Fig. 3From: Impact of seasonal climate change on optical and molecular properties of river water dissolved organic matter by HPLC-SEC and UV-vis spectroscopyChromatographic parameters A TOT210, A TOT254, A TOT280 and A PL210, for years 2013 (a) and 2014 (b). The ratio A TOT254/A PL210 changes with the trend lines (c). Vertical bars indicate standard errorBack to article page