Department of Atmospheric Science, Chinese Culture University, Taipei, Taiwan

Advisor: Chih-wen HungStudent: Pei-ken Kao

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mm

(shaded) (contour)

Gray line: DJF, V<0, interannual variationof wind speed

Black line: DJF,interannual variationof wind speed

Thickness line:11 years running mean

surface wind

winter rainfall

interannual variation

Taipei DJF rain days >=30mm/day rain days Total rain days

Black bars: decadal variation Gray bars: interannual variation

plain stations hill and coastal stations

winter rainfall

interannual variation

Red box:plain stations green box:

hill or coast stations

northeasterly monsoonal wind rainfall pattern frontal rainfall pattern

1997-2005 DJF

1990~1961P

P

hill and coastal stations

plainstations

latterperiod

early period

E: El NinoL: La Nina

mm

latter minus early period

°C

latter minus early period

kg/g

latter minus early period

conceptual model

END

Data8 CWB conventional surface stations and 377

ARMTS daily data(洪， 2007; Hung, 2008; Chen et al., 1999).

JMA surface weather map, 1997-2005.ERA40 re-analysis data (Uppala et al., 2005),

2.5°×2.5°, 1958-2003, monthly data.HadISST, 1.0°×1.0°, 1870-2007, monthly

data(Rayner et al., 2003). CRU rainfall data, 0.5°×0.5°, 1901-2002,

monthly data(Mitchell and Jones, 2005).

Only front

V > 0 + front

V > 0 + no front

彭佳嶼風場