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2023 Fiscal Year Final Research Report

Development of a method for estimating soil degradation using remote sensing in agricultural area

Research Project

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Project/Area Number 19K04405
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 21030:Measurement engineering-related
Research InstitutionKyoto University of Advanced Science

Principal Investigator

Oki Kazuo  京都先端科学大学, 工学部, 教授 (50292628)

Project Period (FY) 2019-04-01 – 2024-03-31
Keywordsリモートセンシング / ドローン / 塩害化 / 土壌劣化
Outline of Final Research Achievements

In this study, a method was developed to detect areas with milder soil salinity using remote sensing data from satellites and UAVs (unmanned aerial vehicles) that can observe with high spatial resolution (several centimeters) at wheat farms in the Wheat Belt region of Western Australia, Australia, pecan nut farms in Arizona, USA, and rice paddies in Khon Kaen, Thailand where the representative is currently conducting research. As a result, we showed that by integrating vegetation index calculated from remote sensing data with DEM (elevation data) information, it is possible to classify the type and degree of soil degradation, with an accuracy of over 90%.

Free Research Field

リモートセンシング

Academic Significance and Societal Importance of the Research Achievements

広域を観測できるリモートセンシングデータから軽度の土壌劣化(塩害化)情報を把握することにより、各農耕地において早期に耐塩性などの作物を植えるなどの対策により影響を受ける地域の生活インフラや農業生産・世帯収入を維持していくことが可能になると思われる。さらに、将来において、各地域の特性を考慮したアクションプランや法制度等に本研究の成果が役立つと考えられ、社会的意義が大きいと言える。各国の海外共同研究機関と協働で、今後の更なる実用化に向けたベースが整ったと言える。

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Published: 2025-01-30  

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