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Solver Spreadsheet to fit the Van Genuchten Eqn <br />to <br />measured <br />HDU data <br />Van Genuchten Eqn <br />FOR FITTING <br />Applied <br />Measured <br />Predicted <br />T* = 1 - <br />W - W° <br />Suction (kPa) <br />T* <br />T* <br />QT* % <br />( ) <br />AT* 2 <br />( ) <br />16850.00 <br />0.0132 <br />0.0442 <br />-0.031 <br />0.001 <br />T* < 1; y = yr°(T * m -1)n <br />1416.00 <br />0.0461 <br />0.1355 <br />-0.089 <br />0.008 <br />6.90 <br />0.9868 <br />1.0000 <br />-0.013 <br />0.000 <br />Wa = <br />20.70 <br />0.6902 <br />0.7687 <br />-0.079 <br />0.006 <br />n= <br />IM <br />41.40 <br />0.6658 <br />0.6204 <br />0.045 <br />0.002 <br />m = <br />82.80 <br />0.4878 <br />0.4748 <br />0.013 <br />0.000 <br />172.50 <br />0.3823 <br />0.3474 <br />0.035 <br />0.001 <br />O GRAPHING <br />310.50 <br />0.2999 <br />0.2679 <br />0.032 <br />0.001 <br />Suction T*Residual <br />(kPa) <br />= 2.470E-03 <br />1 1.0000 <br />2 1.0000 <br />3 1.0000 <br />4 1.0000 <br />5 1.0000 <br />6 1.0000 <br />7 1.0000 <br />8 1.0000 <br />9 1.0000 <br />10 1.0000 <br />11 1.0000 <br />12 1.0000 <br />13 1.0000 <br />14 1.0000 <br />15 1.0000 <br />16 1.0000 <br />20 0.7755 <br />30 0.6911 <br />40 0.6280 <br />50 0.5792 <br />60 0.5402 <br />70 0.5083 <br />80 0.4815 <br />90 0.4587 <br />100 0.4390 <br />150 0.3691 <br />200 0.3255 <br />300 0.2720 <br />400 0.2393 <br />500 0.2165 <br />1000 0.1585 <br />2000 0.1159 <br />3000 0.0965 <br />5000 0.0766 <br />10000 0.0560 <br />25000 0.0370 <br />5.00E+04 0.0271 <br />1.00E+05 0.0198 <br />5.00E+05 0.0096 <br />7.50E+05 0.0080 <br />1.00E+06 0.0070 <br />