Difference between revisions of "FAQ"

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==General Queries==
 
# [[What is GFMS? | What is GFM?]]
 
# [[What is GFMS? | What is GFM?]]
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# [[How emergency management professionals can use GFMS data?]]
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# [[How can I contact the Users’ Support Service?]]
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# [[How the public can use GFM data?]]
 
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# [[What are the system requirements to an effective use of GFM products?]]
 
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# [[How can I request a specific GFM product?]]
 
 
# [[How do I get GFM training and/or access educational material?]]
 
# [[How do I get GFM training and/or access educational material?]]
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# [[How to credit GFM as data source in publications? | How to credit GFM as data source in publications]]
 
# [[Where do I find GFM's technical documentation?]]
 
# [[Where do I find GFM's technical documentation?]]
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Are there other sources I could consult before taking a decision?
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# [[Are there other sources I could consult before taking a decision?]]
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How does EFAS estimate the impact of an event?
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# [[Are there any restrictions on using GFM's imagery downloaded from GloFAS?]]
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how can I know whether they system is fully operational?
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# [[How can I know whether the system is fully operational or not?]]
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In which format are GFM output product layers available?]
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# [[Is the information I give to GFM Login really safe?]]
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How frequently are GFM data updated?
 
  
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Which web services (API) are available? https://land.copernicus.eu/global/faq
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==Data Access==
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How do I subscribe to upcoming products through the legacy product access portal? https://land.copernicus.eu/global/faq
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# [[How can I request a specific GFM product?]]
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# [[Which web services are available?]] '''https://land.copernicus.eu/global/faq'''
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How to credit GFM as data source in publications?
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# [[Do you have GFM products for download for individual countries?]]
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# [[How do I subscribe to upcoming products]] /// '''https://land.copernicus.eu/global/faq''' ///
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Do you have HRL products for download for individual countries?
 
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How to interpret a certain uncertainty value for a pixel?
 
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I found a mistake in CLC. What is the optimal way to report it?
 
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How are data validated?
 
  
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Where can I find documentation on Copernicus Sentinel missions? https://sentinel.esa.int/web/sentinel/faq
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==Products/Processing==
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The Copernicus Sentinels Document Library is available here.
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# [[How frequently are GFM data updated?]]
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# [[What time does the satellite pass over my area?]] ///  '''https://earthdata.nasa.gov/faq/firms-faq''' ///
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# [[In which format are GFM output product layers available?]]
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# [[What projection are the shapefiles in?]] ///  '''https://earthdata.nasa.gov/faq/firms-faq''' ///
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# [[How to interpret a certain uncertainty value for a pixel?]]
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# [[I found a mistake in a GFM product output layer. How can I report it?]]
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# [[How does GFM estimate the impact of an event?]]
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# [[What is the spatial resolution of the data?]]
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# [[How to ingest GFM'S WMS-Ts in a desktop GIS application]] /// '''https://firms.modaps.eosdis.nasa.gov/tutorials/arcgis/''' ///
  
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Why is there an overlap between Copernicus Sentinel-1 Level-0 products? <br>
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==Data Quality==
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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:
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# [[How are GFM data validated?]]
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"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.
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# [[Are there known GFM products quality issues?]]
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There are no overlaps between Level-1 images.
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# [[Where can I find an update on the GFM products quality?]]
  
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Where can I find detailed documentation on Copernicus Sentinel data products and algorithm descriptions?
 
  
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Copernicus Sentinel technical guides are available here for each instrument.
 
  
  
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Are there known Copernicus Sentinel-1 / GFM product quality issues?
 
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Where can I find an update on the Sentinel-2 products quality?
 
  
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[[How can I contact the Users’ Support Service?]]
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If your question is not listed, please refer to GFM's [[How_can_I_contact_the_Users’_Support_Service%3F | '''User Support''']].
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If your question wasn't listed, please refer to our Helpdesk.
 
  
  
 
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[[GFMS | [Home]]]
 
[[GFMS | [Home]]]

Latest revision as of 08:33, 13 July 2021

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[Home]


General Queries

  1. What is GFM?
  2. How can I contact the Users’ Support Service?
  3. How do I get GFM training and/or access educational material?
  4. How to credit GFM as data source in publications
  5. Where do I find GFM's technical documentation?
  6. Are there other sources I could consult before taking a decision?
  7. Are there any restrictions on using GFM's imagery downloaded from GloFAS?
  8. How can I know whether the system is fully operational or not?
  9. Is the information I give to GFM Login really safe?

Data Access

  1. How can I request a specific GFM product?
  2. Which web services are available? https://land.copernicus.eu/global/faq
  3. Do you have GFM products for download for individual countries?
  4. How do I subscribe to upcoming products /// https://land.copernicus.eu/global/faq ///

Products/Processing

  1. How frequently are GFM data updated?
  2. What time does the satellite pass over my area? /// https://earthdata.nasa.gov/faq/firms-faq ///
  3. In which format are GFM output product layers available?
  4. What projection are the shapefiles in? /// https://earthdata.nasa.gov/faq/firms-faq ///
  5. How to interpret a certain uncertainty value for a pixel?
  6. I found a mistake in a GFM product output layer. How can I report it?
  7. How does GFM estimate the impact of an event?
  8. What is the spatial resolution of the data?
  9. How to ingest GFM'S WMS-Ts in a desktop GIS application /// https://firms.modaps.eosdis.nasa.gov/tutorials/arcgis/ ///

Data Quality

  1. How are GFM data validated?
  2. Are there known GFM products quality issues?
  3. Where can I find an update on the GFM products quality?



If your question is not listed, please refer to GFM's User Support.


[Home]

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