Funding for this research was provided by:
Japan Society for the Promotion of Science (JP18K12576, JP26220202)
Sumitomo Foundation (173466)
Joint Research Program of the Institute for Space-Earth Environmental Research,Nagoya University
Text and Data Mining valid from 2019-02-15
Received: 5 April 2018
Accepted: 7 January 2019
First Online: 15 February 2019
: AF is a lecturer in the Faculty of Humanities and Sciences at Kobe Gakuin University. HK is a researcher at the Institute for Space-Earth Environmental Research, Nagoya University. JM is the director of the Research Center for Climatology and a professor in the Department of Geography, Tokyo Metropolitan University.
: The authors declare that they have no competing interests.
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