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DOI10.1364/OE.26.007404
Performance metrics for the assessment of satellite data products: an ocean color case study
Seegers, Bridget N.1,2; Stumpf, Richard P.3; Schaeffer, Blake A.4; Loftin, Keith A.5; Werdell, P. Jeremy
发表日期2018-03-19
ISSN1094-4087
卷号26期号:6页码:7404-7422
英文摘要

Performance assessment of ocean color satellite data has generally relied on statistical metrics chosen for their common usage and the rationale for selecting certain metrics is infrequently explained. Commonly reported statistics based on mean squared errors, such as the coefficient of determination (r(2)), root mean square error, and regression slopes, are most appropriate for Gaussian distributions without outliers and, therefore, are often not ideal for ocean color algorithm performance assessment, which is often limited by sample availability. In contrast, metrics based on simple deviations, such as bias and mean absolute error, as well as pair-wise comparisons, often provide more robust and straightforward quantities for evaluating ocean color algorithms with non-Gaussian distributions and outliers. This study uses a SeaWiFS chlorophyll-a validation data set to demonstrate a framework for satellite data product assessment and recommends a multimetric and user-dependent approach that can be applied within science, modeling, and resource management communities. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement


语种英语
WOS记录号WOS:000427900400098
来源期刊OPTICS EXPRESS
来源机构美国环保署
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/60432
作者单位1.NASA, Goddard Space Flight Ctr, Ocean Ecol Lab, Greenbelt, MD 20771 USA;
2.USRA, Columbia, MD USA;
3.NOAA, Natl Ocean Serv, Silver Spring, MD 20910 USA;
4.US EPA, Off Res & Dev, Durham, NC USA;
5.US Geol Soc, Kansas Water Sci Ctr, Lawrence, KS USA
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GB/T 7714
Seegers, Bridget N.,Stumpf, Richard P.,Schaeffer, Blake A.,et al. Performance metrics for the assessment of satellite data products: an ocean color case study[J]. 美国环保署,2018,26(6):7404-7422.
APA Seegers, Bridget N.,Stumpf, Richard P.,Schaeffer, Blake A.,Loftin, Keith A.,&Werdell, P. Jeremy.(2018).Performance metrics for the assessment of satellite data products: an ocean color case study.OPTICS EXPRESS,26(6),7404-7422.
MLA Seegers, Bridget N.,et al."Performance metrics for the assessment of satellite data products: an ocean color case study".OPTICS EXPRESS 26.6(2018):7404-7422.
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