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News1830-01-2026, 06:30

NISAR Mission Maps Mississippi Delta with Cloud-Piercing Radar Precision

  • The NASA-ISRO Synthetic Aperture Radar (NISAR) mission has released a new image of the Mississippi River Delta, showcasing its ability to penetrate clouds and reveal detailed Earth features.
  • The image, captured in late autumn, highlights major landmarks like New Orleans, Baton Rouge, the Mississippi River, and Lake Pontchartrain, along with diverse wetlands, farmlands, and forests.
  • NISAR's L-band radar uses microwaves to pass through clouds, distinguishing between vegetation, trees, and built environments, crucial for tracking ecosystems and monitoring crops.
  • The resolution is sharp enough to reveal the Lake Pontchartrain Causeway, the world's longest continuous bridge over water, and differentiate land cover types through varying colors.
  • Data products from NISAR's L-band measurements will be available through the Alaska Satellite Facility, with insights expected to aid disaster response, infrastructure monitoring, and agricultural management.

Why It Matters: NISAR's cloud-piercing radar provides unprecedented detail of Earth's surface, aiding critical environmental and disaster management.

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