Welcome to the TRR228DB

The TRR228DB is the project-database of the DFG-funded Transregional Collaborative Research Centre 228. The database is able to archive and provide all research data that are created by the project participants. This includes measured/modeled data, reports, presentations, publications, and pictures. In addition, purchased geodata is available for the project participants. All data is provided with correponding metadata. Depending on the respective rights, the download access may be restricted.


May 7th, 2021
Two open training sessions for data management and data delivery to the TRR228DB will be held on Monday 17th of May 2021 (from 14h to 16h) and on on Monday 7th of June 2021 (from 10h to 12h). For more information see the internal email or contact us for further details.

April 14th, 2021
The TRR228DB has been sucessfully updated to version 5.0 with new features (e.g. updated Metadata Wizard, modified Search Features, etc.).

April 8th, 2021
The TRR228DB will be under construction and not accessible due to technical updates on April, 13th-14th, 2021.

March 10th, 2021
The TRR228DB is now a successfully registered repository in the global Registry of Research Data Repositories (re3data.org) and can be cited by DOI. Further detail can be found at http://doi.org/10.17616/R31NJMXS.

December 30th, 2020
TRR228 Metadata Schema for the Description of Research Data in the TRR228DB successfully published
The TRR228DB Metadata Schema is a structured list of metadata properties chosen to describe all data in the TRR228DB with accurate metadata. The Schema is designed in compliance with the Dublin Core Metadata Initiative and DataCite (Version 4.3). It is expanded with elements from ISO 19115, INSPIRE, Data Documentation Initiative (DDI), as well as various properties appropriate to the supported data types and specific properties related to the CRC/TRR228 project background.
The Schema is available for download at DOI: 10.5880/TRR228DB.6.

January 13th, 2020
Data Policy successfully adopted
The CRC/TRR228 Project Database Data Policy - the Guidelines concerning the handling of CRC/TRR228 data - was successfully adopted by the CRC Executive Board. The policy forms part of the CRC's statutes (Appendix IV) and should therefore be acknowledged by all CRC member, associated members and users of the TRR228DB. The policy is available for download in the FAQ section.

December 23rd, 2019
Presentation of TRR228DB activities and services at 'AGU Fall Meeting' at December 09-13, 2019 in San Francisco, CA, USA. Further information about the conference can be found here. The eLightning presentation is available here.

November 8th, 2019
At the annual CRC / TRR228 retreat (6th - 8th November, 2019) in the Eifel Monastery Steinfeld, one session was dedicated to the topic ‘Data Management and Data Sharing’. The presentation slides are available for download here.

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Recently Uploaded Data

Report - view dataset[286] - Household Survey Report, April – June 2019, In Zambezi Region, [...]

Publication - view dataset[285] - Land-use and Land-cover Changes in Pastoral Drylands. Long-term [...]

Publication - view dataset[284] - Coercion and Dissent: Sleeping Sickness "Concentrations" and the [...]

Presentation - view dataset[283] - Dynamics of human water interactions

Presentation - view dataset[282] - Understanding the impact of uncertainty handling in human water [...]

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Report - view dataset[62] - Improving estimation of woody aboveground biomass in drylands by [...]

Data - view dataset[27] - Table of stakeholder interviews in Tanzania

Report - view dataset[100] - A primer for interdisciplinary research on time and future concepts

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Repository Registration of TRR228DB