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Journal article
Accuracy and Precision of Tidal Wetland Soil Carbon Mapping in the Conterminous United States
Scientific reports, v 8(1), 9478
21 Jun 2018
PMID: 29930337
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Tidal wetlands produce long-term soil organic carbon (C) stocks. Thus for carbon accounting purposes, we need accurate and precise information on the magnitude and spatial distribution of those stocks. We assembled and analyzed an unprecedented soil core dataset, and tested three strategies for mapping carbon stocks: applying the average value from the synthesis to mapped tidal wetlands, applying models fit using empirical data and applied using soil, vegetation and salinity maps, and relying on independently generated soil carbon maps. Soil carbon stocks were far lower on average and varied less spatially and with depth than stocks calculated from available soils maps. Further, variation in carbon density was not well-predicted based on climate, salinity, vegetation, or soil classes. Instead, the assembled dataset showed that carbon density across the conterminous united states (CONUS) was normally distributed, with a predictable range of observations. We identified the simplest strategy, applying mean carbon density (27.0 kg C m), as the best performing strategy, and conservatively estimated that the top meter of CONUS tidal wetland soil contains 0.72 petagrams C. This strategy could provide standardization in CONUS tidal carbon accounting until such a time as modeling and mapping advancements can quantitatively improve accuracy and precision.
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Details
- Title
- Accuracy and Precision of Tidal Wetland Soil Carbon Mapping in the Conterminous United States
- Creators
- James R Holmquist - Smithsonian Environmental Research Center, Edgewater, USA. HolmquistJ@si.eduLisamarie Windham-Myers - United States Geological SurveyNorman Bliss - United States Geological SurveyStephen Crooks - Silvestrum Climate Associates, LLC, Mill Valley, USAJames T Morris - University of South CarolinaJ Patrick Megonigal - Smithsonian Environmental Research Center, Edgewater, USATiffany Troxler - Florida International University, Miami, USADonald Weller - Smithsonian Environmental Research Center, Edgewater, USAJohn Callaway - University of San Francisco, San Francisco, USAJudith Drexler - United States Geological SurveyMatthew C Ferner - San Francisco State University and San Francisco Bay National Estuarine Research Reserve, San Francisco, USAMeagan E Gonneea - United States Geological SurveyKevin D Kroeger - United States Geological SurveyLisa Schile-Beers - Smithsonian Environmental Research Center, Edgewater, USAIsa Woo - United States Geological SurveyKevin Buffington - United States Geological SurveyJoshua Breithaupt - University of South Florida, Tampa, USABrandon M Boyd - Coastal and Hydraulics Laboratory, U.S. Army Engineer Research and Development Center, Vicksburg, USALauren N Brown - University of California, Los AngelesNicole DixLyndie Hice - Delaware National Estuarine Research Reserve, Dover, USABenjamin P Horton - Earth Observatory of Singapore and Nanyang University, Singapore, SingaporeGlen M MacDonald - University of California, Los Angeles, USARyan P Moyer - Florida Fish & Wildlife Conservation Commission, Fish & Wildlife Research Institute, St. Petersburg, USAWilliam Reay - Virginia Institute for Marine Sciences, Gloucester Point, USATimothy Shaw - Asian School of the Environment, Nanyang Technical University, Singapore, SingaporeErik Smith - North Inlet-Winyah Bay National Estuarine Research Reserve, Georgetown, USAJoseph M Smoak - University of South Florida, Tampa, USAChristopher Sommerfield - University of Delaware, School of Marine Science and Policy, Newark, USAKaren Thorne - USGS, Western Ecological Research Center, Vallejo, USADavid Velinsky - Drexel University, Biodiversity, Earth, and Environmental Science (BEES)Elizabeth Watson - Drexel University, Biodiversity, Earth, and Environmental Science (BEES)Kristin Wilson Grimes - Wells National Estuarine Research ReserveMark Woodrey - Grand Bay National Estuarine Research Reserve and Mississippi State University, Moss Point, USA
- Publication Details
- Scientific reports, v 8(1), 9478
- Publisher
- Springer Nature
- Number of pages
- 16
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Biodiversity, Earth, and Environmental Science (BEES)
- Web of Science ID
- WOS:000435790500057
- Scopus ID
- 2-s2.0-85054190828
- Other Identifier
- 991021886512604721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Environmental Sciences