Tag Archives: Isotopes of carbon

Doubling the Carbon Cycle

In the last post we had set out to model geological isotope excursions and found that our conception of the current Carbon cycle is so messed up that any venture into deep time hopeless. Specifically, when d13C values are integrated … Continue reading

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Carbon Isotope Excursions and Carbon Limitation of Primary Productivity in the Biosphere

Carbon Isotope Excursions and Carbon Limitation of Primary Productivity in the Biosphere Gordon Lehman, Trunkmonkey, Gymnosperm; sheepherders, ignoramuses all Abstract The conception of natural history as an economic struggle was developed by Geerat Vermeij (1). “Supply side” interpretations of δ13C … Continue reading

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