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  Warming effects on the urban hydrology in cold climate regions

Järvi, L., Grimmond, C. S. B., McFadden, J. P., Christen, A., Strachan, I. B., Taka, M., et al. (2017). Warming effects on the urban hydrology in cold climate regions. Scientific Reports, 7: 5833. doi:10.1038/s41598-017-05733-y.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-CC8D-F Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-CDCA-E
Genre: Journal Article

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http://dx.doi.org/10.1038/s41598-017-05733-y (Publisher version)
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 Creators:
Järvi, L., Author
Grimmond, C. S. B., Author
McFadden, J. P., Author
Christen, A., Author
Strachan, I. B., Author
Taka, M., Author
Warsta, L., Author
Heimann, Martin1, Author              
Affiliations:
1Department Biogeochemical Systems, Prof. M. Heimann, Max Planck Institute for Biogeochemistry, Max Planck Society, ou_1497755              

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 Abstract: While approximately 338 million people in the Northern hemisphere live in regions that are regularly snow covered in winter, there is little hydro-climatologic knowledge in the cities impacted by snow. Using observations and modelling we have evaluated the energy and water exchanges of four cities that are exposed to wintertime snow. We show that the presence of snow critically changes the impact that city design has on the local-scale hydrology and climate. After snow melt, the cities return to being strongly controlled by the proportion of built and vegetated surfaces. However in winter, the presence of snow masks the influence of the built and vegetated fractions. We show how inter-year variability of wintertime temperature can modify this effect of snow. With increasing temperatures, these cities could be pushed towards very different partitioning between runoff and evapotranspiration. We derive the dependency of wintertime runoff on this warming effect in combination with the effect of urban densification.

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 Dates: 2017-06-022017-07-19
 Publication Status: Published online
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: Other: BGC2680
DOI: 10.1038/s41598-017-05733-y
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Title: Scientific Reports
  Abbreviation : Sci. Rep.
Source Genre: Journal
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Publ. Info: London, UK : Nature Publishing Group
Pages: - Volume / Issue: 7 Sequence Number: 5833 Start / End Page: - Identifier: ISSN: 2045-2322
CoNE: /journals/resource/2045-2322