NAKANO NAOTO
   Department   Graduate School  , Graduate School of Advanced Mathematical Sciences
   Position   Associate Professor (non-tenured)
Language English
Publication Date 2016
Type Academic Journal
Peer Review Peer reviewed
Title Sampling Downscaling in Summertime Precipitation over Hokkaido
Contribution Type Co-authored (other than first author)
Journal JOURNAL OF THE METEOROLOGICAL SOCIETY OF JAPAN
Journal TypeJapan
Publisher METEOROLOGICAL SOC JAPAN
Volume, Issue, Page 94A(0),pp.17-29
Author and coauthor Yuta Tamaki, Masaru Inatsu, Ryusuke Kuno, Naoto Nakano
Details The sampling downscaling (SmDS) in which a regional atmospheric model is integrated for sampled periods was performed for summertime Hokkaido. Selected are top two and bottom two years of the general circulation model projection onto the first singular value decomposition mode where heavy precipitation in southern Hokkaido is correlated with the moisture flux convergence in the synoptic field. The SmDS result integrated for the four years successfully reproduces the dynamical downscaling for 30 years, in terms of climatological precipitation and the 99-percentile value of daily precipitation. This indicates that SmDS can be applied to the environment where local precipitation is mostly controlled by synoptic climate patterns. A further statistical consideration in this study supports the notion. It is also demonstrated that SmDS selects a group of years where extreme events likely occur another group of years where they rarely occur.
DOI 10.2151/jmsj.2015-023
ISSN 0026-1165
NAID 130005125544
PermalinkURL http://ci.nii.ac.jp/naid/130005125544