期刊
JOURNAL OF CLIMATE
卷 27, 期 22, 页码 8372-8383出版社
AMER METEOROLOGICAL SOC
DOI: 10.1175/JCLI-D-14-00183.1
关键词
Precipitation; Rainfall; Climate change; Hydrologic cycle; Climate models; Convective parameterization
资金
- NSF [AGS-0960497]
- Div Atmospheric & Geospace Sciences
- Directorate For Geosciences [0960497] Funding Source: National Science Foundation
Changes in the frequency and intensity of rainfall are an important potential impact of climate change. Two modes of change, a shift and an increase, are applied to simulations of global warming with models from phase 5 of the Coupled Model Intercomparison Project (CMIP5). The response to CO2 doubling in the multimodel mean of CMIP5 daily rainfall is characterized by an increase of 1% K-1 at all rain rates and a shift to higher rain rates of 3.3% K-1. In addition to these increase and shift modes of change, some models also show a substantial increase in rainfall at the highest rain rates called the extreme mode of response to warming. In some models, this extreme mode can be shown to be associated with increases in grid-scale condensation or gridpoint storms.
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