| Summary: | Unprecedented melting of the Greenland Ice Sheet (GrIS) is impacting the coastal ocean, and its effects on fjord ecology remain understudied. It has been suggested that as glaciers retreat, primary production regimes may be altered, rendering fjords less productive. Here wepresent data from the paperHoldinget al.(2019). Seasonal and spatial patterns of primary production in a high-latitude fjord affected by Greenland Ice Sheet run-off. Biogeosciences , 16 (19), 3777-3792,/doi.org/10.5194/bg-16-3777-2019. This paper investigatespatterns of primary productivity in a northeast Greenland fjord (Young Sound, 74°N), which receives run-off from the GrIS via land-terminating glaciers.This dataset includes measures ofsize fractioned primary productionand chlorophyll a biomass, as well as CTD data and biochemical parameters. Furthermore, primary production was measured using photosynthesis v. irradiance (PI) curves, thus PI curve parameters are also available. The data were takenduring the ice-free season along a spatial gradient of meltwater influence. We thank Egon Frandsen, Kunuk Lennert, and Ivali Lennert for excellent assistance during fieldwork.ThisresearchhasbeensupportedbytheDanish Environmental Protection Agency’s programme for Arctic research (DANCEA) (grant no. MST-112-0023), The Carlsberg Foundation (grant no. 2013_01_0532), the Norwegian Research Council (Mi- croPolar) (grant no. RCN 225956), and the European Commission, H2020 Research Infrastructures (GrIS-Melt (grant no. 752325) and INTAROS (grant no. 727890)).
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