Abstract
The first (1946-58) and third (1976-85) periods have a similar tendency in that low index circulation types are prevalent, which result in hot summer as well as the first type of cool summer. Low index circulation types are inclined to continue for several pentads, and remarkably high or low temperatures are frequently observed in these periods. The second period (1959-75) have an opposite tendency in that high index circulation types are prevalent. The circulation types are inclined to change under a zonal flow pattern, especially in the transitional stage between high and low temperature types that are frequently recognized. -from Author
| Original language | English |
|---|---|
| Pages (from-to) | 41-57 |
| Number of pages | 17 |
| Journal | Science Reports - Tohoku University, Seventh Series: Geography |
| Volume | 41 |
| Issue number | 2 |
| Publication status | Published - 1991 Jan 1 |
ASJC Scopus subject areas
- Environmental Science(all)
- Earth and Planetary Sciences(all)