Data to support surface elevation change and vertical accretion data to support assessment of hummock formation/loss in tidal freshwater forested wetlands along the U.S. Atlantic coast (2009-2021)
May 9, 2023
This study evaluated surface elevation change and vertical accretion of sediments in hollows and on top of hummocks associated with the base of tree stems in tidal freshwater forested wetlands. Sites were along a gradient of habitat change from freshwater forest to marsh and tracked hollow subsidence and in-filling with transgression over 6 (Virginia) to 12 (South Carolina/Georgia) years. Both deep and shallow Surface Elevation Tables (SETs) were used and compared with accretion of surficial sediments during overlapping assessment periods.
Citation Information
| Publication Year | 2023 |
|---|---|
| Title | Data to support surface elevation change and vertical accretion data to support assessment of hummock formation/loss in tidal freshwater forested wetlands along the U.S. Atlantic coast (2009-2021) |
| DOI | 10.5066/P91IR97H |
| Authors | Ken W Krauss, Gregory Noe, Jamie Duberstein, Andrew From |
| Product Type | Data Release |
| Record Source | USGS Digital Object Identifier Catalog |
| USGS Organization | Wetland and Aquatic Research Center - Gainesville, FL |
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Presence of hummock and hollow microtopography reflects shifting balances of shallow subsidence and root zone expansion along forested wetland river gradients
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Presence of hummock and hollow microtopography reflects shifting balances of shallow subsidence and root zone expansion along forested wetland river gradients
Tidal freshwater forested wetlands (TFFWs) are in an active phase of transition to tidal marsh with sea level rise and salinity incursion along the Atlantic and Gulf Coasts of the United States (U.S.). A prominent feature of TFFWs is hummock/hollow microtopography where hollows represent the flat, base-elevation of the floodplain where inundation occurs relatively frequently, while hummocks provid
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Ken Krauss, Gregory B. Noe, Jamie A. Duberstein, Nicole Cormier, Andrew From, Tom Doody, William H. Conner, Donald Cahoon, Darren Johnson