Judith B. Moody, Thomas R. Worsley, Peter R. Manoogian; Long-term phosphorus flux to deep-sea sediments. Journal of Sedimentary Research ; 51 (1): 307–312. doi: https://doi.org/10.1306/212F7C7A-2B24-11D7-8648000102C1865D
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Phosphorus and carbonate-free accumulation correlate in three equatorial Pacific cores for the past 10 my. P-accumulation exhibits a secular decrease through time with strong superimposed oscillations. Conservative extrapolation suggests that deep-sea sediments compete with shelf phosphorite formation for phosphorus, consuming at least half of dissolved riverine input.