Projected U.S. Precipitation Changes by 2100
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Summary
| Description | The climate of the southwestern U.S. could be a lot drier by 2100. The climate of the northeastern U.S. could be a lot wetter. New visualizations of computer model projections show how precipitation patterns could change across the U.S. in the coming decades under two different carbon dioxide emissions scenarios. The two climate scenarios, based on "low" and "high" levels of carbon dioxide emissions, highlight results from the draft National Climate Assessment. Both scenarios project that dry regions get drier and regions that see more rain and snow would see that trend increase. The scenario with lower emissions, in which carbon dioxide reaches 550 parts per million by 2100, projects more subtle changes. The scenario with higher carbon dioxide emissions projects changes in average annual precipitation of 10 percent or more in some regions. The visualizations, which combine the results from 15 global climate models, present projections of precipitation changes from 2000 to 2100 compare |
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| Date | 2013-07-23 |
| Source | commons.wikimedia.org |
| Author | NASA Goddard |
