Difference between revisions of "FAQ"

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# [[How can I request a specific GFM product?]]
 
# [[How can I request a specific GFM product?]]
 
# [[In which format are GFM output product layers available?]]
 
# [[In which format are GFM output product layers available?]]
 +
# [[Which web services are available?]] https://land.copernicus.eu/global/faq
 +
# [[How do I subscribe to upcoming products]] https://land.copernicus.eu/global/faq
 
# [[How do I get GFM training and/or access educational material?]]
 
# [[How do I get GFM training and/or access educational material?]]
 
# [[Where do I find GFM's technical documentation?]]
 
# [[Where do I find GFM's technical documentation?]]
 
# [[Are there other sources I could consult before taking a decision?]]
 
# [[Are there other sources I could consult before taking a decision?]]
 
# [[How does GFM estimate the impact of an event?]]
 
# [[How does GFM estimate the impact of an event?]]
# [[How can I know whether they system is fully operational?]]
+
# [[How can I know whether the system is fully operational or not?]]
 
# [[How frequently are GFM data updated?]]
 
# [[How frequently are GFM data updated?]]
 
# [[What time does the satellite pass over my area?]] https://earthdata.nasa.gov/faq/firms-faq
 
# [[What time does the satellite pass over my area?]] https://earthdata.nasa.gov/faq/firms-faq
  
Which web services (API) are available? https://land.copernicus.eu/global/faq
+
# [[How to credit GFM as data source in publications?]]
How do I subscribe to upcoming products through the legacy product access portal? https://land.copernicus.eu/global/faq
 
  
How to credit GFM as data source in publications?
+
# [[Do you have GFM products for download for individual countries?]]
  
Do you have HRL products for download for individual countries?
+
# [[How to interpret a certain uncertainty value for a pixel?]]
  
How to interpret a certain uncertainty value for a pixel?
+
# [[I found a mistake in a GFM product output layer. How can I report it?]]
  
I found a mistake in CLC. What is the optimal way to report it?
+
# [[How are data validated?]]
  
How are data validated?
+
# [[Where can I find documentation on Copernicus Sentinel missions?]] https://sentinel.esa.int/web/sentinel/faq
  
Where can I find documentation on Copernicus Sentinel missions? https://sentinel.esa.int/web/sentinel/faq
 
The Copernicus Sentinels Document Library is available here.
 
  
Why is there an overlap between Copernicus Sentinel-1 Level-0 products? <br>
 
Level-0 (RAW) products constantly have an overlap at the beginning/end of each scene. The seconds of the overlap are described in the product annotation in the "generalProductInformation" section. The "s1sar:sliceOverlap" parameter is defined as follows:
 
"Overlap (in seconds) of input data between adjacent slices within the L0 segment to which the slice belongs (applicable if the current L0 product is a slice)" and it provides the information on the overlap between the consecutive products.
 
There are no overlaps between Level-1 images.
 
  
 
Where can I find detailed documentation on Copernicus Sentinel data products and algorithm descriptions?
 
Where can I find detailed documentation on Copernicus Sentinel data products and algorithm descriptions?

Revision as of 13:50, 18 May 2021

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[Home]


  1. What is GFM?
  2. How can I request a specific GFM product?
  3. In which format are GFM output product layers available?
  4. Which web services are available? https://land.copernicus.eu/global/faq
  5. How do I subscribe to upcoming products https://land.copernicus.eu/global/faq
  6. How do I get GFM training and/or access educational material?
  7. Where do I find GFM's technical documentation?
  8. Are there other sources I could consult before taking a decision?
  9. How does GFM estimate the impact of an event?
  10. How can I know whether the system is fully operational or not?
  11. How frequently are GFM data updated?
  12. What time does the satellite pass over my area? https://earthdata.nasa.gov/faq/firms-faq
  1. How to credit GFM as data source in publications?
  1. Do you have GFM products for download for individual countries?
  1. How to interpret a certain uncertainty value for a pixel?
  1. I found a mistake in a GFM product output layer. How can I report it?
  1. How are data validated?
  1. Where can I find documentation on Copernicus Sentinel missions? https://sentinel.esa.int/web/sentinel/faq


Where can I find detailed documentation on Copernicus Sentinel data products and algorithm descriptions?

Copernicus Sentinel technical guides are available here for each instrument.


Are there known Copernicus Sentinel-1 / GFM product quality issues? Where can I find an update on the Sentinel-2 products quality?

Is the information I give to GFM Login really safe? [only for stand-alone webpages, e .g., Twitter accounts]


I am new to remote sensing and want to find resources to learn about how to obtain and use Earth science data.

Thank you for your interest in NASA Earth science data. You can find more information and training on remote sensing at the following URLs:

What is Remote Sensing? Earthdata webinars NASA Applied Remote Sensing Training (ARSET) https://earthdata.nasa.gov/faq/earthdata-login-faq


What projection are the shapefiles in? https://earthdata.nasa.gov/faq/firms-faq

Caveats to consider when using active fire data from FIRMS

What is the temporal frequency of the VIIRS 375 m fire data? What is the spatial resolution of the data?


how to ingest WMS in Arcgis https://firms.modaps.eosdis.nasa.gov/tutorials/arcgis/


What validation of the MODIS active fire products have been performed?

Can you notify me when a fire occurs in my area of interest?

Are there any restrictions on using imagery downloaded from Worldview?

How can I contact the Users’ Support Service? If your question wasn't listed, please refer to our Helpdesk.



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