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Full catalog/ida-ndvi-difference
ida-ndvi-difference·dataset

Hurricane Ida Vegetation-Loss Map, Louisiana

NDVI Difference for Pre and Post-Hurricane Ida from PlanetScope
biosphere NASA VEDA COG
In plain English

What it measures. A before-and-after comparison of plant greenness across southern Louisiana, revealing vegetation damaged or lost to Hurricane Ida.

How it's made. Made from PlanetScope commercial satellite imagery, comparing a vegetation greenness index before and after the storm.

How & where you'd use it. Helps responders pinpoint where the storm hit crops, forests, and natural areas hardest.

What's measured

idandvidifference

Coverage & cadence

  • Time span2021-08-23 → 2021-09-09
  • Spatial extent-90.864, 29.016, -90.045, 29.663
  • FormatsCOG

What you can do with it

  • Map vegetation, forests and biomass
  • Monitor ecosystem productivity and carbon
  • Support habitat and biodiversity studies
Official description

Normalized Difference Vegetation Index Difference of before and after Hurricane Ida in 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("ida-ndvi-difference")
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).