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Description

This dataset provides maps of the elevation of coastal wetlands relative to tidal ranges for the conterminous United States (CONUS) at 30 m resolution for 2010. It also includes maps of tidal amplitude, relative sea-level rise for the period 1983-2001, and maps for coastal lands and low marsh areas based on the probability of being below the mean higher high tide water line for spring tides (MHHWS). Uncertainty layers for elevation maps are also provided.

Product Summary

Platforms
MODELS
Instruments
Computer
Projects
CMS
Spatial Extent

N: 48.2708 S: 20.5669 E: -56.8541 W: -134.672

Location
UNITED STATES OF AMERICA
Coordinate System
CARTESIAN
Granule Spatial Representation
CARTESIAN
Temporal Extent
1983-01-01 to 2010-12-31
Data Partner
THE OAK RIDGE NATIONAL LABORATORY (ORNL) DISTRIBUTED ACTIVE ARCHIVE CENTER (DAAC) (ORNL_DAAC)
Concept ID
C2345888313-ORNL_CLOUD
Data State
COMPLETE
Number of Files/Granules
9
Processing Level
3
Published
Updated
Science Keywords
Intertidal Zone ,
Wetlands ,
Sea Level Rise ,
Tidal Height ,
Coastal Elevation

Citation

Citation is critically important for dataset documentation and discovery. This dataset is openly shared, without restriction, in accordance with the EOSDIS Data Use and Citation Guidance.

Copy Citation

Holmquist, J. R., & Windham-Myers, L. (2021). Relative Tidal Marsh Elevation Maps with Uncertainty for Conterminous USA, 2010 (Version 1). ORNL Distributed Active Archive Center. https://doi.org/10.3334/ORNLDAAC/1844 Date Accessed: 2026-09-12

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Publications Citing This Dataset

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Title Year Author Topic
Macrolitter accumulation in tidal marsh wrack deposits in a large Garces-Ordonez, Ostin, Canals, Miquel, Noyce, Genevieve L., Rovai, Andre, Collin, Rachel, Thiel, Martin Intertidal Zone, Wetlands, Sea Level Rise, Tidal Height, Coastal Elevation
Marinesourced sediment supply supports salt marsh resilience to sea level rise in the Northeastern US Teng, Wenxiu, Yellen, Brian, Yu, Qian, Ganju, Neil K., Peck, Erin K., Cook, Tim, Woodruff, Jonathan D. Intertidal Zone, Wetlands, Sea Level Rise, Tidal Height, Coastal Elevation
Mapping coastal wetland changes from 1985 to 2022 in the US Atlantic and Gulf Coasts using Landsat time series and national wetland inventories Di Vittorio, Courtney A., Wiles, Melita, Rabby, Yasin W., Movahedi, Saeed, Louie, Jacob, Hezrony, Lily, Cifuentes, Esteban Coyoy, Hinchman, Wes, Schluter, Alex Intertidal Zone, Wetlands, Sea Level Rise, Tidal Height, Coastal Elevation, Carbon Flux, Carbon, Carbon, Coastal Processes, Wetlands
Patterns of marsh surface accretion rates along salinity and hydroperiod gradients between active and inactive coastal deltaic floodplains Cassaway, Andy F., Twilley, Robert R., Rovai, Andre S., Snedden, Gregg A. Intertidal Zone, Wetlands, Sea Level Rise, Tidal Height, Coastal Elevation
Above- and Belowground Biomass Carbon Stock and Net Primary Productivity Woltz, Victoria L., Stagg, Camille LaFosse, Byrd, Kristin B., Windham-Myers, Lisamarie, Rovai, Andre S., Zhu, Zhiliang Intertidal Zone, Wetlands, Sea Level Rise, Tidal Height, Coastal Elevation
Hidden vulnerability of US Atlantic coast to sea-level rise due to vertical land motion Ohenhen, Leonard O., Shirzaei, Manoochehr, Ojha, Chandrakanta, Kirwan, Matthew L. Intertidal Zone, Wetlands, Sea Level Rise, Tidal Height, Coastal Elevation
Mapping methane reduction potential of tidal wetland restoration in the United States Holmquist, James R., Eagle, Meagan, Molinari, Rebecca Lee, Nick, Sydney K., Stachowicz, Liana C., Kroeger, Kevin D. Intertidal Zone, Wetlands, Sea Level Rise, Tidal Height, Coastal Elevation, Carbon Sequestration, Wetlands
A Conterminous USA-Scale Map of Relative Tidal Marsh Elevation Holmquist, James R., Windham-Myers, Lisamarie Intertidal Zone, Wetlands, Sea Level Rise, Tidal Height, Coastal Elevation
Greenhouse gas balances in coastal ecosystems: Current challenges in blue carbon estimation and significance to national greenhouse gas inventories Windham-Myers, Lisamarie, Holmquist, James R., Kroeger, Kevin D., Troxler, Tiffany G. Intertidal Zone, Wetlands, Sea Level Rise, Tidal Height, Coastal Elevation, Carbon Flux, Carbon, Carbon, Coastal Processes, Wetlands
Improved wetland soil organic carbon stocks of the conterminous US through data harmonization Uhran, Bergit, Windham-Myers, Lisamarie, Bliss, Norman, Nahlik, Amanda M., Sundquist, Eric T., Stagg, Camille L. Intertidal Zone, Wetlands, Sea Level Rise, Tidal Height, Coastal Elevation
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