Fluorescense measurements of surface microlayer samples from the southern North Sea, June 2016

Samples from surface microlayer (SML) and undelying water (ULW) were collected in selected stations in the Southern of the North Sea. Samples were stored in cool container (< 10°C via freezer packs) and transported to the lab in the same day. Excitation Emission matrix (EEM) measurements were perfomed with a Perkin Elmer Fluorometer L55.
Excitation wavelength was fixed in a spectral range of 200 nm to 400 nm, with steps of 5 nm. EEMs were recorded over a wavelength range of 220 nm to 600 nm, with 5-nm steps.