Evidence for intensification of the global water cycle: Review and synthesis
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Abstract
One of the more important questions in hydrology is: if the climate warms in the future, will there be an intensification of the water cycle and, if so, the nature of that intensification? There is considerable interest in this question because an intensification of the water cycle may lead to changes in water-resource availability, an increase in the frequency and intensity of tropical storms, floods, and droughts, and an amplification of warming through the water vapor feedback. Empirical evidence for ongoing intensification of the water cycle would provide additional support for the theoretical framework that links intensification with warming. This paper briefly reviews the current state of science regarding historical trends in hydrologic variables, including precipitation, runoff, tropospheric water vapor, soil moisture, glacier mass balance, evaporation, evapotranspiration, and growing season length. Data are often incomplete in spatial and temporal domains and regional analyses are variable and sometimes contradictory; however, the weight of evidence indicates an ongoing intensification of the water cycle. In contrast to these trends, the empirical evidence to date does not consistently support an increase in the frequency or intensity of tropical storms and floods.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Evidence for intensification of the global water cycle: Review and synthesis |
| Series title | Journal of Hydrology |
| DOI | 10.1016/j.jhydrol.2005.07.003 |
| Volume | 319 |
| Issue | 1-4 |
| Year Published | 2006 |
| Language | English |
| Publisher | Elsevier |
| Contributing office(s) | New England Water Science Center |
| Description | 13 p. |
| First page | 83 |
| Last page | 95 |
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