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(Table T1) Calcium carbonate content of sediments from ODP Leg 172 sites, supplementary data to: Giosan, Liviu; Flood, Roger D; Gruetzner, Jens; Franz, Sven-Oliver; Poli, Maria-Serena; Hagen, Sveinung (2001): High-resolution carbonate content estimated from diffuse spectral reflectance for Leg 172 sites. In: Keigwin, LD; Rio, D; Acton, GD; Arnold, E (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 172, 1-12 (2001)

Giosan, Liviu ; Flood, Roger D ; Gruetzner, Jens ; [et al.]

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(DE-627)728205750

Format: 166 DataPoints , Format: text/tab-separated-values

Content: Visual-domain diffuse reflectance data collected aboard the JOIDES Resolution with the Minolta spectrometer CM-2002 during Ocean Drilling Program Leg 172 have been used to estimate successfully the carbonate content of sediments. Calibration equations were developed for each site and for each lithostratigraphic unit (or subunit at Site 1063) using multiple linear regression on raw as well as pretreated reflectance spectra (i.e., first-order derivation and squaring of raw reflectance spectra) for a total of 4141 direct carbonate measurements. The root-mean-square errors of 4% to 7% are within the range of previous estimates using diffuse reflectance data and are acceptable for the general extensive range of carbonate contents (i.e., 0-70 wt%) that characterize sedimentation at Leg 172 sites.

Note: This dataset is supplement to doi:10.2973/odp.proc.sr.172.210.2001

Language: English

Keywords: Datensammlung

DOI: 10.1594/PANGAEA.787987

URN: urn:nbn:de:tib-10.1594/PANGAEA.7879873

URL: Volltext