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Observations and a Model of Net Calcification Declines in Palau's Largest Coral Reef Lagoon Between 1992 and 2015
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2020
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Source: Journal of Geophysical Research: Oceans, 125(8)
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Journal Title:Journal of Geophysical Research: Oceans
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Description:Net ecosystem calci fication ( NEC) rates of Palau's largest lagoon and barrier reef system between 1992 and 2015 are estimated from sparse total alkalinity ( TA) and salinity measurements and a tidal exchange model in which surface lagoon water transported offshore on the ebb tide is replaced by saltier (denser) ocean water that sinks to the bottom after entering the lagoon on the flood tide. Observed lagoon salinities are accurately reproduced by the model with no adjustable parameters. To accurately reproduceobserved lagoon TA,NEC for the lagoon ‐barrier reef system was 70 mmols m −2day−1from 1992 to 1998, 35 mmols m−2day−1from 1999 to 2012, and 25 mmols m−2day−1from 2013 to 2015. This indicates that
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Source:Journal of Geophysical Research: Oceans, 125(8)
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ISSN:2169-9275;2169-9291;
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Rights Information:Other
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Compliance:Library
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