Cited by 3,941Atmospheric and Environmental Gas DynamicsMarine and coastal ecosystemsPeatlands and Wetlands Ecology

Plumbing the Global Carbon Cycle: Integrating Inland Waters into the Terrestrial Carbon Budget

Cole, J. J., Prairie, Y. T., Caraco, N. F., McDowell, W. H., Tranvik, L. J., Striegl, R. G., Duarte, C. M., Kortelainen, P. +3 more·2007·Ecosystems

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 landscape, of which about 0.2 is buried in aquatic sediments, at least 0.8 (possibly much more) is returned to the atmosphere as gas exchange while the remaining 0.9 Pg y-¹ is delivered to the oceans, roughly equally as inorganic and organic carbon. Thus, roughly twice as much C enters inland aquatic systems from land as is exported from land to the sea. Over prolonged time net carbon fluxes in aquatic systems tend to be greater per unit area than in much of the surrounding land. Although their area is small, these freshwater aquatic systems can affect regional C balances. Further, the inclusion of inland, freshwater ecosystems provides useful insight about the storage, oxidation and transport of terrestrial C, and may warrant a revision of how the modern net C sink on land is described.

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Crossref · 10.1007/s10021-006-9013-8

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108 of 108 references verified0 citation errors · 0 not checkable

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  • Ditches, like other aquatic systems, are not passive pipes but active components of global biogeochemical cycles, and the biogeochemical fingerprint of water leaving a ditch system can be substantially altered relative to incoming flow.

    “Ditches, like other aquatic systems, are not passive pipes but active components of global biogeochemical cycles 125 , and the biogeochemical fingerprint of water leaving a ditch system can be substantially altered relative to incoming flow.”

    From Lines in the landscape (2025) · cites this paper as [125]

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Authors
Cole, J. J., Prairie, Y. T., Caraco, N. F., McDowell, W. H., Tranvik, L. J., Striegl, R. G., Duarte, C. M., Kortelainen, P., Downing, J. A., Middelburg, J. J., & Melack, J.
Affiliations
  • Cary Institute of Ecosystem Studies (US)
  • Université du Québec à Montréal (CA)
  • University of New Hampshire (US)
  • Uppsala University (SE)
  • United States Geological Survey (US)
  • Consejo Superior de Investigaciones Científicas (ES)
  • Finnish Environment Institute (FI)
  • Iowa State University (US)
  • Netherlands Institute of Ecology (NL)
  • University of California, Santa Barbara (US)
Corresponding author
Cole, J. J.
Venue
Ecosystems
Published
2007-02
Volume
10
Issue
1
Pages
172-185
ISSN
  • 1432-9840 (ISSN-L)
  • 1435-0629
OpenAlex
W2100468073
Cited by
3,941
References
108
Citations by year
2026: 198 · 2025: 202 · 2024: 253 · 2023: 237 · 2022: 294 · 2021: 354 · 2020: 243 · 2019: 267 · 2018: 279 · 2017: 243 · 2016: 225 · 2015: 246 · 2014: 190 · 2013: 192 · 2012: 157
FWCI
63.85
Type
journal article
Language
en
Open access
closed
Locations
  • Ecosystems (publishedVersion)
  • UWA Profiles and Research Repository (UWA) (submittedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
  • DIGITAL.CSIC (Spanish National Research Council (CSIC)) (submittedVersion)
  • KNAW research portal (Royal Academy of Art and Sciences (KNAW)) (submittedVersion)
Funders
  • National Science Foundation
  • Andrew W. Mellon Foundation
Topics
  • Physical Sciences › Environmental Science › Global and Planetary Change › Atmospheric and Environmental Gas Dynamics
  • Physical Sciences › Earth and Planetary Sciences › Oceanography › Marine and coastal ecosystems
  • Physical Sciences › Environmental Science › Ecology › Peatlands and Wetlands Ecology
Keywords
carbon cycle, inland waters, freshwater ecosystems, carbon balance, carbon flux, gas exchange, terrestrial carbon sink, lakes, rivers, reservoirs

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