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.


June 15th, 2022
A download request function is now available to request download permission for a dataset with restricted access individually from the owner of the data.

September 21st, 2021
The browser-based upload feature has been revamped and now supports files up to 6GB in size. It can be found under User Home -> Upload Data.

July 15th, 2021
A preview feature for picture datasets is now available on the metadata overview page of the corresponding dataset.

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 details 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.

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Recently Uploaded Data

Publication - view dataset[312] - Krisendünger - Synthetische Düngemittel im Zentrum globaler [...]

Publication - view dataset[311] - Supplying lead firms, intangible assets and power in global value [...]

Publication - view dataset[310] - What makes Tanzanian smallholder farmers satisfied with their life? [...]

Report - view dataset[309] - Household Survey Report, June – July 2019, In Zambezi region, [...]

Report - view dataset[308] - Household Survey Report, June – July 2019, in Western province, [...]

Top Data Downloads

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

Report - view dataset[94] - TRR228 Metadata Schema for the Description of Research Data in the [...]

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

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Repository Registration of TRR228DB