Documentation

Getting Started

Learn how to set up and start using our platform:

• Theory and Formulas used by ICGEM
• IGFS and ICGEM in Geodesists Handbook 2016
• Article from ICGEM Team describing vision and mission of the ICGEM

For model providers

Providing the model file in a unified data format. It enables usability: visualisation and calculation services, reproducability: consistent archiving of your models, and interoperability.

• Description of the ICGEM-format

Publishing your model with a DOI minted via GFZ DataServices:

• Detailed documentation on the data publication process
• Metadata editor for submitting metadata

Technical Background

Theory and formulas used by the Calculation Service:

• Technical report

Theoretical explanations and resources:

• Global Models Encyclopedia
• Descriptions of Topographic Models
• Description of Gaussian Filter
• Note on the filters for temporal models

GRACE processing standards:

• CSR
• GFZ
• JPL

Grace-FO processing standards:

• CSR
• GFZ
• JPL

Outreach

ICGEM user community survey:

• User survey report 2025

Presentations and posters:

• Presentation about global models and the ICGEM
• Presentation about the ICGEM (IAG-Assembly, 2013, Potsdam)
• ICGEM Poster 2018
• ICGEM Poster presented at EGU-2019

Reports on the progress and development of ICGEM:

• ICGEM-Report 2003-2007
• ICGEM-Report 2007-2011
• ICGEM-Report 2011-2015
• ICGEM-Report 2015-2017