Beyond Policy Drift: Hydrodynamic Benchmarks for Saemangeum’s Trust Deficit

ID: 2000

Presenting Author: Seohyun Jeon

Session: 516 - Asian S3EA: Strategic, Spatial and Sustainable EA with effective information

Status: pending


Summary Statement

This study quantifies the critical Tidal Prism needed for water quality, linking it with policy and governance strategies to rebuild trust.


Abstract

 The Saemangeum reclamation project, intended to secure vast farmland, now faces a severe crisis of public trust due to prolonged policy drift and severe water quality degradation, including bottom-layer anoxia. Current proposed recovery measures, such as sluice expansion and tidal power proposals, lack a verifiable scientific baseline, hindering legitimate governance and transparent dialogue.
 This integrated study aims to define the minimum Tidal Prism required for Dissolved Oxygen (DO) recovery, thereby offering a crucial scientific metric to evaluate these conflicting restoration scenarios and bridge the policy-confidence gap. The methodology involves quantifying current stratification strength and DO consumption through Sediment Oxygen Demand (SOD) analysis. A subsequent 2-Layer Mass Balance Model is utilized to determine the critical vertical exchange flow, from which the essential Turbulent Kinetic Energy (TKE) and Tidal Prism benchmark are derived. In parallel, comparative analysis of domestic and international policies and targeted stakeholder surveys are incorporated to identify effective, trust-building governance strategies.
 Ultimately, this research presents optimized infrastructure scenarios designed to meet this hydrodynamic benchmark. By integrating verifiable data with new participatory mechanisms, it aims to establish a common factual basis for all stakeholders, thus shifting the policy debate toward transparent assessment and effectively restoring public trust.


Author Bio

Master Course (1st year) in Civil and Environmental Engineering at Nagoya University.


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