Chlorella vulgaris measurements using full-spectrum goniometer for optically complex inland water monitoring

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dc.contributor.authorGurbuzer, Pinar
dc.contributor.authorLeloglu, Ugur Murat
dc.date.accessioned2026-04-25T14:20:34Z
dc.date.available2026-04-25T14:20:34Z
dc.date.issued2026
dc.departmentSinop Üniversitesi
dc.description.abstractRising environmental stressors, including climate change, nutrient loading, pollution, and anthropogenic impacts, have made the continuous monitoring of lake water quality increasingly essential. While in situ methods offer high precision, satellite-based remote sensing is essential for capturing large-scale, long-term changes and accessing remote or extreme environments. To complement these approaches, we developed a cost-effective in situ optical measurement system specifically designed for optically complex inland waters. The instrument enables detailed optical characterization across scattering angles from 0 degrees to 160 degrees and wavelengths between 423 and 728 nm, covering both visible and near-infrared regions. Initial validation was performed using monocultures of Chlorella vulgaris, a well-established model organism for chlorophyll-a optical studies. As a result of laboratory measurements of C. vulgaris monocultures using a spectral goniometer, forward and backward scattering profiles, polarization characteristics, three-dimensional patterns, volume scattering functions, and radiant intensities at 90 degrees across Sentinel-3 OLCI bands toward density changes were modeled. The results confirmed Mie scattering dominance in line with the theoretical expectations. Overall, the developed full-spectrum goniometer can serve as a reliable and practical tool for in situ optical monitoring.
dc.description.sponsorshipScientific and Technological Research Council of Turkiye (TUBIdot;TAK) [123C130]
dc.description.sponsorshipThis study was supported by The Scientific and Technological Research Council of Turkiye (TUB & Idot;TAK) with project number 123C130. The authors also thank Dr. Fatih Mang & imath;t and Umut & Idot;plikci for providing the microalgal culture.
dc.identifier.doi10.55730/1300-0179.3254
dc.identifier.issn1300-0179
dc.identifier.issn1303-6114
dc.identifier.issue2
dc.identifier.scopus2-s2.0-105033093902
dc.identifier.scopusqualityQ2
dc.identifier.trdizinid1393427
dc.identifier.urihttps://doi.org/10.55730/1300-0179.3254
dc.identifier.urihttps://search.trdizin.gov.tr/tr/yayin/detay/1393427
dc.identifier.urihttps://hdl.handle.net/11486/8636
dc.identifier.volume50
dc.identifier.wosWOS:001704468700004
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakTR-Dizin
dc.language.isoen
dc.publisherTubitak Scientific & Technological Research Council Turkey
dc.relation.ispartofTurkish Journal of Zoology
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WOS_20260420
dc.subjectOptical properties
dc.subjectlight scattering
dc.subjectphytoplankton
dc.subjectphase function
dc.subjectremote sensing
dc.titleChlorella vulgaris measurements using full-spectrum goniometer for optically complex inland water monitoring
dc.typeArticle

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