Articles | Volume 14, issue 22
Biogeosciences, 14, 5271–5280, 2017
https://doi.org/10.5194/bg-14-5271-2017
Biogeosciences, 14, 5271–5280, 2017
https://doi.org/10.5194/bg-14-5271-2017
Research article
28 Nov 2017
Research article | 28 Nov 2017

Tune in on 11.57 µHz and listen to primary production

Tom J. S. Cox et al.

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Cited articles

Bloomfield, P.: Fourier Analysis of Time Series. Second Edition, J. Wiley & Sons, New York, 2000.
Cole, J., Pace, M., Carpenter, S., and Kitchell, J.: Persistence of net heterotrophy in lakes during nutrient addition and food web manipulations, Limnol. Oceanogr., 45, 1718–1730, 2000.
Cox, T.: GPPFourier v2.1 – Calculate GPP from O2 time series. R-package, available at: https://cran.r-project.org/web/packages/GPPFourier/index.html (last access: 24 November 2017), https://doi.org/10.5281/zenodo.940237, 2017.
Cox, T., Soetaert, K., Maris, T., Kromkamp, J., Meire, P., and Meysman, F.: Estimating primary production from oxygen time series: a novel approach in the frequency domain, Limnol. Oceanogr.-Methods, 13, 529–552, https://doi.org/10.1002/lom3.10046, 2015.
Howarth, R. and Michaels, A. F.: The measurement of primary production in aquatic ecosystems, in: Methods in Ecosystem Science, edited by: Sala, O., Jackson, R., Mooney, H., and Howarth, R. W., pp. 72–85, Springer-Verlag, New York, USA, 2000.
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Photosynthesis by phytoplankton is a key source of oxygen (O2) in aquatic systems. We have developed a mathematical technique to calculate the rate of photosynthesis from time series of O2. Additionally, the approach leads to a better understanding of the influence on O2 measurements of the tides in coasts and estuaries. The results are important for correctly interpreting the data that are gathered by a growing set of continuous O2 sensors that are deployed around the world.
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