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Delta-X: Digital Elevation Model, MRD, LA, USA, 2021

Creator: ORNL_CLOUD
Keywords: Deltas,Digital Elevation/Terrain Model (DEM),Coastal Elevation

DeltaX_DEM_MRD_LA_2181

Version

DOI

https://doi.org/10.3334/ORNLDAAC/2181

Citation

Center/Project

Oak Ridge National Laboratory DAAC (ORNL DAAC)

Data at a Glance

Data Format

COG

Dataset Size

1.463 GB

Spatial Extent

N: 29.9581 S: 28.968 E: -90.149 W: -91.908

Location

LOUISIANA

Temporal Extent

2012-01-01 to 2021-12-31

Coordinate System

CARTESIAN

Granule Spatial Representation

CARTESIAN

Description

This dataset provides an updated digital elevation model (DEM) for the Atchafalaya and Terrebonne basins in coastal Louisiana, USA. The DEM is updated from the Pre-Delta-X DEM and extended to the full Delta-X study area. This DEM was developed from multiple data sources, including sonar data collected during Pre-Delta-X and Delta-X campaigns, bathymetric data from the Coastal Protection and Restoration Authority System-Wide Assessment and Monitoring System (CPRA SWAMP), and NOAA, and topography from the National Elevation Dataset and LiDAR from US Geological Survey (USGS). The provided data layers include the DEM, a binary water/land mask, data source flags, and eight layers with analysis weighting factors for each pixel. Elevation values are provided in meters with respect to the North American Vertical Datum of 1988 (NAVD88). The weighting factors indicate how each data source contributed to this multisource DEM. The data are provided in cloud-optimized GeoTIFF (CoG) format.

Product Summary

Platforms

FIELD SURVEYS

Instruments

SONAR ,

SOUNDERS

Spatial Extent

N: 29.9581 S: 28.968 E: -90.149 W: -91.908

Location

LOUISIANA

Coordinate System

CARTESIAN

Granule Spatial Representation

CARTESIAN

Temporal Extent

2012-01-01 to 2021-12-31

Data Partner

THE OAK RIDGE NATIONAL LABORATORY (ORNL) DISTRIBUTED ACTIVE ARCHIVE CENTER (DAAC) (ORNL_DAAC)

Concept ID

C2776378726-ORNL_CLOUD

Data State

COMPLETE

Number of Files/Granules

Processing Level

Published

2023-09-29

Updated

2023-09-29

Science Keywords

Deltas ,

Digital Elevation/Terrain Model (DEM) ,

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

Select a Citation Style:

Christensen, A. L., Denbina, M. W., & Simard, M. (2023). Delta-X: Digital Elevation Model, MRD, LA, USA, 2021 (Version 1). ORNL Distributed Active Archive Center. https://doi.org/10.3334/ORNLDAAC/2181 Date Accessed: 2026-05-01

Documents

USER'S GUIDE

ORNL DAAC Data Set Documentation

GENERAL DOCUMENTATION

Delta-X: Digital Elevation Model, MRD, LA, USA, 2021: DeltaX_DEM_MRD_LA.pdf

Publications Citing This Dataset

Title	Year Sort ascending	Author	Topic
Delta-X: An airborne remote sensing framework to calibrate hydrodynamic	2026	Simard, Marc, Jones, Cathleen E., Twilley, Robert R., Castaneda-Moya, Edward, Fagherazzi, Sergio, Fichot, Cedric G., Lamb, Michael P., Passalacqua, Paola, Pavelsky, Tamlin M., Thompson, David R., Belhadj-aissa, Saoussen, Biswas, Pradipta, Christensen, Alexandra, Cortese, Luca, Denbina, Michael, Donatelli, Carmine, Flores, Sarah, Fontenot, Andy, Harringmeyer, Joshua P., Jensen, Daniel, Mallard, John, Nghiem, Justin, Oliver-Cabrera, Talib, Payandeh, Ali Reza, Rovai, Andre S., Solohin, Elena, Soloy, Antoine, Varugu, Bhuvan, Wang, Dongchen, Wright, Kyle, Zhang, Xiaohe, Zheng, Yang	Hydroperiod, Inundation, Water Channels, Surface Water Processes/Measurements, Estuary, Water Depth, Coastal Bathymetry, Rivers/Stream, Wetlands, Deltas, Digital Elevation/Terrain Model (DEM), Coastal Elevation, Wetlands, Stage Height, Salt Marsh, Coastal, Biomass, Wetlands, Forests, Suspended Solids, Terrain Elevation, Primary Production, Vegetation Species, Plant Characteristics, Sedimentation, Accretion, Isotopic Age, Soil Horizons/Profile, Infrared Radiance, Sedimentation, Sediments, VIEWING GEOMETRY, Vegetation Cover, Geolocation, Visible Radiance, Sediment Transport, Sediment Transport, Attenuation/Transmission, Vegetation Fraction, Sea Level Changes, REFLECTED INFRARED, VISIBLE IMAGERY, Reflectance, Isotopes, Nutrients, Nutrient Cycling, Isotope Ratios, Sediment Transport, Sediment Transport, Nitrogen, Organic Matter, Soil Bulk Density, Carbon, Potassium, Nitrogen, Dominant Species, Discharge/Flow, Soil Rooting Depth, Salinity, Sediment Composition, Organic Matter, Solids, Surface Water Chemistry, Soil Organic Carbon (SOC), Sedimentation, Water Depth, Water Characteristics, Turbidity, Water Temperature, Chlorophyll Concentrations, Sedimentation
A hyperspectral view of the nearshore Mississippi River Delta: Characterizing suspended particles in coastal wetlands using imaging spectroscopy	2024	Harringmeyer, Joshua P., Ghosh, Nilotpal, Weiser, Matthew W., Thompson, David R., Simard, Marc, Lohrenz, Steven E., Fichot, Cedric G.	Surface Water Processes/Measurements, Suspended Solids, Attenuation/Transmission, Deltas, Digital Elevation/Terrain Model (DEM), Coastal Elevation, Water Characteristics, Turbidity, Water Temperature, Estuary, Chlorophyll Concentrations, Organic Matter, Solids, Surface Water Chemistry
Spatial variability in salt marsh drainage controlled by small scale topography	2023	Donatelli, Carmine, Passalacqua, Paola, Jensen, Daniel, OliverCabrera, Talib, Jones, Cathleen E., Fagherazzi, Sergio	Deltas, Digital Elevation/Terrain Model (DEM), Coastal Elevation, Wetlands, Stage Height, Inundation, Rivers/Stream, Estuary, Salt Marsh, Coastal, Deltas, Suspended Solids