Inland water greenhouse gas budgets for RECCAP2: 1. State-of-the-art of global scale assessments
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Abstract
Inland waters are important sources of the greenhouse gasses (GHGs) carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O) to the atmosphere. In the framework of the 2nd phase of the REgional Carbon Cycle Assessment and Processes (RECCAP-2) initiative, we review the state of the art in estimating inland water GHG budgets at global scale, which has substantially advanced since the first phase of RECCAP nearly ten years ago. The development of increasingly sophisticated upscaling techniques, including statistical prediction and process based models, allows for spatially explicit estimates which are needed for regionalized assessments of continental GHG budgets such as those established for RECCAP. A few recent estimates also resolve the seasonal and/or interannual variability in inland water GHG emissions. Nonetheless, the global-scale assessment of inland water emissions remains challenging because of limited spatial and temporal coverage of observations and persisting uncertainties in the abundance and distribution of inland water surface areas. To decrease these uncertainties, more empirical work on the contributions of hot-spots and hot-moments to overall inland water GHG emissions is particularly needed.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Inland water greenhouse gas budgets for RECCAP2: 1. State-of-the-art of global scale assessments |
| Series title | Global Biogeochemical Cycles |
| DOI | 10.1029/2022GB007657 |
| Volume | 37 |
| Issue | 5 |
| Year Published | 2023 |
| Language | English |
| Publisher | American Geophysical Union |
| Contributing office(s) | Southwest Biological Science Center |
| Description | e2022GB007657, 32 p. |
| Google Analytic Metrics | Metrics page |