Deriving analytical expressions of the spatial information entropy index on riverine water quality dynamics

• Published in: Journal of hydrology (Amsterdam) Vol. 623; p. 129806
• Main Authors: Pang, Tianrui, Jiang, Jiping, Alfonso, Leonardo, Yang, Ruiyi, Zheng, Yi, Wang, Peng, Zheng, Tong
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.08.2023
• Subjects: Analytical expression; entropy; groundwater; hydrodynamics; Information entropy; Peclet number; pollution; probability; riparian areas; Solute transport; solutes; spatial data; surface water; system boundary; Tracer experiments; water quality; Water quality dynamics; watersheds; Tracer experiments; Analytical expression; Solute transport; Water quality dynamics; Information entropy

[Display omitted] •Analytical expressions of the entropy index of river water quality dynamics are derived.•Spatial entropy index Gx is a function of the negative half power of the Peclet number.•Expressions are independently validated by field data from tracer experiments.•Characteristics of Gx und...