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  Integrating the water planetary boundary with water management from local to global scales

Zipper, S. C., Jaramillo, F., Wang-Erlandsson, L., Cornell, S. E., Gleeson, T., Porkka, M., Häyhä, T., Crépin, A.-S., Fetzer, I., Gerten, D., Hoff, H., Matthews, N., Ricaurte-Villota, C., Kummu, M., Wada, Y., Gordon, L. (2020): Integrating the water planetary boundary with water management from local to global scales. - Earth's Future, 8, 2, e2019EF001377.
https://doi.org/10.1029/2019EF001377

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Zipper, S. C.1, Author
Jaramillo, F.1, Author
Wang-Erlandsson, L.1, Author
Cornell, S. E.1, Author
Gleeson, T.1, Author
Porkka, M.1, Author
Häyhä, T.1, Author
Crépin, A.-S.1, Author
Fetzer, I.1, Author
Gerten, Dieter2, Author              
Hoff, Holger2, Author              
Matthews, N.1, Author
Ricaurte-Villota, C.1, Author
Kummu, M.1, Author
Wada, Y.1, Author
Gordon, L.1, Author
Affiliations:
1External Organizations, ou_persistent22              
2Potsdam Institute for Climate Impact Research, ou_persistent13              

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 Abstract: The planetary boundaries framework defines the “safe operating space for humanity” represented by nine global processes that can destabilize the Earth System if perturbed. The water planetary boundary attempts to provide a global limit to anthropogenic water cycle modifications, but it has been challenging to translate and apply it to the regional and local scales at which water problems and management typically occur. We develop a cross‐scale approach by which the water planetary boundary could guide sustainable water management and governance at subglobal contexts defined by physical features (e.g., watershed or aquifer), political borders (e.g., city, nation, or group of nations), or commercial entities (e.g., corporation, trade group, or financial institution). The application of the water planetary boundary at these subglobal contexts occurs via two approaches: (i) calculating fair shares, in which local water cycle modifications are compared to that context's allocation of the global safe operating space, taking into account biophysical, socioeconomic, and ethical considerations; and (ii) defining a local safe operating space, in which interactions between water stores and Earth System components are used to define local boundaries required for sustaining the local water system in stable conditions, which we demonstrate with a case study of the Cienaga Grande de Santa Marta wetlands in Colombia. By harmonizing these two approaches, the water planetary boundary can ensure that water cycle modifications remain within both local and global boundaries and complement existing water management and governance approaches.

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 Dates: 2020
 Publication Status: Finally published
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1029/2019EF001377
PIKDOMAIN: RD1 - Earth System Analysis
eDoc: 8765
Research topic keyword: Planetary Boundaries
Research topic keyword: Freshwater
Regional keyword: Global
Organisational keyword: RD1 - Earth System Analysis
Working Group: Terrestrial Safe Operating Space
 Degree: -

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Title: Earth's Future
Source Genre: Journal, SCI, Scopus, p3, oa
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Pages: - Volume / Issue: 8 (2) Sequence Number: e2019EF001377 Start / End Page: - Identifier: CoNE: https://publications.pik-potsdam.de/cone/journals/resource/170925
Publisher: American Geophysical Union (AGU)