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Scientific paper - Original scientific paper
The effect of sampling frequency and spatial and temporal variation in the density of fecal indicator bacteria on the assessment of coastal bathing water quality
Water Research, 264 (2024), 264; 1-12. https://doi.org/10.1016/j.watres.2024.122192
Jozić, Slaven; Cenov, Arijana; Glad, Marin; Peroš-Pucar, Danijela; Kurić, Katarina; Puljak, Tatjana; Ordulj, Marin; Vrdoljak Tomaš, Ana; Baumgartner, Nikolina; Ivanković, Damir; Šolić, Mladen; Grilec, Dolores; Lušić, Darija Vukić

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Jozić, S., Cenov, A., Glad, M., Peroš Pucar, D., Kurić, K., Puljak, T. ... Lušić, D. V. (2024). The effect of sampling frequency and spatial and temporal variation in the density of fecal indicator bacteria on the assessment of coastal bathing water quality. Water Research, 264. (264), 1-12. doi: 10.1016/j.watres.2024.122192

Jozić, Slaven, et al. "The effect of sampling frequency and spatial and temporal variation in the density of fecal indicator bacteria on the assessment of coastal bathing water quality." Water Research, vol. 264, no. 264, 2024, pp. 1-12. https://doi.org/10.1016/j.watres.2024.122192

Jozić, Slaven, Arijana Cenov, Marin Glad, Danijela Peroš Pucar, Katarina Kurić, Tatjana Puljak, Marin Ordulj, et al. "The effect of sampling frequency and spatial and temporal variation in the density of fecal indicator bacteria on the assessment of coastal bathing water quality." Water Research 264, no. 264 (2024): 1-12. https://doi.org/10.1016/j.watres.2024.122192

Jozić, S., et al. (2024) 'The effect of sampling frequency and spatial and temporal variation in the density of fecal indicator bacteria on the assessment of coastal bathing water quality', Water Research, 264(264), pp. 1-12. doi: 10.1016/j.watres.2024.122192

Jozić S, Cenov A, Glad M, Peroš Pucar D, Kurić K, Puljak T, and sur.. The effect of sampling frequency and spatial and temporal variation in the density of fecal indicator bacteria on the assessment of coastal bathing water quality. Water Research [Internet]. 2024 October [cited 2025 April 24];264(264):1-12. doi: 10.1016/j.watres.2024.122192

S. Jozić, et al., "The effect of sampling frequency and spatial and temporal variation in the density of fecal indicator bacteria on the assessment of coastal bathing water quality", Water Research, vol. 264, no. 264, pp. 1-12, October 2024. [Online]. Available at: https://urn.nsk.hr/urn:nbn:hr:226:555013. [Accessed: 24 April 2025]

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Metadata
Title (english)The effect of sampling frequency and spatial and temporal variation in the density of fecal indicator bacteria on the assessment of coastal bathing water quality
AuthorSlaven Jozić
AuthorArijana Cenov
AuthorMarin Glad
AuthorDanijela Peroš-Pucar
AuthorKatarina Kurić
AuthorTatjana Puljak
AuthorMarin Ordulj
AuthorAna Vrdoljak Tomaš
AuthorNikolina Baumgartner
AuthorDamir Ivanković
AuthorMladen Šolić
AuthorDolores Grilec
AuthorDarija Vukić Lušić
Author's institutionInstitute of Oceanography and Fisheries
Author's institutionUniversity of Rijeka
Faculty of Medicine
Author's institutionUniversity of Split
(University Department of Marine Studies)
Scientific / art field,
discipline and subdiscipline		NATURAL SCIENCES
Biology
Microbiology
Abstract (english)
The time and location of sampling as well as the number of samples per season can influence a reliable assessment of bathing water quality. In this study, we investigated the spatio-temporal variation of fecal indicator bacteria (FIB) density and the effects of FIB variability and sampling frequency on the assessment of a single sample and the annual and final assessment of coastal bathing water quality. Increasing the number of samples from 10 to 20 per bathing season had a significant impact on bathing water quality assessment at sites where water quality fluctuations had previously been observed, resulting in a change in water quality to a lower category in 36 % of annual and 54 % of final assessments, suggesting that the minimum number of samples per season should be increased at such sites. Increasing the number of samples at sites assessed as excellent over a longer period had no impact on water quality assessment. Spatial and temporal variations in FIB density were significant at a considerable number of sites both in the single sample assessment and in the annual and final assessment. Bathing water quality was spatially unrepresentative at a quarter of the sites analyzed and temporally unrepresentative at a fifth, as there was at least one additional point with a lower bathing water quality than the official sampling point or the bathing water quality was lower in the afternoon than in the morning. When revising the current recreational water quality regulations, the impact of sampling frequency of and of spatio-temporal variation of FIB density on the relevance of bathing water quality assessment at sites subjected to pollution needs to be seriously considered.
Keywords (english)
Languageenglish
Publication typeScientific paper - Original scientific paper
Publication statusPublished
Peer reviewPeer review - international
Publication versionPublished version
Journal titleWater Research
Numberingvol. 264, no. 264, pp. 1-12, 122192
p-ISSN0043-1354
DOIhttps://doi.org/10.1016/j.watres.2024.122192
URN:NBNurn:nbn:hr:226:555013
Publication2024-10
ProjectNumber: IP-2020-02-1880
Title (croatian): Ususret novoj direktivi Europske unije o upravljanju kvalitetom vode za kupanje
Title (english): Towards the New European Union Bathing Water Directive
Acronym: EUROBATH
Leader: Slaven Jozić
Jurisdiction: Croatia
Funding stream: Research Projects
Document URLhttps://linkinghub.elsevier.com/retrieve/pii/S0043135424010911
Type of resourceText
Access conditionsOpen access
Terms of useLicence In copyright icon
Created on2025-02-14 14:06:22