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The Arden Buck equations are a group of empirical correlations that relate the saturation vapor pressure to temperature for moist air.The curve fits have been optimized for more accuracy than the Goff–Gratch equation in the range −80 to 50 °C (−112 to 122 °F).
e * is the saturation water vapor pressure T is the absolute air temperature in kelvins T st is the steam-point (i.e. boiling point at 1 atm.) temperature (373.15 K) e * st is e * at the steam-point pressure (1 atm = 1013.25 hPa) Similarly, the correlation for the saturation water vapor pressure over ice is:
The Tetens equation is an equation to calculate the saturation vapour pressure of water over liquid and ice. It is named after its creator, O. Tetens who was an early German meteorologist. It is named after its creator, O. Tetens who was an early German meteorologist.
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This equation and notation works in much the same way as the temperature equation. This equation describes the motion of water from one place to another at a point without taking into account water that changes form. Inside a given system, the total change in water with time is zero. However, concentrations are allowed to move with the wind.
A jengu (pl. miengu) is a water spirit in the traditional beliefs of the Sawabantu groups of Cameroon, like the Duala, Bakweri, Malimba, Subu, Bakoko, Oroko people. Among the Bakweri, the term used is liengu (plural: maengu). [1] Miengu are similar to bisimbi (singular: simbi) in the Bakongo spirituality and Mami Wata.
Hantu Air, Puaka Air or Mambang Air is the Malay translation for Spirit of the Water or Water Ghost, which according to animist traditions in Maritime Southeast Asia, is the unseen inhabitant of watery places such as rivers, lakes, seas, swamps and even ditches. [1]
The xanas promise treasures and can be disenchanted. Some xanas also attack people and steal their food. They live in fountains and caves. [1]: 28 A xana can be a beneficial spirit, offering "love water" [clarification needed] to travellers and rewards of gold or silver to those found worthy through some undefined judgment.