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On December 15, 2025, the on-demand product generation system—the Simple Scalable Script-based Science Processor for Missions, or S4PM—that allows users to submit requests to process Advanced Spaceborne Thermal Emission and Reflection Radiometer ( ASTER ) L1A Version 3 scenes into Level 2 and Level ...

As part of a larger effort to migrate data and services hosted on-premises at NASA's Land Processes Distributed Active Archive Center ( LP DAAC ), access to all Making Earth System Data Records for Use in Research Environments ( MEaSUREs ), ASTER Global Digital Elevation Model ( GDEM ) and Community...

robdrake Thank you for your question. ASTER Version 4 products are made available by the LP DAAC through the NASA Earthdata Search user interface and programmatically via NASA’s Common Metadata Repository (CMR). The LP DAAC will no longer provide on-demand products, and users will be directed to ac...

vcottineau_earthdata There was an issue with the Earthdata search and the issues you were experiencing this morning have been resolved. I just tried an ASTER GDEM search and download was successful. We offer several different DEM datasets. All of which can be downloaded from Earthdata Search or App...

@vcottineau_earthdata Hello, we are looking into your question and will report back when we have an answer.
Thanks,
LP DAAC

On Dec. 3, 2025, access to NASA's Making Earth System Data Records for Use in Research Environments ( MEaSUREs ) Geostationary Earth Orbit Land Surface Temperature Hourly North and South America 4 km ( GEOLST4KHR ) version 2 data will be disabled in the Application for Extracting and Exploring Analy...

gaosen The pdf is too large to attach. See section 4.4 comments on how the MSI (Sentinel-2) and OLI (Landsat) relative spectral response functions compare and the discusses how that relates to HLS. Below are the section 4.4 comments: HLS V2.0. 4.4.Bandpass adjustment The spectrally corresponding OL...

alzj The SRTM and ASTER products share the same horizontal datum of WGS84 and vertical datum of EGM96. For additional documentation, please visit: https://www.earthdata.nasa.gov/data/catalog/lpcloud-astgtm-003#documents-and-resources https://www.earthdata.nasa.gov/data/catalog/lpcloud-srtmgl1-003#d...

NASA's Land Processes Distributed Active Archive Center ( LP DAAC ) announced the availability of the ECOsystem Spaceborne Thermal Radiometer Experiment on Space Station ( ECOSTRESS ) Version 2 Tiled and Gridded Evapotranspiration and Evaporative Stress Index Atmosphere-Land Exchange Inverse model (...

On Sept. 30, 2025, access to NASA Digital Elevation Model (NASADEM), NASA Shuttle Radar Topography Mission ( SRTM ), the Terra Advanced Spaceborne Thermal Emission and Reflection Radiometer ( ASTER ) Global Digital Elevation Model (GDEM), and the Terra ASTER Global Water Bodies Database (ASTWBD) dat...