| Summary: | Greenland fjordsare currently undergoing large ecosystem changes due to unprecedented melting of the Greenland Ice Sheet (GrIS).The rapidly increasing discharge of meltwater and icenot only influences circulation patterns and stratification of the water column, but it also introduces large fluxes of allochthonous carbon and nutrients into the Greenland coastal environment, as well as transports large quantities of inorganic particles and suspended sediments which could limit light availability to primary producers. However,data is still limited for mostGreenlandfjord systemsand the east coast of Greenland is especially understudied. During this cruise we investigated 3 different fjord systems of East Greenland in August 2018aboard theHDMS Lauge Koch. Weaimed to describe the physical, chemical and biological variability from glaciers to the shelf. This data set consists of84CTD profiles that were obtained with a SeabirdSBE25conductivity, temperature, depth(CTD) instrument. In addition to measuring pressure, conductivity, and temperature, the CTD recorded chlorophyll-a fluorescence, photosynthetically available radiation (PAR), dissolved oxygen, turbidity and pH. The instrument was factory calibrated before the cruise. The CTD recorded variables at16Hz and the raw data were processed using Seabird standard workflow to produce 0.1m binned profiles using the downcast data only. This dataset compiles all CTD variables measured from all profiles into a singlecomma separated CSVfile. We would like to thank the captain and crew ofHDMS Lauge Kochfor excellent collaboration. The cruise was funded by the Danish Center for Marine Research and by the EU Horizon2020 funded project INTAROS(grant no. 727890)and the Danish Cooperation for Environment in the Arctic.
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