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Delta-X

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.

Delta-X Open Data Workshop

Submitted by ORNL DAAC Staff on 2021-11-14
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Delta-X is a 5-year NASA EVS-3 mission to study the Mississippi River Delta in the United States, which is growing and sinking in different areas.

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The Delta-X team has completed their Spring and Fall 2021 airborne and field campaigns. Learn about the data and how to access it November 17th.

NASA Earthdata Article Highlights Delta-X Airborne Mission

Submitted by ORNL DAAC Staff on 2021-04-14
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Delta-X is a 5-year NASA Earth Venture Suborbital-3 mission to study the subsidence and growth of the Mississippi River Delta in the United States. 

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NASA researchers are using high resolution airborne data to determine vulnerability and resilience of the Mississippi River Delta.

Sea Water Elevation Profile and Change from Pre-Delta-X Campaign Datasets

Submitted by ORNL DAAC Staff on 2021-04-05
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Collage of dataset airborne imagery from AirSWOT, UAVSAR and the ASO lidar instrument provide examination of water level elevation estimates and changes.

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Five Pre-Delta-X Airborne datasets recently published provide sea water level profile and change derived from UAVSAR, AirSWOT, and lidar.

Pre-Delta-X: AVIRIS-NG/UAVSAR AGB, AVIRIS-NG TSS and Surface Reflectance

Submitted by ORNL DAAC Staff on 2021-04-05
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Pre-DeltaX image highlights: AVIRIS-NG/UAVSAR Biomass (upper left), AVIRIS-NG Total Suspended Solids (lower left), and AVIRIS-NG Surface Reflectance (right).

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Pre-Delta-X Campaign datasets now available: AGB from AVIRIS-NG/UAVSAR, surface reflectance and total suspended solids from AVIRIS-NG.

The First Campaign of NASA's Delta-X Mission is Now in Progress

Submitted by ORNL DAAC Staff on 2021-04-05
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The Channel Team's water filtering lab inside a local cabin. The team will process 800 liters of water to extract as little as ~100mg of material found in a liter of Mississippi water.

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NASA's Delta-X Mission combines airborne remote sensing and field measurements to analyze water levels, vegetation, and sediment to understand how and where the Mississippi River Delta is changing.