Abstract
The sensitivity of the precipitation responses to greenhouse warming can depend on the present-day climate. In this study, a robust linkage between the present-day precipitation climatology and precipitation change owing to global warming is examined in inter-model space. A model with drier climatology in the present-day simulation tends to simulate an increase in climatological precipitation owing to global warming. Moreover, the horizontal gradient of the present-day precipitation climatology plays an important role in determining the precipitation changes. On the basis of these robust relationships, future precipitation changes are calibrated by removing the impact of the present-day precipitation bias in the climate models. To validate this result, the perfect model approach is adapted, which treats a particular model’s precipitation change as an observed change. The results suggest that the precipitation change pattern can be generally improved by applying the present statistical approach.
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Ham, YG., Kug, JS. Present-day constraint for tropical Pacific precipitation changes due to global warming in CMIP5 models. Asia-Pacific J Atmos Sci 52, 459–466 (2016). https://doi.org/10.1007/s13143-016-0030-z
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DOI: https://doi.org/10.1007/s13143-016-0030-z