Nitrate flux into the euphotic zone near Bermuda
作者： W. J. Jenkins
DOI: 10.1038/331521A0
关键词: Photic zone 、 Nitrate 、 Thermocline 、 Bermuda Atlantic Time-series Study 、 Flux 、 New production 、 Environmental science 、 Oceanography 、 Carbon 、 Nitrate flux
摘要: Throughout most of the year, there exists within North Atlantic subtropical ocean mixed layer a3He excess which can only be attributed to a flux tritiugenic3He from below. The upward required support this computed as convolution time series of3He and gas-exchange rate. This is quantitatively consistent with long-term evolution main thermocline inventories tritium 3He. Using observed correlation 3He nitrate upper thermocline, I estimate annually averaged into euphotic zone 0.6 ±0.2 moles m−2 per yr. sufficient new, non-regenerative primary productivity in 3 carbon m−2per
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