Questions/Comments • GCMD Platform and Instrument Keyword Requests
The ASDC would like to request the following be added as GCMD Platform and Instrument Keywords.Platforms:Hierarchy: Platforms > Air-based Platforms > Uncrewed Aerial VehiclesShort Name: BlueHalo...
View ArticleQuestions/Comments • Re: HLSL30 - Cannot load certain tif into memory
HiAny update?I also got that error. This happens when I try open the tif with rioxarray. code:chunk_size = dict(band=1, x=512,...
View ArticleQuestions/Comments • Albedo data by city
I am a science curriculum designer at UC Berkeley's Lawrence Hall of Science. We're currently in the early stages of developing a unit in which middle school students write code to create data...
View ArticleQuestions/Comments • NOAA N20 VIIRS L2P/L3U SST datasets are stopped due to...
From Feb. 06, 2024, both NOAA N20-VIIRS L2P/L3U SST datasets are paused to delivery due to the L1B error. NOAA SDR team has discovered that the data quality flags at pixel level were erroneously...
View ArticleQuestions/Comments • Re: Albedo data by city
Hello,There are different types of albedo data in our Giovanni system. Click on the link below to access Giovanni with these variables selected. Giovanni is not difficult to use; you can examine the...
View ArticleQuestions/Comments • Re: Mean composite of a single variable
I tried l2bin by choosing ifile as files.txt(as I have multiple files), but the ifile remained the same. files.txt is a plain text.Statistics: Posted by arnabp893 — Wed Feb 07, 2024 5:48 pm...
View ArticleQuestions/Comments • Re: How to calculate the corners of the lat/lon grids in...
Hi @peteden, I'm sorry I missed your post earlier. Could it be that you have the netCDF file missing at `/xxxxxxx/daymet_v4_daily_na_prcp_1980.nc`, or that the file is corrupted? Could you try with...
View ArticleQuestions/Comments • Re: GCMD Platform and Instrument Keyword Requests
Thank you for your keyword request. We will let you know when it is complete.Statistics: Posted by GCMD - tstevens — Thu Feb 08, 2024 9:25 am America/New_York
View ArticleQuestions/Comments • no VersionID in ATL15 Metadata
The ATL15 v003 metadata of an s3 file (url: s3://nsidc-cumulus-prod-protected/ATLAS/ATL15/003/ATL15_GL_0318_01km_003_01.nc) has a "VersionID" value of "SET_BY_PGE".The info can be found within the...
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Questions/Comments • FIRMS: What does a fire detection mean on the ground?
Satellites take a ‘snapshot’ of events as they pass over Earth. Each hotspot/active fire detection represents the center of a pixel flagged as containing one or more fires or other thermal anomalies...
View ArticleQuestions/Comments • FIRMS: What are the attributes / fields of the active...
What are the attributes / fields of the active fire data?Attribute table for VIIRSAttribute table for MODISStatistics: Posted by Earthdata - wxedward — Fri Feb 09, 2024 10:34 am America/New_York
View ArticleQuestions/Comments • FIRMS: What does scan and track mean?
What does scan and track mean?Scan and Track values are included in the attributes (see: What are the attributes / fields of the active fire data?). The scan value represents the spatial-resolution in...
View ArticleQuestions/Comments • What are the different sources of fire data in FIRMS?
What are the different sources of fire data in FIRMS?MODIS NRT C6.1 (MCD14DL) are the NRT MODIS (Terra and Aqua) Collection 6.1 data processed by NASA FIRMS.MCD14ML provided by FIRMS are a subset of...
View ArticleQuestions/Comments • FIRMS: How often are the active fire data acquired?
How often are the active fire data acquired?The MODIS instruments aboard the Terra and Aqua EOS satellites acquire data continuously, providing global coverage every 1-2 days. The MODIS instrument...
View ArticleQuestions/Comments • GCMD Keywords Version 17.8 Released
The NASA Global Change Master Directory (GCMD) staff is pleased to announce the release of the GCMD Keywords Version 17.8.Please see the keyword release announcement for details:...
View ArticleQuestions/Comments • How often is FIRMS updated?
How often is FIRMS updated?FIRMS is updated regularly as new data are ingested, however it is important to note that the data are derived from instruments onboard polar orbiting satellites (MODIS...
View ArticleQuestions/Comments • Re: no VersionID in ATL15 Metadata
Hi Jessica,Thanks for pointing this out! I contacted the ICESat-2 Project Science Office and this attribute should be populated with the most recent Version number, but a blip in the QA process missed...
View ArticleQuestions/Comments • gtp WriteImage - where did it go?
Starting with SeaDAS 8 the gpt WriteImage operator has disappeared. I checked with the SNAP people on the STEP forum and they said it was created by the 'SeaDAS guys'. Could it be brought back to gpt?...
View ArticleQuestions/Comments • FIRMS: For what dates are the fire data available?
For what dates are the fire data available?MODIS data are available from November 2000 (for Terra) and from July 2002 (for Aqua) to the present. VIIRS 375 m data are currently available from 20...
View ArticleQuestions/Comments • FIRMS: How are fires detected by satellite?
How are fires detected by satellite?Fire detection is performed using a contextual algorithm that exploits the strong emission of mid-infrared radiation from fires. The NASA MODIS algorithm examines...
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