Topics
New Arrival
- Oct. 15, 2025
- PALSAR-3 Standard Product Information (Ver Oct. 2025) was uploaded.
- Sep. 19, 2025
- "High-Resolution Land Use and Land Cover Map（Southeast Asia）Version 25.09" was released.
- Aug. 22, 2025
- "ALOS-2 Typhoon/Hurricane Sea Surface Wind Product" were updated.
- Jul. 23, 2025
- Initial Calibration/Validation Results and Calibration status of each observation mode/beam were uploaded.
- Jun. 2, 2025
- ALOS-4/PALSAR-3 Sample products were updated (Kyusyu region).
- May 30, 2025
- "ALOS-2 Typhoon/Hurricane Sea Surface Wind Product" test release started.
- May 27, 2025
- ALOS-4/PALSAR-3 Sample products were uploaded.
What's NEW!
- Dec. 12, 2025
- Regarding the "PALSAR-3 PRF Fixed Observation Mode Blind Map", it has been published on the "Observation Plan" and "Calibration and Verification" sites.
- Dec. 1, 2025
- ALOS workshop program and presentation materials of "the Joint PI Meeting of JAXA Earth Observation Missions FY2025" were uploaded.
- Oct. 30, 2025
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Calibration results of ALOS-2/PALSAR-2 standard products were updated.
[New report of Evaluation Results was added] - Oct. 3, 2025
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• ALOS-2 / "PALSAR-2 Basic Observation Scenario Map/User Guideline" was updated.(CYCLE294 ~ CYCLE306)
• PALSAR-2 Basic Observation Mode per cycle (World/Japan) was updated.
• ALOS-2 Basic Observation Scenario (4th Edition) was uploaded. - Sep. 25, 2025
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Python sample code to convert PALSAR-3 L1.1 CEOS format to PALSAR-2 CEOS format (high-resolution mode only) was updated. (Could read data with SNAP)
Project
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An L-band SAR mission achieving wide swath observation with high resolution, as successor of "DAICHI-2" (ALOS-2). In operation since 2024.
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An optical mission achieving high resolution observation with wide swath, as successor of optical mission of "DAICHI" (ALOS). The launch failed on Mar. 7, 2023.
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Follow-on mission of L-band SAR from "DAICHI" (ALOS), which contributes for a variety of purposes, including disaster monitoring, forest distribution, and analysis of crustal movement. In operation since 2014.
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This project aimed to contribute various earth observation field as mapping, disaster monitoring, and resource surveying in global.
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The first satellite in Japan equipped with L-band synthetic aperture radar (SAR) and stereoscopic optical instrument and observed global land area for various purposes.
Dataset
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Global 25m-resolution mosaics using ALOS-2 PALSAR-2, ALOS PALSAR, and JERS-1 SAR images and global forest/non-forest maps.
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The reference dataset for the "ALOS Kyoto and Carbon Initiative Project".
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The precise global digital 3D map using ALOS PRISM. Version 3.2 of the global 30m-mesh digital surface model (DSM) is freely available.
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High-resolution land cover classification map dataset for Japan and Vietnam. Three temporal datasets are available for the Japan region.
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The Global Mangrove Watch (GMW) was established in 2011 under JAXA's Kyoto & Carbon Initiative.
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JJ-FAST is a web-based system using JAXA’s ALOS-2 to monitor tropical forests every 1.5 months and release deforestation data, even in the rainy season.
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Ortho-rectified image products of ALOS/AVNIR-2 for the Japan region.
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Monitoring the north and south polar regions using PALSAR for contributing "International Polar Year".
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Glacial lake inventory dataset of Bhutan using AVNIR-2 and PRISM.
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ALOS-2/PALSAR-2 scene-by-scene product with ortho-rectification and radiometric terrain correction.
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High-resolution biomass map was generated by constructing a model using machine learning based on satellite data from ALOS-2 , the European Space Agency's Sentinel-2 optical satellite, and other data
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The experimental products of wind speed of past typhoons/hurricanes derived from ALOS-2 data