TIE-GCM PDAF

Corbin, Armin; Kusche, Jürgen

doi:10.5281/zenodo.23102803

Published October 5, 2026 | Version 3.1

Software Open

TIE-GCM PDAF

1. University of Bonn

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TIE-GCM PDAF is a modified version of the NCAR Thermosphere-Ionosphere-Electrodynamics General Circulation Model (TIE-GCM) that is augmented with data assimilation capabilities by integrating the Parallel Data Assimilation Framework (PDAF).

This software is part of the NCAR TIE-GCM. Use is governed by the Open Source Academic Research License Agreement contained in the file tiegcmlicense.txt.

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TIE-GCM-PDAF-tiegcm-pdaf-3.1.zip

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TIE-GCM-PDAF-tiegcm-pdaf-3.1.zip md5:d70271d3abf9617e0b6f6d1f0f0b5a6a	60.6 MB	Preview Download

Additional details

Deutsche Forschungsgemeinschaft
FOR 5405: Magnetosphere, Ionosphere, Plasmasphere and Thermosphere, as a coupled system (MIPT) 462853228
Deutsche Forschungsgemeinschaft
Development of High-precision Thermosphere Models for Improving Precise Orbit Determination of Low-Earth-Orbiting Satellites (TIPOD) 403225156

Repository URL: https://github.com/rainbowsend/TIE-GCM-PDAF
Programming language: Fortran

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License: NCAR TIE-GCM OPEN SOURCE ACADEMIC RESEARCH LICENSE AGREEMENT

1. License. The University Corporation for Atmospheric Research (UCAR), The National Center for Atmospheric Research (NCAR), and the High Altitude Observatory (HAO) grant you a non-exclusive, non-transferable, world-wide, royalty-free license to use, reproduce, and prepare derivative works of the NCAR Thermosphere-Ionosphere-Electrodynamics General Circulation Model (TIE-GCM) software ("Software") for research, academic, and non-profit purposes only. This license applies to TIE-GCM Version 2, Version 3 and subsequent (3.xx) versions. Any and all licenses issued for earlier versions do not apply to this version. 2. Basis. This software was written by Raymond G. Roble and colleagues, as noted in the individual files. Some of the routines are based on source code obtained from a variety of public domain sources. The Weimer model of high-latitude potential is the intellectual property of Daniel Weimer and may not be extracted, distributed, or used for any purpose other than as implemented in the TIE-GCM. For further information concerning this model, please contact Dan Weimer. 3. Restrictions and Use. a. No Sales. You shall not sell, or license, or transfer for a fee the Software, or any work that in any manner contains the Software, or any data products generated by the Software. The Software may not be used for operational purposes, i.e., any applications intended to create forecast, nowcast, or hindcast products potentially useful for functional description of the atmospheric state. b. Modifications. All modifications or changes to the Software and derivative works that incorporate or utilize the Software, shall carry prominent notices stating that you changed the files and the date of the change. Any reproductions of derivative works shall also be on an open source basis. You are requested to transfer such modifications, changes, and/or derivative works back to UCAR. c. Copyright/Notices. Each copy of the Software, modification, or derivative work shall include a file containing this Agreement. Reference to this file will be displayed on any documents, media, printouts, or on any other electronic or tangible expressions associated with, related to or derived from the Software, as follows: "This software is part of the NCAR TIE-GCM. Use is governed by the Open Source Academic Research License Agreement contained in the file tiegcmlicense.txt." d. "Rules of the Road." The academic standards and practices with respect to notification, citation, co-authorship, etc., are specified by the "rules of the road" of the NSF CEDAR project and the NASA TIMED mission (c.f., cedarweb.vsp.ucar.edu, www.timed.jhuapl.edu.) 4. Termination. Your rights under this Agreement will terminate automatically without notice from UCAR if you fail to comply with any term(s) of this Agreement. The following provisions shall survive termination: Sections 3, 6, 7, and 11. 5. Proprietary Rights. Title, ownership rights, and intellectual property rights in the Software shall remain in UCAR. You acknowledge such ownership and intellectual property rights and will not take any action to jeopardize, limit or interfere in any manner with UCAR's ownership of or rights with respect to the Software. 6. Disclaimer of Warranty on Software. You expressly acknowledge and agree that use of the Software is at your sole risk. The Software is provided "as is" and without warranty of any kind and UCAR expressly disclaims all warranties and/or conditions of any kind, express or implied, including, but not limited to, any warranties or conditions of title, non- infringement of a third party's intellectual property, merchantability or satisfactory quality and fitness for a particular purpose. UCAR does not warrant that the functions contained in the software will meet your requirements, or that the operation of the software will be uninterrupted or error-free, or that defects in the software will be corrected. Furthermore, UCAR does not warrant or make any representations and you assume all risk regarding the use or the results of the use of the software or related documentation in terms of their correctness, accuracy, reliability, or otherwise. the parties expressly disclaim that the uniform computer information transactions act (UCITA) applies to or governs this agreement. No oral or written information or advice given by UCAR shall create a warranty or in any way increase the scope of this warranty. Should the Software prove defective, you (and not UCAR or any UCAR representative) assume the cost of all necessary correction. 7. Limitation of Liability. Under no circumstances, including negligence, shall UCAR be liable for any direct, incidental, special, indirect or consequential damages including lost revenue, profit or data, whether in an action in contract or tort arising out of or relating to the use of or inability to use the software, even if UCAR has been advised of the possibility of such damages. 8. Export Law Assurances. All Software and any technical data delivered under this Agreement are subject to U.S. export control laws and may be subject to export or import regulations in other countries. You agree to comply strictly with all such laws and regulations and you acknowledge that you have responsibility to obtain such license to export, re-export, or import as may be required after delivery to you. 9. No Support/Modifications. The Software is provided without any support or maintenance, and without any obligation to provide you with modifications, improvements, enhancements, or updates of the Software. 10. Controlling Law and Severability. This Agreement shall be governed by the laws of the United States. If for any reason a court of competent jurisdiction finds any provision, or portion thereof, to be unenforceable, the remainder of this Agreement shall continue in full force and effect. This Agreement shall not be governed by the United Nations Convention on Contracts for the International Sale of Goods, the application of which is hereby expressly excluded. 11. Complete Agreement. This Agreement constitutes the entire agreement between the parties with respect to the use of the Software and supersedes all prior or contemporaneous understandings regarding such subject matter. Read more