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Seasonal Offshore and Monthly Onshore Water Sampling for EMODnet Chemistry Analysis

This study focuses on the seasonal monitoring (spring and autumn) at 17 offshore stations, coupled with monthly onshore sampling, as part of EMODnet Chemistry. Water samples are analyzed for key parameters including pigments, nutrients, and suspended particulate matter (SPM). Utilizing specific filtration techniques, samples are sent to specialized laboratories for analysis. The project highlights future paths for additional measurements on pigments, heavy metals, and fertilizers while addressing challenges such as parameter selection guidelines for diverse users.

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Seasonal Offshore and Monthly Onshore Water Sampling for EMODnet Chemistry Analysis

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  1. EMODnet Chemistry 17 Stations 8 offshore monitored seasonally (2x/year – Spring & Autumn) 9 onshore monitored monthly

  2. Collecting water samples EMODnet Chemistry Current Status Parameters in seawater

  3. EMODnet Chemistry Current Status • Pigments: Filter 500-2500 ml seawater with GF Watmann filter 47mm (sent to Ugent-PAE for analyses) • Nutrients: Filter about 500ml seawater with 0.2 um cellulose-acetate filter for residual water for nutrient analysis (sent to Southampton, National Oceanography Centre) • SPM: One liter unfiltered seawater collected.

  4. Collecting water samples EMODnet Chemistry Next steps Parameters in seawater

  5. EMODnet Chemistry Future steps • Additional parameters measured since 2012 • Additional pigment data? Useful? • Data archeology project • Heavy metals • Additional fertilizers

  6. EMODnet Chemistry Difficulties • No Guidelines for choosing parameters? • Different users may choose • Different parameters

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