Tidal Wetlands and Estuaries
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Abstract
1. The top 1 m of tidal wetland soils and estuarine sediments of North America contains 1,886 ± 1046 teragrams of carbon (Tg C). [High confidence, Very likely]
2. Soil carbon accumulation rate (i.e., sediment burial) in North American tidal wetlands is currently 9 ± 5 Tg C per year and estuarine carbon burial is 5 ± 3 Tg C per year. [High confidence, Likely]
3. The lateral flux of carbon from tidal wetlands to estuaries is 16 ± 10 Tg C per year for North America. [Low confidence, Likely]
4. In North America, tidal wetlands remove 27 ± 13 Tg C per year from the atmosphere, estuaries outgas 10 ± 10 Tg C per year to the atmosphere, and the net uptake by the combined wetland-estuary system is 17 ± 16 Tg C per year. [Low confidence, Likely]
5. Research and modeling needs are greatest for understanding responses to accelerated sea level rise, mapping tidal wetland and estuarine extent and quantification of CO2 and CH4 exchange with the atmosphere, especially in large, under-sampled, and rapidly changing regions. [High confidence, Likely]
Note: Confidence levels are provided as appropriate for quantitative, but not qualitative, Key Findings and statements.
| Publication type | Book chapter |
|---|---|
| Title | Tidal Wetlands and Estuaries |
| Chapter | 15 |
| DOI | 10.7930/SOCCR2.2018.Ch15 |
| Year Published | 2018 |
| Language | English |
| Contributing office(s) | WMA - Earth System Processes Division |
| Description | 53 p. |
| Larger Work Type | Report |
| Larger Work Subtype | Federal Government Series |
| Larger Work Title | Second state of the carbon cycle report (SOCCR2): A sustained assessment report |
| First page | 596 |
| Last page | 648 |
| Country | Canada, Mexico, United States |
| Google Analytic Metrics | Metrics page |