2009 Fiscal Year Final Research Report
Development of new 4-dimnesional variational data assimilation technique using Monte-Carlo method.
| Project/Area Number |
19740292
|
|---|
| Research Category |
Grant-in-Aid for Young Scientists (B)
|
| Allocation Type | Single-year Grants |
|---|
| Research Field |
Meteorology/Physical oceanography/Hydrology
|
|---|
| Research Institution | Kyoto University |
|---|
Principal Investigator |
ISHIKAWA Yoichi Kyoto University, 大学院・理学研究科, 助教 (70335298)
|
|---|
| Project Period (FY) |
2007 – 2009
|
| Keywords | 海洋物理 / データ同化 |
|---|
| Research Abstract |
The new data assimilation scheme is developed called as "ensemble 4-dimensional ariational method". This method can obtain the macroscopic gradients of cost function, hile the classical adjoint method obtains microscopic gradients. As a result, this new cheme can apply for strong nonlinear system. In this study, the efficiency of the new cheme is confirmed by the assimilation system for marine ecosystem model. In ddition, the new method is applied for atmosphere-ocean coupled models.
|
Research Products
(10 results)
