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1answer
30 views

Water vapor content versus specific humidity

I am wondering the difference between water vapor content and specific humidity to determine the moisture availability in the atmosphere. Which one is more acceptable variable to determine the ...
3
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1answer
67 views

Has there ever been a study done on the effect of steam/thermal pollution on climate [duplicate]

Most people are well aware of the idea of greenhouse warming. Carbon dioxide receives particular attention, do to the uncertainty of sources, sinks, and inert properties. However, combustion, which ...
14
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1answer
297 views

Why (actually) is the night sky so bright in the city? How far up is that happening?

The recent news reported by the New York Times, the BBC and the NPR web sites (for example) as well as in the Iceland Review and Iceland Magazine sites, about the shutting-off of Reykjavik's ...
3
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1answer
2k views

How to calculate water vapor flux divergence from temperature, relative humidity, u wind and v wind?

I have temperature, u wind, v wind and relative humidity. I am wondering to calculate water vapor flux divergence and convergence. Would anybody kindly help to find our a solution for this?
4
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1answer
221 views

Cooling effect by evaporation [closed]

Why exactly does water cool down by evaporation? What happens in this process? How much does it cool down? What's the formula to describe this process?
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7answers
9k views

Is there any experiment to prove that CO2 with the atmosphere concentration can have greenhouse effect?

All gas molecules have the capability to absorb radiation energy. $\rm{CO}_2$ has much less capability to absorb radiation energy, comparing with water vapor. In Earth's atmosphere currently $\rm{CO}...
2
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1answer
394 views

Why does dew accumlate on only one side of my car?

Many days I walk out to my car to go to work and notice my windows are fogged up, I believe due to dew (haha homophones). When I am at my mother's house(O'Fallon, MO), all Windows get fogged up. When ...
10
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1answer
504 views

How does evapotranspiration affect rainfall?

Evapotranspiration is when a plant evaporates water off the surface of its leaves in order to move water throughout its system with cohesive and adheisiveforces. My question is how will a sudden ...
9
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1answer
624 views

Evaporation loss formulas

A while ago I created a spreadsheet to calculate evaporation loss. I found several formulas to do that, two from Kevin Rafferty and one from Engineering Toolbox. The one from Engineering Toolbox was ...
3
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2answers
520 views

What is the life-cycle of agricultural water used to grow crops/animals?

A là this Slate article: 1 gallon of water is required to grow a single almond 220 gallons to grow a large avocado 5,000 gallons to grow 1 lb of beef None of these things weighs anywhere near ...
13
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1answer
487 views

Where does the water from rain in rain forests come from?

When discussing a hypothetical world without oceans and just forest it occured to me that I wasn't so sure there would be any rain in the first place, due to the lack of oceans. Searching on Google ...
12
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3answers
475 views

Does the gravitational pull of the moon affect the composition of Earth's atmosphere?

In particular, does the pull of the moon affect the amount of water vapour in the Earth's atmosphere? In other words, if the moon were larger, or orbiting more closely to the earth, would the ...
3
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3answers
562 views

Regarding the melting glaciers and icebergs, why isn't the extra water vapor in the atmosphere mentioned in discussions of global warming?

As is reported on the major news networks, many glaciers and big icebergs are melting, which reportedly causes a tremendous increase in the amount of water vapor in the atmosphere. Now a lot of ...