Saturday, July 26, 2014

Over time, an increased level of carbon dioxide may result in global warming. How might increased global temperatures affect the water cycle?

Global warming is a serious threat to us and the scientific community is trying to study how this will affect the environment and our lives. One of the main areas of concern is its effect on our water cycle, which consists of processes such as evaporation, evapotranspiration, condensation, and precipitation.


An increase in global temperature will likely increase the rate of evaporation from our surface water bodies. This will reduce the quantity of water in these bodies. Warmer air is capable of holding more water vapors and this will likely result in more intense rainstorms (precipitation events) and flooding. Higher temperatures will also cause land to become more dry and increase the risk of droughts. It is also expected that precipitation will be more likely in the form of rain than snow, causing stress on the areas fed with rivers dependent on gradual melting of snow. Another impact to the water cycle will be the melting of ice caps and glaciers, which may increase the quantity of water in surface water bodies. This increase, unfortunately, will not be during the high demand times and will cause water scarcity. 


Hope this helps. 

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