Transient outflow experiments coupling with an inverse method are promisingto derive soil hydraulic information. The water retention curves obtained from one-step andmulti-step outflow experiments were compared with t...Transient outflow experiments coupling with an inverse method are promisingto derive soil hydraulic information. The water retention curves obtained from one-step andmulti-step outflow experiments were compared with those from the pressure cell method. We found thatin one-step experiments the increment of pressure would reduce the non-uniqueness of inversetechnique and that in multi-step experiment the combination of cumulative outflow with pressure headin the objective function would improve the final estimation and also reduce the non-uniqueness ofinverse problem.展开更多
文摘Transient outflow experiments coupling with an inverse method are promisingto derive soil hydraulic information. The water retention curves obtained from one-step andmulti-step outflow experiments were compared with those from the pressure cell method. We found thatin one-step experiments the increment of pressure would reduce the non-uniqueness of inversetechnique and that in multi-step experiment the combination of cumulative outflow with pressure headin the objective function would improve the final estimation and also reduce the non-uniqueness ofinverse problem.
