500
Multiscale Hydrologic Remote Sensing: Perspectives and Applications
100
GRACE
CWB
80
60
40
20
–20
–40
–60
–80
–100
2003
2004
2005
2006
2007
2008
2009
2010
Month
dS/dT (mm/month)
0
FIGURE 20.8  Comparison of monthly TWSC derived from GRACE and from combined
land–atmosphere water balance computation in the Mississippi River basins (Gauging station
USGS 07374000 at Baton Rouge, LA).
150
CWB
GRACE
100
50
–50
–100
2003 2004 2005 2006 2007 2008 2009
2003 2004 2005 2006 2007 2008 2009
2003 2004 2005 2006 2007 2008 2009
2003 2004 2005 2006 2007 2008 2009
2003 2004 2005 2006 2007 2008 2009
2003 2004 2005 2006 2007 2008 2009
0
100
50
–50
–100
0
200
100
–100
–200
0
50
–50
–100
0
50
–50
0
50
–50
0
Columbia
dS/dT (mm/month)
dS/dT (mm/month)
dS/dT (mm/month)
dS/dT (mm/month)
dS/dT (mm/month)
dS/dT (mm/month)
Colorado
Mackenzie
Yukon
St. Lawrence
Zambezi
FIGURE 20.9  Comparison of monthly TWSC estimates derived from GRACE and from
the combined land–atmosphere water balance computation in six river basins.