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AVIRIS-NG L3 Derived Aboveground Biomass, LA, USA, 2021, V2

Submitted by ORNL DAAC Staff on 2023-06-30
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Herbaceous aboveground biomass (megagrams/hectare) product for the Atchafalaya and Terrebonne Basins, coastal Louisiana, derived from AVIRIS-NG data collected during the April and August 2021.

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High-resolution gridded estimates of herbaceous aboveground biomass (AGB) for the Atchafalaya and Terrebonne basins of the Mississippi River Delta.

Delta-X: Bed and Suspended Sediment Grain Size, MRD, LA, USA, 2021, Version 2

Submitted by ORNL DAAC Staff on 2023-06-14
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Suspended and bed sediment sampling locations in the Wax Lake Delta, Louisiana. Clusters of measurements are grouped together into single points on this map. Map excludes measurements made far upstream of the Wax Lake Delta or in the Terrebonne River Basin.

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Sediment concentration and grain size distribution measurements from suspended and bed sediment samples collected as part of the Delta-X Spring and Fall 2021 campaigns.

Water Surface Elevations, MRD, Louisiana, 2021

Submitted by ORNL DAAC Staff on 2023-06-14
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 AirSWOT L3 water surface elevations collected on April 1, 2021 over the Atchafalaya Basin. Each point is colored based on its elevation with respect to the NAVD88 vertical datum (GEOID12B), as shown in the colorbar.

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Water surface elevations at selected point locations generated from the AirSWOT data collected during the Spring and Fall 2021 Delta-X deployments over the Atchafalaya and Terrebonne basins in LA, USA.

AVIRIS-NG L3-Derived Aboveground Biomass, MRD, Louisiana, USA, 2021, V2

Submitted by ORNL DAAC Staff on 2023-03-24
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Herbaceous aboveground biomass (megagrams/hectare) product for the Atchafalaya and Terrebonne Basins derived from AVIRIS-NG data collected during the April and August 2021 campaigns.

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Estimates of herbaceous AGB for the Atchafalaya & Terrebonne basins of the Mississippi River Delta in LA, USA, for the fall & spring seasons of 2021.

Ecogeomorphic Cell Products across the MRD, LA, USA, 2021

Submitted by ORNL DAAC Staff on 2023-02-06
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RGB composite image of the Atchafalaya and Terrebonne basins (R=Bathymetry, G=NIR of 1st quarter, B=NIR of 3rd quarter) highlighting the various ecological and geomorphological features of the landscape.

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This product delineates the Mississippi River Delta (MRD) landscape into distinct small contiguous areas of land with similar ecological and geomorphological characteristics.

Aboveground Vegetation Structure for Herbaceous Wetlands across MRD

Submitted by ORNL DAAC Staff on 2022-09-29
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Aboveground vegetation sorted by species into biomass and necromass components.

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Mean stem diameter, mean height, dominant species, hydrogeomorphic zone, and stem density for vegetation in herbaceous wetlands collected in southeastern coastal Louisiana.

Delta-X: ADCP Channel Surveys, Coastal Louisiana, 2021

Submitted by ORNL DAAC Staff on 2021-12-28
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Locations of river discharge measurements (black triangles) in the Atchafalaya and Terrebonne Basins within the Mississippi River Delta (MRD) floodplain in coastal Louisiana, U.S. Measurements were taken by Delta-X project in March and April 2021.

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River discharge measurements collected at selected locations within the Mississippi River Delta floodplain.