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Plumbing the Global Carbon Cycle: Integrating Inland Waters into the Terrestrial Carbon Budget
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BibTeX
@MISC{Middelburg_plumbingthe,
author = {J. J. Middelburg and J. Melack},
title = {Plumbing the Global Carbon Cycle: Integrating Inland Waters into the Terrestrial Carbon Budget},
year = {}
}
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Abstract
Because freshwater covers such a small fraction of the Earth’s surface area, inland freshwater ecosystems (particularly lakes, rivers, and reservoirs) have rarely been considered as potentially important quantitative components of the carbon cycle at either global or regional scales. By taking published estimates of gas exchange, sediment accumulation, and carbon transport for a variety of aquatic systems, we have constructed a budget for the role of inland water ecosystems in the global carbon cycle. Our analysis conservatively estimates that inland waters annually receive, from a combination of background and anthropogenically altered sources, on the order of 1.9 Pg C y)1 from the terrestrial
