2012 Fiscal Year Final Research Report
Development of water temperature database for small water bodies in Japan using satellite thermal infrared imagery
| Project/Area Number |
21710003
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Environmental dynamic analysis
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| Research Institution | Ibaraki University |
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Principal Investigator |
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| Project Period (FY) |
2009 – 2012
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| Keywords | 湖沼 / 水温 / ASTER / 熱赤外画像 / データベース |
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| Research Abstract |
Water temperature is an important environmental factor for lives inhabiting in lakes and reservoirs, but has not fully been monitored except for major lakes. Thus, a satellite-based lake and reservoir temperature database in Japan (SatLARTD-J) was develped using time-series thermal infrared imagery of ASTER onboard NASA's Terra satellite. It includes water temperatures derived from ASTER data (interval: about three times per year, accuracy: about 1 K) and those regressively estimated with ground air-temperatures (interval: 5 days, accuracy: about 2 K) for 934 water bodies in the period of 2000 to 2008.
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