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Add water (vapor) ... evaporation.
Lower the temperature of the air mass.
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What is specific humidity and relative humidity?
Relative humidity compares the amount of water vapour present in the air with the amount of water vapour that would be present in the same air at saturation. Specific humidity is the mass of water vapour present per kg of total air.
What are the two things that increase humidity?
In terms of RELATIVE humidity, you can either add moisture to the air or lower the temperature.
Which is the comparison of the amount of moisture in the air to the amount of moisture it can hold?
relative humidity
What weather factor is a hygrometer use for?
Hygrometers measure the relative humidity of the atmosphere. The relative humidity is the ratio between the present water vapor content of the air and the maximum amount of water vapor the air could hold at the same temperature. Cool air will not hold as much water vapor as warmer air. With the same amount of moisture in the air, an increase in temperature decreases the relative humidity, and if the temperature drops, relative humidity increases.
When warmer air rises above the frontal surface expands and cools as it ascends does it relative humidity increase or decrease?
Increase
What happened to the relative humidity of an air mass as water evaporates into the air?
The humidity become higher.
What happened to the relative humidity of an air mass as more water evaporates into the air?
The humidity become higher.
Will humidity increase with air pressure increase in a closed vessel?
The relative humidity in a closed vessel will not change due to pressure. Assuming water is the fluid, the relative humidity will stabilize to 100%.
Which describes how temperature humidity and pressure vary within an air mass?
Humidity makes the pressure in an air mass increase
What is specific humidity and relative humidity?
Relative humidity compares the amount of water vapour present in the air with the amount of water vapour that would be present in the same air at saturation. Specific humidity is the mass of water vapour present per kg of total air.
What term is defined as the amount of water vapor in the air compared to the amount of water that the air can hold?
This is the measure of relative humidity. At 50 percent relative humidity, the air is holding half of what it could. It is relative humidity because it is related to the temperature and pressure of the air.
How can relative humidity increase diffusion rate?
Relative humidity increases when the amount of moisture air can hold increases. The increase can be caused by the introduction of more moist air, OR a temperature drop of the air/moisture mixture without a loss of moisture. Colder air will hold less moisture than warm air; as the temperature goes down the amount of moisture relative to what the air can hold increases.
What can make the relative humidity increase if the moisture in the air remains the same?
A drop in air temperature.
What are the two things that increase humidity?
In terms of RELATIVE humidity, you can either add moisture to the air or lower the temperature.
What is the amount of water vapor in the air compared to the amount that could be in the air at that temperature?
relative humidity
Which is the comparison of the amount of moisture in the air to the amount of moisture it can hold?
relative humidity
Why does Relative Humidity increase when air cools?
Relative humidity is a measure of how much moisture is in the air relative to how much the air can hold. All the matters in the case of the latter is the air temperature. So if you cool the air temperature, the air can hold less moisture. Therefore, the air now has a larger percentage of moisture relative to what it can hold.
