Development of a remote salinity measurement system for closed waters using autonomous flight UAV
| Project/Area Number |
15K14041
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Hydraulic engineering
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| Research Institution | Hiroshima University |
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Principal Investigator |
SAKUNO YUJI 広島大学, 工学研究院, 准教授 (20332801)
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| Project Period (FY) |
2015-04-01 – 2017-03-31
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| Project Status |
Completed (Fiscal Year 2016)
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| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2016: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2015: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
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| Keywords | リモートセンシング / 塩分 / UAV / CDOM |
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| Outline of Final Research Achievements |
The objective of this research is to develop a remotely salinity measurement system for closed waters by mounting a spectral radiometer on autonomous flight UAV that can acquire data with good wavelength resolution automatically from low airspace. In order to achieve this objective, the spectral reflectance / water quality data set at nine times was collected on site at Lake Togo in a closed watershed as a test site for two years. Using that data set, the relationship between reflectance ratio and CDOM (negatively correlated with salinity) in Lake Togo was studied. As a result, spectral reflectance ratio of wavelength optimum for remotely salinity estimation was found.
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Report
(3 results)
Research Products
(13 results)
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[Journal Article] Retrieval of chlorophyll-a and total suspended solids using Iterative Stepwise Elimination Partial Least Squares (ISE-PLS) regression based on field hyperspectral measurements in Irrigation Ponds in Higashihiroshima, Japan2017
Author(s)
Wang, Z., Kawamura, K., Sakuno, Y., Fan, X., Gong, Z., and Lim, L.
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Journal Title
Remote Sensing
Volume: 9(3)
Issue: 3
Pages: 264-278
DOI
Related Report
Peer Reviewed / Open Access / Acknowledgement Compliant
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