TROPICAL REGIONAL TROPICAL REGIONAL PRECIPITATION ANOMALIES: PRECIPITATION ANOMALIES: Global warming and El Global warming and El Ni Niñ o o cases cases J. David J. David Neelin Neelin * * , , Hui Hui Su Su * * and and Chia Chia Chou Chou ** ** * Dept. of Atmospheric Sciences & Inst. of Geophysics and Planetary Physics, U.C.L.A., ** Inst. of Earth Sciences, Academia Sinica, Taiwan • Tropical regional precipitation anomalies associated with changes in deep convection zones: including drought regions in global warming case; mechanisms?; any similarities in El Niño case? • Intermediate complexity climate model QTCM (Quasi-equilibrium Tropical Circulation Model) www.atmos.ucla.edu/~csi
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TROPICAL REGIONAL PRECIPITATION ANOMALIES: Global warming ...atmos.ucla.edu/~csi/PPT/telecon_glbwrm.pdf · Global warming and El . NiñNi o. cases. J. David . Neelin *, Hui Su * and
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TROPICAL REGIONALTROPICAL REGIONALPRECIPITATION ANOMALIES:PRECIPITATION ANOMALIES:Global warming and El Global warming and El NiNiñoo casescasesJ. David J. David NeelinNeelin**, , HuiHui SuSu** and and ChiaChia ChouChou****
*Dept. of Atmospheric Sciences & Inst. of Geophysics and Planetary Physics, U.C.L.A.,
**Inst. of Earth Sciences, Academia Sinica, Taiwan
• Tropical regional precipitation anomalies associated with changes in deep convection zones: including drought regions in global warming case; mechanisms?; any similarities in El Niño case?
• Intermediate complexity climate model QTCM (Quasi-equilibrium Tropical Circulation Model)www.atmos.ucla.edu/~csi
Observed anomalies during JulyObserved anomalies during July--Nov 1997Nov 1997
Precipitation(mm/day)
TroposphericTemperature
QTCM anomalies forced by Pacific positive SST QTCM anomalies forced by Pacific positive SST anomalies Julyanomalies July--Nov 1997Nov 1997
ENSO vs. Global warmingENSO vs. Global warmingJ. David J. David NeelinNeelin**, , HuiHui SuSu** and and ChiaChia ChouChou****
*Dept. of Atmospheric Sciences & Inst. of Geophysics and Planetary Physics, U.C.L.A.,
**Inst. of Earth Sciences, Academia Sinica, Taiwan
• Tropical regional precipitation changes associated with shifts of or anomalies within deep convection zones: mechanisms for ENSO case; any similarities in global change case?
• Intermediate complexity climate model QTCM (Quasi-equilibrium Tropical Circulation Model)www.atmos.ucla.edu/~csi
TROPICAL PRECIPITATION ANOMALIES:TROPICAL PRECIPITATION ANOMALIES:ENSO TELECONNECTIONS VS.ENSO TELECONNECTIONS VS.
GLOBAL WARMINGGLOBAL WARMINGJ. David J. David NeelinNeelin**, , HuiHui SuSu** and and ChiaChia ChouChou****
*Dept. of Atmospheric Sciences & Inst. of Geophysics and Planetary Physics, U.C.L.A.,
**Inst. of Earth Sciences, Academia Sinica, Taiwan
• Tropical regional precipitation changes associated with shifts of or anomalies within deep convection zones: any similarity of mechanisms for ENSO and global change cases?
• Intermediate complexity climate model QTCM (Quasi-equilibrium Tropical Circulation Model)