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Junko Kitagawa

International Research Center for Japanese Studies

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Archive | 2013

Climate Deterioration and Angkor’s Demise

Yoshinori Yasuda; Hiroo Nasu; Toshiyuki Fujiki; Kazuyoshi Yamada; Junko Kitagawa; Katsuya Gotanda; Shuichi Toyama; Mitsuru Okuno; Yuichi Mori

Open image in new window Reconstruction of the paleoclimate based on analyses of annually laminated sediments in Japan and moat sediments from Angkor Thom in Cambodia indicates that there had been a period of drastic cooling during AD 1430–1500 accompanied by a weakening of monsoon activity. The annual mean temperatures show that—compared to the peak of medieval warm epoch around AD 1150—the mean temperature dropped by nearly 5°C in AD 1430. The climatic cooling brought about the weakening of the summer monsoon, which in turn would have resulted in the delayed arrival of the wet season. This might have had a catastrophic impact on rice cultivation in Cambodia leading to the decline of the Khmer Civilization.

Quaternary Science Reviews | 2002

Biome classification from Japanese pollen data: application to modern-day and Late Quaternary samples

Katsuya Gotanda; Takeshi Nakagawa; Pavel E. Tarasov; Junko Kitagawa; Yasushi Inoue; Yoshinori Yasuda

Earth-Science Reviews | 2011

Progress in the reconstruction of Quaternary climate dynamics in the Northwest Pacific: A new modern analogue reference dataset and its application to the 430-kyr pollen record from Lake Biwa

Pavel E. Tarasov; Takeshi Nakagawa; Dieter Demske; Hermann Österle; Yaeko Igarashi; Junko Kitagawa; Lyudmila Mokhova; Valentina Bazarova; Masaaki Okuda; Katsuya Gotanda; Norio Miyoshi; Toshiyuki Fujiki; Keiji Takemura; Hitoshi Yonenobu; Andreas Fleck

Quaternary International | 2004

Environmental variability and human adaptation during the Lateglacial/Holocene transition in Japan with reference to pollen analysis of the SG4 core from Lake Suigetsu

Yoshinori Yasuda; Kentaro Yamaguchi; Takeshi Nakagawa; Hitoshi Fukusawa; Junko Kitagawa; Makoto Okamura

Quaternary International | 2004

The influence of climatic change on chestnut and horse chestnut preservation around Jomon sites in Northeastern Japan with special reference to the Sannai-Maruyama and Kamegaoka sites

Junko Kitagawa; Yoshinori Yasuda

Quaternary International | 2008

Development and distribution of Castanea and Aesculus culture during the Jomon Period in Japan

Junko Kitagawa; Yoshinori Yasuda

AMBIO: A Journal of the Human Environment | 2014

Traditional Farming Landscapes for Sustainable Living in Scandinavia and Japan: Global Revival Through the Satoyama Initiative

Björn E. Berglund; Junko Kitagawa; Per Lagerås; Koji Nakamura; Naoko Sasaki; Yoshinori Yasuda

Vegetation History and Archaeobotany | 2004

Human activity and climate change during the historical period in central upland Japan with reference to forest dynamics and the cultivation of Japanese horse chestnut (Aesculus turbinata)

Junko Kitagawa; Takeshi Nakagawa; Toshiyuki Fujiki; Kentaro Yamaguchi; Yoshinori Yasuda

Archive | 2007

High-resolution past environmental reconstruction in East Asia using annually laminated lake sediments of Lake Megata in northeastern Japan

Kazuyoshi Yamada; Katsuya Gotanda; Hitoshi Yonenobu; Yohei Shinozuka; Junko Kitagawa; Mirosław Makohonienko; Matthias Schwab; Tomokazu Haraguchi; Yoshikazu Yasuda

Quaternary Science Reviews | 2018

Integrating the Holocene tephrostratigraphy for East Asia using a high-resolution cryptotephra study from Lake Suigetsu (SG14 core), central Japan

Danielle McLean; Paul G. Albert; Takeshi Nakagawa; Takehiko Suzuki; Richard A. Staff; Keitaro Yamada; Ikuko Kitaba; Tsuyoshi Haraguchi; Junko Kitagawa; Victoria C. Smith

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Yoshinori Yasuda

International Research Center for Japanese Studies

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Takeshi Nakagawa

Ritsumeikan University

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Katsuya Gotanda

Chiba University of Commerce

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Ikuko Kitaba

Kobe University

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Hitoshi Yonenobu

Naruto University of Education

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Keitaro Yamada

Kyoto University

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Toshiyuki Fujiki

Nagoya University

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Kazuyoshi Yamada

Tokyo Metropolitan University

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Richard A. Staff

University of Oxford

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Kazuyoshi Yamada

Tokyo Metropolitan University

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