| Presentation | 2009-11-02 A TREND OBSERVED IN TRMM/PR MONTHLY RAINFALL PRODUCTS AND AN EVALUATION OF SAMPLING ERROR BY A BOOTSTRAP METHOD(WSANE 2009 (Workshop for Space, Aeronautical and Navigational Electronics)) Yasuhisa IIDA, Takuji KUBOTA, Toshio IGUCHI, Riko OKI, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | This study examines a trend in 7-year monthly rainfall amounts (September 2001-August 2008) observed by the TRMM Precipitation Radar (PR). It is shown that the monthly rainfall amounts averaged in the range of 35°S to 35°N (PR observation range) tend to increase slightly over this period. This tendency can be considered to be affected by sampling errors due to the narrow observation swaths of the PR, in addition to natural variations. Therefore, this study developed the method of evaluating the sampling errors by a bootstrap method using the actual data observed by the PR. We examined the trend in the averaged rainfall amounts during 7 years considering the simulated sampling errors. As a result, the positive trend was significantly detected, even when sampling error was removed. From this, it can be concluded that this positive trend is highly likely to be due to natural variations. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Sampling error / Bootstrap / Trend detection / Rainfall / TRMM Precipitation Radar |
| Paper # | SANE2009-89 |
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| Conference Information | |
| Committee | SANE |
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| Conference Date | 2009/10/26(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Space, Aeronautical and Navigational Electronics (SANE) |
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| Language | ENG |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A TREND OBSERVED IN TRMM/PR MONTHLY RAINFALL PRODUCTS AND AN EVALUATION OF SAMPLING ERROR BY A BOOTSTRAP METHOD(WSANE 2009 (Workshop for Space, Aeronautical and Navigational Electronics)) |
| Sub Title (in English) | |
| Keyword(1) | Sampling error |
| Keyword(2) | Bootstrap |
| Keyword(3) | Trend detection |
| Keyword(4) | Rainfall |
| Keyword(5) | TRMM Precipitation Radar |
| 1st Author's Name | Yasuhisa IIDA |
| 1st Author's Affiliation | Earth Observation Research Center, JAXA() |
| 2nd Author's Name | Takuji KUBOTA |
| 2nd Author's Affiliation | Earth Observation Research Center, JAXA |
| 3rd Author's Name | Toshio IGUCHI |
| 3rd Author's Affiliation | Earth Observation Research Center, JAXA:Applied Electromagnetic Research Center, NICT |
| 4th Author's Name | Riko OKI |
| 4th Author's Affiliation | Earth Observation Research Center, JAXA |
| Date | 2009-11-02 |
| Paper # | SANE2009-89 |
| Volume (vol) | vol.109 |
| Number (no) | 265 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |