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Global stacked sea surface height profiles from Sentinel-3B Synthetic Aperture Radar Mode (SARM) satellite altimeter data (NCEI Accession 0219903)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Catalog Last Checked: May 06, 2026 at 02:39 AM | Dataset Last Updated: October 08, 2020 at 12:00 AM
NetCDF file result_s3b_sarm_stack.nc contains longitude, latitude, number of cycles, sigma, and stacked sea surface height records for 770 Sentinel-3B Synthetic Aperture Radar Mode (SARM) satellite altimeter passes. Repeat cycles were aligned to a common position along a synthetic track having 20239 records between +/-81.419 latitude. Stacking is the median sea surface height profile from multiple repeat cycles. Sigma is the expected one sigma error in a single measurement. The number of cycles is the quantity that passed selection criteria and were included in a stack. Repeat cycles 19 to 38 were used. The interleaved ground track started with cycle 19.

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Complete Metadata
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accessLevel non-public
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describedByType application/octet-steam
description NetCDF file result_s3b_sarm_stack.nc contains longitude, latitude, number of cycles, sigma, and stacked sea surface height records for 770 Sentinel-3B Synthetic Aperture Radar Mode (SARM) satellite altimeter passes. Repeat cycles were aligned to a common position along a synthetic track having 20239 records between +/-81.419 latitude. Stacking is the median sea surface height profile from multiple repeat cycles. Sigma is the expected one sigma error in a single measurement. The number of cycles is the quantity that passed selection criteria and were included in a stack. Repeat cycles 19 to 38 were used. The interleaved ground track started with cycle 19.
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identifier https://data.noaa.gov/waf/NOAA/NESDIS/ncei/accessions/iso/xml/0219903.xml
issued 2020-08-31T00:00:00.000+00:00
keyword 
                                            [
  "0219903",
  "LATITUDE",
  "LONGITUDE",
  "SEA HEIGHT",
  "satellite sensor - altimeter",
  "SRAL",
  "satellite data",
  "Sentinel-3B",
  "NOAA National Environmental Satellite, Data, and Information Service",
  "NOAA Center for Satellite Applications and Research",
  "World-Wide Distribution",
  "oceanography",
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  "DOC/NOAA/NESDIS/STAR > Center for Satellite Applications and Research, NESDIS, NOAA, U.S. Department of Commerce",
  "EARTH SCIENCE > OCEANS > OCEAN WAVES > WAVE HEIGHT",
  "number_of_cycles",
  "sigma",
  "stacked sea surface height",
  "ALTIMETERS > ALTIMETERS",
  "Sentinel-3 SRAL > Sentinel-3 SAR Radar Altimeter",
  "Sentinel-3B > Sentinel-3B",
  "GEOGRAPHIC REGION > GLOBAL OCEAN",
  "UF4C5W"
]
landingPage https://www.ncei.noaa.gov/contact
language 
                                            []
license https://creativecommons.org/publicdomain/zero/1.0/
modified 2020-10-08T00:00:00.000+00:00
publisher 
                                            {
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  "@type": "org:Organization"
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                                            [
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]
rights otherRestrictions
spatial 180.0,-81.419,-180.0,81.419
temporal 2018-11-23T00:00:00+00:00/2020-04-24T00:00:00+00:00
title Global stacked sea surface height profiles from Sentinel-3B Synthetic Aperture Radar Mode (SARM) satellite altimeter data (NCEI Accession 0219903)

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