2008 Fiscal Year Final Research Report
A cost effective soil environment management using selective solute transport management governed by convection and dispersion.
| Project/Area Number |
18510074
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Environmental technology/Environmental materials
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| Research Institution | Shimane University |
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Principal Investigator |
MORI Yasushi Shimane University, 生物資源科学部, 准教授 (80252899)
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| Project Period (FY) |
2006 – 2008
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| Keywords | 環境技術 / 土壌圏現象 / 移流・分散 / 浸透現象 / 土壌汚染 / 施肥管理 / 環境保全 |
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| Research Abstract |
自然に存在する土壌にはマクロポアと呼ばれる粗大間隙があり,溶質が迅速に流れ出てしまい,効果的な施肥や薬剤散布を妨げている.そこで土壌が僅かに不飽和になる条件下で溶質移動を行うと分散が卓越し,溶質が正規分布様に土壌全体に分散し,汚染土壌の浄化では効率的に栄養塩を土壌細部に送り届けることが出来た.人工的にこの構造を作ると,浸透を制御できる限りにおいて,湛水を防止し,長期に溶質浸透を可能にできることが明らかになった.
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Research Products
(27 results)
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[Presentation] Characterizing Hydrological Processes in Vadose Zone by Direct Infiltration Water Sampling2007
Author(s)
Mori, Y., N. Higashi, H. Somura, I.Takeda,M.Inoueprofile.TOC decreased immediately as profile reachedto 50cm depth.vertical solute transport.012345678westwestwestsouthsouthsouthTOC (%)503010Well-maintained Roughly-maintainedFig.7 TOC distribution in the vertical soilprofile.TOC decreased immediately as profile reachedto 50cm depth.M.Inoue
Organizer
American Geophysical Union Fall Meeting
Place of Presentation
San Francisco, USA
Year and Date
2007-12-01
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