Removal of Content Advisory - April 2024

Advisory to Ensemble Kalman Filter (EnKF) users: As of the beginning of April 2024, all support assets for Ensemble Kalman Filter (EnKF) will be removed from the DTC website. Users should download all reference materials of interest prior to April 2024.

Ensemble Kalman Filter System (EnKF) | Terms of Use

EnKF Public Domain Notice

The EnKF code was developed by the National Oceanic and Atmospheric Administration (NOAA) Earth System Research Lab (ESRL) in collaboration with the research community. The GSI, used by the EnKF for its observation operators, was developed jointly at NOAA, National Aeronautics and Space Administration (NASA), and National Center for Atmospheric Research (NCAR) which is operated by the University Corporation for Atmospheric Research (UCAR). NOAA, NASA, NCAR, and UCAR makes no proprietary claims, either statutory or otherwise, to this version and release of GSI and the EnKF and consider them to be in the public domain for use by any person or entity for any purpose without any fee or charge. It is requested that any EnKF user include this notice on any partial or full copies of the EnKF. GSI and the EnKF are provided on an "AS IS" basis and any warranties, either express or implied, including but not limited to implied warranties of non-infringement, originality, merchantability and fitness for a particular purpose, are disclaimed. In no event shall UCAR be liable for any damages, whatsoever, whether direct, indirect, consequential or special, that arise out of or in connection with the access, use or performance of GSI and EnKF, including infringement actions.

GSI Public Domain Notice

GSI was developed jointly at National Oceanic and Atmospheric Administration (NOAA), National Aeronautics and Space Administration (NASA), and National Center for Atmospheric Research (NCAR) which is operated by the University Corporation for Atmospheric Research (UCAR). NOAA, NASA, NCAR and UCAR make no proprietary claims, either statutory or otherwise, to this version and release of GSI and consider GSI to be in the public domain for use by any person or entity for any purpose without any fee or charge. It is requested that any GSI user include this notice on any partial or full copies of GSI. GSI is provided on an "AS IS" basis and any warranties, either express or implied, including but not limited to implied warranties of non-infringement, originality, merchantability and fitness for a particular purpose, are disclaimed. In no event shall UCAR be liable for any damages, whatsoever, whether direct, indirect, consequential or special, that arise out of or in connection with the access, use or performance of GSI, including infringement actions.