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Law of Armed Conflict and Collateral Damage--Nuclear Contamination Caused by Combat Loss of Nuclear Propelled Warships

Research Project

Project/Area Number 16K03323
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field International law
Research InstitutionOsaka University

Principal Investigator

Mayama Akira  大阪大学, 国際公共政策研究科, 教授 (80190560)

Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2018: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2017: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2016: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywords国際法 / 国際人道法 / 武力紛争法 / 海洋法 / 付随的損害 / 放射能汚染 / 原子力潜水艦 / 原子力発電所 / 海戦法規 / 中立法規 / 環境法 / 原子力事故 / 東シナ海 / 海上中立法 / 原子力発電所への攻撃 / 海戦
Outline of Final Research Achievements

Law of armed conflict does not prohibit attacks that may cause collateral damage to civilians/civilian objects, although attacks which may be expected to cause excessive collateral damage in relation to the military advantage anticipated are deemed unlawful. It should be noted that this collateral damage rule is the only law of armed conflict provision allowing causing damage to civilians/civilian objects except for those on belligerent reprisals. However, curiously, the definition of collateral damage is far from clear: whether it is limited to damage caused by attacker's means of warfare such as shells or it even includes damage caused by dangerous forces contained in destroyed military objectives. This research project examines the definition and scope of collateral damage by taking nuclear contamination caused by combat loss of nuclear powered warships as an example and conclude that such contamination may not be assessed by collateral damage rule.

Academic Significance and Societal Importance of the Research Achievements

武力紛争時の付随的損害がどの範囲で合法とされるかは、被害国の加害国に対する国際責任追及に際し重要問題となる。しかるにそもそも何が武力紛争法上の付随的損害かすら明確ではなかった。これは日本についても深刻な問題となりうる。例えば、周辺海域で米中が交戦し、一の原子力潜水艦が撃沈され南西諸島に放射能汚染が広がった場合に、汚染は付随的損害として一定の範囲で受忍すべきか、それとも均衡性原則が支配する付随的損害とは観念されないのか問題になる。
本研究では、これを否定的に解し、日本は米中どちらにも賠償請求が出来ないという結論を得た。こうした事態が実際に発生することを想定して対応を検討しておくべきであろう。

Report

(4 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (22 results)

All 2019 2018 2017 2016

All Journal Article (6 results) (of which Open Access: 3 results,  Peer Reviewed: 2 results) Presentation (14 results) (of which Int'l Joint Research: 11 results,  Invited: 14 results) Book (2 results)

  • [Journal Article] The Constitutional Limitation on the Exercise of the Right of Collective Self-Defense -- MInesweeping in Foreign Territorial Waters and Close-in Logistical Support for Belligerent2018

    • Author(s)
      Akira Mayama
    • Journal Title

      Japanese Yearbook of International Law

      Volume: 60 Pages: 171-193

    • Related Report
      2018 Annual Research Report
    • Open Access
  • [Journal Article] 核兵器使用と戦争犯罪-戦争犯罪処罰に至るまでの国際法上の関門(上)(下)2018

    • Author(s)
      真山全
    • Journal Title

      広島市立大学広島平和研究所ブックレット「戦争の非人道性-その裁きと戦後処理の諸問題」

      Volume: 第5巻 Pages: 49-94

    • Related Report
      2017 Research-status Report
  • [Journal Article] 東アジアにおける空間的秩序の国際法構造と日本のジレンマ-中国の海洋進出2017

    • Author(s)
      真山全
    • Journal Title

      海幹校戦略研究

      Volume: 第7巻1号 Pages: 2-12

    • NAID

      40021257944

    • Related Report
      2017 Research-status Report
    • Open Access
  • [Journal Article] The Constitutional Limitation on the Exercise of the Right of Collective Self-Defense: Minesweeping in Foreign Territorial Waters and Close-in Logistical Support for Belligerents2017

    • Author(s)
      Akira Mayama
    • Journal Title

      Japanese Yearbook of International Law

      Volume: Vol.60 Pages: 171-193

    • Related Report
      2017 Research-status Report
  • [Journal Article] Combat Losses o Nuclear-Powered Warships: Contamination, Collateral Damage and the Law2017

    • Author(s)
      Akira Mayama
    • Journal Title

      U.S. Naval War College International Law Studies

      Volume: 93 Pages: 132-156

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] 武力紛争法と人道化逆説-付随的損害の扱い-2017

    • Author(s)
      真山全
    • Journal Title

      世界法年報

      Volume: 36 Pages: 5-32

    • NAID

      130007853834

    • Related Report
      2016 Research-status Report
    • Peer Reviewed
  • [Presentation] The jus in bello and jus ad bellum Aspects of Forcible MIOs on the High Seas/EEZ against the DPROK's Shipping2019

    • Author(s)
      Akira Mayama
    • Organizer
      Workshop on Japanese Maritime Security and International Law-Great Powers and Major Threats
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Law Enforcement Activities at Sea and International Armed Conflict2018

    • Author(s)
      Akira Mayama
    • Organizer
      Workshop on Japanese Maritime Security and International Law-Gray Zone Conflict
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 目標選定・破壊プロセスの国際法的検討2018

    • Author(s)
      真山全
    • Organizer
      防衛省陸上幕僚監部防衛法制研究会
    • Related Report
      2018 Annual Research Report
    • Invited
  • [Presentation] 武力紛争法諸条約における軍隊の定義2018

    • Author(s)
      真山全
    • Organizer
      国際法分野における日中交流促進会議(北京)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] How to Bypass the Constitutional Limitations on the Exercise of the Right of Collective Self-Defense--Security-Related Legislation of 2015 and the Tactics of the Japanese Government2018

    • Author(s)
      Akira Mayama
    • Organizer
      Nanjing Forum 2018, Round Table "Maritime Silk Road and Maritime Cooperation"
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] The Tokara Strait Incident of 2016: Exercise of the Right of Transit Passage by the PLA's Warship through Japanese Strairts2018

    • Author(s)
      Akira Mayama
    • Organizer
      国際法分野における日中交流促進会議(大阪)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 日本の海上保安庁の国際法的地位-国際的武力紛争において国際法上適法に敵対行為に参加できるか2018

    • Author(s)
      真山全
    • Organizer
      台日海洋法制研究会
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 日本刑法による戦争犯罪処罰-通常の司法裁判所による処罰2018

    • Author(s)
      真山全
    • Organizer
      台湾国防大学国際軍事法学研究会
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Law Enforcement Activities at Sea and International Armed Conflict2018

    • Author(s)
      Akira Mayama
    • Organizer
      Workshop on Japanese Maritime Security and International Law-Gray Zone Conflict
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 目標選定・破壊プロセスの国際法的検討-地上目標攻撃の場合における付随的損害の問題を中心に2018

    • Author(s)
      真山全
    • Organizer
      陸上幕僚監部防衛法制検討会
    • Related Report
      2017 Research-status Report
    • Invited
  • [Presentation] Law of the Sea: Japanese Dilemma2017

    • Author(s)
      Akira Mayama
    • Organizer
      20th Asia-Pacific Naval College Seminar
    • Place of Presentation
      海上自衛隊幹部学校(東京)
    • Year and Date
      2017-02-09
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Chinese Naval Development and its Legal Implication2016

    • Author(s)
      Akira Mayama
    • Organizer
      Conference on Regional Security Dynamics and its Implication to the Maritime Order in East Asia
    • Place of Presentation
      南京大学中国南海研究協同創新中心(南京)
    • Year and Date
      2016-12-10
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Comments to the Concept of Unit Self-Defense2016

    • Author(s)
      Akira Mayama
    • Organizer
      Workshop on Japanese Maritime Security and International Law
    • Place of Presentation
      グランドヒル市ヶ谷(東京)
    • Year and Date
      2016-09-12
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 武力紛争法と人道化逆説2016

    • Author(s)
      真山全
    • Organizer
      世界法学会
    • Place of Presentation
      専修大学(東京)
    • Year and Date
      2016-05-12
    • Related Report
      2016 Research-status Report
    • Invited
  • [Book] 商船は、いつ保護あれ、いつ攻撃されるのか?-武力紛争時の商船の国際法上の地位2017

    • Author(s)
      真山全
    • Total Pages
      82
    • Publisher
      日本船長協会
    • Related Report
      2016 Research-status Report
  • [Book] ビジュアルテキスト国際法2017

    • Author(s)
      (共編著)加藤信行、森川幸一、植木俊哉、真山全、酒井啓亘、立松美也子
    • Total Pages
      178
    • Publisher
      有斐閣
    • Related Report
      2016 Research-status Report

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Published: 2016-04-21   Modified: 2020-03-30  

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