Meteorological analysis and prediction on the low-dimensional space
| Project/Area Number |
26310201
|
|---|
| Research Category |
Grant-in-Aid for Scientific Research (B)
|
| Allocation Type | Partial Multi-year Fund |
|---|
| Section | 特設分野 |
|---|
| Research Field |
Mathematical Sciences in Search of New Cooperation
|
|---|
| Research Institution | Hokkaido University |
|---|
Principal Investigator |
Inatsu Masaru 北海道大学, 理学研究院, 教授 (80422450)
|
|---|
| Co-Investigator(Kenkyū-buntansha) |
中野 直人 京都大学, 国際高等教育院, 特定講師 (30612642)
荒井 迅 中部大学, 創発学術院, 教授 (80362432)
|
|---|
| Co-Investigator(Renkei-kenkyūsha) |
Mukougawa Hitoshi 京都大学, 大学院理学研究科, 教授 (20261349)
|
|---|
| Project Period (FY) |
2014-07-18 – 2018-03-31
|
| Project Status |
Completed (Fiscal Year 2017)
|
| Budget Amount *help |
¥16,380,000 (Direct Cost: ¥12,600,000、Indirect Cost: ¥3,780,000)
Fiscal Year 2016: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2015: ¥6,110,000 (Direct Cost: ¥4,700,000、Indirect Cost: ¥1,410,000)
Fiscal Year 2014: ¥7,020,000 (Direct Cost: ¥5,400,000、Indirect Cost: ¥1,620,000)
|
|---|
| Keywords | 温帯低気圧 / 数理科学 / 位相幾何学 / 数理気象学 / 予測可能性 / 力学系 / 画像解析 / 大気現象 / 数理物理 |
|---|
| Outline of Final Research Achievements |
Meteorological low-frequency variability and prediction: A 5,000-yr integeration with an AGCM was conducted. We considered the relation between data-orbit manifold and 4-dimensional stochastic differential equation, focusing on the troposphere in boreal winter. After the breeding-growing-mode method was implemented in the AGCM, we compared multiple realisation in the long-term integration on the phase-space analysis with the initial-value growing.
Geometrical change of extratropical cyclones: We developed a brand-new cyclone tracking programme with persistent homology. By reconstructing data with merge-trees based on maxima and saddles of the scaler field, the neighbouring among homology classes were clarified. The cyclone identification with this algorithm is consistent with conventional meteorological analysis.
|
Report
(5 results)
Research Products
(38 results)
-
-
-
-
-
-
-
[Journal Article] Long-term assessment of airborne radiocesium after the Fukushima nuclear accident: Re-suspension from bare soil and forest ecosystems.2016
Author(s)
Kajino, M., Ishizuka, M., Igarashi, Y., Kita, K., Yoshikawa, C. and Inatsu, M.
-
Journal Title
Atmospheric Chemistry and Physics-Discussion,
Volume: 16
Pages: 13149-13172
DOI
Related Report
Peer Reviewed / Open Access / Acknowledgement Compliant
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
