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Estimation of uncertainty for massive Porites coral skeletal density

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/55799

Title: Estimation of uncertainty for massive Porites coral skeletal density
Authors: Sowa, Kohki Browse this author
Watanabe, Tsuyoshi Browse this author →KAKEN DB
Nakamura, Takashi Browse this author
Sakai, Saburo Browse this author
Sakamoto, Tatsuhiko Browse this author
Keywords: coral
skeleton
skeletal density
uncertainty
coral growth
TATSCAN-X1
Issue Date: Mar-2013
Publisher: 独立行政法人海洋研究開発機構
Journal Title: JAMSTEC Report of Research and Development
Volume: 16
Start Page: 31
End Page: 39
Publisher DOI: 10.5918/jamstecr.16.31
Abstract: Previous studies have not demonstrated the estimate errors in growth parameters (skeletal density, extension rate and calcification rate) for massive coral skeletons. In order to discuss the variability of coral skeletal growth, it is crucial for quantitative evaluation of the parameters with errors. We report the protocol of calculating errors as combined standard uncertainty for coral skeletal density (uρSA) based on ISO/IEC Guide 98–3 (2008). We applied the non-destructive transparent X-ray 2-D imaging scanner, TATSCAN-X1, which enabled to quick and quantitative analysis of the uρSA parameters with digital procedures. We analyzed the annual skeletal density for massive Porites coral collected from Ishigaki Island. The skeletal densities changed from 1.45 to 1.70 g/cm3 and uρSA were ca. 0.02 g/cm3. Our results indicated that the uρSA was derived from the combined effects of 78.5% from the standard uncertainty of deducing of analytical curve (u ln OD (Y)→ρ*t (X)) and 6.3% from that of the sample thickness error (utSA).
Rights: Copyright 2013 by Japan Agency for Marine-Earth Science and Technology
Type: article
URI: http://hdl.handle.net/2115/55799
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 渡邊 剛

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