Modeling the Effects of Turbulence on Hyporheic Exchange and Local-to-Global Nutrient Processing in Streams

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dc.contributor.authorGrant, Stanley B.en
dc.contributor.authorGomez-Velez, Jesus D.en
dc.contributor.authorGhisalberti, Marcoen
dc.contributor.departmentCivil and Environmental Engineeringen
dc.date.accessioned2019-09-17T13:30:24Zen
dc.date.available2019-09-17T13:30:24Zen
dc.date.issued2018-09en
dc.description.abstractNew experimental techniques are allowing, for the first time, direct visualization of mass and momentum transport across the sediment-water interface in streams. These experimental insights are catalyzing a renaissance in our understanding of the role stream turbulence plays in a host of critical ecosystem services, including nutrient cycling. In this commentary, we briefly review the nature of stream turbulence and its role in hyporheic exchange and nutrient cycling in streams. A simple process-based model, borrowed from biochemical engineering, provides the link between empirical relationships for grain-scale turbulent mixing and nutrient processing at reach, catchment, continental, and global scales.en
dc.description.notesThe authors declare no conflicts of interest. All data included in Figure 2 are available in the references provided. S. B. G. was supported by the U.S. NSF Partnerships for International Research and Education (OISE-1243543) and the UC Office of the President Multi-campus Research Program Initiative award (MRP-17-455083). JGV was supported by the USGS River Corridor Powell Center and the U.S. Department of Energy (DOE), Office of Biological and Environmental Research (BER), as part of BER's Subsurface Biogeochemistry Research Program (SBR). This contribution originates from the SBR Scientific Focus Area (SFA) at the Pacific Northwest National Laboratory (PNNL). M. G. was funded by the Australian Research Council's Discovery Projects funding scheme (DP120102500). The authors thank K. Roche for his insightful comments and edits on this manuscript.en
dc.description.sponsorshipU.S. NSF Partnerships for International Research and Education [OISE-1243543]; UC Office of the President Multi-campus Research Program Initiative award [MRP-17-455083]; USGS River Corridor Powell Center; U.S. Department of Energy (DOE), Office of Biological and Environmental Research (BER), as part of BER's Subsurface Biogeochemistry Research Program (SBR); Australian Research Council [DP120102500]en
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1029/2018WR023078en
dc.identifier.eissn1944-7973en
dc.identifier.issn0043-1397en
dc.identifier.issue9en
dc.identifier.urihttp://hdl.handle.net/10919/93730en
dc.identifier.volume54en
dc.language.isoenen
dc.rightsCreative Commons Attribution-NonCommercial-NoDerivatives 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/en
dc.subjectstreamsen
dc.subjectTurbulenceen
dc.subjectnutrientsen
dc.subjecthyporheicen
dc.subjectbiogeochemistryen
dc.subjectsedimenten
dc.titleModeling the Effects of Turbulence on Hyporheic Exchange and Local-to-Global Nutrient Processing in Streamsen
dc.title.serialWater Resources Researchen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.dcmitypeStillImageen

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