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Full catalog/marsh-ida
marsh-ida·dataset

Southern Louisiana Salt Marshes Before Hurricane Ida

Salt Marsh Classification Pre-Ida (Southern Louisiana)
land NASA VEDA COG
In plain English

What it measures. Maps where salt marshes were located across southern Louisiana before Hurricane Ida, as a baseline.

How it's made. Built from satellite imagery classified to identify salt-marsh areas.

How & where you'd use it. Provides the before picture needed to measure marsh loss caused by the hurricane.

What's measured

marshida

Coverage & cadence

  • Time span2021-08-23 → 2021-09-09
  • Spatial extent-90.85, 29.03, -90.06, 29.65
  • FormatsCOG

What you can do with it

  • Track deforestation, fire scars and land-cover change
  • Monitor crop and vegetation health (NDVI/EVI)
  • Map how built-up vs. green an area is over time
Official description

Salt Marsh Classification Pre-Ida (Southern Louisiana)

Get the data

veda_access.py
# NASA VEDA — open STAC API, anonymous (cloud-optimized GeoTIFFs)
from pystac_client import Client

cat = Client.open("https://openveda.cloud/api/stac")
col = cat.get_collection("marsh-ida")
items = list(col.get_items())          # browse the analysis-ready COGs
# open an asset with rioxarray:
# import rioxarray; da = rioxarray.open_rasterio(items[0].assets["cog_default"].href)
NASA VEDA is an open STAC catalog — browse and stream the cloud-optimized GeoTIFFs anonymously (no login).