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Questions/Comments • Where can I find the MODIS and VIIRS Active Fire User...

For the most current information, use the Active Fire User Guides:VIIRS (Updated July 2018)MODIS Collection 6 and 6.1 Version 1.0 (Updated May 2021)Statistics: Posted by Earthdata - wxedward — Tue Feb...

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Questions/Comments • Plotting Total Backscatter Coefficient 532

Hello, I am trying to plot the total backscatter and I used one of the example codes from the website however, my plot doesn't seem right and I can't fix it. the problem I am facing is that the plot...

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Questions/Comments • FIRMS: What are the key differences between Standard...

Standard (science quality) data products are an internally consistent, well-calibrated record of Earth’s geophysical properties to support science. The ultra real-time (URT), real-time (RT), and near...

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Questions/Comments • FIRMS: Questions about Real-Time (RT) and Ultra...

What are the real-time (RT) and ultra real-time (URT) data in FIRMS?NASA EOSDIS defines real-time (RT) data as data that are available to the end user within one hour of the satellite fly-over (see...

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Questions/Comments • FIRMS: What time does the satellite pass over my area?

In FIRMS Fire Map and NASA Worldview you can overlay the daily orbit tracks to see satellite overpass times for your area of interest. Daily Terra, Aqua, Suomi NPP, and NOAA-20 global and regional...

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Questions/Comments • Mean composite of a single variable

I want to create a mean composite of a variable using Multiple images. The problem is the matrices have different dimension (due to cropping). Is it possible in seadas 8.3?Statistics: Posted by...

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Questions/Comments • geoMetaVIIRS for JPSS2

Dear Staff,Ireceive the notification of the VJ2 products released and downloadable from nrt-lance system. Sorry, about a possible futile question; but I'm interested to a "vital" product for my script...

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Questions/Comments • NASA ARSET: Large Scale Applications of Machine Learning...

Large Scale Applications of Machine Learning using Remote Sensing for Building Agriculture SolutionsRemote sensing data is becoming crucial to solve some of the most important environmental problems,...

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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...

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Questions/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...

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Questions/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...

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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...

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Questions/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 —...

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Questions/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...

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Questions/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...

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Questions/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...

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Questions/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:...

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Questions/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...

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Questions/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?...

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Questions/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...

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