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dc.contributor.authorHamdhani, H.
dc.contributor.authorEppehimer, D.E.
dc.contributor.authorWalker, D.
dc.contributor.authorBogan, M.T.
dc.date.accessioned2021-07-22T00:47:58Z
dc.date.available2021-07-22T00:47:58Z
dc.date.issued2021
dc.identifier.citationHamdhani, H., Eppehimer, D. E., Walker, D., & Bogan, M. T. (2021). Performance of a handheld chlorophyll-a fluorometer: Potential use for rapid algae monitoring. Water (Switzerland), 13(10).
dc.identifier.issn2073-4441
dc.identifier.doi10.3390/w13101409
dc.identifier.urihttp://hdl.handle.net/10150/660968
dc.description.abstractChlorophyll-a measurements are an important factor in the water quality monitoring of surface waters, especially for determining the trophic status and ecosystem management. However, a collection of field samples for extractive analysis in a laboratory may not fully represent the field conditions. Handheld fluorometers that can measure chlorophyll-a in situ are available, but their performance in waters with a variety of potential light-interfering substances has not yet been tested. We tested a handheld fluorometer for sensitivity to ambient light and turbidity and compared these findings with EPA Method 445.0 using water samples obtained from two urban lakes in Tucson, Arizona, USA. Our results suggested that the probe was not sensitive to ambient light and performed well at low chlorophyll-a concentrations (<25 µg/L) across a range of turbidity levels (50–70 NTU). However, the performance was lower when the chlorophyll-a concentrations were >25 µg/L and turbidity levels were <50 NTU. To account for this discrepancy, we developed a calibration equation to use for this handheld fluorometer when field monitoring for potential harmful algal blooms in water bodies. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.
dc.language.isoen
dc.publisherMDPI AG
dc.rightsCopyright © 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectBiomonitoring
dc.subjectEcosystem management
dc.subjectFreshwater
dc.subjectTurbidity
dc.subjectWater quality
dc.titlePerformance of a handheld chlorophyll-a fluorometer: Potential use for rapid algae monitoring
dc.typeArticle
dc.typetext
dc.contributor.departmentSchool of Natural Resources and the Environment, University of Arizona
dc.contributor.departmentSchool of Natural Resources and the Environment, University of Arizona
dc.contributor.departmentDepartment of Environmental Science, University of Arizona
dc.identifier.journalWater (Switzerland)
dc.description.noteOpen access journal
dc.description.collectioninformationThis item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
dc.eprint.versionFinal published version
dc.source.journaltitleWater (Switzerland)
refterms.dateFOA2021-07-22T00:47:58Z


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Copyright © 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Except where otherwise noted, this item's license is described as Copyright © 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).