Research Areas
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Humanities & Social Sciences / Cultural anthropology and folklore
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Humanities & Social Sciences / Archaeology
Graduate School
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The University of Tokyo, Graduate School, Division of General Culture, cultural anthropology
Doctor's Course, 2005.03, Accomplished credits for doctoral program
Papers
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AI- accelerated Nazca survey nearly doubles the number of known figurative geoglyphs and sheds light on their purpose, PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 121(40) e2407652121, 2024.10
Sakai, M; Sakurai, A; Lu, SY; Olano, J; Albrecht, CM; Hamann, HF; Freitag, M
Single Author
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Climatic & Anthropogenic Hazards to the Nasca World Heritage: Application of Remote Sensing, AI, and Flood Modelling, IGARSS 2024 - 2024 IEEE International Geoscience and Remote Sensing Symposium, 2212-2215, 2024.07
Masato Sakai, Marcus Freitag, Akihisa Sakurai, Conrad M Albrecht, Hendrik F Hamann
Multiple Authorship (Including Foreigners)
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Monumental Architecture, Stars, and Mounds at the Temple of Pacopampa: The Rising Azimuth of the Pleiades and Changing Concepts of Landscape., Perspectives on Early Andean Civilization in Peru: Interaction, Authority, and Socioeconomic Organization during the First and Second Millennia BC, 129-148, 2019.12
Masato Sakai, Shinpei Shibata, Toshihiro Takasaki, Juan Pablo Villanueva, Yuji Seki
Multiple Authorship (Including Foreigners)
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Accelerating the discovery of new Nasca geoglyphs using deep learning, JOURNAL OF ARCHAEOLOGICAL SCIENCE, 155 , 2023.07
Sakai, M; Lai, YR; Canales, JO; Hayashi, M; Nomura, K
Single Author
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Tres Palos Revisited: Understanding the Middle Horizon in the Rio Grande de Nasca Drainage, Latin American Antiquity, 33(2) 1-7, 2022.01
Yuichi Matsumoto , Jorge Olano , Masato Sakai
Multiple Authorship (Including Foreigners)
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Identifying the bird figures of the Nasca pampas: An ornithological perspective, JOURNAL OF ARCHAEOLOGICAL SCIENCE-REPORTS, 26 , 2019.08
Eda, M; Yamasaki, T; Sakai, M
Single Author
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Geoglyphs and Ceremonial Centers in Nasca : Dynamics of Ideology and Power in the Andean Civilization, 69(1) 63-72, 2017.06
Single Author
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Excavations at La Ventilla, south coast of Peru, 20 95-106, 2017
Multiple Authorship (Including Foreigners)
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"Comparative Studies of Ancient American Civilizations" Project : Its Purpose and Expected Research Achievements, 17 119-127, 2014
Multiple Authorship (Only Japanese)
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How did descriptions of ancient America change in revised high-school history books, 16 85-100, 2013
Multiple Authorship (Only Japanese)
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The Complete Mitochondrial Genome of <i>Dugesia japonica</i> (Platyhelminthes; Order Tricladida), ZOOLOGICAL SCIENCE, 29(10) 672-680, 2012.10
Sakai, M; Sakaizumi, M
Single Author
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Ethnology and climate change : A case study of neighboring areas of the Nasca Pampas on the south coast of Peru, The Quaternary research, 51(4) 231-237, 2012.08
Single Author
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Construction Period of the Nasca Lines in the Pampa of Nasca, Quarterly journal of geography, 62 239-242, 2011.01
Multiple Authorship (Including Foreigners)
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Monitoring of “Quebrada”, the Dry River Channels, on the Nasca Pampa, Peru., Final Report of the ALOS Research Announcement Programs.(DVD-ROM) 1&2, PI022-1-PI022-7, 2011
Isao Akojima, Masato Sakai
Multiple Authorship (Only Japanese)
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Preliminary Examination for Settlement and Construction Method of Nasca Geoglyphs : Satellite Images and Fieldwork, Journal of the Visualization Society of Japan, 30(117) 38-39, 2010.04
Multiple Authorship (Including Foreigners)
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Problems in teaching pre-Columbian American history in Japan: toward a more global 'real world history', Quarterly of archaeological studies, 57(3) 15-19, 2010
Multiple Authorship (Only Japanese)
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Evaluating pre-Columbian American history texts in high school world history textbooks, 13 31-39, 2010
Multiple Authorship (Only Japanese)
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Geoglyph and Flood on the Nasca Upland, Peru, Quarterly journal of geography, 61(3) 194-195, 2009.09
Multiple Authorship (Only Japanese)
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Studies on ancient America should reach out to the public at large: high-school history books, popularization in mass media, and communication with the general public, (12) 95-103, 2009
Multiple Authorship (Only Japanese)
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Preface (Special Contributions : Interdisciplinary Studies of Lines and Geoglyphs of Nasca (1)), Bulletin of Graduate School of Social & Cultural Systems at Yamagata University, (4) 105, 2007.08
Single Author
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Research on lines and geoglyphs based on high resolution satellite imaging, Bulletin of Graduate School of Social & Cultural Systems at Yamagata University, (4) 107-138, 2007.08
Multiple Authorship (Only Japanese)
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「古代ナスカにおける空間配置:観測所、山、祭祀センター、居住センター、地上絵」, 野外民族博物館リトルワールド,リトルワールド研究報告』第13号, 1996.12
坂井 正人
Multiple Authorship (Including Foreigners)
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「非巫病・継承型男性民間医療従事者と村落祭祀空間構造:鹿児島県大島郡徳之島町の事例により」, 南島史学会,南島史学47号, 1996.04
坂井 正人
Multiple Authorship (Including Foreigners)
Books
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Peruvian Archaeology. 4, 山形大学ナスカ研究所, 2020
坂井 正人 , 松本 雄一
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Peruvian Archaeology. 3, 山形大学ナスカ研究所, 2019
坂井 正人, 松本雄一
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Peruvian Archaeology. 2, 山形大学ナスカ研究所, 2015
北川 忠明, 坂井 正人, 松本 雄一
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Peruvian Archaeology. 1, 山形大学ナスカ研究所, 2014
北川 忠明, 坂井 正人, 松本 雄一
Review Papers
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世界遺産ナスカの地上絵に関する保護活動と学術研究, シンポジウム「文化遺産国際協力のかたち―世界遺産を未来に伝える日本の貢献―」報告書, 23-26, 2019
坂井 正人
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Nazca Lines : Scientific Study and Conservation Activity by Japan, 全国都市清掃会議, 都市清掃 = Journal of Japan Waste Management Association, 71(343) 303-331, 2018.05
坂井 正人
Grant-in-Aid for Scientific Research
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Grant-in-Aid for Scientific Research(A),2025.04 - 2030.03
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Grant-in-Aid for Scientific Research(A),2020.04 - 2025.03
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Grant-in-Aid for Scientific Research(A),2020.04 - 2021.03
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Grant-in-Aid for Scientific Research(A),2018.04 - 2020.03
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Grant-in-Aid for New academic field research(Research areas proposal),2018.04 - 2019.03
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Grant-in-Aid for International collaborative research accelerating group(International activity support group),2018.04 - 2019.03
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Grant-in-Aid for New academic field research(Research areas proposal),2018.04 - 2019.03
Media Coverage
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Yamagata University team finds 143 ancient geoglyphs in Peru's Nazca grasslands,2019.11
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山形大、ペルーで新たな地上絵を発見 AIも活用,2019.11
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ナスカ地上絵、新たに143点 山形大のグループ、AI活用で研究加速,2019.11
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「ナスカの地上絵」具象的な143点発見,2019.11
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Líneas de Nazca en Perú: así son los intrigantes nuevos geoglifos descubiertos con tecnología de última generación,2019.11