Why Does the Convolution Integral Method Provide Systematically Biased Estimates of Watershed Residence Times?

John L Wilson, New Mexico Tech, Socorro, NM, United States, Marty D Frisbee, Purdue University, West Lafayette, IN, United States, Jesus D Gomez-Velez, Vanderbilt University, Civil and Environmental Engineering, Nashville, United States and Fred M Phillips, New Mexico Institute of Mining and Technology, Socorro, NM, United States