Nilo Antônio de Souza Sampaio

A replicable six-method framework for quantifying legislative efficacy in surface water quality governance: evidence from four decades of monitoring in ten São Paulo River Basins, Brazil (1978–2026)

Abstract Surface water quality governance in developing economies frequently fails to reverse long-term deterioration despite successive legislative interventions, yet rigorous quantitative evaluation of policy effectiveness at the basin scale remains rare. This study applies a t...