Lumped conceptual groundwater transit time models are widely used for their computational simplicity. But their parameters being empirical, these models are often criticized for their calibration reliance. This study mathematically links lumped conceptual parameters to measurable hydrodynamic properties of a groundwater catchment. This kind of direct parameterization gives lumped models a forward modelling potential, and also improves the choice of parameter constraints in calibration exercises.
J.-P. Lagouarde, B. K. Bhattacharya, P. Crébassol, P. Gamet, D. Adlakha, C. S. Murthy, S. K. Singh, M. Mishra, R. Nigam, P. V. Raju, S. S. Babu, M. V. Shukla, M. R. Pandya, G. Boulet, X. Briottet, I. Dadou, G. Dedieu, M. Gouhier, O. Hagolle, M. Irvine, F. Jacob, K. K Kumar, B. Laignel, P. Maisongrande, K. Mallick, A. Olioso, C. Ottlé, J.-L. Roujean, J. Sobrino, R. Ramakrishnan, M. Sekhar, and S. S. Sarkar
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