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  • 森 淳子, 曽根 敏雄, Jorge A. STRELIN, Cesar A. TORIELLI, 福井 幸太郎
    雪氷
    2006年 68 巻 4 号 287-298
    発行日: 2006/07/15
    公開日: 2010/02/05
    ジャーナル フリー
    南極半島ジェームズ・ロス島リンク台地において,気温(1995~2004年)と地温(1997~2003年)の観測を行った.リンク台地の年平均気温は-6.7℃(1996~2004年)であったが,気温の変動が大きく,年間を通して気温が正になる時期があった.夏期には,地表面付近で0℃をはさんだ温度変化が頻繁に観測された.
    近年の顕著な温暖化に伴い,南極半島地域では,活動層厚が変化してきた可能性がある.そこで,リンク台地での現在の気温と活動層厚との関係と,周辺基地の過去の気温データを用いて,1971年以降の活動層厚変化を復元した.その結果,この期間に活動層厚は増加する傾向を示し,1970年代には活動層厚は60cm前後であったが,1995年が過去33年間で最も厚く80cmを超え,1996年以降は70cm前後であったと推測された.活動層が厚くなったことにより,現在の地形形成にかかわる斜面物質移動量は1970年代に比べて大きくなっていると考えられる.
  • 日本化粧品技術者会誌
    1985年 19 巻 1 号 53-59
    発行日: 1985/09/10
    公開日: 2010/08/06
    ジャーナル フリー
  • 福井 幸太郎, 曽根 敏雄, STRELIN Jorge A., 森 淳子
    地学雑誌
    2021年 130 巻 1 号 27-41
    発行日: 2021/02/25
    公開日: 2021/03/18
    ジャーナル フリー

     James Ross Island, Antarctic Peninsula, has recently experienced severe climate change: warming from the 1970s until the early 2000s and cooling from the early 2000s until around 2014. Lachman II, a 2-km long debris-covered glacier (ice-cored rock glacier), is located at the northern part of James Ross Island. On Lachman II, the surface elevation lowered at a rate of 1.1 and 0.7 m a−1 at the center of the upper stream of the debris-covered area from 1992 until 1995. However, in response to the cooling trend from the early 2000s until around 2014, the surface lowering rate temporarily slowed to 0.2 and 0.4 m a−1 for at least seven years from 2008 to 2015 at the center of the upper stream of the debris-covered area. In response to extremely high air temperatures in 2016, the glacier surface lowered again, accelerating to 0.5 and 0.6 m a−1 from 2015 to 2017. A ground penetrating radar (GPR) image displayed a reflection plane along the longitudinal section of the glacier, which indicates that a debris-rich ice layer was thrusting up from the glacier bottom. The origin of the upward thrust is supported by the fact that the surface rock debris consists mainly of sandstone and mudstone derived from the bottom of the glacier.

  • 武器移転の研究
    堀坂 浩太郎
    国際政治
    1995年 1995 巻 108 号 69-83,L10
    発行日: 1995/03/20
    公開日: 2010/09/01
    ジャーナル フリー
    This essay discusses the rise and fall of the arms industry in Latin America, which stepped into the limelight of international arms market as new “merchants of death” during the height of Middle East conflicts in the early 1980s, taking Brazil and Argentina as major examples. It consists of three sections: arms trade and production in Latin America: the formation and the characteristics of Latin American arms industry; and causes of the decline of arms industry in Brazil and Argentina.
    In the early 1980s, Brazil became the fifth largest exporter of arms in the world and first in the Third World surpassing Israel. From the end of 1980s, however, arms industry in Latin America experiences a rapid decline. Today, Brazil is no longer included in the list of major exporters of arms.
    For Latin American arms industry, the sharp drop in arms demand particularly in the Middle East meant the loss of their major market. Latin American producers, which was considered as “niche manufacturers” based on intermediate technology, has gradually lost competitiveness against the arms release of major suppliers after the end of Cold War. In this essay, the author also emphasizes the endogenous factors as a major cause of their decline.
    Two important factors that contributed to the growth of Brazilian and Argentine arms industry were the long-term military regime and the industrial development policies under the “National Security and Development Doctrine” adhered to by the militaries.
    In Brazil and Argentina the influential power of the military has declined to the point where we can refer to it as the “end of militarism.” While democratization in those countries removed the military from the first line of politics, military spending was drastically curtailed as a result of the shrinking budget, and the continuing liberalization of the economy is now shaking the basis of domestic production of arms.
    The collaboration among the members of the Organization of American States (OAS) to maintain democratic governments as well as efforts such as Mercosur (the Common Market in the Southern Cone) to unify the regional economies has reduced the hostility among countries in Latin America. Even the developments of nuclear weapons, which were the stronghold of nationalistic hard-liners in the militaries, have been restrained as Brazil and Argentina recently ratified The Tlatelolco Treaty (Treaty for the Prohibition of Nuclear Weapons in Latin America).
    Arms industry in Latin America has now entered an era of survival in which only firms who can increase sales to the private sector can survive. Thus the movement of arms from the region will most likely be liminted in the future.
  • 松崎 裕子, 富田 三紗子, 久保庭 萌, 関根 豊, 清水 善仁
    レコード・マネジメント
    2023年 85 巻 75-89
    発行日: 2023年
    公開日: 2024/04/09
    ジャーナル フリー
  • 非国家主体と国際法の課題
    薬師寺 公夫
    世界法年報
    2002年 2002 巻 21 号 3-37
    発行日: 2002/01/30
    公開日: 2011/02/07
    ジャーナル フリー
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