Nutrient data (nitrate, phosphate and silicate) in the eastern Weddell gyre, Kong Haakon VII Hav, and the coast of Dronning Maud Land in the Atlantic sector of the Southern Ocean in March 2019 ...

• Main Author: Chierici, Melissa
• Format: Dataset
• Language: unknown
• Published: Institute of Marine Research 2020
• Subjects: Bergen; Dronning Maud Land; Maud Rise; Norway; Southern Ocean; Weddell; Kong Haakon VII Hav
• Online Access: https://dx.doi.org/10.21335/nmdc-1503664923; http://metadata.nmdc.no/metadata-api/landingpage/ebf46b062d1adb96a60c89217945bd58

Dissolved inorganic nutrients (nitrate, phosphate and silicate) were collected from full water column at a total of 38 stations in the Eastern Weddell Gyre, encompassing the coast of Dronning Maud Land, Kong Haakon VII Hav, and Maud Rise. The sampling took place between 12th of March and 31st March in 2019 onboard RV Kronprins Haakon, with cruise number 2019702. The seawater samples were collected in the water column from a CTD-Rosette system (24-Niskin bottle), and the sample bottles were rinsed three times. The samples were preserved with 250 µL chloroform and stored cold and dark until post-cruise analysis of nitrite, NO2, nitrate, NO3-, phosphate, PO43-, and silicate, Si(OH)4, following standard methods (Grasshoff et al., 2009) at the chemical laboratory at Institute of Marine Research, Bergen, Norway. The chemical laboratory performs regular QUASIMEME intercomparison of nutrients and are accredited according to NS-EN ISO/IEC 17025. Three replicates were analyzed for each sample. The detection limits are ...