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How to bridge data knowledge gaps in hydrology? A priority area in the new phase of UNESCO-IHP (and beyond)

Urheber*innen

Dietrich,  Stephan
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Bharati,  Luna
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Zink,  Matthias
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Saile,  Philipp
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Färber,  Claudia
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Ulrich,  Looser
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Koethe,  Harald
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

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Zitation

Dietrich, S., Bharati, L., Zink, M., Saile, P., Färber, C., Ulrich, L., Koethe, H. (2023): How to bridge data knowledge gaps in hydrology? A priority area in the new phase of UNESCO-IHP (and beyond), XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-4656


Zitierlink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5021065
Zusammenfassung
The need for improved data and information exchange in freshwater-related observations has been a long-standing issue for scientists. Despite progress in hydrological cycle observations, the Global Climate Observation System (GCOS) still identifies the need for improvements in data exchange. We summarize past and recent efforts to improve data sharing globally and regionally, focusing on technical efforts and agendas at UN level. The main barriers are known and related to a) lack of capacity to apply international standards for data and metadata exchange and b) restrictive data policies that hinder data exchange. To bridge these data knowledge gaps we will introduce a subtopic of the IX. phase of UNESCO-IHP, the Output 3.3 dealing with “Comparing and validating open access data on water quantity, quality and use and their sharing by the scientific community supported for sustainable water management.” The presentation covers recent developments by the WMO in advocating for open data policies and improving interoperability, including the role of globally operating data centers federated in the Global Terrestrial Network - Hydrology (GTN-H). We will provide insight into recent efforts of the GEMS/Water Data Centre to improve interoperability of water quality data and show the success of the GRDC in implementing a new data portal, a report on the UN 2023 Water Conference and its focus on sharing water observation data to achieve SDG6 goals. The presentation additionally aims to encourage discussions on how to improve scientific data comparison and cross-validation across domains by facilitating standards to improve compatibility and harmonization across teams and disciplines.