Water vapor, water vapour or aqueous vapor, is the gaseous phase of water. It is
one state of ..... Other sources of atmospheric water include combustion,
respiration, volcanic eruptions, the transp...
Evaporation from large bodies of water, such as tropical seas and lakes is one of
the sources of water vapor in the air. Other sources include the natural ...
Human-caused sources are shown in orange and natural sources and sinks in
teal. .... The water vapor concentration can be several percent over warm tropical
The water vapor molecules, in turn, radiate heat in all directions. Some of the
heat returns to the Earth''s surface. Thus, water vapor is a second source of
Anthropogenic use of water is less than 1% of natural sources of water vapour
and about 70% of the use of water for human activity is from irrigation (Döll, 2002)
In addition to the induced changes in water vapor content there are three other<
direct, sources of anthropogenic water vapor: 1. Evaporation and transpiration ...
Nov 27, 2010 ... This "latent heat of condensation" is released again when the water vapor
condenses to form cloud water. This source of heat helps drive the ...
Some sources of greenhouse gases are natural and some are man-made. ... The
amount of man-made water vapour is insignificant compared to the amount of ...
Jan 28, 2011 ... It's true that water vapour is the biggest overall contributor to the greenhouse
effect and that humans are ... Unlike CO2, which can persist in the air for
centuries, water vapour cycles through the atmosphere ... More resources ...
Over 99% of the atmospheric moisture is in the form of water vapor, and this
vapor is the principal source of the atmospheric energy that drives the