How Will Changes in Freshwater Inflow (Frequency versus Magnitude) Impact the Ecosystem Health of Galveston Bay?

dc.acquisition-srcen_US
dc.call-noen_US
dc.contract-noen_US
dc.contributor.authorThronson, AMen_US
dc.contributor.authorHsiu-Ping, Len_US
dc.contributor.authorDavis, SEen_US
dc.contributor.authorRoelke, DLen_US
dc.contributor.authorQuigg, ASen_US
dc.contributor.other2008 Ocean Sciences Meeting: From the Watershed to the Global Ocean, Orlando, FL (USA), 2-7 Mar 2008en_US
dc.date.accessioned2010-02-15T16:46:27Z
dc.date.available2010-02-15T16:46:27Z
dc.date.issued2008en_US
dc.degreeen_US
dc.description[np]en_US
dc.description-otheren_US
dc.description.abstractWith a rapidly expanding urban population in Texas coastal municipalities, water regulators and managers are faced with the challenge of meeting human needs, potentially by freshwater diversions, while maintaining critical freshwater inflows to estuaries to preserve their overall health. We used a flow-through boat-mounted Dataflow unit and a PHYTO-PAM (Phytoplankton Pulse Amplitude Modulated fluorometer) to map various water quality parameters and primary productivity respectively across Galveston Bay throughout 2006. Tightly gridded transects took two days to complete. An integrated GPS allowed us to reference all measurements for each variable. Discrete water samples were collected for nutrient analysis and light/dark bottle primary productivity measurements. We found complex relationships between the freshwater inflow (frequency, magnitude), water quality (temperature, salinity, dissolved organic matter, chlorophyll, nutrients) and phytoplankton responses (productivity, community structure). Spatial and temporal patterns were deconvoluted with seasonality and the magnitude of a freshwater inflow event being the two principal driving factors regulating primary productivity. Understanding these relationships will provide scientists and regulators with information to assess estuary health in Galveston Bay as well as other estuaries along the Texas coast.en_US
dc.description.urihttp://gbic.tamug.edu/request.htmen_US
dc.geo-codeGalveston Bayen_US
dc.history1-16-09 kswen_US
dc.identifier.urihttp://hdl.handle.net/1969.3/18571
dc.latitudeen_US
dc.locationNot available in house - Please contact GBIC for assistanceen_US
dc.longitudeen_US
dc.notesen_US
dc.placeWashington, DCen_US
dc.publisherAmerican Geophysical Unionen_US
dc.relation.ispartofseries10090.00en_US
dc.relation.urien_US
dc.scaleen_US
dc.seriesen_US
dc.subjectchlorophyllen_US
dc.subjectdissolved organic matteren_US
dc.subjectfreshwater inflowen_US
dc.subjectnutrientsen_US
dc.subjectwater qualityen_US
dc.titleHow Will Changes in Freshwater Inflow (Frequency versus Magnitude) Impact the Ecosystem Health of Galveston Bay?en_US
dc.typeCONFen_US
dc.universityen_US
dc.vol-issueen_US

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