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Palaeochannels as hidden pathways of water flow in agricultural alluvial landscapes: A review of concepts and suggested future directions for modelling

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Lim, H. S., Cheesman, A. W., Nelson, P. N., Eccles, R., Egger, F., Bulstrode, M. and Weber, T. (2026) Palaeochannels as hidden pathways of water flow in agricultural alluvial landscapes: A review of concepts and suggested future directions for modelling. Journal of Hydrology, 674 , 135522. https://doi.org/10.1016/j.jhydrol.2026.135522

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Article Link: https://doi.org/10.1016/j.jhydrol.2026.135522

Abstract

This paper reviews current knowledge of palaeochannel structure, distribution and hydrologic function within agricultural alluvial systems, and evaluates approaches for their identification, characterisation and representation in hydrologic models. We examine the suitability of existing coupled modelling frameworks − such as HYDRUS-MODFLOW, SWAT-MODFLOW, MIKE-SHE and HydroGeoSphere − for simulating palaeochannel-mediated flow and material transport. Conceptual similarities between palaeochannels and engineered tile-drain networks are used to illustrate how established drainage formulations can inform future model development.

Item Type:Article
Corporate Creators:Department of Primary Industries, Queensland
Business groups:Crop and Food Science
Additional Information:DPI Authors: Marcus Bulstrode
Keywords:Agriculture; Coupled modelling (HYDRUS-MODFLOW, SWAT-MODFLOW, MIKE-SHE, HydroGeoSphere); Hydrologic connectivity; Palaeochannels; Preferential flow; Subsurface drainage; Water quality
Subjects:Agriculture > Agriculture (General)
Agriculture > Agriculture (General) > Agriculture and the environment
Agriculture > Agriculture (General) > Conservation of natural resources
Live Archive:01 May 2026 00:26
Last Modified:01 May 2026 00:26

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