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Sökning: WFRF:(Bartrons J)

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1.
  • Cuenca-Cambronero, M., et al. (författare)
  • Challenges and opportunities in the use of ponds and pondscapes as Nature-based Solutions
  • 2023
  • Ingår i: Hydrobiologia. - : Springer Nature. - 0018-8158 .- 1573-5117. ; 850:15, s. 3257-3271
  • Tidskriftsartikel (refereegranskat)abstract
    • Ponds and "pondscapes" (networks of ponds) are crucial habitats for biodiversity and for delivering multiple benefits to humans, so-called "Nature's Contribution to People", such as climate mitigation and adaptation to climate change, creation, and maintenance of habitat for biodiversity, water purification, flood mitigation and cultural benefits (e.g., recreational possibilities). However, ponds are not often considered as Nature-based Solutions to provide all these benefits. In addition, there is insufficient knowledge on how to manage and restore ponds to maximise their role to increase the resilience of ecosystems and society to climate change. To facilitate improved implementation of ponds as Nature-based Solutions for the delivery of a wide range of Nature Contributions to People, it is important to generate and integrate biodiversity, ecosystems, societal, economic and policy knowledge. Hence, there is a need for evidence-based guidance to support the broader use of ponds. Here, we review the role of ponds and pondscapes in delivering Nature's Contributions to People and provide an overview of the challenges and opportunities for their broader implementation as Nature-based Solutions. Finally, we propose a conceptual framework that can help the implementation of pond Nature-based Solutions, and that outlines future research needs.
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3.
  • Vinuesa, Ricardo, et al. (författare)
  • On minimum aspect ratio for experimental duct flow facilities
  • 2016
  • Ingår i: 2nd WALLTURB Workshop on Understanding and modelling of wall turbulence, 2014. - Cham : Springer. - 9783319203874 ; , s. 201-211
  • Konferensbidrag (refereegranskat)abstract
    • To the surprise of some of our colleagues, we recently recommended aspect ratios of at least 24 (instead of accepted values over last few decades ranging from 5 to 12) to minimize effects of sidewalls in turbulent duct flow experiments, in order to approximate the two-dimensional channel flow. Here we compile avail- able results from hydraulics and civil engineering literature, where this was already documented in the 1980s. This is of great importance due to the large amount of computational studies (mainly Direct Numerical Simulations) for spanwise-periodic turbulent channel flows, and the extreme complexity of constructing a fully developed duct flow facility with aspect ratio of 24 for high Reynolds number with adequate probe resolution. Results from this nontraditional literature for the turbulence com- munity are compared to our recent database of DNS of turbulent duct flows with aspect ratios ranging from 1 to 18 and Reτ,c ≃ 180 and 330, leading to very good agreement between their experimental and our computational results.
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  • Resultat 1-3 av 3

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