This SRN dataset includes long-term time series on marine phytoplankton and physico-chemical measures, since 1992, along the eastern English Channel coast. More precisely, samples were collected along transects offshore Dunkerque, Boulogne-sur-Mer and the bay of Somme. Data are complementary to REPHY and REPHYTOX datasets. Phytoplankton data essentially cover microscopic taxonomic identifications and counts, but also pigments measures (Chlorophyll-a and pheopigment). Physico-chemical measures include temperature, salinity, turbidity, suspended matters (organic, mineral), dissolved oxygen, dissolved inorganic nutrients (ammonium, nitrite+nitrate, phosphate, silicate).
||Data are published without any warranty, express or implied. The user assumes all risk arising from his/her use of data. Data are intended to be research-quality and include estimates of data quality and accuracy, but it is possible that these estimates or the data themselves contain errors. It is the sole responsibility of the user to assess if the data are appropriate for his/her use, and to interpret the data, data quality, and data accuracy accordingly. Authors welcome users to ask questions and report problems.
||The acquisition of this dataset was performed in the framework of the SRN network, created and implemented by Ifremer and the Artois Picardie Water Agency in 1992. The people cited in the contributors include only present regional coordinators of the SRN, key analysts and experts in phytoplankton observations, key analysts in physico-chemical measurements, those who contributed to structuring SRN data in the Quadrige database, and individuals who contributed to the data through their personal expertise. Other contributors such as the REPHY and REPHYTOX teams, crew members, students and PhD who have contributed to valorization of the SRN data are also gratefully acknowledged.