eda 20100915 tide gauge & aviso
DESCRIPTION
Eda 20100915 Tide Gauge & AVISO. Mean SSH from Rio et al.2009 Black dots are the locations of the tide gauge stations. Blue contours are the isobaths. Time period of data Keelung: 1980-2009 Ishigaki : 1969-2008 Gangfeng : 1997-2007 Suao : 1999-2005 Lanyu:1992-2009 Dawu:2004-2009. - PowerPoint PPT PresentationTRANSCRIPT
Eda20100915
Tide Gauge&
AVISO
Time period of dataKeelung: 1980-2009Ishigaki: 1969-2008Gangfeng: 1997-2007Suao: 1999-2005Lanyu:1992-2009Dawu:2004-2009
Mean SSH from Rio et al.2009
Black dots are the locations of the tide gauge stations.
Blue contours are the isobaths.
outline
• EOF (AVISO SSH, ECMWF wind stress, curl)• Mean wind stress and curl
• Correlation Coef. , regression and time series of:North Taiwan (tide gauge & AVISO)South TaiwanEast Luzon
• AVISO SSHA Latitude-Time plot (eddy propagation)
EOF AVISO SSH: monthly
EOF AVISO SSH: 360d running mean
mode1: 67% mode2: 7.3% mode3: 3.9 %
Mean wind stress (Pa) and curl (Pa/m)1980~2008Wind filed is dominated by winter monsoon
EOF ECMWF wind stress curl: 720d running mean
EOF ECMWF wind stress: 720d running mean
Time series of SSHATide gauge (black solid)AVISO (red dash)
Comparison: tide gauge and AVISO
Time series of SSHAAVISO: south Taiwan
Time series of SSHAAVISO: east Luzon
Correlation and regression of AVISO SSHA & Tide Gauge North Taiwan
Correlation and regression of AVISO SSHA North Taiwan
Correlation and regression of AVISO SSHASouth Taiwan
Correlation and regression of AVISO SSHAEast Luzon
7 days
monthly
Comparison: tide gauge and AVISO
Comparison: tide gauge and AVISO
+ve
http://jisao.washington.edu/pdo/
SST (color), SLP (contours) and wind
stress (arrows) anomalies during +ve
and –ve PDO’s
-ve
1990
http://www.o3d.org/npgo/