The GDP Drifter Data Assembly Center (DAC)
Mean Velocity Estimates
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Annual Mean Velocity Estimates
Mean Velocity Estimates
Variances about the Mean Velocity Estimates
NPT Plots
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Postscript files available for download
Indian
Pacific
North Atlantic
South Atlantic
Tropical Atlantic
Mean Velocity
Variance
NPT Plots
NPT Contour
Through December 2007
Through December 2006
Through December 2005
Through December 2004
Through December 2003
Through December 2002
Through January 2002
Through May 2001
Through May 2000
Through Feb 2000
Through Dec 1999
Through October 1999
Through August 1999
Through June 1999
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Through August 1998
Through March 1998
Through December 1997
Through August 1997
Through April 1997
Through January 1997
Through October 1996
Through August 1996
Through May 1996
View GIF File
Download PS
Seasonal Mean Velocity Estimates
Indian
Pacific
North Atlantic
South Atlantic
Tropical Atlantic
Mean Velocity
Variance
NPT Plots
NPT Contour
Jan-Mar
Apr-Jun
Jul-Sep
Oct-Dec
Through December 2007
Through December 2006
Through December 2005
Through December 2004
Through December 2003
Through December 2002
Through January 2002
Through May 2001
View GIF File
Download PS
Annual World Data File
Mean Velocity Averages
Data averaged over five day intervals
into five degree by five degree bins
Through December 2007
Through December 2006
Through December 2005
Through December 2004
Through December 2003
Through December 2002
Through January 2002
Through May 2001
Through May 2000
Through February 2000
Through December 1999
Through October 1999
Through August 1999
Through June 1999
Through March 1999
Through January 1999
Through October 1998
Through August 1998
Through March 1998
Through December 1997
Through August 1997
Through April 1997
Through January 1997
Through October 1996
Through August 1996
Through May 1996
Seasonal World Data Files
Mean Velocity Averages
Data averaged over five day intervals into five by five
degree bins by seasons
Jan-Mar
Apr-Jun
Jul-Sep
Oct-Dec
Through December 2007
Through December 2006
Through December 2005
Through December 2004
Through December 2003
Through December 2002
Through January 2002
Through May 2001
High Resolution climatology of global surface circulation
