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September 2025 EARTHDATA DISCOVERY Open Access for Open Science

Airborne Data Applications for Invasive Species Mapping           In this training offered by NASA’s Applied Remote Sensing Training Program (ARSET), scientists will discuss the applications of airborne and in situ field data for mapping and monitoring terrestrial invasive species using datasets acquired during the BioSCape campaign in South Africa. The training will take place on Sept. 30, 2025.                   Learn more about the BioSCape project, an international collaboration between South Africa and the United States to study biodiversity in South Africa's Greater Cape Floristic Region. ➞                       Articles

New Metadata Pipelines Improve Access to NASA Data NASA has created metadata pipelines for agency datasets included in the Data.nasa.gov, Data.gov, and Geoplatform.gov open science data portals as well as the National Geospatial Data Assets list, making data easier to find and access.           NASA’s OPERA Project Releases Troposphere Zenith Radar Delays Dataset This mission-agnostic dataset allows scientists to enhance airborne and spaceborne radar measurements by reducing the atmospheric noise that can obscure ground motion signals.           First PREFIRE Datasets Released New Level 1, 2, and 3 datasets from the Polar Radiant Energy in the Far InfraRed Experiment (PREFIRE) mission will allow researchers to study polar processes and variations with greater precision.                   Webinars & Events

NASA CSDA Vendor Focus: PlanetiQ September 30, 2025           Learn how to discover, access, and work with GNSS Radio Occultation (GNSS-RO) data provided by PlanetiQ.                     2025 NASA Space Apps Challenge October 4-5, 2025 Join a global community of innovators as part of NASA's data-driven hackathon, which takes place all across the planet through local collaborative events.               Remote Sensing for Climate-Sensitive Infectious Diseases October 7 and 9, 2025 Learn the basic principles of how satellite remote sensing data can be applied to track climate-sensitive vectorborne disease outbreaks and provide early warnings for potential outbreaks. Through a case study example in the forecasting of malaria, participants will learn how to use satellite remote sensing data when studying or forecasting climate sensitive infectious diseases.               Solar Induced Fluorescence (SIF) Observations for Assessing Vegetation Changes Related to Floods, Drought, and Fire Impacts October 15, 22, and 29, 2025 This training describes Solar Induced Fluorescence (SIF) measurement basics, focusing on the use of SIF data to assess vegetation changes during drought, land change, and pre-fire conditions.               Discover and Access NASA’s Near Real-Time Global Flood Products Recorded on September 17, 2025 NASA’s global flood product delivers near real-time flood monitoring capabilities to disaster response teams, academic researchers, and industry for flood risk assessment. In this webinar, learn about the methodology used to create the product, data discovery and access, use cases, plans for future developments, and the Flood Location Observation and Overview Dashboard (FLOOD) web portal.               Accelerating Science Using Virtualized Data at PO.DAAC Recorded on August 21, 2025 This webinar teaches users how to use Python and Xarray to access virtualized, exploration- and analysis-ready physical oceanography datasets from NASA's Physical Oceanography Distributed Active Archive Center (PO.DAAC).               NASA CSDA Program Vendor Focus—Umbra Recorded on August 20, 2025 Learn more about the NASA Commercial Satellite Data Acquisition (CSDA) program vendor Umbra and how to discover, access, and work with their high-resolution commercial synthetic aperture radar (SAR) data products.               ESIP Summer Meeting Recorded on July 22-25, 2025 The Earth Science Information Partners (ESIP) summer meeting was held in Seattle, WA, with four days of sessions that explored current trends, problems, and emerging issues in Earth science data and information. Recordings of the plenaries and sessions are available for viewing.                         Learning Resources           Get Started with OPeNDAP to Subset and Download NASA Earth Data Learn how to leverage OPeNDAP to subset and download a data file/granule using Earthdata Search.           OPERA DISP-S1 Products and Resources Resources for exploring and working with OPERA Surface Displacement from Sentinel-1 (DISP-S1) products help users understand what these products are; how to find, access, and use archived DISP-S1 products; and how to recognize some of their limitations.           Earthdata Cloud Cookbook Access a collection of tutorials that support migration to the cloud.           NASA Open Science 101 NASA’s Open Science 101 is a self-paced online curriculum designed to equip learners with the foundational knowledge and practical skills needed to engage in collaborative and transparent research. Key skills taught in this course include data management, open publishing, and research workflow optimization. Complete all five modules and earn a NASA Open Science digital badge that can be shared on social media.                     Data Alerts and Outages           New NASA Earth Science Data Read summaries of the latest data products, services, and tools released during the past month in NASA’s ever-expanding open-access data archive.           Near Real-Time L3 Multi Product Blended Aerosol Data The blended L3 aerosol product is available through NASA's Land, Atmosphere Near real-time Capability for Earth observation (LANCE).           PACE HARP2, SPEXone, and OCI Products Released NASA's Ocean Biology Distributed Active Archive Center (OB.DAAC) released new data products from the Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) mission.           VIIRS Version 2 Downward Shortwave and Photosynthetically Active Radiation Data Products Released NASA's Land Processes Distributed Active Archive Center (LP DAAC) has released the Visible Infrared Imaging Radiometer Suite (VIIRS) Version 2 Downward Shortwave Radiation (DSR) and Photosynthetically Active Radiation (PAR) Data Products.           ICESat-2 Data Now in Cloud-Optimized HDF5 NASA's National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) has released ATL03 global geolocated photon data in cloud-optimized HDF5, making the Ice, Cloud, and land Elevation Satellite-2 (ICESat-2) mission one of NASA’s first to publish data in this format.           MODIS Version 6.1 OPeNDAP Access at LP DAAC Was Retired Access to Moderate Resolution Imaging Spectroradiometer (MODIS) Collection 6.1 datasets via legacy, on-premises Open-source Project for a Network Data Access Protocol (OPeNDAP) at NASA's LP DAAC was retired effective September 19, 2025.           DSCOVR EPIC L3 Dataset Released NASA's Atmospheric Science Data Center (ASDC) announced the release of Version 02 of the DSCOVR EPIC Level 3 Photosynthetically Available Radiation (PAR) for ocean surface product (DSCOVR_EPIC_L3_PAR_02).           Decommissioning of ECOSTRESS Version 1 Data Products Select ECOsystem Spaceborne Thermal Radiometer Experiment on Space Station (ECOSTRESS) Version 1 data products are scheduled to be decommissioned on September 30, 2025.           EMIT L3 Aggregated Mineral Spectral Abundance Version 2 Data Product Released NASA’s Earth Surface Mineral Dust Source Investigation (EMIT) mission has released Level 3 Aggregated Mineral Spectral Abundance and Uncertainty (EMITL3ASA) Version 2 data product at a 0.5 degree spatial resolution.           ARCSIX Data Products Released New data is available from the Arctic Radiation-Cloud-Aerosol-Surface Interaction eXperiment (ARCSIX) field campaign, which aims to quantify the contributions of surface properties, clouds, aerosol particles, and precipitation to the Arctic summer surface radiation budget and sea ice melt during the early melt season.           TEMPO Version 04 Provisional Level 1, 2, and 3 Data Released NASA's Tropospheric Emissions: Monitoring of Pollution (TEMPO) Version 04 Level 1, 2, and 3 data are now available from the Atmospheric Science Data Center (ASDC). This data release includes new L2 and L3 ozone profile beta products.           TEMPO NRT Version 02 Level 1, 2, and 3 Data Released TEMPO near real-time (NRT) Version 02 Level 1, 2, and 3 data are now available from ASDC. The NRT data are available on a 14-day rolling window.           PACE-PAX Data Released The Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) Postlaunch Airborne eXperiment (PACE-PAX) mission, which obtained measurements over central and southern California and nearby coastal regions for the validation and refinement of products generated by the PACE satellite mission, has released new data.           ASTER On-Demand Processing To End 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 3 products with custom ancillary input options will be decommissioned.                   Worldview Images of the Week           Flooding in Pakistan Heavy monsoon rains that began in late June have caused flooding in Pakistan. See what this flooding looks like from space in images from the Visible Infrared Imaging Radiometer Suite (VIIRS) aboard the joint NASA/NOAA NOAA-20 and NOAA-21 platforms.           Dam Removal on the Klamath River, USA Harmonized Landsat and Sentinel-2 (HLS) true-color corrected reflectance images provide a striking visualization of the landscape changes caused by the removal of four dams along the Klamath River in Northern California and Southern Oregon—a river that had been dammed for more than 100 years.           Vegetation Disturbance from the Gifford Fire Confirmed vegetation disturbance caused by the Gifford Fire in Central California can be seen in a comparison using imagery derived from OPERA's Harmonized Landsat Sentinel-2 Land Surface Disturbance data.           Antarctic Iceberg A23A Continues to Crumble NASA’s MODIS instrument aboard the Aqua satellite imaged iceberg A23A — once the world’s largest iceberg — as it continues to break apart off the coast of South Georgia Island.                 NASA's Earth Science Data Systems (ESDS) Program oversees the life cycle of NASA’s Earth science data and seeks to maximize the scientific return from missions and experiments.

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