NOAA CYGNSS Level 2 Science Wind Speed 25-km Product Version 1.2

Description

This dataset contains the Version 1.2 NOAA CYGNSS Level 2 Science Wind Speed Product Version 1.2 which provides the time-tagged and geolocated average wind speed (m/s) in 25x25 kilometer grid cells along the measurement tracks from the Delay Doppler Mapping Instrument (DDMI) aboard the CYGNSS satellite constellation. This version corresponds to the second science-quality released through the PO.DAAC, as produced by NOAA/NESDIS using a specific geophysical model function (GMF version 1.0) and a track-wise debiasing algorithm as part of the wind speed retrieval process. The reported retrieval locations are determined by averaging the specular point locations falling within each 25 km grid cell. Version 1.2 includes four major updates compared to Version 1.1 ( https://doi.org/10.5067/CYGNN-22511 ), namely: 1) the inclusion of data associated to a spacecraft roll angle exceeding +/- 5 degrees; 2) an improved wind speed performance in the higher wind speed regime; 3) a full revision of the quality flags; 4) the inclusion of a wind speed retrieval error variable. Only one netCDF-4 data file is produced for each day (each file containing data from up to 8 unique CYGNSS spacecraft) with a latency of approximately 6 days (or better) from the last recorded measurement time. Formatting of the data variables and metadata designed to be consistent with the netCDF-4 formatting provided by the legacy CYGNSS mission Level 2 wind speed science data record (SDR).

Resources

Name Format Description Link
5 https://podaac.jpl.nasa.gov%2FCitingPODAAC
5 https://doi.org%2F10.1175%2FBAMS-D-18-0337.1
5 https://cygnss.engin.umich.edu%2F
5 https://manati.star.nesdis.noaa.gov%2Fproducts%2FCYGNSS.php
5 https://github.com%2Fpodaac%2Fdata-readers
5 https://doi.org%2F10.1109%2FIGARSS.2019.8898099
5 https://doi.org%2F10.1175%2FBAMS-D-14-00218.1
5 https://archive.podaac.earthdata.nasa.gov%2Fpodaac-ops-cumulus-docs%2Fcygnss%2Fopen%2FL2%2Fdocs%2Fbasic_user_guide_noaa_l2_wind_v1.1.pdf
5 https://cygnss.engin.umich.edu%2Fwp-content%2Fuploads%2Fsites%2F534%2F2021%2F06%2FCYGNSS_Handbook_April2016.pdf
5 https://cmr.earthdata.nasa.gov%2Fvirtual-directory%2Fcollections%2FC2254232941-POCLOUD
5 https://search.earthdata.nasa.gov%2Fsearch%2Fgranules%3Fp%3DC2254232941-POCLOUD
5 https://archive.podaac.earthdata.nasa.gov%2Fpodaac-ops-cumulus-docs%2Fcygnss%2Fopen%2FL2%2Fdocs%2Fatbd_noaa_l2_wind_v1.2_apr072022.pdf
5 https://archive.podaac.earthdata.nasa.gov%2Fpodaac-ops-cumulus-docs%2Fcygnss%2Fopen%2FL2%2Fnoaa%2FREADME.txt
5 https://doi.org%2F10.1109%2FTGRS.2021.3087426
5 https://doi.org%2F10.1109%2FGNSSR53802.2021.9617693
5 https://archive.podaac.earthdata.nasa.gov%2Fpodaac-ops-cumulus-docs%2Fcygnss%2Fopen%2FL1%2Fdocs%2Fatt_tables%2FAttitude_Table_FM_1.txt
5 https://archive.podaac.earthdata.nasa.gov%2Fpodaac-ops-cumulus-docs%2Fcygnss%2Fopen%2FL1%2Fdocs%2Fatt_tables%2FAttitude_Table_FM_3.txt
5 https://archive.podaac.earthdata.nasa.gov%2Fpodaac-ops-cumulus-docs%2Fcygnss%2Fopen%2FL1%2Fdocs%2Fatt_tables%2FAttitude_Table_FM_4.txt
5 https://archive.podaac.earthdata.nasa.gov%2Fpodaac-ops-cumulus-docs%2Fcygnss%2Fopen%2FL1%2Fdocs%2Fatt_tables%2FAttitude_Table_FM_5.txt
5 https://archive.podaac.earthdata.nasa.gov%2Fpodaac-ops-cumulus-docs%2Fcygnss%2Fopen%2FL1%2Fdocs%2Fatt_tables%2FAttitude_Table_FM_6.txt
5 https://archive.podaac.earthdata.nasa.gov%2Fpodaac-ops-cumulus-docs%2Fcygnss%2Fopen%2FL1%2Fdocs%2Fatt_tables%2FAttitude_Table_FM_7.txt
5 https://archive.podaac.earthdata.nasa.gov%2Fpodaac-ops-cumulus-docs%2Fcygnss%2Fopen%2FL1%2Fdocs%2Fatt_tables%2FAttitude_Table_FM_8.txt
5 https://podaac.jpl.nasa.gov%2FPodaac%2Fthumbnails%2FCYGNSS_NOAA_L2_SWSP_25KM_V1.2.jpg
5 https://archive.podaac.earthdata.nasa.gov%2Fpodaac-ops-cumulus-docs%2Fcygnss%2Fopen%2FL1%2Fdocs%2Fatt_tables%2FAttitude_Table_FM_2.txt
5 https://podaac.jpl.nasa.gov%2FOPeNDAP-in-the-Cloud
5 https://podaac.jpl.nasa.gov/CitingPODAAC
5 https://doi.org/10.1175/BAMS-D-18-0337.1
5 https://github.com/podaac/data-readers
5 https://doi.org/10.1109/IGARSS.2019.8898099
5 https://doi.org/10.1175/BAMS-D-14-00218.1
5 https://cygnss.engin.umich.edu/
5 CYGNSS.php https://manati.star.nesdis.noaa.gov/products/CYGNSS.php
33 CYGNSS_Handbook_April2016.pdf https://cygnss.engin.umich.edu/wp-content/uploads/sites/534/2021/06/CYGNSS_Handbook_April2016.pdf
5 https://cmr.earthdata.nasa.gov/virtual-directory/collections/C2254232941-POCLOUD
5 https://search.earthdata.nasa.gov/search/granules?p=C2254232941-POCLOUD
5 https://podaac.jpl.nasa.gov/OPeNDAP-in-the-Cloud
33 atbd_noaa_l2_wind_v1.2_apr072022.pdf https://archive.podaac.earthdata.nasa.gov/podaac-ops-cumulus-docs/cygnss/open/L2/docs/atbd_noaa_l2_wind_v1.2_apr072022.pdf
47 README.txt https://archive.podaac.earthdata.nasa.gov/podaac-ops-cumulus-docs/cygnss/open/L2/noaa/README.txt
5 https://doi.org/10.1109/TGRS.2021.3087426
5 https://doi.org/10.1109/GNSSR53802.2021.9617693
47 Attitude_Table_FM_1.txt https://archive.podaac.earthdata.nasa.gov/podaac-ops-cumulus-docs/cygnss/open/L1/docs/att_tables/Attitude_Table_FM_1.txt
47 Attitude_Table_FM_2.txt https://archive.podaac.earthdata.nasa.gov/podaac-ops-cumulus-docs/cygnss/open/L1/docs/att_tables/Attitude_Table_FM_2.txt
33 basic_user_guide_noaa_l2_wind_v1.1.pdf https://archive.podaac.earthdata.nasa.gov/podaac-ops-cumulus-docs/cygnss/open/L2/docs/basic_user_guide_noaa_l2_wind_v1.1.pdf
47 Attitude_Table_FM_4.txt https://archive.podaac.earthdata.nasa.gov/podaac-ops-cumulus-docs/cygnss/open/L1/docs/att_tables/Attitude_Table_FM_4.txt
47 Attitude_Table_FM_5.txt https://archive.podaac.earthdata.nasa.gov/podaac-ops-cumulus-docs/cygnss/open/L1/docs/att_tables/Attitude_Table_FM_5.txt
47 Attitude_Table_FM_6.txt https://archive.podaac.earthdata.nasa.gov/podaac-ops-cumulus-docs/cygnss/open/L1/docs/att_tables/Attitude_Table_FM_6.txt
47 Attitude_Table_FM_7.txt https://archive.podaac.earthdata.nasa.gov/podaac-ops-cumulus-docs/cygnss/open/L1/docs/att_tables/Attitude_Table_FM_7.txt
47 Attitude_Table_FM_8.txt https://archive.podaac.earthdata.nasa.gov/podaac-ops-cumulus-docs/cygnss/open/L1/docs/att_tables/Attitude_Table_FM_8.txt
22 CYGNSS_NOAA_L2_SWSP_25KM_V1.2.jpg https://podaac.jpl.nasa.gov/Podaac/thumbnails/CYGNSS_NOAA_L2_SWSP_25KM_V1.2.jpg
0 The metadata's original source. https://cmr.earthdata.nasa.gov/search/concepts/C2254232941-POCLOUD.iso19115
47 Attitude_Table_FM_3.txt https://archive.podaac.earthdata.nasa.gov/podaac-ops-cumulus-docs/cygnss/open/L1/docs/att_tables/Attitude_Table_FM_3.txt

Tags

  • earth-science-ocean-winds-oceans-surface-winds-ocean-surface-wind-speed
  • earth-science-ocean-winds-oceans-surface-winds
  • earth-science-radar-spectral-engineering-radar-cross-section-bistatic-radar-cross-section

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