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About

Acknowledgements

The PPODB team thanks the DWD for providing the data stored in the DWD- and HPDB- databases and for continuous support concerning the DWD data for more than a decade. We also thank the DWD for giving us access to their archive in Potsdam, and providing the Meteorological Yearbooks from which we digitalized the data now stored in the HIS database.
We thank Edda Klipp and Ivo Maintz from the Institute for Theoretical Biophysics at the Humboldt University, which kindly hosts PPODB.
PPODB was funded by German Ministry for Science and Education (BMBF).

Data policy

The data stored in the DWD and HPDB database generally underly the data policy of the DWD. Access to the phenological data from the DWD is unrestricted and free of charge according to the conditions of data usage and policies of the DWD.
The data stored the the HIS database as well as derived tables for the combined time series are made available under the Open Database License. Any rights in individual contents of the database are licensed under the Database Contents License. Basically you are free to use, share, modify the data, as long as you keep the resulting data equally open and redistribute under the same license. For more details see here.

Team