

Boggio

1981

J Plant Nutrition & Soil

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1. Water evaporation from soil and sand columns is smaller when the surfactant is placed on the surface, and larger when it is located at the bottom. Water evaporation from soil and sand mixed with the surfactant is as high as without the surfactant. 2. The fact that water evaporation from soil and sand depends on the location of the surfactant in the column is accounted for by the dominant role of migration but not by the suppressive action of the surfactant film on water evaporation. 3. Water migration from sites with surfactant towards sites without surfactant is caused by two pressures: the capillary and the additional pressure arising from the spreading of the surfactant. 4. The importance of the additional pressure on water migration is shown by experiments which rule out the existence of a capillary pressure difference.

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Review of literature on evaporation suppression

Cited by 17 publications

References 104 publications

Proposing a formula for evaporation measurement from salt water resources

Proposing a formula for evaporation measurement from salt water resources

Summary appraisals of the nation's ground-water resources – Souris-Red-Rainy region

Surfactants and soil water evaporation and migration

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