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Abstract: Methods Comparison for Soil Organic Carbon Estimation in Semi-Arid Mangrove Sediments Reveals Systematic Inflation of “Blue Carbon” Credits (AGU25)

Methods Comparison for Soil Organic Carbon Estimation in Semi-Arid Mangrove Sediments Reveals Systematic Inflation of “Blue Carbon” Credits

Linnea Norton1,2, Jonathan Sanderman3, Matthew Jacques3, Phoebe Hagberg4, André Diatta5, Kristina Guild Douglass2,6 and Dorothy M Peteet2,7, (1)Columbia University, New York, United States, (2)Lamont -Doherty Earth Observatory, Palisades, United States, (3)Woodwell Climate Research Center, Falmouth, United States, (4)University of California Irvine, Ecology and Evolutionary Biology, Irvine, United States, (5)Université Gaston Berger, Saint-Louis, Senegal, (6)Columbia University Climate School, Palisades, United States, (7)NASA Goddard Institute for Space Studies, New York, NY, United States