Search found 391 matches
- Fri Jan 09, 2026 12:43 pm America/New_York
- Forum: Home
- Question: EMIT L2A Masks Version 2 Data Product Released
- Replies: 0
EMIT L2A Masks Version 2 Data Product Released
The Land Processes Distributed Active Archive Center ( LP DAAC ) released NASA’s Earth Surface Mineral Dust Source Investigation ( EMIT ) Level 2A Masks Version 2 data product. The Version 2 Masks data product provides a series of masks to help identify clear and reliable observations of Earth’s sur...
- Wed Jan 07, 2026 6:39 pm America/New_York
- Forum: Home
- Question: Metadata in ASTER v004 (TIR + VNIR/SWIR) granules
- Replies: 7
Re: Metadata in ASTER v004 (TIR + VNIR/SWIR) granules
alberto_silva_2024 Please find the ASTER scientist further guidance to your questions. Thank you for providing the granule ID. To further address your questions: The ASTER 05 Emissivity Product is distributed as an unscaled uint16 product. To calculate the emissivity per pixel (range 0–1), you need...
- Tue Jan 06, 2026 3:59 pm America/New_York
- Forum: Home
- Question: Metadata in ASTER v004 (TIR + VNIR/SWIR) granules
- Replies: 7
Re: Metadata in ASTER v004 (TIR + VNIR/SWIR) granules
@alberto_silva_2024 To better assist you can you provide the granule ID.
- Mon Jan 05, 2026 4:09 pm America/New_York
- Forum: Home
- Question: Metadata in ASTER v004 (TIR + VNIR/SWIR) granules
- Replies: 7
Re: Metadata in ASTER v004 (TIR + VNIR/SWIR) granules
@alberto_silva_2024 We have forwarded your questions to the science team to provide some additional assistance with your inquiry. I will follow up with you once I hear back from the science team.
Thank you for your patience.
Janice
Thank you for your patience.
Janice
- Fri Jan 02, 2026 2:39 pm America/New_York
- Forum: Home
- Question: Metadata in ASTER v004 (TIR + VNIR/SWIR) granules
- Replies: 7
Re: Metadata in ASTER v004 (TIR + VNIR/SWIR) granules
@alberto_silva_2024 Please find the guidance our scientists provided.
Level-2 products are already in physical units. All you need to do is take the pixel value and multiply it by the scale factor to get the physical measurement.
Let me know if this helps.
LP DAAC User Services
Level-2 products are already in physical units. All you need to do is take the pixel value and multiply it by the scale factor to get the physical measurement.
Let me know if this helps.
LP DAAC User Services
- Fri Jan 02, 2026 1:18 pm America/New_York
- Forum: Home
- Question: Metadata in ASTER v004 (TIR + VNIR/SWIR) granules
- Replies: 7
Re: Metadata in ASTER v004 (TIR + VNIR/SWIR) granules
alberto_silva_2024 Thank you for your question. ASTER Version 3 data were decommissioned on Dec 15, 2025, and they are no longer available. ASTER V004 which is archived in CMR does not provide it as a separate file. So rather than being processed on demand the data will be archived in the cloud. AS...
- Wed Dec 31, 2025 2:59 pm America/New_York
- Forum: Home
- Question: VIIRS Evapotranspiration Products Available In AppEEARS
- Replies: 0
VIIRS Evapotranspiration Products Available In AppEEARS
Version 3.104 of the Application for Extracting and Exploring Analysis Ready Samples ( AppEEARS ) has been released. This release adds the Visible Infrared Imaging Radiometer Suite ( VIIRS ) Actual and Potential Evapotranspiration (ET) Version 2 data products from the Suomi National Polar-orbiting ...
- Wed Dec 31, 2025 2:44 pm America/New_York
- Forum: Home
- Question: ASTER Version 4 Historical Processing Completed
- Replies: 0
ASTER Version 4 Historical Processing Completed
NASA’s Land Processes Distributed Active Archive Center ( LP DAAC ) has completed processing the historical archive of the Advanced Spaceborne Thermal Emission and Reflection Radiometer ( ASTER ) data into Version 4 products. All 4.7+ million ASTER observations from 2000 to 2025 are now available fo...
- Tue Dec 30, 2025 10:42 am America/New_York
- Forum: Home
- Question: ASTER Version 3 and 3.1 Data Products Decommissioned
- Replies: 2
Re: ASTER Version 3 and 3.1 Data Products Decommissioned
nufaisa Unfortunately, ASTER Version 3 and 3.1 are no longer available. ASTER V004 which is archived in CMR does not provide it as a separate file. So rather than being processed on demand the data will be archived in the cloud. ASTER V4 Product User Guide: https://lpdaac.usgs.gov/documents/2265/AS...
- Tue Dec 30, 2025 10:01 am America/New_York
- Forum: Home
- Question: ASTER STEREOPAIRS
- Replies: 1
Re: ASTER STEREOPAIRS
nufaisa Thank you for your question. The ASTER L1 V003 data is no longer available as of December 15, 2025. Our science support suggests that using a free tool such as the GDAL to convert to a single GeoTiff file may assist you with HDF to GeoTiff. How to use gdal to convert HDF multi-band file to ...