| Project/Area Number |
12480146
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Environmental dynamic analysis
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| Research Institution | Chiba University |
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Principal Investigator |
KONDOH Akihiko Chiba University, Center for Environmental Remote Sensing, Associate Professor, 環境リモートセンシング研究センター, 助教授 (30201495)
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| Co-Investigator(Kenkyū-buntansha) |
SAKURA Yasuo Chiba University, Faculty of Sciences, Professor, 理学部, 教授 (70153947)
TANG Changyuan Chiba University, Graduate School of Science and Technology, Associate Professor, 大学院・自然科学研究科, 助教授 (80251198)
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| Project Period (FY) |
2000 – 2002
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| Project Status |
Completed (Fiscal Year 2002)
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| Budget Amount *help |
¥9,900,000 (Direct Cost: ¥9,900,000)
Fiscal Year 2002: ¥2,000,000 (Direct Cost: ¥2,000,000)
Fiscal Year 2001: ¥3,000,000 (Direct Cost: ¥3,000,000)
Fiscal Year 2000: ¥4,900,000 (Direct Cost: ¥4,900,000)
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| Keywords | China / North China Plain(NCP) / Water Problem / Flux / Remote Sensing / Vegetation Index / Winter wheat / Maize / NDVI |
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| Research Abstract |
This research treats evapotranapiration in semi-arid environment in NCP(North China Plain), Heat budget components were measured in three stations along N38□ line in NCP. The research revealed the typical heat; budget in winter wheat field, and its relevance to surface state variables, such as soil moisture, spectral reflectance, and so on. The major viewpoints and outcomes are summarized as follows :
1) Diurnal changes in heat budget in winter wheat field measured by lysimeter and bowen ratio energy balance methods
2) Seasonal changes in heat budget in relation to the growing stages
3) Influence of irrigation to evapotranspiration through soil moisture variation
4) Relationship between evapotranapiration and crop conductance
5) Diurnal and seasonal variations in stomatal resistance/conductance
6) Relationship between stomatal resistance and soil moisture
7) Seasonal variations in spectral reflectance and vegetation index
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