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dcterms:title "Surface temperature, surface oxygen, water clarity, water chemistry and phytoplankton chlorophyll a data from Esthwaite Water, UK, 2024" ;
dcterms:identifier "https://catalogue.ceh.ac.uk/id/c6bb2aeb-abd2-4a3f-b26f-92f7a33b5a21","https://doi.org/10.5285/c6bb2aeb-abd2-4a3f-b26f-92f7a33b5a21" ;
dcterms:bibliographicCitation "Feuchtmayr, H., Dodd, B.A., Guyatt, H., Hunt, A.G., Le Quesne, K., McShane, G., Moorhouse, H., Rankin, G., Rhodes, G., Thackeray, S.J. (2025). Surface temperature, surface oxygen, water clarity, water chemistry and phytoplankton chlorophyll a data from Esthwaite Water, UK, 2024. NERC EDS Environmental Information Data Centre. https://doi.org/10.5285/c6bb2aeb-abd2-4a3f-b26f-92f7a33b5a21" ;
dcterms:description "This is part of an ongoing long-term monitoring dataset of surface temperature, surface oxygen, water clarity, water chemistry and phytoplankton chlorophyll a from fortnightly sampling at Esthwaite Tarn in Cumbria, England. The data available to download comprise surface temperature (TEMP) in degree Celsius, surface oxygen saturation (OXYG) in % air-saturation, Secchi depth (SECC) in metres, alkalinity (ALKA) in µg per litre as CaCO3 and pH. Total ammoniacal nitrogen (NH4N), total oxidised nitrogen (TON), soluble reactive phosphate (PO4P), total phosphorus (TOTP), dissolved reactive silicon expressed as SiO2 (SIO2) and phytoplankton chlorophyll a (TOCA) are all given in µg per litre. Water samples are based on a sample integrated from 0 to 5 m. Water chemistry values below the detection limit, are indicated by a < sign in the column titled ‘sign(if<LOD)’. All data are from January 2024 until the end of 2024." ;
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rdfs:label "Please note that the data presented here are raw data that have not yet been quality controlled and calibrated. However, data for TEMP, OXYG, SECC, ALKA, pH, PO4P and TOCA has been double entered by different people into excel from field notebooks or laboratory paper record sheets and validated by a database manager. The database manager checked all data visually (line graphs). Missing data are due to weather conditions, equipment limitations, or staff shortage. Measurements are made from a boat at a marked location (buoy) at the deepest part of the lake. When it was not possible to visit the buoy, samples were taken from the shore along with surface temperature and oxygen measurements. Water samples were not integrated on these occasions, marked as Flag 2."
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