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A hybrid algorithm for estimating the chlorophyll-a concentration across different trophic states in Asian inland waters
Matsushita, Bunkei1; Yang, Wei2; Yu, Gongliang3; Oyama, Youichi1; Yoshimura, Kazuya4; Fukushima, Takehiko1; Matsushita, B (reprint author), Univ Tsukuba, Fac Life & Environm Sci, Tennoudai 1-1-1, Tsukuba, Ibaraki 3058572, Japan.
2015-04-01
Source PublicationISPRS JOURNAL OF PHOTOGRAMMETRY AND REMOTE SENSING
ISSN0924-2716
Volume102Pages:28-37
AbstractThe chlorophyll-a (Chl-a) concentration is one of the most important parameters for evaluating the state of water environments, which often vary markedly across both time and space. Here we propose a hybrid algorithm for retrieving the Chl-a values from in situ remote sensing data. This hybrid algorithm contains three individual Chl-a estimation algorithms that were previously developed for clear waters (a blue-green algorithm), turbid waters (a two-band index-based red-near infrared algorithm), and highly turbid waters (a three-band index-based red-near infrared algorithm). The MCI value (maximum chlorophyll index) was used to switch the three algorithms. To evaluate the performance of the proposed hybrid algorithm, we used the in situ remote sensing reflectance and Chl-a values collected from five Asian lakes, the trophic status of which varied from oligotrophic to hypertrophic. The results showed that the hybrid algorithm performed well for a wide variety of optical properties, with the NMAE (normalized mean absolute error) of 13.3%. Our results indicate that the proposed hybrid algorithm has the potential for use as an operational tool for monitoring Chl-a in waters with widely varying trophic conditions without the requirement of reparameterization. (C) 2015 International Society for Photogrammetry and Remote Sensing, Inc. (ISPRS). Published by Elsevier B.V. All rights reserved.
SubtypeArticle
KeywordChlorophyll-a Concentration Red-nir Algorithm Blue-green Algorithm Maximum Chlorophyll Index Hybrid Algorithm Asian Lakes
Department[Matsushita, Bunkei ; Oyama, Youichi ; Fukushima, Takehiko] Univ Tsukuba, Fac Life & Environm Sci, Tsukuba, Ibaraki 3058572, Japan ; [Yang, Wei] Japan Agcy Marine Earth Sci & Technol, Dept Environm Geochem Cycle Res, Yokohama, Kanagawa 2360001, Japan ; [Yu, Gongliang] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China ; [Yoshimura, Kazuya] Japan Atom Energy Agcy, Headquarters Fukushima Partnership Operat, Tokyo 1008577, Japan
DOI10.1016/j.isprsjprs.2014.12.022
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
Indexed BySCI
Language英语
WOS Research AreaPhysical Geography ; Geology ; Remote Sensing ; Imaging Science & Photographic Technology
WOS SubjectGeography, Physical ; Geosciences, Multidisciplinary ; Remote Sensing ; Imaging Science & Photographic Technology
WOS KeywordTURBID PRODUCTIVE WATERS ; NEAR-INFRARED BANDS ; REMOTE ESTIMATION ; SEMIANALYTICAL MODEL ; LAKE KASUMIGAURA ; COASTAL WATERS ; RED ; OCEAN ; REFLECTANCE ; VALIDATION
WOS IDWOS:000352665500003
Citation statistics
Cited Times:23[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/25762
Collection藻类生物学及应用研究中心
Corresponding AuthorMatsushita, B (reprint author), Univ Tsukuba, Fac Life & Environm Sci, Tennoudai 1-1-1, Tsukuba, Ibaraki 3058572, Japan.
Affiliation1.Univ Tsukuba, Fac Life & Environm Sci, Tsukuba, Ibaraki 3058572, Japan
2.Japan Agcy Marine Earth Sci & Technol, Dept Environm Geochem Cycle Res, Yokohama, Kanagawa 2360001, Japan
3.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China
4.Japan Atom Energy Agcy, Headquarters Fukushima Partnership Operat, Tokyo 1008577, Japan
Recommended Citation
GB/T 7714
Matsushita, Bunkei,Yang, Wei,Yu, Gongliang,et al. A hybrid algorithm for estimating the chlorophyll-a concentration across different trophic states in Asian inland waters[J]. ISPRS JOURNAL OF PHOTOGRAMMETRY AND REMOTE SENSING,2015,102:28-37.
APA Matsushita, Bunkei.,Yang, Wei.,Yu, Gongliang.,Oyama, Youichi.,Yoshimura, Kazuya.,...&Matsushita, B .(2015).A hybrid algorithm for estimating the chlorophyll-a concentration across different trophic states in Asian inland waters.ISPRS JOURNAL OF PHOTOGRAMMETRY AND REMOTE SENSING,102,28-37.
MLA Matsushita, Bunkei,et al."A hybrid algorithm for estimating the chlorophyll-a concentration across different trophic states in Asian inland waters".ISPRS JOURNAL OF PHOTOGRAMMETRY AND REMOTE SENSING 102(2015):28-37.
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