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Chlorophyll a measured monthly or bi-weekly in the Zeeschelde at 16 stations
Citable as data publication
Maris, T.; Meire, P.; ECOBE - Uantwerpen; De Vlaamse Waterweg; Belgium; (2021); Chlorophyll a measured monthly or bi-weekly in the Zeeschelde at 16 stations. https://doi.org/10.14284/449
Contact:
Maris, Tom Availability:
 This dataset is licensed under a Creative Commons Attribution 4.0 International License.Description
Chlorophyll a measured monthly or bi-weekly in the Zeeschelde at 16 stations, independently of the tidal phase and spring/neap cycle. more
Bucket samples at the water surface were taken once or twice a month at each station to estimate the chlorophyll a concentration. To determine the chlorophyll a concentration (in the presence of pheophytin pigments), we followed the spectrophotometric method described in Rice et al. (2017) using 50 ml water samples, a 1-cm pathway cuvette, and a Shimadzu UV-1700 spectrophotometer. We corrected for pheophytin pigment by replacing the '11.85(OD664)' term in Rice et al. (2017) with the product of the 26.7 absorbance correctio n factor and the corresponding subtraction of the optical densities OD664 and OD665 before and after acidification, respectively. Scope Themes: Biology > Pigments (e.g. chlorophyll) Keywords: Marine/Coastal, Fresh water, Brackish water, Chlorophyll a, Belgium, Zeeschelde Geographical coverage Belgium, Zeeschelde [Marine Regions] Temporal coverage
19 January 2015 - 10 December 2019 Monthly Parameter
Chlorophyll a Methodology
Chlorophyll a: Spectrophotometry (Rice et al. (2017)) To estimate the chlorophyll a concentration, we used the spectrophotometric method described in Rice et al. (2017) that corrects for turbidity, chlorophyll b, chlorophyll c, and pheophytin pigments. We used 50 ml water samples, a 1-cm pathway cuvette, and a Shimadzu UV-1700 spectrophotometer. We corrected for pheophytin pigment by replacing the '11.85(OD664)' term in Rice et al. (2017) with the product of the 26.7 absorbance correction factor and the corresponding subtraction of the optical dens Contributors
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Dataset status: In Progress
Data type: Data
Data origin: Monitoring: field survey
Metadatarecord created: 2020-03-30
Information last updated: 2021-02-18
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