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Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
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The link model is a fundamental pharmacokinetic-pharmacodynamic (PK–PD) approach to account for delayed drug responses when the observed effect does not immediately correlate with the drug's plasma concentration peak. This delay is mathematically addressed by introducing an effect compartment concentration, Ce, which is kinetically linked to the plasma concentration, Cp, via a first-order rate constant, ke0. The linkage allows for a more accurate prediction of drug effects over time. A...
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Watershed Planning within a Quantitative Scenario Analysis Framework
12:44

Watershed Planning within a Quantitative Scenario Analysis Framework

Published on: July 24, 2016

8.8K

Supply Chain Vulnerability Analysis Using Scenario-Based Input-Output Modeling: Application to Port Operations.

Shital A Thekdi1, Joost R Santos2

  • 1Robins School of Business, University of Richmond, Richmond, VA, USA.

Risk Analysis : an Official Publication of the Society for Risk Analysis
|August 15, 2015
PubMed
Summary
This summary is machine-generated.

Sudden disruptions to port operations can cause significant economic losses. This study introduces new metrics and methods to assess port resiliency and economic sensitivity to disruptions, aiding in effective risk management.

Keywords:
Input-output modelingmaritime port disruptionsoperations managementresilienceuncertainty analysis

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Last Updated: Apr 5, 2026

Watershed Planning within a Quantitative Scenario Analysis Framework
12:44

Watershed Planning within a Quantitative Scenario Analysis Framework

Published on: July 24, 2016

8.8K

Area of Science:

  • Supply Chain Management
  • Transportation Engineering
  • Economic Resilience

Background:

  • Disruptive events can propagate economic losses across global trade networks.
  • Container port disruptions pose significant threats to international trade and commerce.
  • Effective risk assessment requires anticipating the economic impact of port disruptions under various scenarios.

Purpose of the Study:

  • To introduce novel performance metrics for characterizing resiliency in interdependency modeling.
  • To integrate scenario-based methods for measuring economic sensitivity to sudden-onset disruptions.
  • To provide tools for effective and feasible investment guidance in port protective measures and continuity planning.

Main Methods:

  • Development of new performance metrics for interdependency modeling.
  • Integration of scenario-based approaches to assess economic sensitivity.
  • Demonstration of methods on a major U.S. port handling $36.1 billion in annual cargo.

Main Results:

  • Quantification of economic sensitivity to various disruption scenarios.
  • Characterization of port resiliency through novel metrics.
  • Identification of effective strategies for mitigating economic impacts of port disruptions.

Conclusions:

  • The developed methods enhance understanding of port vulnerabilities to disruptions.
  • The findings support informed decision-making for port management and supply chain planning.
  • This research aids in strengthening the resilience of critical transportation infrastructure.