Fig. 1From: Impact of seasonal climate change on optical and molecular properties of river water dissolved organic matter by HPLC-SEC and UV-vis spectroscopyExample of Pirita River water HPLC-SEC-DAD chromatograms: a detection at 210, 254 and 280 nm, sample from January 10, 2014; b contour plot, sample from May 19, 2014; and c chromatogram of sample (b) at 210 nm with separated DOM fractions and respective absorbance spectraBack to article page