Search found 198 matches

by LP DAAC - jwilson
Wed Jan 18, 2023 1:33 pm America/New_York
Forum: Questions/Comments
Question: NASADEM only 8781 meters for Mt. Everest?
Replies: 6

Re: NASADEM only 8781 meters for Mt. Everest?

lihaijun , - Likely/possible contributing factors to apparent discrepancy: o 30m pixel size with area-based sampling (Possibly Greatest Factor)  SRTM and ASTER are both use area-based sampling grids where the elevation value of each pixel is an average of elevations over the area within that pixel...
by LP DAAC - jwilson
Wed Jan 11, 2023 12:14 pm America/New_York
Forum: Questions/Comments
Question: Can't find selected_algorithm in L2A GEDI elevation and canopy height dataset
Replies: 3

Re: Can't find selected_algorithm in L2A GEDI elevation and canopy height dataset

@alvioli,
We apologize for the delayed response. I have forwarded your inquiry to our Subject Matter Expert and will be in contact with the data provider. Once we receive a response, we will let you know.
Kind regards,
LP DAAC User Services
by LP DAAC - jwilson
Wed Jan 11, 2023 12:02 pm America/New_York
Forum: Questions/Comments
Question: Unable to find SWIR bands along with ASTER Surface Reflectance VNIR and Crosstalk corrected SWIR data as well as in L1B
Replies: 2

Re: Unable to find SWIR bands along with ASTER Surface Reflectance VNIR and Crosstalk corrected SWIR data as well as in

anoop_vm , Users are advised that ASTER SWIR data acquired from April 2008 to the present exhibit anomalous saturation of values and anomalous striping. This effect is also present for some prior acquisition periods. Please refer to the ASTER SWIR User Advisory Document for more details: https://lp...
by LP DAAC - jwilson
Wed Jan 11, 2023 10:10 am America/New_York
Forum: Questions/Comments
Question: Rate limit specifications for LP DAAC
Replies: 2

Re: Rate limit specifications for LP DAAC

@akapadia ,
We have forwarded your inquiry to our Subject Matter Expert for further assistance.
LP DAAC User Services
by LP DAAC - jwilson
Wed Jan 11, 2023 9:26 am America/New_York
Forum: Questions/Comments
Question: VNP21A1D.001 data availability
Replies: 1

Re: VNP21A1D.001 data availability

Hi Joe,
Sorry for the delay, we are in contact with the data provider and as soon as we hear what is going on I will let you know.
Thanks,
Brett
by LP DAAC - jwilson
Fri Jan 06, 2023 4:49 pm America/New_York
Forum: Questions/Comments
Question: Release of AppEEARS Version 3.21
Replies: 0

Release of AppEEARS Version 3.21

Version 3.21 of the Application for Extracting and Exploring Analysis Ready Samples (AρρEEARS) has been released. This release includes two new features: Input feature preview: allows users to see the spatial details of point and area requests immediately after request submission. Layer Selector: al...
by LP DAAC - jwilson
Fri Jan 06, 2023 4:46 pm America/New_York
Forum: Questions/Comments
Question: LP DAAC Releases Airborne Hyperspectral Reflectance Indian Cave Data Product
Replies: 0

LP DAAC Releases Airborne Hyperspectral Reflectance Indian Cave Data Product

The LP DAAC is pleased to announce the availability of the Airborne Hyperspectral Reflectance Indian Cave Nebraska Multi-Day 1 m product. The data are available in an ENVI format (one .hdr and one .dat file per scene). This dataset provides hyperspectral reflectance data from the Indian Cave Forest ...
by LP DAAC - jwilson
Fri Jan 06, 2023 4:42 pm America/New_York
Forum: Questions/Comments
Question: Removal of Eight USGS Data Products from Earthdata Search on January 11, 2023
Replies: 0

Removal of Eight USGS Data Products from Earthdata Search on January 11, 2023

The following USGS datasets will no longer be accessible through NASA’s Earthdata Search as of January 11, 2023: Earth Observing-1 Advanced Land Imager (EO1_ALI) Earth Observing-1 Hyperion (EO1_Hyperion) Tri-Decadal Global Landsat Orthorectified TM Scene V1 (TM) Tri-Decadal Global Landsat Orthorecti...
by LP DAAC - jwilson
Fri Dec 23, 2022 8:21 am America/New_York
Forum: Questions/Comments
Question: Landsat Collection 1 Data Products will be Decommissioned on December 30, 2022
Replies: 0

Landsat Collection 1 Data Products will be Decommissioned on December 30, 2022

Distribution of all Landsat Collection 1 data and science products in the USGS archives will end on December 30, 2022. Users are encouraged to migrate their workflow to Landsat Collection 2 at their earliest convenience. Due to advancements in data processing and algorithm development, users are dis...
by LP DAAC - jwilson
Fri Dec 23, 2022 8:17 am America/New_York
Forum: Questions/Comments
Question: Terra ASTER Processing Remains on Hold for Data Acquired after October 23, 2022
Replies: 0

Terra ASTER Processing Remains on Hold for Data Acquired after October 23, 2022

Terra ASTER data production remains on hold following the Terra Constellation Exit Maneuvers (CEMs) that occurred between October 11 and 20, 2022. Terra ASTER data production will be delayed for data acquired after October 23, 2022, until the processing issue is resolved at the Ground Data Station (...