Delivery of new Suomi NPP data ceases on Nov. 2, 2026. Users should transition to alternative products. Suomi NPP data announcement

Migration to Consolidated Ingest and Archive will interrupt data ingestion at PO.DAAC, ASF DAAC, and GES DISC on Oct. 28-30, 2026. Read more

L-SAR Resources

Earthdata resources for users working with the data provided by the L-band synthetic aperture radar (L-SAR) aboard the NASA/Indian Space Research Organization SAR (NISAR) platform include tutorials and other learning resources, news announcements such as instrument updates and data releases, user guides and related documents, and frequently asked questions.

L-SAR Learning Resources

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Identifying Disaster Extent and Risk Using NISAR Surface Displacement

This ARSET training focuses on the use of InSAR data from NISAR and surface displacement products from OPERA to monitor ground movements.

Training

Nov. 12-19, 2026

From Sea Surface to Sea Life: SWOT, PACE, and NISAR Watch Gulf Stream Frontal Eddies Together

NASA's new Earth-observing satellites map ocean physics and biology just hours apart, marking a leap forward in tracking fast-evolving, small-scale ocean phenomena from space.

Data in Action

Sept. 14, 2026

Monitoreo de Inundaciones con SAR para la Gestión de los Recursos Hídricos

Esta capacitación de ARSET demuestra el uso de datos de NISAR y productos de aguas superficiales de OPERA para detectar, mapear y monitorear aguas superficiales.

Training

Oct. 20-27, 2026

Monitoring Surface Water with SAR for Water Resource Management

This ARSET training demonstrates the use of NISAR SAR data and OPERA surface water products to detect, map, and monitor surface water.

Training

Oct. 20-27, 2026

Spatial Subsetting for NISAR Data

Methods for reducing the spatial extent of NISAR products using data from NASA's Alaska Satellite Facility Distributed Active Archive Center (ASF DAAC).

StoryMap

June 4, 2026

Harnessing NISAR: Next-Generation Radar Observations for Earth Applications

This ARSET training introduces users to the characteristics and data of the NISAR mission and demonstrates workflows for accessing, visualizing, and analyzing the data for a range of applications.

Training

July 2-16, 2026

Monitoring and Predicting Floods Using Earth Observations for Planning and Preparedness

This three-part ARSET training covers flood monitoring via remote sensing, NASA flood products, and GEOGLOWS streamflow predictions.

Training

June 18-25, 2026

Introducing NISAR: NASA’s Biggest Earth Observation Mission

Join us on Jan. 21, 2026, to explore how NISAR will revolutionize how we monitor Earth.

Webinar

Jan. 12, 2026

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L-SAR News

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1993 AIRSAR imagery of Bonanza Creek, Yukon Territory Canada.

Changes in Availability of Historical ASF Datasets

Starting October 1, 2026, some historical ASF SAR datasets will no longer be available through the regular ASF search and download tools.

News

Oct. 2, 2026

SAR land data image with globe pattern overlay

From ERS-1 to NISAR: 35 Years of SAR at ASF

August 2026 marks 35 years since the first downlink of synthetic aperture radar data to the Alaska SAR Facility. ASF has supported many missions and archived many Earth observations since then.

Blog

Aug. 17, 2026

This false-color composite derived from NISAR data highlights vegetated areas (green), unvegetated surfaces (red), and how rapidly the vegetated areas changed (blue) during the 2025-2026 growing season in an agricultural region of South Africa.

NISAR L-Band Data Released, Expanding Record of Surface Changes

Produced by NASA JPL for the NISAR mission, these data products give researchers a new way to observe changes across Earth’s surface.

News

July 21, 2026

This HLS color-infrared composite image —generated via the TiTiler-CMR API in the Worldview application — shows the area around Cambridge, Maryland.

Tailoring the View: TiTiler-CMR Customizes HLS Imagery in Worldview and FIRMS

The TiTiler-CMR service generates dynamic, on-demand map tile layers that can be incorporated into GIS software and visualization applications. Two NASA mapping applications – Worldview and FIRMS – have harnessed the versatility of this service.

Feature Article

April 29, 2026

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