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Table 2

Annual inflow and outflow of Poyang Lake from 1998 to 2009

YearF_CFSR/108 m3F_TRMM/108 m3FlowGS/108 m3FIn_CFSR/108 m3FIn_TRMM/108 m3FOut_Net/108 m3RE_CFSR/%RE_TRMM/%
1998 318.46 306.51 2,076.11 2,394.58 2,382.62 2,640.89 −9.33 −9.78 
1999 297.69 292.85 1,462.55 1,760.24 1,755.41 1,947.20 −9.60 −9.85 
2000 218.68 198.26 1,122.70 1,341.38 1,320.96 1,423.78 −5.79 −7.22 
2001 245.59 207.28 1,210.71 1,456.30 1,417.99 1,478.22 −1.48 −4.07 
2002 252.83 207.77 1,615.45 1,868.27 1,823.22 1,860.60 0.41 −2.01 
2003 178.72 176.95 1,087.98 1,266.70 1,264.93 1,404.30 −9.80 −9.92 
2004 181.78 143.64 732.70 914.48 876.35 927.94 −1.45 −5.56 
2005 209.44 204.26 1,178.54 1,387.98 1,382.80 1,464.55 −5.23 −5.58 
2006 170.23 174.08 1,306.87 1,477.10 1,480.94 1,563.55 −5.53 −5.28 
2007 172.51 134.90 814.55 987.06 949.46 1,012.93 −2.55 −6.27 
2008 222.67 169.28 1,015.67 1,238.34 1,184.95 1,292.50 −4.19 −8.32 
2009 205.72 148.88 833.33 1,039.05 982.21 1,059.22 −1.90 −7.27 
YearF_CFSR/108 m3F_TRMM/108 m3FlowGS/108 m3FIn_CFSR/108 m3FIn_TRMM/108 m3FOut_Net/108 m3RE_CFSR/%RE_TRMM/%
1998 318.46 306.51 2,076.11 2,394.58 2,382.62 2,640.89 −9.33 −9.78 
1999 297.69 292.85 1,462.55 1,760.24 1,755.41 1,947.20 −9.60 −9.85 
2000 218.68 198.26 1,122.70 1,341.38 1,320.96 1,423.78 −5.79 −7.22 
2001 245.59 207.28 1,210.71 1,456.30 1,417.99 1,478.22 −1.48 −4.07 
2002 252.83 207.77 1,615.45 1,868.27 1,823.22 1,860.60 0.41 −2.01 
2003 178.72 176.95 1,087.98 1,266.70 1,264.93 1,404.30 −9.80 −9.92 
2004 181.78 143.64 732.70 914.48 876.35 927.94 −1.45 −5.56 
2005 209.44 204.26 1,178.54 1,387.98 1,382.80 1,464.55 −5.23 −5.58 
2006 170.23 174.08 1,306.87 1,477.10 1,480.94 1,563.55 −5.53 −5.28 
2007 172.51 134.90 814.55 987.06 949.46 1,012.93 −2.55 −6.27 
2008 222.67 169.28 1,015.67 1,238.34 1,184.95 1,292.50 −4.19 −8.32 
2009 205.72 148.88 833.33 1,039.05 982.21 1,059.22 −1.90 −7.27 

(1) F_CFSR: CFSR-based simulated water flow for the PLUA; (2) F_TRMM: TRMM-based estimated water flow for the PLUA; (3) FlowGS: total water flow observed for five tributaries at seven inlet gauging stations; (4) FIn_CFSR: total annual inflow of Poyang Lake based on CFSR precipitation, FIn_CFSR = F_CFSR + FlowGS; (5) FIn_TRMM: total annual inflow of Poyang Lake watershed based on TRMM precipitation, FIn_TRMM = F_TRMM + FlowGS; (6) FOut_Net: net annual outflow of Poyang Lake observed at Hukou gauging station; (7) RE_CFSR: relative error of CFSR-based total annual inflow compared to the outflow observation at Hukou gauging station, RE_CFSR = (FIn_CFSR- FOut_Net) × 100/FOut_Net; (8) RE_TRMM: relative error of TRMM-based total annual inflow compared to the outflow observation at Hukou gauging station, RE_TRMM = (FIn_TRMM – FOut_Net) × 100/FOut_Net.

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