YRF Overcrowded trees are under competitive stress from their neighbors. Thinning may be done to increase the resistance of the stand to environmental stress such as drought, insect infestation or extreme temperature.
Rising global temperatures are expected to cause greater evaporation of water vapor into the atmosphere, primarily from the oceans. On one hand, we know that water vapor is a powerful greenhouse gas, so an increase in water vapor might be expected to produce yet more warming through an enhanced greenhouse effect.lobal warming accelerates evaporation, placing more water vapor in the air. More water vapor generates a a stronger greenhouse effect, since water vapor is a greenhouse gas. However, it may also lead to the formation of more clouds, which might help cool the planet by increasing Earth's albedo.
Humidity = Water Vapor Water vapor is water in a gas form that is held in the air until it changes back to water.You know, sometimes it s sticky outside in the summer-that s just water held in the air. The water can change into fine droplets by condensing in the air, and we get clouds.umidity = Water Vapor Water vapor is water in a gas form that is held in the air until it changes back to water.