Hiroshi Machida
Commendation
For outstanding contributions to interdisciplinary Quaternary studies, in particular to studies on widespread tephras, tephrochronology, geomorphology, volcanology and archaeology
A list of five major papers
町田 洋(1964)：Tephrochronologyによる富士火山とその周辺地域の発達史，地学雑誌，73, 293-308．
町田 洋・新井房夫（1976）：広域に分布する火山灰–姶良Tn火山灰の発見とその意義–．科学，46，339-347．
町田 洋・新井房夫・森脇 広（1981）：日本海を渡ってきたテフラ．科学，51，562-569．
Machida, H. and Arai, F. (1983): Extensive ash falls in and around the sea of Japan from large late Quaternary eruptions. Journal of Volcanology and Geothermal Research, 18, 151-164.
Machida, H. (1999): The stratigraphy, chronology and distribution of distal marker-tephras in and around Japan. Global and Planetary Change, 21, 71-94.
Nominator
Hiroshi Moriwaki