Glider and remote sensing observations of the upper ocean response to an extended shallow coastal diversion of wastewater effluent

Handle URI:
http://hdl.handle.net/10754/614884
Title:
Glider and remote sensing observations of the upper ocean response to an extended shallow coastal diversion of wastewater effluent
Authors:
Seegers, Bridget N.; Teel, Elizabeth N.; Kudela, Raphael M.; Caron, David A.; Jones, Burton ( 0000-0002-9599-1593 )
Abstract:
The Orange County Sanitation District (OCSD) diverted wastewater discharge (5.3 × 108 l d−1) from its primary deep (56 m) outfall 8 km offshore, to a secondary shallower (16 m) outfall 1.6 km offshore for a period of three weeks. It was anticipated that the low salinity and density of the effluent would cause it to rise to the surface with limited dilution, elevating nutrient concentrations in near-surface waters and stimulating phytoplankton blooms in the region. Three Teledyne Webb Slocum gliders and a Liquid Robotics surface wave glider were deployed on transects near the outfalls to acquire high spatial and temporal coverage of physical and chemical parameters before, during, and after the wastewater diversion. Combined autonomous underwater vehicle (AUV) and MODIS-Aqua satellite ocean color data indicated that phytoplankton biomass increased in the upper water column in response to the diversion, but that the magnitude of the response was spatially patchy and significantly less than expected. Little evidence of the plume or its effects was detectable 72 h following the diversion. The effluent plume exhibited high rates of dilution and mixed throughout the upper 20 m and occasionally throughout the upper 40 m during the diversion. Rapid plume advection and dilution appeared to contribute to the muted impact of the nutrient-rich effluent on the phytoplankton community in this coastal ecosystem.
KAUST Department:
Marine Science Program; Biological and Environmental Sciences and Engineering (BESE) Division
Citation:
Glider and remote sensing observations of the upper ocean response to an extended shallow coastal diversion of wastewater effluent 2016 Estuarine, Coastal and Shelf Science
Publisher:
Elsevier BV
Journal:
Estuarine, Coastal and Shelf Science
Issue Date:
21-Jun-2016
DOI:
10.1016/j.ecss.2016.06.019
Type:
Article
ISSN:
02727714
Sponsors:
Matthew Ragan, Xiao Liu, Carl Oberg, Dario Diehl, Kendra Hayashi Negrey, Christopher Wahl, and Evan Randall-Goodwin were integral members of the glider team during the diversion. Arvind Pereira assisted with computer programming, glider operations, and data processing. Nick Rollins and Mattias Cape assisted with Matlab coding. Captain Ray Arntz and Captain Kyaa Heller of the SunDiver assisted with glider deployments. We also thank the staff members of the Wrigley Marine Science Center, especially Lauren Czarnecki, Kellie Spafford, Captain Trevor Oudin, and Captain Gordon Boivin, for their consistent support throughout the diversion glider effort. This research was supported by National Oceanic and Atmospheric Administration grants NA11NOS4780052, NA11NOS4780030, and NA08OAR4320894, National Science Foundation through RAPID award OCE1251573, Orange County Sanitation District research funds, the University of Southern California Provost Fellowship and Gold Family Graduate Fellowship, and King Abdullah University of Science and Technology. This is NOAA ECOHAB publication number 823.
Additional Links:
http://linkinghub.elsevier.com/retrieve/pii/S0272771416301937
Appears in Collections:
Articles

Full metadata record

DC FieldValue Language
dc.contributor.authorSeegers, Bridget N.en
dc.contributor.authorTeel, Elizabeth N.en
dc.contributor.authorKudela, Raphael M.en
dc.contributor.authorCaron, David A.en
dc.contributor.authorJones, Burtonen
dc.date.accessioned2016-06-28T11:20:15Z-
dc.date.available2016-06-28T11:20:15Z-
dc.date.issued2016-06-21-
dc.identifier.citationGlider and remote sensing observations of the upper ocean response to an extended shallow coastal diversion of wastewater effluent 2016 Estuarine, Coastal and Shelf Scienceen
dc.identifier.issn02727714-
dc.identifier.doi10.1016/j.ecss.2016.06.019-
dc.identifier.urihttp://hdl.handle.net/10754/614884-
dc.description.abstractThe Orange County Sanitation District (OCSD) diverted wastewater discharge (5.3 × 108 l d−1) from its primary deep (56 m) outfall 8 km offshore, to a secondary shallower (16 m) outfall 1.6 km offshore for a period of three weeks. It was anticipated that the low salinity and density of the effluent would cause it to rise to the surface with limited dilution, elevating nutrient concentrations in near-surface waters and stimulating phytoplankton blooms in the region. Three Teledyne Webb Slocum gliders and a Liquid Robotics surface wave glider were deployed on transects near the outfalls to acquire high spatial and temporal coverage of physical and chemical parameters before, during, and after the wastewater diversion. Combined autonomous underwater vehicle (AUV) and MODIS-Aqua satellite ocean color data indicated that phytoplankton biomass increased in the upper water column in response to the diversion, but that the magnitude of the response was spatially patchy and significantly less than expected. Little evidence of the plume or its effects was detectable 72 h following the diversion. The effluent plume exhibited high rates of dilution and mixed throughout the upper 20 m and occasionally throughout the upper 40 m during the diversion. Rapid plume advection and dilution appeared to contribute to the muted impact of the nutrient-rich effluent on the phytoplankton community in this coastal ecosystem.en
dc.description.sponsorshipMatthew Ragan, Xiao Liu, Carl Oberg, Dario Diehl, Kendra Hayashi Negrey, Christopher Wahl, and Evan Randall-Goodwin were integral members of the glider team during the diversion. Arvind Pereira assisted with computer programming, glider operations, and data processing. Nick Rollins and Mattias Cape assisted with Matlab coding. Captain Ray Arntz and Captain Kyaa Heller of the SunDiver assisted with glider deployments. We also thank the staff members of the Wrigley Marine Science Center, especially Lauren Czarnecki, Kellie Spafford, Captain Trevor Oudin, and Captain Gordon Boivin, for their consistent support throughout the diversion glider effort. This research was supported by National Oceanic and Atmospheric Administration grants NA11NOS4780052, NA11NOS4780030, and NA08OAR4320894, National Science Foundation through RAPID award OCE1251573, Orange County Sanitation District research funds, the University of Southern California Provost Fellowship and Gold Family Graduate Fellowship, and King Abdullah University of Science and Technology. This is NOAA ECOHAB publication number 823.en
dc.language.isoenen
dc.publisherElsevier BVen
dc.relation.urlhttp://linkinghub.elsevier.com/retrieve/pii/S0272771416301937en
dc.rightsNOTICE: this is the author’s version of a work that was accepted for publication in Estuarine, Coastal and Shelf Science. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Estuarine, Coastal and Shelf Science, 21 June 2016. DOI: 10.1016/j.ecss.2016.06.019en
dc.subjectPhytoplanktonen
dc.subjectWaste-water treatmenten
dc.subjectSewageen
dc.subjectOutfallsen
dc.subjectAUVsen
dc.subjectSouthern California Bighten
dc.titleGlider and remote sensing observations of the upper ocean response to an extended shallow coastal diversion of wastewater effluenten
dc.typeArticleen
dc.contributor.departmentMarine Science Programen
dc.contributor.departmentBiological and Environmental Sciences and Engineering (BESE) Divisionen
dc.identifier.journalEstuarine, Coastal and Shelf Scienceen
dc.eprint.versionPost-printen
dc.contributor.institutionDepartment of Biological Sciences, University of Southern California, 3616 Trousdale Parkway, AHF 301, Los Angeles, CA 90089-0371, USAen
dc.contributor.institutionOcean Sciences and Institute for Marine Sciences, University of California, Santa Cruz, 1156 High Street, Santa Cruz, CA 95064, USAen
dc.contributor.affiliationKing Abdullah University of Science and Technology (KAUST)en
kaust.authorJones, Burtonen
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