HR: 1340h
AN: H53C-0478    [Abstracts]
TI: How often will it rain?
AU: * Sun, Y
EM: sunying@cma.gov.cn
AF: National Climate Center, China Meteorological Administration, 46 Zhougguancun Nandajie, Beijing, 100081 China
AU: Solomon, S
EM: susan.solomon@noaa.gov
AF: NOAA Aeronomy Lab, 325 Broadway, Boulder, CO 80305 United States
AU: Dai, A
EM: adai@ucar.edu
AF: Climate and Global Dynamics Division, NCAR, 1850 Table Mesa Drive, Boulder, CO 80305 United States
AU: Portmann, R W
EM: robert.w.portmann@noaa.gov
AF: NOAA Aeronomy Lab, 325 Broadway, Boulder, CO 80305 United States
AB: It has been reported that in a warmer future climate with increased greenhouse gases, there is a decrease in precipitation frequency and an increase in precipitation intensity. We used the outputs from current climate models for IPCC 4th assessment report and found that, although all the models show the increased precipitation intensity under SRESB1 and SRESA1B, some models show the increased precipitation frequency too. For different categories of precipitation amount, there are big differences in changes in precipitation frequency and intensity between the models. However, all the models show an increase in frequency of heavy (20-50mm day-1) and very heavy (>50 mm day-1) precipitation. The multi-model ensembles show different patterns for the change in precipitation intensity and frequency for different precipitation categories.
DE: 1854 Precipitation (3354)
DE: 3354 Precipitation (1854)
SC: Hydrology [H]
MN: Fall Meeting 2005