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An Evaluation of Environmental Load Reduction in Mikawa Bay: The Input–Output Model Approach

  • Hiroyuki ShibusawaEmail author
  • Risa Ochiai
  • Katsuhiro Sakurai
Chapter
Part of the New Frontiers in Regional Science: Asian Perspectives book series (NFRSASIPER, volume 34)

Abstract

Mikawa Bay is a very shallow inner bay situated between the Atsumi and Chita peninsulas in the Aichi prefecture. The port section is not very large and is a closed ocean area with minimal external seawater exchange. This makes it easy for pollutants to build up, and the area is known for frequent outbreaks of red or discolored tides. Therefore, purifying the Mikawa Bay environment (i.e., infrastructure, sewage systems, septic tanks, private and industrial wastewater, seawater, and sediment pollution) has become a priority. The objective of this study is to provide a quantitative evaluation of the environmental impact of economic activities in the Mikawa Bay watershed and surrounding regions (e.g., Toyogawa, Yahagi, Sakaigawa river basins, Atsumi Bay watershed, and Chita Bay watershed). We estimate an interregional input–output table of the Aichi prefecture and analyze the relationship between each city and town, and their environmental impact on Mikawa Bay, considering economic trade relationships using the input–output and optimization models.

Keywords

Mikawa Bay Basin Environmental emissions Input–output model Optimization model 

Notes

Acknowledgment

This work was supported by JSPS KAKENHI Grant Number 17H01931, 17 K03726, and 17H02521.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Hiroyuki Shibusawa
    • 1
    Email author
  • Risa Ochiai
    • 1
  • Katsuhiro Sakurai
    • 2
  1. 1.Department of Architecture and Civil EngineeringToyohashi University of TechnologyToyohashiJapan
  2. 2.Faculty of EconomicsRissho UniversityTokyoJapan

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